[440] | 1 | #include "ViewCellsManager.h"
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| 2 | #include "RenderSimulator.h"
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| 3 | #include "Mesh.h"
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| 4 | #include "Triangle3.h"
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| 5 | #include "ViewCell.h"
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| 6 | #include "Environment.h"
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| 7 | #include "X3dParser.h"
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| 8 | #include "ViewCellBsp.h"
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| 9 | #include "KdTree.h"
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| 10 | #include "VspKdTree.h"
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| 11 | #include "Exporter.h"
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[442] | 12 | #include "VspBspTree.h"
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[508] | 13 | #include "ViewCellsParser.h"
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[532] | 14 | #include "Beam.h"
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[540] | 15 | #include "VssPreprocessor.h"
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| 16 | #include "RssPreprocessor.h"
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[440] | 17 |
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[643] | 18 | #define SAMPLE_AFTER_SUBDIVISION 0
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[517] | 19 |
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[532] | 20 |
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[440] | 21 | ViewCellsManager::ViewCellsManager():
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[480] | 22 | mRenderer(NULL),
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[574] | 23 | mInitialSamples(0),
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[440] | 24 | mConstructionSamples(0),
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| 25 | mPostProcessSamples(0),
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[470] | 26 | mVisualizationSamples(0),
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| 27 | mTotalAreaValid(false),
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[517] | 28 | mTotalArea(0.0f),
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[547] | 29 | mViewCellsFinished(false),
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[562] | 30 | mMaxPvsSize(9999999),
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[564] | 31 | mMinPvsSize(0), // one means only empty view cells are invalid
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[561] | 32 | mMaxPvsRatio(1.0)
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[440] | 33 | {
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[542] | 34 | mViewSpaceBox.Initialize();
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[482] | 35 | ParseEnvironment();
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[580] | 36 |
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| 37 | mViewCellsTree = new ViewCellsTree(this);
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[440] | 38 | }
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| 39 |
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[517] | 40 |
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[482] | 41 | void ViewCellsManager::ParseEnvironment()
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| 42 | {
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[503] | 43 | // visualization stuff
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[485] | 44 | environment->GetBoolValue("ViewCells.Visualization.exportRays", mExportRays);
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| 45 | environment->GetBoolValue("ViewCells.Visualization.exportGeometry", mExportGeometry);
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[547] | 46 | environment->GetFloatValue("ViewCells.maxPvsRatio", mMaxPvsRatio);
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[664] | 47 |
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[564] | 48 | bool emptyViewCells = false;
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| 49 | environment->GetBoolValue("ViewCells.pruneEmptyViewCells", emptyViewCells);
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[664] | 50 | mMinPvsSize = emptyViewCells ? 1 : 0;
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| 51 |
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[564] | 52 | environment->GetBoolValue("ViewCells.processOnlyValidViewCells", mOnlyValidViewCells);
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[485] | 53 |
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[574] | 54 | environment->GetIntValue("ViewCells.Construction.samples", mConstructionSamples);
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| 55 | environment->GetIntValue("ViewCells.PostProcess.samples", mPostProcessSamples);
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[595] | 56 | environment->GetBoolValue("ViewCells.PostProcess.useRaysForMerge", mUseRaysForMerge);
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| 57 |
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[574] | 58 | environment->GetIntValue("ViewCells.Visualization.samples", mVisualizationSamples);
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| 59 |
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| 60 | environment->GetIntValue("ViewCells.Construction.samplesPerPass", mSamplesPerPass);
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[577] | 61 | environment->GetBoolValue("ViewCells.exportToFile", mExportViewCells);
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[581] | 62 |
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[600] | 63 | environment->GetIntValue("ViewCells.active", mNumActiveViewCells);
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[586] | 64 | environment->GetBoolValue("ViewCells.PostProcess.compress", mCompressViewCells);
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[660] | 65 | environment->GetBoolValue("ViewCells.Visualization.useClipPlane", mUseClipPlaneForViz);
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[591] | 66 | environment->GetBoolValue("ViewCells.PostProcess.merge", mMergeViewCells);
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[664] | 67 | environment->GetBoolValue("ViewCells.evaluateViewCells", mEvaluateViewCells);
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[666] | 68 | environment->GetBoolValue("ViewCells.showVisualization", mShowVisualization);
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| 69 |
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[664] | 70 | char buf[100];
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| 71 | environment->GetStringValue("ViewCells.samplingType", buf);
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| 72 |
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[660] | 73 |
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[664] | 74 | if (strcmp(buf, "box") == 0)
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[660] | 75 | mSamplingType = Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
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[664] | 76 | else if (strcmp(buf, "directional") == 0)
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[660] | 77 | mSamplingType = Preprocessor::DIRECTION_BASED_DISTRIBUTION;
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[666] | 78 | else
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| 79 | {
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| 80 | Debug << "error! wrong sampling type" << endl;
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| 81 | exit(0);
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| 82 | }
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[660] | 83 |
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[482] | 84 | environment->GetStringValue("ViewCells.Visualization.colorCode", buf);
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[503] | 85 |
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[482] | 86 | if (strcmp(buf, "PVS") == 0)
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| 87 | mColorCode = 1;
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| 88 | else if (strcmp(buf, "MergedLeaves") == 0)
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| 89 | mColorCode = 2;
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| 90 | else if (strcmp(buf, "MergedTreeDiff") == 0)
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| 91 | mColorCode = 3;
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| 92 | else
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| 93 | mColorCode = 0;
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| 94 |
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[664] | 95 |
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| 96 | Debug << "***********View Cells options ****************" << endl;
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| 97 | Debug << "color code: " << mColorCode << endl;
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| 98 |
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| 99 | Debug << "export rays: " << mExportRays << endl;
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| 100 | Debug << "export geometry: " << mExportGeometry << endl;
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| 101 | Debug << "max pvs ratio: " << mMaxPvsRatio << endl;
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| 102 |
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| 103 | Debug << "prune empty view cells: " << emptyViewCells << endl;
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| 104 |
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| 105 | Debug << "process only valid view cells: " << mOnlyValidViewCells << endl;
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| 106 | Debug << "construction samples: " << mConstructionSamples << endl;
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| 107 | Debug << "post process samples: " << mPostProcessSamples << endl;
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| 108 | Debug << "post process use rays for merge: " << mUseRaysForMerge << endl;
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| 109 | Debug << "visualization samples: " << mVisualizationSamples << endl;
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| 110 | Debug << "construction samples per pass: " << mSamplesPerPass << endl;
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| 111 | Debug << "export to file: " << mExportViewCells << endl;
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| 112 |
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| 113 | Debug << "active: " << mNumActiveViewCells << endl;
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| 114 | Debug << "post process compress: " << mCompressViewCells << endl;
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| 115 | Debug << "visualization use clipPlane: " << mUseClipPlaneForViz << endl;
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| 116 | Debug << "post process merge: " << mMergeViewCells << endl;
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| 117 | Debug << "evaluate view cells: " << mEvaluateViewCells << endl;
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| 118 | Debug << "sampling type: " << mSamplingType << endl;
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[666] | 119 | Debug << "show visualization: " << mShowVisualization << endl;
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[664] | 120 |
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| 121 | Debug << endl;
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[440] | 122 | }
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| 123 |
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[485] | 124 |
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[440] | 125 | ViewCellsManager::~ViewCellsManager()
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| 126 | {
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[480] | 127 | DEL_PTR(mRenderer);
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[580] | 128 |
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[598] | 129 | if (!ViewCellsTreeConstructed())
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| 130 | CLEAR_CONTAINER(mViewCells);
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| 131 | else
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| 132 | DEL_PTR(mViewCellsTree);
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| 133 |
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[503] | 134 | CLEAR_CONTAINER(mMeshContainer);
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[440] | 135 | }
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| 136 |
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[485] | 137 |
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[574] | 138 | int ViewCellsManager::CastPassSamples(const int samplesPerPass,
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| 139 | const int sampleType,
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| 140 | VssRayContainer &passSamples) const
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[527] | 141 | {
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[570] | 142 | SimpleRayContainer simpleRays;
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[540] | 143 |
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[573] | 144 | preprocessor->GenerateRays(samplesPerPass,
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| 145 | sampleType,
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[570] | 146 | simpleRays);
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[564] | 147 |
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[573] | 148 | // shoot simple ray and add it to importance samples
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| 149 | preprocessor->CastRays(simpleRays, passSamples);
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[570] | 150 |
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[574] | 151 | return (int)passSamples.size();
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| 152 | }
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[570] | 153 |
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[574] | 154 |
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[607] | 155 |
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[574] | 156 | /// helper function which destroys rays or copies them into the output ray container
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[639] | 157 | inline void disposeRays(VssRayContainer &rays, VssRayContainer *outRays)
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[574] | 158 | {
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| 159 | cout << "disposing samples ... ";
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[582] | 160 | long startTime = GetTime();
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| 161 | int n = (int)rays.size();
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| 162 |
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[573] | 163 | if (outRays)
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[542] | 164 | {
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[574] | 165 | VssRayContainer::const_iterator it, it_end = rays.end();
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| 166 |
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| 167 | for (it = rays.begin(); it != it_end; ++ it)
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| 168 | {
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| 169 | outRays->push_back(*it);
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| 170 | }
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[573] | 171 | }
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| 172 | else
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| 173 | {
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[639] | 174 | VssRayContainer::const_iterator it, it_end = rays.end();
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| 175 |
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| 176 | for (it = rays.begin(); it != it_end; ++ it)
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| 177 | {
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| 178 | //(*it)->Unref();
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| 179 | if (!(*it)->IsActive())
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| 180 | delete (*it);
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| 181 | }
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[573] | 182 | }
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[639] | 183 |
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[574] | 184 | cout << "finished" << endl;
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[582] | 185 | Debug << "disposed " << n << " samples in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
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[573] | 186 | }
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[570] | 187 |
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| 188 |
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[573] | 189 | int ViewCellsManager::Construct(Preprocessor *preprocessor, VssRayContainer *outRays)
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| 190 | {
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| 191 | int numSamples = 0;
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| 192 | SimpleRayContainer simpleRays;
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| 193 |
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[574] | 194 | VssRayContainer initialSamples;
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[540] | 195 |
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[574] | 196 | cout << "view cell construction: casting " << mInitialSamples << " initial samples ... ";
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[573] | 197 | //-- construction rays => we use uniform samples for this
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[574] | 198 | CastPassSamples(mInitialSamples,
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[660] | 199 | mSamplingType,
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[574] | 200 | initialSamples);
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[573] | 201 |
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[574] | 202 | cout << "finished" << endl;
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| 203 |
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[660] | 204 |
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[573] | 205 | // construct view cells
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[574] | 206 | const int numInitialSamples =
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| 207 | ConstructSubdivision(preprocessor->mObjects, initialSamples);
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[540] | 208 |
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[574] | 209 | numSamples += numInitialSamples;
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[542] | 210 |
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[574] | 211 | // rays can be passed or deleted
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[666] | 212 | if (0) // remove!!
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[639] | 213 | disposeRays(initialSamples, outRays);
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[574] | 214 |
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[570] | 215 |
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[660] | 216 | // -- stats after contruction
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| 217 | ResetViewCells();
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| 218 | Debug << "\nView cells after initial sampling: " << mCurrentViewCellsStats << endl;
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| 219 |
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| 220 | if (0) // export initial view cells
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| 221 | {
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| 222 | cout << "exporting initial view cells (=leaves) ... ";
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| 223 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
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| 224 |
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| 225 | if (exporter)
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| 226 | {
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| 227 | if (mExportGeometry)
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| 228 | exporter->ExportGeometry(preprocessor->mObjects);
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| 229 |
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| 230 | ExportViewCellsForViz(exporter);
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| 231 |
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| 232 | delete exporter;
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| 233 | }
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| 234 | cout << "finished" << endl;
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| 235 | }
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| 236 |
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| 237 |
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[573] | 238 | //-- guided rays are used for further sampling
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[574] | 239 | const int n = mConstructionSamples; //+initialSamples;
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[570] | 240 |
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[666] | 241 | // should we use directional samples?
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| 242 | bool dirSamples = mSamplingType == Preprocessor::DIRECTION_BASED_DISTRIBUTION;
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[573] | 243 |
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| 244 | while (numSamples < n)
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| 245 | {
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[596] | 246 | cout << "casting " << mSamplesPerPass << " samples of " << n << " ... ";
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[574] | 247 | VssRayContainer constructionSamples;
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| 248 |
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[666] | 249 | const int samplingType = mSamplingType;
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| 250 | /* dirSamples ?
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[574] | 251 | Preprocessor::DIRECTION_BASED_DISTRIBUTION :
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| 252 | Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
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[666] | 253 | */
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[600] | 254 | if (0)
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[666] | 255 | dirSamples = !dirSamples; // toggle sampling method
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[574] | 256 | numSamples += CastPassSamples(mSamplesPerPass,
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[666] | 257 | samplingType,
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[574] | 258 | constructionSamples);
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| 259 |
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| 260 | cout << "finished" << endl;
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| 261 |
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| 262 | cout << "computing sample contribution for " << (int)constructionSamples.size() << " samples ... ";
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| 263 |
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| 264 | // TODO: leak?
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[605] | 265 | if (SAMPLE_AFTER_SUBDIVISION)
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| 266 | ComputeSampleContributions(constructionSamples, true, false);
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[574] | 267 | cout << "finished" << endl;
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| 268 |
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| 269 |
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[639] | 270 | disposeRays(constructionSamples, outRays);
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[574] | 271 |
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| 272 | cout << "total samples: " << numSamples << endl;
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[542] | 273 | }
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[573] | 274 |
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[570] | 275 |
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[573] | 276 | //-- post processing
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| 277 | VssRayContainer postProcessSamples;
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[570] | 278 |
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[573] | 279 | //-- construction rays => we use uniform samples for this
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[574] | 280 | CastPassSamples(mPostProcessSamples,
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| 281 | Preprocessor::DIRECTION_BASED_DISTRIBUTION,
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| 282 | postProcessSamples);
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[660] | 283 |
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| 284 |
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| 285 | // stats before post processing (i.e., merge)
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| 286 | EvaluateViewCellsStats();
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| 287 | Debug << "\noriginal view cell partition before post process:\n" << mCurrentViewCellsStats << endl;
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| 288 |
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| 289 | mRenderer->RenderScene();
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| 290 | SimulationStatistics ss;
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| 291 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
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| 292 |
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| 293 | Debug << ss << endl;
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| 294 |
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| 295 |
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| 296 |
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[574] | 297 | cout << "starting post processing and visualization" << endl;
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| 298 |
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[660] | 299 |
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[666] | 300 | // store view cells for postprocessing
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[574] | 301 | const bool storeViewCells = true;
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[605] | 302 |
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[660] | 303 |
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[605] | 304 | if (SAMPLE_AFTER_SUBDIVISION)
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| 305 | ComputeSampleContributions(postProcessSamples, true, storeViewCells);
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[663] | 306 |
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[570] | 307 | // merge the view cells
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[573] | 308 | PostProcess(preprocessor->mObjects, postProcessSamples);
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[570] | 309 |
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| 310 |
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[574] | 311 | //-- visualization
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[666] | 312 | if (mShowVisualization)
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| 313 | {
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| 314 | VssRayContainer visualizationSamples;
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[574] | 315 |
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[666] | 316 | //-- construction rays => we use uniform samples for this
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| 317 | CastPassSamples(mVisualizationSamples,
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| 318 | Preprocessor::DIRECTION_BASED_DISTRIBUTION,
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| 319 | visualizationSamples);
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[574] | 320 |
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[666] | 321 | if (SAMPLE_AFTER_SUBDIVISION)
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| 322 | ComputeSampleContributions(visualizationSamples, true, storeViewCells);
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[574] | 323 |
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[666] | 324 | // different visualizations
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| 325 | Visualize(preprocessor->mObjects, visualizationSamples);
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[574] | 326 |
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[666] | 327 | disposeRays(visualizationSamples, outRays);
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| 328 | }
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[574] | 329 |
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[664] | 330 | if (mEvaluateViewCells)
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| 331 | {
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[666] | 332 | EvalViewCellPartition(preprocessor);
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[664] | 333 | }
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[666] | 334 |
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| 335 | ViewCellContainer leaves;
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| 336 | mViewCellsTree->CollectLeaves(mViewCellsTree->GetRoot(), leaves);
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| 337 | mViewCellsTree->ResetPvs();
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| 338 | VssRayContainer dummyRays;
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| 339 | CastPassSamples(mInitialSamples, mSamplingType, dummyRays);
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| 340 |
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| 341 | //ComputeSampleContributions(initialSamples, true, false);
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| 342 | ComputeSampleContributions(dummyRays, true, false);
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[664] | 343 |
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[666] | 344 | ViewCellContainer::const_iterator it, it_end = leaves.end();
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| 345 |
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| 346 | for (it = leaves.begin(); it != it_end; ++ it)
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| 347 | {
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| 348 | mViewCellsTree->PropagatePvs(*it);
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| 349 | }
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| 350 |
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| 351 | mViewCellsTree->ExportStats("dummy.log");
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| 352 |
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[573] | 353 | return numSamples;
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[527] | 354 | }
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| 355 |
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[547] | 356 |
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[664] | 357 | void ViewCellsManager::EvalViewCellPartition(Preprocessor *preprocessor)
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[660] | 358 | {
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| 359 | int samplesPerPass;
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| 360 | int numSamples;
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| 361 | int castSamples = 0;
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| 362 |
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[664] | 363 | char s[64];
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| 364 |
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[660] | 365 | environment->GetIntValue("ViewCells.Evaluation.samplesPerPass", samplesPerPass);
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| 366 | environment->GetIntValue("ViewCells.Evaluation.samples", numSamples);
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| 367 |
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[664] | 368 | char statsPrefix[100];
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| 369 | environment->GetStringValue("ViewCells.Evaluation.statsPrefix", statsPrefix);
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[663] | 370 |
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[664] | 371 | Debug << "view cell evaluation samples per pass: " << samplesPerPass << endl;
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| 372 | Debug << "view cell evaluation samples: " << numSamples << endl;
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| 373 | Debug << "view cell stats prefix: " << statsPrefix << endl;
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| 374 |
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| 375 | //VssRayContainer outRays;
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[666] | 376 | // should directional sampling be used?
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| 377 | bool dirSamples = mSamplingType == Preprocessor::DIRECTION_BASED_DISTRIBUTION;
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[664] | 378 |
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| 379 | cout << "Evaluating view cell partition" << endl;
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| 380 |
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| 381 | ViewCellContainer leaves;
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| 382 | mViewCellsTree->CollectLeaves(mViewCellsTree->GetRoot(), leaves);
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| 383 |
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[666] | 384 | bool startFromZero = true;
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| 385 |
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| 386 | // reset pvs and start over from zero
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| 387 | if (startFromZero)
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| 388 | {
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| 389 | mViewCellsTree->ResetPvs();
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| 390 | }
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| 391 | else // statistics without addidtional samples
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| 392 | {
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| 393 | cout << "compute new statistics ... ";
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| 394 | sprintf(s, "-%09d-eval.log", castSamples);
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| 395 | string fName = string(statsPrefix) + string(s);
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| 396 |
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| 397 | mViewCellsTree->ExportStats(fName);
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| 398 | cout << "finished" << endl;
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| 399 | }
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| 400 |
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| 401 |
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[660] | 402 | while (castSamples < numSamples)
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| 403 | {
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[664] | 404 | VssRayContainer evaluationSamples;
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[663] | 405 |
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[666] | 406 | const int samplingType = mSamplingType;
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| 407 | /* dirSamples ?
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[664] | 408 | Preprocessor::DIRECTION_BASED_DISTRIBUTION :
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| 409 | Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
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[666] | 410 | */
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[664] | 411 | //-- construction rays => we use uniform samples for this
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| 412 | CastPassSamples(samplesPerPass, samplingType, evaluationSamples);
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| 413 |
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| 414 | castSamples += samplesPerPass;
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| 415 |
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| 416 | cout << "casting " << (int)evaluationSamples.size() << " samples " << endl;
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| 417 |
|
---|
| 418 | ComputeSampleContributions(evaluationSamples, true, false);
|
---|
| 419 |
|
---|
| 420 | cout << "compute new statistics ... ";
|
---|
| 421 |
|
---|
| 422 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 423 |
|
---|
| 424 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 425 | {
|
---|
| 426 | mViewCellsTree->PropagatePvs(*it);
|
---|
| 427 | }
|
---|
| 428 |
|
---|
| 429 | // output stats
|
---|
| 430 | sprintf(s, "Stats-%09d-eval.log", castSamples);
|
---|
| 431 | string fileName = string(statsPrefix) + string(s);
|
---|
| 432 |
|
---|
| 433 | mViewCellsTree->ExportStats(fileName);
|
---|
| 434 |
|
---|
| 435 | cout << "finished" << endl;
|
---|
| 436 |
|
---|
| 437 | disposeRays(evaluationSamples, NULL);
|
---|
[660] | 438 | }
|
---|
| 439 | }
|
---|
| 440 |
|
---|
| 441 |
|
---|
[564] | 442 | bool ViewCellsManager::CheckValidity(ViewCell *vc,
|
---|
| 443 | int minPvsSize,
|
---|
[562] | 444 | int maxPvsSize) const
|
---|
[547] | 445 | {
|
---|
[569] | 446 |
|
---|
| 447 | if ((vc->GetPvs().GetSize() > maxPvsSize) ||
|
---|
| 448 | (vc->GetPvs().GetSize() < minPvsSize))
|
---|
[564] | 449 | {
|
---|
[569] | 450 | return false;
|
---|
[561] | 451 | }
|
---|
[570] | 452 |
|
---|
[569] | 453 | return true;
|
---|
[547] | 454 | }
|
---|
| 455 |
|
---|
| 456 |
|
---|
[581] | 457 | bool ViewCellsManager::ViewCellsTreeConstructed() const
|
---|
| 458 | {
|
---|
| 459 | return mViewCellsTree->GetRoot();
|
---|
| 460 | }
|
---|
| 461 |
|
---|
| 462 |
|
---|
[564] | 463 | void ViewCellsManager::SetValidity(ViewCell *vc,
|
---|
| 464 | int minPvs,
|
---|
[562] | 465 | int maxPvs) const
|
---|
| 466 | {
|
---|
| 467 | vc->SetValid(CheckValidity(vc, minPvs, maxPvs));
|
---|
| 468 | }
|
---|
| 469 |
|
---|
[577] | 470 |
|
---|
[569] | 471 | void
|
---|
| 472 | ViewCellsManager::SetValidity(
|
---|
[570] | 473 | int minPvsSize,
|
---|
[569] | 474 | int maxPvsSize) const
|
---|
| 475 | {
|
---|
| 476 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
[570] | 477 |
|
---|
[569] | 478 | for (it = mViewCells.begin(); it != it_end; ++ it) {
|
---|
| 479 | SetValidity(*it, minPvsSize, maxPvsSize);
|
---|
| 480 | }
|
---|
| 481 | }
|
---|
[562] | 482 |
|
---|
[569] | 483 | void
|
---|
| 484 | ViewCellsManager::SetValidityPercentage(
|
---|
| 485 | const float minValid,
|
---|
| 486 | const float maxValid
|
---|
| 487 | )
|
---|
| 488 | {
|
---|
| 489 | sort(mViewCells.begin(), mViewCells.end(), ViewCell::SmallerPvs);
|
---|
[570] | 490 |
|
---|
[569] | 491 | int start = mViewCells.size()*minValid;
|
---|
| 492 | int end = mViewCells.size()*maxValid;
|
---|
[570] | 493 |
|
---|
[569] | 494 | for (int i=0; i < mViewCells.size(); i++)
|
---|
| 495 | mViewCells[i]->SetValid(i >= start && i <= end);
|
---|
| 496 | }
|
---|
| 497 |
|
---|
| 498 | int
|
---|
| 499 | ViewCellsManager::CountValidViewcells() const
|
---|
| 500 | {
|
---|
| 501 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 502 | int valid = 0;
|
---|
| 503 | for (it = mViewCells.begin(); it != it_end; ++ it) {
|
---|
| 504 | if ((*it)->GetValid())
|
---|
| 505 | valid++;
|
---|
| 506 | }
|
---|
| 507 | return valid;
|
---|
| 508 | }
|
---|
| 509 |
|
---|
[577] | 510 |
|
---|
| 511 | bool ViewCellsManager::LoadViewCellsGeometry(const string filename)
|
---|
[440] | 512 | {
|
---|
| 513 | X3dParser parser;
|
---|
[503] | 514 |
|
---|
[440] | 515 | environment->GetFloatValue("ViewCells.height", parser.mViewCellHeight);
|
---|
[503] | 516 |
|
---|
[440] | 517 | bool success = parser.ParseFile(filename, *this);
|
---|
| 518 | Debug << (int)mViewCells.size() << " view cells loaded" << endl;
|
---|
| 519 |
|
---|
| 520 | return success;
|
---|
| 521 | }
|
---|
| 522 |
|
---|
[485] | 523 |
|
---|
[487] | 524 | bool ViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 525 | {
|
---|
[542] | 526 | viewPoint = mViewSpaceBox.GetRandomPoint();
|
---|
[487] | 527 |
|
---|
| 528 | return true;
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 |
|
---|
[557] | 532 | float ViewCellsManager::GetViewSpaceVolume()
|
---|
| 533 | {
|
---|
[610] | 534 | return mViewSpaceBox.GetVolume() * (2.0f * sqr((float)M_PI));
|
---|
[557] | 535 | }
|
---|
| 536 |
|
---|
| 537 |
|
---|
[490] | 538 | bool ViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 539 | {
|
---|
[569] | 540 | if (!ViewCellsConstructed())
|
---|
[542] | 541 | return mViewSpaceBox.IsInside(viewPoint);
|
---|
[569] | 542 | else {
|
---|
| 543 | if (!mViewSpaceBox.IsInside(viewPoint))
|
---|
| 544 | return false;
|
---|
| 545 | ViewCell *viewcell = GetViewCell(viewPoint);
|
---|
| 546 | if (!viewcell || !viewcell->GetValid())
|
---|
| 547 | return false;
|
---|
| 548 | }
|
---|
| 549 | return true;
|
---|
[490] | 550 | }
|
---|
| 551 |
|
---|
[501] | 552 |
|
---|
[563] | 553 | float
|
---|
| 554 | ViewCellsManager::ComputeSampleContributions(const VssRayContainer &rays,
|
---|
[574] | 555 | const bool addRays,
|
---|
| 556 | const bool storeViewCells
|
---|
[563] | 557 | )
|
---|
[440] | 558 | {
|
---|
[563] | 559 | // view cells not yet constructed
|
---|
| 560 | if (!ViewCellsConstructed())
|
---|
| 561 | return 0.0f;
|
---|
[564] | 562 |
|
---|
[563] | 563 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[503] | 564 |
|
---|
[563] | 565 | float sum = 0.0f;
|
---|
[664] | 566 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 567 | {
|
---|
| 568 | sum += ComputeSampleContributions(*(*it), addRays, storeViewCells);
|
---|
| 569 | //ComputeSampleContributions(*(*it), addRays);
|
---|
| 570 | // sum += (*it)->mPvsContribution;
|
---|
[563] | 571 | }
|
---|
[664] | 572 |
|
---|
[563] | 573 | return sum;
|
---|
[440] | 574 | }
|
---|
| 575 |
|
---|
[485] | 576 |
|
---|
[479] | 577 | void ViewCellsManager::EvaluateViewCellsStats()
|
---|
| 578 | {
|
---|
[660] | 579 | mCurrentViewCellsStats.Reset();
|
---|
[479] | 580 |
|
---|
| 581 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 582 |
|
---|
| 583 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
[487] | 584 | {
|
---|
[660] | 585 | mViewCellsTree->UpdateViewCellsStats(*it, mCurrentViewCellsStats);
|
---|
[487] | 586 | }
|
---|
[479] | 587 | }
|
---|
| 588 |
|
---|
[485] | 589 |
|
---|
[580] | 590 | void ViewCellsManager::EvaluateRenderStatistics(float &totalRenderCost,
|
---|
[579] | 591 | float &expectedRenderCost,
|
---|
[580] | 592 | float &deviation,
|
---|
| 593 | float &variance,
|
---|
| 594 | int &totalPvs,
|
---|
| 595 | float &avgRenderCost)
|
---|
[579] | 596 | {
|
---|
| 597 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 598 |
|
---|
[580] | 599 |
|
---|
[579] | 600 | //-- compute expected value
|
---|
| 601 |
|
---|
| 602 | totalRenderCost = 0;
|
---|
[580] | 603 | totalPvs = 0;
|
---|
[579] | 604 |
|
---|
| 605 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 606 | {
|
---|
| 607 | ViewCell *vc = *it;
|
---|
| 608 | totalRenderCost += vc->GetPvs().GetSize() * vc->GetVolume();
|
---|
[580] | 609 | totalPvs += (int)vc->GetPvs().GetSize();
|
---|
[579] | 610 | }
|
---|
| 611 |
|
---|
[580] | 612 | // normalize with view space box
|
---|
| 613 | totalRenderCost /= mViewSpaceBox.GetVolume();
|
---|
[579] | 614 | expectedRenderCost = totalRenderCost / (float)mViewCells.size();
|
---|
[580] | 615 | avgRenderCost = totalPvs / (float)mViewCells.size();
|
---|
[579] | 616 |
|
---|
| 617 |
|
---|
[580] | 618 | //-- compute standard defiation
|
---|
[579] | 619 | variance = 0;
|
---|
[580] | 620 | deviation = 0;
|
---|
[579] | 621 |
|
---|
| 622 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 623 | {
|
---|
| 624 | ViewCell *vc = *it;
|
---|
| 625 |
|
---|
| 626 | float renderCost = vc->GetPvs().GetSize() * vc->GetVolume();
|
---|
[580] | 627 | float dev;
|
---|
[579] | 628 |
|
---|
[580] | 629 | if (1)
|
---|
| 630 | dev = fabs(avgRenderCost - (float)vc->GetPvs().GetSize());
|
---|
| 631 | else
|
---|
| 632 | dev = fabs(expectedRenderCost - renderCost);
|
---|
[579] | 633 |
|
---|
[580] | 634 | deviation += dev;
|
---|
| 635 | variance += dev * dev;
|
---|
[579] | 636 | }
|
---|
[580] | 637 |
|
---|
[579] | 638 | variance /= (float)mViewCells.size();
|
---|
[580] | 639 | deviation /= (float)mViewCells.size();
|
---|
[579] | 640 | }
|
---|
| 641 |
|
---|
| 642 |
|
---|
| 643 |
|
---|
[440] | 644 | void ViewCellsManager::AddViewCell(ViewCell *viewCell)
|
---|
| 645 | {
|
---|
| 646 | mViewCells.push_back(viewCell);
|
---|
| 647 | }
|
---|
| 648 |
|
---|
[485] | 649 |
|
---|
[478] | 650 | float ViewCellsManager::GetArea(ViewCell *viewCell) const
|
---|
| 651 | {
|
---|
| 652 | return viewCell->GetArea();
|
---|
| 653 | }
|
---|
| 654 |
|
---|
| 655 |
|
---|
| 656 | float ViewCellsManager::GetVolume(ViewCell *viewCell) const
|
---|
| 657 | {
|
---|
| 658 | return viewCell->GetVolume();
|
---|
| 659 | }
|
---|
| 660 |
|
---|
[485] | 661 |
|
---|
[503] | 662 | void ViewCellsManager::DeriveViewCells(const ObjectContainer &objects,
|
---|
| 663 | ViewCellContainer &viewCells,
|
---|
[440] | 664 | const int maxViewCells) const
|
---|
| 665 | {
|
---|
| 666 | // maximal max viewcells
|
---|
[503] | 667 | int limit = maxViewCells > 0 ?
|
---|
[440] | 668 | Min((int)objects.size(), maxViewCells) : (int)objects.size();
|
---|
| 669 |
|
---|
| 670 | for (int i = 0; i < limit; ++ i)
|
---|
| 671 | {
|
---|
| 672 | Intersectable *object = objects[i];
|
---|
[503] | 673 |
|
---|
[440] | 674 | // extract the mesh instances
|
---|
| 675 | if (object->Type() == Intersectable::MESH_INSTANCE)
|
---|
| 676 | {
|
---|
| 677 | MeshInstance *inst = dynamic_cast<MeshInstance *>(object);
|
---|
| 678 |
|
---|
| 679 | ViewCell *viewCell = GenerateViewCell(inst->GetMesh());
|
---|
| 680 | viewCells.push_back(viewCell);
|
---|
| 681 | }
|
---|
| 682 | //TODO: transformed meshes
|
---|
| 683 | }
|
---|
| 684 | }
|
---|
| 685 |
|
---|
[485] | 686 |
|
---|
[503] | 687 | ViewCell *ViewCellsManager::ExtrudeViewCell(const Triangle3 &baseTri,
|
---|
[440] | 688 | const float height) const
|
---|
| 689 | {
|
---|
| 690 | // one mesh per view cell
|
---|
| 691 | Mesh *mesh = new Mesh();
|
---|
[503] | 692 |
|
---|
[440] | 693 | //-- construct prism
|
---|
| 694 |
|
---|
[503] | 695 | // bottom
|
---|
[440] | 696 | mesh->mFaces.push_back(new Face(2,1,0));
|
---|
| 697 | // top
|
---|
| 698 | mesh->mFaces.push_back(new Face(3,4,5));
|
---|
| 699 | // sides
|
---|
| 700 | mesh->mFaces.push_back(new Face(1, 4, 3, 0));
|
---|
| 701 | mesh->mFaces.push_back(new Face(2, 5, 4, 1));
|
---|
| 702 | mesh->mFaces.push_back(new Face(3, 5, 2, 0));
|
---|
| 703 |
|
---|
| 704 | //--- extrude new vertices for top of prism
|
---|
| 705 | Vector3 triNorm = baseTri.GetNormal();
|
---|
| 706 |
|
---|
[503] | 707 | Triangle3 topTri;
|
---|
[440] | 708 |
|
---|
| 709 | // add base vertices and calculate top vertices
|
---|
| 710 | for (int i = 0; i < 3; ++ i)
|
---|
| 711 | mesh->mVertices.push_back(baseTri.mVertices[i]);
|
---|
[503] | 712 |
|
---|
| 713 | // add top vertices
|
---|
[440] | 714 | for (int i = 0; i < 3; ++ i)
|
---|
| 715 | mesh->mVertices.push_back(baseTri.mVertices[i] + height * triNorm);
|
---|
[503] | 716 |
|
---|
[440] | 717 | mesh->Preprocess();
|
---|
| 718 |
|
---|
| 719 | return GenerateViewCell(mesh);
|
---|
| 720 | }
|
---|
| 721 |
|
---|
[485] | 722 |
|
---|
[551] | 723 | void ViewCellsManager::FinalizeViewCells(const bool createMesh)
|
---|
| 724 | {
|
---|
| 725 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 726 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 727 | {
|
---|
| 728 | Finalize(*it, createMesh);
|
---|
| 729 | }
|
---|
[555] | 730 |
|
---|
| 731 | mTotalAreaValid = false;
|
---|
[551] | 732 | }
|
---|
| 733 |
|
---|
| 734 |
|
---|
| 735 | void ViewCellsManager::Finalize(ViewCell *viewCell, const bool createMesh)
|
---|
| 736 | {
|
---|
| 737 | // implemented in subclasses
|
---|
| 738 | }
|
---|
| 739 |
|
---|
| 740 |
|
---|
[582] | 741 | ViewCellInterior *ViewCellsManager::MergeViewCells(ViewCell *left, ViewCell *right) const
|
---|
[440] | 742 | {
|
---|
[580] | 743 | // generate parent view cell
|
---|
| 744 | ViewCellInterior *vc = new ViewCellInterior();//GenerateViewCell();
|
---|
[462] | 745 |
|
---|
[610] | 746 | vc->GetPvs() = left->GetPvs();
|
---|
[440] | 747 | // merge pvs
|
---|
[610] | 748 | vc->GetPvs().Merge(right->GetPvs());
|
---|
[440] | 749 |
|
---|
[462] | 750 | //-- merge ray sets
|
---|
[564] | 751 | if (0)
|
---|
| 752 | {
|
---|
[582] | 753 | stable_sort(left->mPiercingRays.begin(), left->mPiercingRays.end());
|
---|
| 754 | stable_sort(right->mPiercingRays.begin(), right->mPiercingRays.end());
|
---|
[440] | 755 |
|
---|
[582] | 756 | std::merge(left->mPiercingRays.begin(), left->mPiercingRays.end(),
|
---|
| 757 | right->mPiercingRays.begin(), right->mPiercingRays.end(),
|
---|
[564] | 758 | vc->mPiercingRays.begin());
|
---|
| 759 | }
|
---|
[440] | 760 |
|
---|
[580] | 761 |
|
---|
[582] | 762 | vc->SetupChildLink(left);
|
---|
| 763 | vc->SetupChildLink(right);
|
---|
[580] | 764 |
|
---|
| 765 |
|
---|
[440] | 766 | return vc;
|
---|
| 767 | }
|
---|
| 768 |
|
---|
[485] | 769 |
|
---|
[582] | 770 | ViewCellInterior *ViewCellsManager::MergeViewCells(ViewCellContainer &children) const
|
---|
| 771 | {
|
---|
| 772 | ViewCellInterior *vc = new ViewCellInterior();//GenerateViewCell();
|
---|
| 773 |
|
---|
| 774 | ViewCellContainer::const_iterator it, it_end = children.end();
|
---|
| 775 |
|
---|
| 776 | for (it = children.begin(); it != it_end; ++ it)
|
---|
| 777 | {
|
---|
| 778 | // merge pvs
|
---|
[610] | 779 | vc->GetPvs().Merge((*it)->GetPvs());
|
---|
[582] | 780 |
|
---|
| 781 | vc->SetupChildLink(*it);
|
---|
| 782 | }
|
---|
| 783 |
|
---|
| 784 | return vc;
|
---|
| 785 | }
|
---|
| 786 |
|
---|
| 787 |
|
---|
[480] | 788 | void ViewCellsManager::SetRenderer(Renderer *renderer)
|
---|
| 789 | {
|
---|
| 790 | mRenderer = renderer;
|
---|
| 791 | }
|
---|
[441] | 792 |
|
---|
[485] | 793 |
|
---|
[580] | 794 | ViewCellsTree *ViewCellsManager::GetViewCellsTree()
|
---|
[440] | 795 | {
|
---|
[580] | 796 | return mViewCellsTree;
|
---|
[440] | 797 | }
|
---|
| 798 |
|
---|
| 799 |
|
---|
| 800 | void ViewCellsManager::SetVisualizationSamples(const int visSamples)
|
---|
| 801 | {
|
---|
[444] | 802 | mVisualizationSamples = visSamples;
|
---|
[440] | 803 | }
|
---|
| 804 |
|
---|
[485] | 805 |
|
---|
[440] | 806 | void ViewCellsManager::SetConstructionSamples(const int constructionSamples)
|
---|
| 807 | {
|
---|
| 808 | mConstructionSamples = constructionSamples;
|
---|
| 809 | }
|
---|
| 810 |
|
---|
[485] | 811 |
|
---|
[574] | 812 | void ViewCellsManager::SetInitialSamples(const int initialSamples)
|
---|
| 813 | {
|
---|
| 814 | mInitialSamples = initialSamples;
|
---|
| 815 | }
|
---|
| 816 |
|
---|
| 817 |
|
---|
[440] | 818 | void ViewCellsManager::SetPostProcessSamples(const int postProcessSamples)
|
---|
| 819 | {
|
---|
| 820 | mPostProcessSamples = postProcessSamples;
|
---|
| 821 | }
|
---|
| 822 |
|
---|
[485] | 823 |
|
---|
[440] | 824 | int ViewCellsManager::GetVisualizationSamples() const
|
---|
| 825 | {
|
---|
| 826 | return mVisualizationSamples;
|
---|
| 827 | }
|
---|
| 828 |
|
---|
[485] | 829 |
|
---|
[440] | 830 | int ViewCellsManager::GetConstructionSamples() const
|
---|
| 831 | {
|
---|
| 832 | return mConstructionSamples;
|
---|
| 833 | }
|
---|
| 834 |
|
---|
[485] | 835 |
|
---|
[440] | 836 | int ViewCellsManager::GetPostProcessSamples() const
|
---|
| 837 | {
|
---|
| 838 | return mPostProcessSamples;
|
---|
| 839 | }
|
---|
| 840 |
|
---|
[485] | 841 |
|
---|
| 842 | void ViewCellsManager::GetPvsStatistics(PvsStatistics &stat)
|
---|
[467] | 843 | {
|
---|
| 844 | ViewCellContainer::const_iterator it = mViewCells.begin();
|
---|
| 845 | stat.viewcells = 0;
|
---|
| 846 | stat.minPvs = 100000000;
|
---|
| 847 | stat.maxPvs = 0;
|
---|
| 848 | stat.avgPvs = 0.0f;
|
---|
| 849 |
|
---|
| 850 | for (; it != mViewCells.end(); ++it) {
|
---|
| 851 | ViewCell *viewcell = *it;
|
---|
| 852 | int pvsSize = viewcell->GetPvs().GetSize();
|
---|
| 853 | if ( pvsSize < stat.minPvs)
|
---|
| 854 | stat.minPvs = pvsSize;
|
---|
| 855 | if (pvsSize > stat.maxPvs)
|
---|
| 856 | stat.maxPvs = pvsSize;
|
---|
| 857 | stat.avgPvs += pvsSize;
|
---|
| 858 | stat.viewcells++;
|
---|
| 859 | }
|
---|
| 860 | if (stat.viewcells)
|
---|
| 861 | stat.avgPvs/=stat.viewcells;
|
---|
| 862 | }
|
---|
| 863 |
|
---|
[485] | 864 |
|
---|
[480] | 865 | void ViewCellsManager::PrintPvsStatistics(ostream &s)
|
---|
[467] | 866 | {
|
---|
| 867 | s<<"############# Viewcell PVS STAT ##################\n";
|
---|
| 868 | PvsStatistics pvsStat;
|
---|
| 869 | GetPvsStatistics(pvsStat);
|
---|
| 870 | s<<"#AVG_PVS\n"<<pvsStat.avgPvs<<endl;
|
---|
| 871 | s<<"#MAX_PVS\n"<<pvsStat.maxPvs<<endl;
|
---|
| 872 | s<<"#MIN_PVS\n"<<pvsStat.minPvs<<endl;
|
---|
| 873 | }
|
---|
| 874 |
|
---|
[485] | 875 |
|
---|
[532] | 876 | int ViewCellsManager::CastBeam(Beam &beam)
|
---|
| 877 | {
|
---|
| 878 | return 0;
|
---|
| 879 | }
|
---|
| 880 |
|
---|
[547] | 881 |
|
---|
[468] | 882 | ViewCellContainer &ViewCellsManager::GetViewCells()
|
---|
| 883 | {
|
---|
| 884 | return mViewCells;
|
---|
| 885 | }
|
---|
| 886 |
|
---|
[485] | 887 |
|
---|
[487] | 888 | void ViewCellsManager::SetViewSpaceBox(const AxisAlignedBox3 &box)
|
---|
| 889 | {
|
---|
[542] | 890 | mViewSpaceBox = box;
|
---|
[591] | 891 |
|
---|
[660] | 892 | CreateClipPlane();
|
---|
[591] | 893 |
|
---|
[577] | 894 | mTotalAreaValid = false;
|
---|
[487] | 895 | }
|
---|
| 896 |
|
---|
| 897 |
|
---|
[660] | 898 | void ViewCellsManager::CreateClipPlane()
|
---|
[591] | 899 | {
|
---|
| 900 | int axis = 0;
|
---|
| 901 |
|
---|
[660] | 902 | const float factor = 0.65f;
|
---|
[598] | 903 | Vector3 point = mViewSpaceBox.Min() + mViewSpaceBox.Size() * factor;
|
---|
[591] | 904 |
|
---|
[660] | 905 | if (mUseClipPlaneForViz)
|
---|
| 906 | environment->GetIntValue("ViewCells.Visualization.clipPlaneAxis", axis);
|
---|
[591] | 907 |
|
---|
| 908 | Vector3 normal(0,0,0);
|
---|
| 909 | normal[axis] = 1;
|
---|
| 910 |
|
---|
[660] | 911 | mClipPlane = Plane3(normal, point);
|
---|
[591] | 912 | }
|
---|
| 913 |
|
---|
| 914 |
|
---|
[519] | 915 | AxisAlignedBox3 ViewCellsManager::GetViewSpaceBox() const
|
---|
| 916 | {
|
---|
[542] | 917 | return mViewSpaceBox;
|
---|
[519] | 918 | }
|
---|
| 919 |
|
---|
| 920 |
|
---|
[480] | 921 | void ViewCellsManager::ResetViewCells()
|
---|
| 922 | {
|
---|
| 923 | mViewCells.clear();
|
---|
[590] | 924 |
|
---|
[480] | 925 | CollectViewCells();
|
---|
[590] | 926 |
|
---|
[660] | 927 | mCurrentViewCellsStats.Reset();
|
---|
[480] | 928 | EvaluateViewCellsStats();
|
---|
[590] | 929 |
|
---|
[520] | 930 | // has to be recomputed
|
---|
[480] | 931 | mTotalAreaValid = false;
|
---|
| 932 | }
|
---|
| 933 |
|
---|
[485] | 934 |
|
---|
[547] | 935 | int ViewCellsManager::GetMaxPvsSize() const
|
---|
| 936 | {
|
---|
| 937 | return mMaxPvsSize;
|
---|
| 938 | }
|
---|
| 939 |
|
---|
[590] | 940 |
|
---|
[563] | 941 | void
|
---|
| 942 | ViewCellsManager::AddSampleContributions(const VssRayContainer &rays)
|
---|
| 943 | {
|
---|
| 944 | if (!ViewCellsConstructed())
|
---|
| 945 | return;
|
---|
[564] | 946 |
|
---|
[563] | 947 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[564] | 948 |
|
---|
[563] | 949 | for (it = rays.begin(); it != it_end; ++ it) {
|
---|
| 950 | AddSampleContributions(*(*it));
|
---|
| 951 | }
|
---|
| 952 | }
|
---|
[547] | 953 |
|
---|
[581] | 954 |
|
---|
[562] | 955 | int ViewCellsManager::GetMinPvsSize() const
|
---|
| 956 | {
|
---|
| 957 | return mMinPvsSize;
|
---|
| 958 | }
|
---|
| 959 |
|
---|
| 960 |
|
---|
| 961 |
|
---|
[561] | 962 | float ViewCellsManager::GetMaxPvsRatio() const
|
---|
| 963 | {
|
---|
| 964 | return mMaxPvsRatio;
|
---|
| 965 | }
|
---|
| 966 |
|
---|
| 967 |
|
---|
[563] | 968 | void
|
---|
| 969 | ViewCellsManager::AddSampleContributions(VssRay &ray)
|
---|
[468] | 970 | {
|
---|
[563] | 971 | // assumes viewcells have been stored...
|
---|
| 972 | ViewCellContainer *viewcells = &ray.mViewCells;
|
---|
| 973 | ViewCellContainer::const_iterator it;
|
---|
| 974 | for (it = viewcells->begin(); it != viewcells->end(); ++it) {
|
---|
| 975 | ViewCell *viewcell = *it;
|
---|
[569] | 976 | if (viewcell->GetValid()) {
|
---|
| 977 | // if ray not outside of view space
|
---|
| 978 | viewcell->GetPvs().AddSample(ray.mTerminationObject, ray.mPdf);
|
---|
| 979 | }
|
---|
[563] | 980 | }
|
---|
| 981 | }
|
---|
[503] | 982 |
|
---|
[574] | 983 |
|
---|
[570] | 984 | float ViewCellsManager::ComputeSampleContributions(VssRay &ray,
|
---|
[574] | 985 | const bool addRays,
|
---|
| 986 | const bool storeViewCells)
|
---|
[563] | 987 | {
|
---|
[570] | 988 | ViewCellContainer viewcells;
|
---|
[564] | 989 |
|
---|
[570] | 990 | ray.mPvsContribution = 0;
|
---|
| 991 | ray.mRelativePvsContribution = 0.0f;
|
---|
[485] | 992 |
|
---|
[570] | 993 | static Ray hray;
|
---|
[564] | 994 | hray.Init(ray);
|
---|
| 995 | //hray.mFlags |= Ray::CULL_BACKFACES;
|
---|
| 996 | //Ray hray(ray);
|
---|
| 997 |
|
---|
| 998 | float tmin = 0, tmax = 1.0;
|
---|
| 999 |
|
---|
| 1000 | if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
|
---|
[565] | 1001 | return 0;
|
---|
[564] | 1002 |
|
---|
| 1003 | Vector3 origin = hray.Extrap(tmin);
|
---|
| 1004 | Vector3 termination = hray.Extrap(tmax);
|
---|
| 1005 |
|
---|
| 1006 | CastLineSegment(origin, termination, viewcells);
|
---|
[664] | 1007 |
|
---|
[570] | 1008 | // copy viewcells memory efficiently
|
---|
[574] | 1009 | //const bool storeViewcells = !addRays;
|
---|
[564] | 1010 |
|
---|
[574] | 1011 | if (storeViewCells)
|
---|
[570] | 1012 | {
|
---|
| 1013 | ray.mViewCells.reserve(viewcells.size());
|
---|
| 1014 | ray.mViewCells = viewcells;
|
---|
| 1015 | }
|
---|
[564] | 1016 |
|
---|
[570] | 1017 | ViewCellContainer::const_iterator it = viewcells.begin();
|
---|
[564] | 1018 |
|
---|
[664] | 1019 | for (; it != viewcells.end(); ++ it)
|
---|
| 1020 | {
|
---|
| 1021 | ViewCell *viewcell = *it;
|
---|
| 1022 | if (viewcell->GetValid())
|
---|
| 1023 | {
|
---|
| 1024 | // if ray not outside of view space
|
---|
| 1025 | float contribution;
|
---|
[666] | 1026 | if (ray.mTerminationObject &&
|
---|
| 1027 | viewcell->GetPvs().GetSampleContribution(ray.mTerminationObject,
|
---|
[664] | 1028 | ray.mPdf,
|
---|
| 1029 | contribution))
|
---|
| 1030 | {
|
---|
| 1031 | ++ ray.mPvsContribution;
|
---|
| 1032 | ray.mRelativePvsContribution += contribution;
|
---|
| 1033 | }
|
---|
[666] | 1034 | if (ray.mOriginObject &&
|
---|
| 1035 | viewcell->GetPvs().GetSampleContribution(ray.mOriginObject,
|
---|
| 1036 | ray.mPdf,
|
---|
| 1037 | contribution))
|
---|
| 1038 | {
|
---|
| 1039 | ++ ray.mPvsContribution;
|
---|
| 1040 | ray.mRelativePvsContribution += contribution;
|
---|
| 1041 | }
|
---|
[664] | 1042 | }
|
---|
[569] | 1043 | }
|
---|
[564] | 1044 |
|
---|
[664] | 1045 |
|
---|
| 1046 | if (addRays)
|
---|
| 1047 | {
|
---|
| 1048 | for (it = viewcells.begin(); it != viewcells.end(); ++ it)
|
---|
| 1049 | {
|
---|
| 1050 | ViewCell *viewcell = *it;
|
---|
| 1051 |
|
---|
| 1052 | if (viewcell->GetValid())
|
---|
| 1053 | {
|
---|
| 1054 | // if ray not outside of view space
|
---|
[666] | 1055 | if (ray.mTerminationObject)
|
---|
| 1056 | viewcell->GetPvs().AddSample(ray.mTerminationObject, ray.mPdf);
|
---|
| 1057 | if (ray.mOriginObject)
|
---|
| 1058 | viewcell->GetPvs().AddSample(ray.mOriginObject, ray.mPdf);
|
---|
[664] | 1059 | }
|
---|
| 1060 | }
|
---|
[563] | 1061 | }
|
---|
[570] | 1062 |
|
---|
| 1063 | return ray.mRelativePvsContribution;
|
---|
[468] | 1064 | }
|
---|
| 1065 |
|
---|
| 1066 |
|
---|
[469] | 1067 | void ViewCellsManager::GetRaySets(const VssRayContainer &sourceRays,
|
---|
[485] | 1068 | const int maxSize,
|
---|
[503] | 1069 | VssRayContainer &usedRays,
|
---|
[485] | 1070 | VssRayContainer *savedRays) const
|
---|
[469] | 1071 | {
|
---|
[485] | 1072 | const int limit = min(maxSize, (int)sourceRays.size());
|
---|
[473] | 1073 | const float prop = (float)limit / ((float)sourceRays.size() + Limits::Small);
|
---|
[469] | 1074 |
|
---|
[485] | 1075 | VssRayContainer::const_iterator it, it_end = sourceRays.end();
|
---|
[469] | 1076 | for (it = sourceRays.begin(); it != it_end; ++ it)
|
---|
| 1077 | {
|
---|
[473] | 1078 | if (Random(1.0f) < prop)
|
---|
[485] | 1079 | usedRays.push_back(*it);
|
---|
| 1080 | else if (savedRays)
|
---|
| 1081 | savedRays->push_back(*it);
|
---|
[469] | 1082 | }
|
---|
| 1083 | }
|
---|
| 1084 |
|
---|
[477] | 1085 |
|
---|
[605] | 1086 | float ViewCellsManager::GetRendercost(ViewCell *viewCell, float objRendercost) const
|
---|
| 1087 | {
|
---|
| 1088 | return mViewCellsTree->GetPvsSize(viewCell) * objRendercost;
|
---|
| 1089 | }
|
---|
| 1090 |
|
---|
| 1091 |
|
---|
[477] | 1092 | float ViewCellsManager::GetAccVcArea()
|
---|
[470] | 1093 | {
|
---|
| 1094 | // if already computed
|
---|
| 1095 | if (mTotalAreaValid)
|
---|
| 1096 | return mTotalArea;
|
---|
| 1097 |
|
---|
| 1098 | mTotalArea = 0;
|
---|
| 1099 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1100 |
|
---|
| 1101 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
[480] | 1102 | {
|
---|
| 1103 | //Debug << "area: " << GetArea(*it);
|
---|
[470] | 1104 | mTotalArea += GetArea(*it);
|
---|
[480] | 1105 | }
|
---|
| 1106 |
|
---|
[470] | 1107 | mTotalAreaValid = true;
|
---|
| 1108 |
|
---|
| 1109 | return mTotalArea;
|
---|
| 1110 | }
|
---|
| 1111 |
|
---|
[482] | 1112 |
|
---|
[475] | 1113 | void ViewCellsManager::PrintStatistics(ostream &s) const
|
---|
| 1114 | {
|
---|
[660] | 1115 | s << mCurrentViewCellsStats << endl;
|
---|
[475] | 1116 | }
|
---|
| 1117 |
|
---|
[477] | 1118 |
|
---|
[508] | 1119 | void ViewCellsManager::CreateUniqueViewCellIds()
|
---|
[482] | 1120 | {
|
---|
[651] | 1121 | if (ViewCellsTreeConstructed())
|
---|
| 1122 | mViewCellsTree->CreateUniqueViewCellsIds();
|
---|
| 1123 | else
|
---|
| 1124 | for (int i = 0; i < (int)mViewCells.size(); ++ i)
|
---|
| 1125 | mViewCells[i]->SetId(i);
|
---|
[508] | 1126 | }
|
---|
| 1127 |
|
---|
| 1128 |
|
---|
| 1129 | void ViewCellsManager::ExportViewCellsForViz(Exporter *exporter) const
|
---|
| 1130 | {
|
---|
[482] | 1131 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1132 |
|
---|
| 1133 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1134 | {
|
---|
[574] | 1135 | if (!mOnlyValidViewCells || (*it)->GetValid())
|
---|
| 1136 | {
|
---|
[582] | 1137 | ExportColor(exporter, *it);
|
---|
[591] | 1138 | ExportViewCellGeometry(exporter, *it,
|
---|
[660] | 1139 | mUseClipPlaneForViz ? &mClipPlane : NULL);
|
---|
[574] | 1140 | }
|
---|
[482] | 1141 | }
|
---|
[582] | 1142 |
|
---|
[482] | 1143 | }
|
---|
| 1144 |
|
---|
| 1145 |
|
---|
[517] | 1146 | void ViewCellsManager::CreateViewCellMeshes()
|
---|
[503] | 1147 | {
|
---|
| 1148 | // convert to meshes
|
---|
| 1149 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1150 |
|
---|
| 1151 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1152 | {
|
---|
[517] | 1153 | if (!(*it)->GetMesh())
|
---|
| 1154 | CreateMesh(*it);
|
---|
[503] | 1155 | }
|
---|
| 1156 | }
|
---|
| 1157 |
|
---|
[508] | 1158 |
|
---|
[564] | 1159 | bool ViewCellsManager::ExportViewCells(const string filename)
|
---|
| 1160 | {
|
---|
[508] | 1161 | return false;
|
---|
| 1162 | }
|
---|
| 1163 |
|
---|
| 1164 |
|
---|
[610] | 1165 | void ViewCellsManager::CollectViewCells(const int n)
|
---|
[508] | 1166 | {
|
---|
[610] | 1167 | mNumActiveViewCells = n;
|
---|
| 1168 | mViewCells.clear();
|
---|
| 1169 | CollectViewCells();
|
---|
| 1170 | }
|
---|
[508] | 1171 |
|
---|
| 1172 |
|
---|
[660] | 1173 | void ViewCellsManager::SetViewCellsActive()
|
---|
| 1174 | {
|
---|
| 1175 | ++ ViewCell::sLastUpdated;
|
---|
| 1176 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1177 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1178 | {
|
---|
| 1179 | (*it)->SetActive();
|
---|
| 1180 | }
|
---|
| 1181 | }
|
---|
[508] | 1182 |
|
---|
[440] | 1183 | /**********************************************************************/
|
---|
| 1184 | /* BspViewCellsManager implementation */
|
---|
| 1185 | /**********************************************************************/
|
---|
| 1186 |
|
---|
[482] | 1187 |
|
---|
[574] | 1188 | BspViewCellsManager::BspViewCellsManager(BspTree *bspTree):
|
---|
| 1189 | ViewCellsManager(), mBspTree(bspTree)
|
---|
[440] | 1190 | {
|
---|
[574] | 1191 | environment->GetIntValue("BspTree.Construction.samples", mInitialSamples);
|
---|
[587] | 1192 | mBspTree->SetViewCellsManager(this);
|
---|
[590] | 1193 | mBspTree->mViewCellsTree = mViewCellsTree;
|
---|
[440] | 1194 | }
|
---|
| 1195 |
|
---|
[462] | 1196 |
|
---|
[440] | 1197 | bool BspViewCellsManager::ViewCellsConstructed() const
|
---|
| 1198 | {
|
---|
| 1199 | return mBspTree->GetRoot() != NULL;
|
---|
| 1200 | }
|
---|
| 1201 |
|
---|
[480] | 1202 |
|
---|
[440] | 1203 | ViewCell *BspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 1204 | {
|
---|
| 1205 | return new BspViewCell(mesh);
|
---|
| 1206 | }
|
---|
| 1207 |
|
---|
[480] | 1208 |
|
---|
[574] | 1209 | int BspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 1210 | const VssRayContainer &rays)
|
---|
[440] | 1211 | {
|
---|
[441] | 1212 | // if view cells were already constructed
|
---|
[440] | 1213 | if (ViewCellsConstructed())
|
---|
| 1214 | return 0;
|
---|
| 1215 |
|
---|
| 1216 | int sampleContributions = 0;
|
---|
[503] | 1217 |
|
---|
[469] | 1218 | // construct view cells using the collected samples
|
---|
| 1219 | RayContainer constructionRays;
|
---|
| 1220 | VssRayContainer savedRays;
|
---|
[440] | 1221 |
|
---|
[574] | 1222 | const int limit = min(mInitialSamples, (int)rays.size());
|
---|
[440] | 1223 |
|
---|
[469] | 1224 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[448] | 1225 |
|
---|
[473] | 1226 | const float prop = (float)limit / ((float)rays.size() + Limits::Small);
|
---|
| 1227 |
|
---|
[469] | 1228 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 1229 | {
|
---|
[473] | 1230 | if (Random(1.0f) < prop)
|
---|
[469] | 1231 | constructionRays.push_back(new Ray(*(*it)));
|
---|
| 1232 | else
|
---|
| 1233 | savedRays.push_back(*it);
|
---|
| 1234 | }
|
---|
[440] | 1235 |
|
---|
[503] | 1236 | if (mViewCells.empty())
|
---|
| 1237 | {
|
---|
| 1238 | // no view cells loaded
|
---|
[587] | 1239 | mBspTree->Construct(objects, constructionRays, &mViewSpaceBox);
|
---|
[469] | 1240 | // collect final view cells
|
---|
| 1241 | mBspTree->CollectViewCells(mViewCells);
|
---|
[503] | 1242 | }
|
---|
[469] | 1243 | else
|
---|
| 1244 | {
|
---|
| 1245 | mBspTree->Construct(mViewCells);
|
---|
| 1246 | }
|
---|
| 1247 |
|
---|
| 1248 | // destroy rays created only for construction
|
---|
| 1249 | CLEAR_CONTAINER(constructionRays);
|
---|
| 1250 |
|
---|
[440] | 1251 | Debug << mBspTree->GetStatistics() << endl;
|
---|
[503] | 1252 |
|
---|
| 1253 | //EvaluateViewCellsStats();
|
---|
[660] | 1254 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[480] | 1255 |
|
---|
[469] | 1256 | // recast rest of the rays
|
---|
[649] | 1257 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 1258 | ComputeSampleContributions(savedRays, true, false);
|
---|
[469] | 1259 |
|
---|
[440] | 1260 | return sampleContributions;
|
---|
| 1261 | }
|
---|
| 1262 |
|
---|
[503] | 1263 |
|
---|
[480] | 1264 | void BspViewCellsManager::CollectViewCells()
|
---|
| 1265 | {
|
---|
[587] | 1266 | // view cells tree constructed
|
---|
| 1267 | if (!ViewCellsTreeConstructed())
|
---|
[591] | 1268 | {
|
---|
[587] | 1269 | mBspTree->CollectViewCells(mViewCells);
|
---|
| 1270 | }
|
---|
| 1271 | else
|
---|
| 1272 | {
|
---|
| 1273 | // we can use the view cells tree hierarchy to get the right set
|
---|
[591] | 1274 | mViewCellsTree->CollectBestViewCellSet(mViewCells,
|
---|
[600] | 1275 | mNumActiveViewCells);
|
---|
[587] | 1276 | }
|
---|
[480] | 1277 | }
|
---|
[468] | 1278 |
|
---|
[503] | 1279 |
|
---|
[471] | 1280 | float BspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[440] | 1281 | {
|
---|
[471] | 1282 | // compute view cell area as subsititute for probability
|
---|
[591] | 1283 | if (1)
|
---|
| 1284 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
| 1285 | else
|
---|
| 1286 | return GetArea(viewCell) / GetAccVcArea();
|
---|
[466] | 1287 | }
|
---|
[440] | 1288 |
|
---|
[503] | 1289 |
|
---|
[440] | 1290 |
|
---|
[468] | 1291 | int BspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 1292 | const Vector3 &termination,
|
---|
| 1293 | ViewCellContainer &viewcells)
|
---|
[440] | 1294 | {
|
---|
[468] | 1295 | return mBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
| 1296 | }
|
---|
| 1297 |
|
---|
| 1298 |
|
---|
[503] | 1299 | int BspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[468] | 1300 | const VssRayContainer &rays)
|
---|
| 1301 | {
|
---|
[469] | 1302 | if (!ViewCellsConstructed())
|
---|
[441] | 1303 | {
|
---|
| 1304 | Debug << "view cells not constructed" << endl;
|
---|
| 1305 | return 0;
|
---|
| 1306 | }
|
---|
[590] | 1307 |
|
---|
| 1308 | // view cells already finished before post processing step (i.e. because they were loaded)
|
---|
| 1309 | if (mViewCellsFinished)
|
---|
| 1310 | {
|
---|
| 1311 | FinalizeViewCells(true);
|
---|
| 1312 | EvaluateViewCellsStats();
|
---|
| 1313 |
|
---|
| 1314 | return 0;
|
---|
| 1315 | }
|
---|
| 1316 |
|
---|
[440] | 1317 | //-- post processing of bsp view cells
|
---|
[600] | 1318 |
|
---|
[440] | 1319 | int vcSize = 0;
|
---|
| 1320 | int pvsSize = 0;
|
---|
| 1321 |
|
---|
[591] | 1322 | //-- merge view cells
|
---|
[649] | 1323 | cout << "starting post processing using " << mPostProcessSamples << " samples ... ";
|
---|
| 1324 | long startTime = GetTime();
|
---|
| 1325 |
|
---|
| 1326 | VssRayContainer postProcessRays;
|
---|
| 1327 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 1328 |
|
---|
[592] | 1329 | if (mMergeViewCells)
|
---|
[591] | 1330 | {
|
---|
[660] | 1331 | cout << "constructing visibility based merge tree" << endl;
|
---|
[650] | 1332 | mViewCellsTree->ConstructMergeTree(rays, objects);
|
---|
[649] | 1333 | }
|
---|
| 1334 | else
|
---|
| 1335 | {
|
---|
[660] | 1336 | cout << "constructing spatial merge tree" << endl;
|
---|
[649] | 1337 | // create spatial merge hierarchy
|
---|
[650] | 1338 | mViewCellsTree->SetRoot(ConstructSpatialMergeTree(mBspTree->GetRoot()));
|
---|
[649] | 1339 | }
|
---|
[440] | 1340 |
|
---|
[660] | 1341 | // export statistics after merge
|
---|
[666] | 1342 | if (1)
|
---|
| 1343 | {
|
---|
| 1344 | char mstats[100];
|
---|
| 1345 | environment->GetStringValue("ViewCells.mergeStats", mstats);
|
---|
| 1346 | mViewCellsTree->ExportStats(mstats);
|
---|
| 1347 | }
|
---|
[650] | 1348 |
|
---|
[649] | 1349 | //-- stats and visualizations
|
---|
| 1350 | cout << "finished" << endl;
|
---|
[650] | 1351 | cout << "merged view cells in "
|
---|
[649] | 1352 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
[440] | 1353 |
|
---|
[650] | 1354 | Debug << "Postprocessing: Merged view cells in "
|
---|
[649] | 1355 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
| 1356 |
|
---|
[503] | 1357 |
|
---|
[660] | 1358 | //-- visualization and statistics
|
---|
[600] | 1359 | // reset view cells and stats
|
---|
[480] | 1360 | ResetViewCells();
|
---|
[660] | 1361 | Debug << "\nView cells after merge:\n" << mCurrentViewCellsStats << endl;
|
---|
[600] | 1362 |
|
---|
[660] | 1363 |
|
---|
[600] | 1364 | int savedColorCode = mColorCode;
|
---|
[605] | 1365 |
|
---|
[600] | 1366 | //BspLeaf::NewMail();
|
---|
| 1367 | if (1) // export merged view cells
|
---|
| 1368 | {
|
---|
| 1369 | mColorCode = 0;
|
---|
[605] | 1370 |
|
---|
[600] | 1371 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
|
---|
[605] | 1372 |
|
---|
[600] | 1373 |
|
---|
| 1374 | cout << "exporting view cells after merge ... ";
|
---|
| 1375 |
|
---|
| 1376 | if (exporter)
|
---|
| 1377 | {
|
---|
| 1378 | if (mExportGeometry)
|
---|
| 1379 | exporter->ExportGeometry(objects);
|
---|
| 1380 |
|
---|
| 1381 | //exporter->SetWireframe();
|
---|
| 1382 | exporter->SetFilled();
|
---|
| 1383 | ExportViewCellsForViz(exporter);
|
---|
| 1384 |
|
---|
| 1385 |
|
---|
| 1386 | delete exporter;
|
---|
| 1387 | }
|
---|
| 1388 | cout << "finished" << endl;
|
---|
| 1389 | }
|
---|
| 1390 |
|
---|
| 1391 | if (1) // export merged view cells
|
---|
| 1392 | {
|
---|
| 1393 | mColorCode = 1;
|
---|
| 1394 |
|
---|
| 1395 | Exporter *exporter = Exporter::GetExporter("merged_view_cells_pvs.x3d");
|
---|
| 1396 |
|
---|
| 1397 | cout << "exporting view cells after merge (pvs size) ... ";
|
---|
| 1398 |
|
---|
| 1399 | if (exporter)
|
---|
| 1400 | {
|
---|
| 1401 | //exporter->SetWireframe();
|
---|
| 1402 |
|
---|
| 1403 | if (mExportGeometry)
|
---|
| 1404 | exporter->ExportGeometry(objects);
|
---|
| 1405 |
|
---|
| 1406 | //exporter->SetWireframe();
|
---|
| 1407 | exporter->SetFilled();
|
---|
| 1408 | ExportViewCellsForViz(exporter);
|
---|
| 1409 |
|
---|
| 1410 | delete exporter;
|
---|
| 1411 | }
|
---|
| 1412 | cout << "finished" << endl;
|
---|
| 1413 | }
|
---|
| 1414 |
|
---|
| 1415 | mColorCode = savedColorCode;
|
---|
| 1416 |
|
---|
[587] | 1417 | FinalizeViewCells(true);
|
---|
| 1418 |
|
---|
| 1419 | // write view cells to disc
|
---|
| 1420 | if (mExportViewCells)
|
---|
| 1421 | {
|
---|
| 1422 | char buff[100];
|
---|
| 1423 | environment->GetStringValue("ViewCells.filename", buff);
|
---|
| 1424 | string vcFilename(buff);
|
---|
| 1425 |
|
---|
| 1426 | ExportViewCells(buff);
|
---|
| 1427 | }
|
---|
| 1428 |
|
---|
[650] | 1429 | return 0;
|
---|
[440] | 1430 | }
|
---|
| 1431 |
|
---|
[477] | 1432 |
|
---|
| 1433 | BspViewCellsManager::~BspViewCellsManager()
|
---|
| 1434 | {
|
---|
| 1435 | }
|
---|
| 1436 |
|
---|
| 1437 |
|
---|
[440] | 1438 | int BspViewCellsManager::GetType() const
|
---|
| 1439 | {
|
---|
| 1440 | return BSP;
|
---|
| 1441 | }
|
---|
| 1442 |
|
---|
| 1443 |
|
---|
| 1444 | void BspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 1445 | const VssRayContainer &sampleRays)
|
---|
[440] | 1446 | {
|
---|
[469] | 1447 | if (!ViewCellsConstructed())
|
---|
| 1448 | return;
|
---|
[574] | 1449 |
|
---|
[600] | 1450 | int savedColorCode = mColorCode;
|
---|
| 1451 |
|
---|
| 1452 |
|
---|
| 1453 |
|
---|
| 1454 | if (1) // export final view cells
|
---|
[440] | 1455 | {
|
---|
[600] | 1456 | mColorCode = 1;
|
---|
[587] | 1457 |
|
---|
[600] | 1458 | Exporter *exporter = Exporter::GetExporter("final_view_cells.x3d");
|
---|
| 1459 |
|
---|
| 1460 | cout << "exporting view cells after merge (pvs size) ... ";
|
---|
[587] | 1461 |
|
---|
[469] | 1462 | if (exporter)
|
---|
[440] | 1463 | {
|
---|
[600] | 1464 | //exporter->SetWireframe();
|
---|
| 1465 |
|
---|
| 1466 | if (mExportGeometry)
|
---|
| 1467 | exporter->ExportGeometry(objects);
|
---|
[590] | 1468 |
|
---|
[600] | 1469 | //exporter->SetWireframe();
|
---|
| 1470 | exporter->SetFilled();
|
---|
[508] | 1471 | ExportViewCellsForViz(exporter);
|
---|
[587] | 1472 |
|
---|
[469] | 1473 | delete exporter;
|
---|
[440] | 1474 | }
|
---|
[469] | 1475 | cout << "finished" << endl;
|
---|
[503] | 1476 | }
|
---|
[477] | 1477 |
|
---|
[600] | 1478 | mColorCode = savedColorCode;
|
---|
| 1479 |
|
---|
[469] | 1480 | //-- visualization of the BSP splits
|
---|
| 1481 | bool exportSplits = false;
|
---|
| 1482 | environment->GetBoolValue("BspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 1483 |
|
---|
[469] | 1484 | if (exportSplits)
|
---|
[440] | 1485 | {
|
---|
[469] | 1486 | cout << "exporting splits ... ";
|
---|
[477] | 1487 | ExportSplits(objects);
|
---|
[469] | 1488 | cout << "finished" << endl;
|
---|
[440] | 1489 | }
|
---|
[477] | 1490 |
|
---|
[600] | 1491 | // export single view cells
|
---|
[477] | 1492 | ExportBspPvs(objects);
|
---|
[440] | 1493 | }
|
---|
| 1494 |
|
---|
| 1495 |
|
---|
[503] | 1496 | inline bool vc_gt(ViewCell *a, ViewCell *b)
|
---|
| 1497 | {
|
---|
[440] | 1498 | return a->GetPvs().GetSize() > b->GetPvs().GetSize();
|
---|
| 1499 | }
|
---|
| 1500 |
|
---|
[477] | 1501 |
|
---|
| 1502 | void BspViewCellsManager::ExportSplits(const ObjectContainer &objects)
|
---|
[440] | 1503 | {
|
---|
| 1504 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 1505 |
|
---|
[503] | 1506 | if (exporter)
|
---|
| 1507 | {
|
---|
[598] | 1508 | //exporter->SetFilled();
|
---|
| 1509 |
|
---|
| 1510 | if (mExportGeometry)
|
---|
| 1511 | exporter->ExportGeometry(objects);
|
---|
| 1512 |
|
---|
[503] | 1513 | Material m;
|
---|
[440] | 1514 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1515 | exporter->SetForcedMaterial(m);
|
---|
| 1516 | exporter->SetWireframe();
|
---|
[503] | 1517 |
|
---|
[440] | 1518 | exporter->ExportBspSplits(*mBspTree, true);
|
---|
| 1519 |
|
---|
[482] | 1520 | //NOTE: take forced material, else big scenes cannot be viewed
|
---|
[440] | 1521 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1522 | exporter->SetForcedMaterial(m);
|
---|
[482] | 1523 | //exporter->ResetForcedMaterial();
|
---|
| 1524 |
|
---|
[440] | 1525 | delete exporter;
|
---|
| 1526 | }
|
---|
| 1527 | }
|
---|
| 1528 |
|
---|
[477] | 1529 |
|
---|
| 1530 | void BspViewCellsManager::ExportBspPvs(const ObjectContainer &objects)
|
---|
[440] | 1531 | {
|
---|
[477] | 1532 | const int leafOut = 10;
|
---|
[503] | 1533 |
|
---|
[477] | 1534 | ViewCell::NewMail();
|
---|
[440] | 1535 |
|
---|
[477] | 1536 | //-- some rays for output
|
---|
| 1537 | const int raysOut = min((int)mBspRays.size(), mVisualizationSamples);
|
---|
[503] | 1538 |
|
---|
[477] | 1539 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
| 1540 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 1541 |
|
---|
[478] | 1542 | // sort view cells to get largest view cells
|
---|
[587] | 1543 | if (0)
|
---|
| 1544 | stable_sort(mViewCells.begin(), mViewCells.end(), vc_gt);
|
---|
| 1545 |
|
---|
[503] | 1546 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
| 1547 |
|
---|
[478] | 1548 | for (int i = 0; i < limit; ++ i)
|
---|
[477] | 1549 | {
|
---|
[478] | 1550 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 1551 | VssRayContainer vcRays;
|
---|
| 1552 | Intersectable::NewMail();
|
---|
[582] | 1553 | ViewCell *vc;
|
---|
| 1554 |
|
---|
| 1555 | if (0)
|
---|
| 1556 | vc = mViewCells[i];
|
---|
| 1557 | else
|
---|
| 1558 | vc = mViewCells[Random((int)mViewCells.size())];
|
---|
| 1559 |
|
---|
[478] | 1560 | cout << "creating output for view cell " << i << " ... ";
|
---|
[469] | 1561 |
|
---|
[587] | 1562 | if(0)
|
---|
[477] | 1563 | {
|
---|
[587] | 1564 | // check whether we can add the current ray to the output rays
|
---|
| 1565 | for (int k = 0; k < raysOut; ++ k)
|
---|
[477] | 1566 | {
|
---|
[587] | 1567 | BspRay *ray = mBspRays[k];
|
---|
| 1568 | for (int j = 0; j < (int)ray->intersections.size(); ++ j)
|
---|
| 1569 | {
|
---|
| 1570 | BspLeaf *leaf = ray->intersections[j].mLeaf;
|
---|
| 1571 | if (vc == leaf->GetViewCell())
|
---|
| 1572 | vcRays.push_back(ray->vssRay);
|
---|
| 1573 | }
|
---|
[477] | 1574 | }
|
---|
| 1575 | }
|
---|
[587] | 1576 |
|
---|
[478] | 1577 | //bspLeaves[j]->Mail();
|
---|
| 1578 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
[477] | 1579 |
|
---|
[478] | 1580 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 1581 |
|
---|
[478] | 1582 | exporter->SetWireframe();
|
---|
[477] | 1583 |
|
---|
[478] | 1584 | Material m;//= RandomMaterial();
|
---|
| 1585 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1586 | exporter->SetForcedMaterial(m);
|
---|
[477] | 1587 |
|
---|
[587] | 1588 | ExportViewCellGeometry(exporter, vc);
|
---|
| 1589 |
|
---|
[478] | 1590 | // export rays piercing this view cell
|
---|
| 1591 | exporter->ExportRays(vcRays, RgbColor(0, 1, 0));
|
---|
[580] | 1592 |
|
---|
[478] | 1593 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1594 | exporter->SetForcedMaterial(m);
|
---|
[440] | 1595 |
|
---|
[478] | 1596 | ObjectPvsMap::const_iterator it,
|
---|
| 1597 | it_end = vc->GetPvs().mEntries.end();
|
---|
[440] | 1598 |
|
---|
[478] | 1599 | exporter->SetFilled();
|
---|
[469] | 1600 |
|
---|
[478] | 1601 | // output PVS of view cell
|
---|
[503] | 1602 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[478] | 1603 | {
|
---|
| 1604 | Intersectable *intersect = (*it).first;
|
---|
[469] | 1605 |
|
---|
[478] | 1606 | if (!intersect->Mailed())
|
---|
| 1607 | {
|
---|
| 1608 | Material m = RandomMaterial();
|
---|
| 1609 | exporter->SetForcedMaterial(m);
|
---|
| 1610 |
|
---|
| 1611 | exporter->ExportIntersectable(intersect);
|
---|
| 1612 | intersect->Mail();
|
---|
[503] | 1613 | }
|
---|
[477] | 1614 | }
|
---|
[503] | 1615 |
|
---|
[478] | 1616 | DEL_PTR(exporter);
|
---|
| 1617 | cout << "finished" << endl;
|
---|
[477] | 1618 | }
|
---|
| 1619 |
|
---|
| 1620 | Debug << endl;
|
---|
[440] | 1621 | }
|
---|
| 1622 |
|
---|
[441] | 1623 |
|
---|
[503] | 1624 | void BspViewCellsManager::ExportColor(Exporter *exporter,
|
---|
[482] | 1625 | ViewCell *vc) const
|
---|
| 1626 | {
|
---|
[600] | 1627 | const bool vcValid = CheckValidity(vc, mMinPvsSize, mMaxPvsSize);
|
---|
[482] | 1628 |
|
---|
| 1629 | float importance = 0;
|
---|
[598] | 1630 | static Material m;
|
---|
[482] | 1631 |
|
---|
| 1632 | switch (mColorCode)
|
---|
| 1633 | {
|
---|
[598] | 1634 | case 0: // Random
|
---|
| 1635 | {
|
---|
| 1636 | if (vcValid)
|
---|
| 1637 | {
|
---|
| 1638 | m.mDiffuseColor.r = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
| 1639 | m.mDiffuseColor.g = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
[600] | 1640 | m.mDiffuseColor.b = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
[598] | 1641 | }
|
---|
| 1642 | else
|
---|
| 1643 | {
|
---|
| 1644 | m.mDiffuseColor.r = 0.0f;
|
---|
| 1645 | m.mDiffuseColor.g = 1.0f;
|
---|
| 1646 | m.mDiffuseColor.b = 0.0f;
|
---|
| 1647 | }
|
---|
| 1648 |
|
---|
| 1649 | exporter->SetForcedMaterial(m);
|
---|
| 1650 | return;
|
---|
| 1651 | }
|
---|
| 1652 |
|
---|
[482] | 1653 | case 1: // pvs
|
---|
| 1654 | {
|
---|
[503] | 1655 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[660] | 1656 | (float)mCurrentViewCellsStats.maxPvs;
|
---|
[598] | 1657 |
|
---|
[482] | 1658 | }
|
---|
| 1659 | break;
|
---|
| 1660 | case 2: // merges
|
---|
| 1661 | {
|
---|
[598] | 1662 | int lSize = mViewCellsTree->GetSize(vc);
|
---|
[660] | 1663 | importance = (float)lSize / (float)mCurrentViewCellsStats.maxLeaves;
|
---|
[482] | 1664 | }
|
---|
[598] | 1665 | //break;
|
---|
[482] | 1666 | case 3: // merge tree differene
|
---|
| 1667 | {
|
---|
| 1668 | // TODO
|
---|
[598] | 1669 | //importance = (float)GetMaxTreeDiff(vc) /
|
---|
| 1670 | // (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
| 1671 |
|
---|
[482] | 1672 | }
|
---|
| 1673 | break;
|
---|
| 1674 | default:
|
---|
| 1675 | break;
|
---|
| 1676 | }
|
---|
| 1677 |
|
---|
[598] | 1678 | // special color code for invalid view cells
|
---|
[482] | 1679 | m.mDiffuseColor.r = importance;
|
---|
| 1680 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
[598] | 1681 | m.mDiffuseColor.b = vcValid ? 1.0f : 0.0f;
|
---|
[503] | 1682 |
|
---|
[598] | 1683 | //Debug << "importance: " << importance << endl;
|
---|
[482] | 1684 | exporter->SetForcedMaterial(m);
|
---|
| 1685 | }
|
---|
| 1686 |
|
---|
[587] | 1687 |
|
---|
[580] | 1688 | void BspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 1689 | ViewCell *vc,
|
---|
[660] | 1690 | const Plane3 *clipPlane) const
|
---|
[482] | 1691 | {
|
---|
| 1692 | if (vc->GetMesh())
|
---|
| 1693 | {
|
---|
[587] | 1694 | exporter->ExportMesh(vc->GetMesh());
|
---|
| 1695 | return;
|
---|
[482] | 1696 | }
|
---|
[587] | 1697 |
|
---|
| 1698 | BspNodeGeometry geom;
|
---|
| 1699 | mBspTree->ConstructGeometry(vc, geom);
|
---|
[591] | 1700 |
|
---|
[660] | 1701 | if (clipPlane)
|
---|
[591] | 1702 | {
|
---|
| 1703 | BspNodeGeometry front;
|
---|
| 1704 | BspNodeGeometry back;
|
---|
| 1705 |
|
---|
| 1706 | geom.SplitGeometry(front,
|
---|
| 1707 | back,
|
---|
[660] | 1708 | *clipPlane,
|
---|
[591] | 1709 | mViewSpaceBox,
|
---|
[600] | 1710 | 0.0001f);
|
---|
[591] | 1711 |
|
---|
[600] | 1712 | if ((int)back.mPolys.size() >= 3)
|
---|
| 1713 | exporter->ExportPolygons(back.mPolys);
|
---|
[591] | 1714 | }
|
---|
| 1715 | else
|
---|
| 1716 | {
|
---|
[600] | 1717 |
|
---|
[591] | 1718 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 1719 | }
|
---|
[482] | 1720 | }
|
---|
| 1721 |
|
---|
[503] | 1722 |
|
---|
| 1723 | void BspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 1724 | {
|
---|
[587] | 1725 | if (vc->GetMesh())
|
---|
| 1726 | delete vc->GetMesh();
|
---|
| 1727 |
|
---|
| 1728 | BspNodeGeometry geom;
|
---|
| 1729 |
|
---|
| 1730 | mBspTree->ConstructGeometry(vc, geom);
|
---|
| 1731 |
|
---|
| 1732 | Mesh *mesh = new Mesh();
|
---|
| 1733 | geom.AddToMesh(*mesh);
|
---|
| 1734 | vc->SetMesh(mesh);
|
---|
| 1735 | mMeshContainer.push_back(mesh);
|
---|
[503] | 1736 | }
|
---|
| 1737 |
|
---|
[551] | 1738 |
|
---|
[587] | 1739 | void BspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 1740 | const bool createMesh)
|
---|
[502] | 1741 | {
|
---|
[587] | 1742 | CreateMesh(viewCell);
|
---|
[572] | 1743 |
|
---|
[587] | 1744 | float area = 0;
|
---|
| 1745 | float volume = 0;
|
---|
[572] | 1746 |
|
---|
[587] | 1747 | ViewCellContainer leaves;
|
---|
| 1748 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
| 1749 |
|
---|
| 1750 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 1751 |
|
---|
| 1752 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 1753 | {
|
---|
| 1754 | BspNodeGeometry geom;
|
---|
| 1755 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 1756 | mBspTree->ConstructGeometry(leaf, geom);
|
---|
| 1757 |
|
---|
| 1758 | area += geom.GetArea();
|
---|
| 1759 | volume += geom.GetVolume();
|
---|
| 1760 | }
|
---|
| 1761 |
|
---|
| 1762 | viewCell->SetVolume(volume);
|
---|
| 1763 | viewCell->SetArea(area);
|
---|
[502] | 1764 | }
|
---|
| 1765 |
|
---|
[580] | 1766 |
|
---|
[587] | 1767 | ViewCell *BspViewCellsManager::GetViewCell(const Vector3 &point) const
|
---|
[580] | 1768 | {
|
---|
[587] | 1769 | if (!mBspTree)
|
---|
| 1770 | return NULL;
|
---|
| 1771 |
|
---|
| 1772 | if (!mViewSpaceBox.IsInside(point))
|
---|
| 1773 | return NULL;
|
---|
| 1774 |
|
---|
| 1775 | return mBspTree->GetViewCell(point);
|
---|
[580] | 1776 | }
|
---|
| 1777 |
|
---|
| 1778 |
|
---|
[587] | 1779 | void BspViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 1780 | vector<MergeCandidate> &candidates)
|
---|
| 1781 | {
|
---|
| 1782 | cout << "collecting merge candidates ... " << endl;
|
---|
| 1783 |
|
---|
| 1784 | if (mUseRaysForMerge)
|
---|
| 1785 | {
|
---|
| 1786 | mBspTree->CollectMergeCandidates(rays, candidates);
|
---|
| 1787 | }
|
---|
| 1788 | else
|
---|
| 1789 | {
|
---|
| 1790 | vector<BspLeaf *> leaves;
|
---|
| 1791 | mBspTree->CollectLeaves(leaves);
|
---|
| 1792 | mBspTree->CollectMergeCandidates(leaves, candidates);
|
---|
| 1793 | }
|
---|
| 1794 |
|
---|
| 1795 | cout << "fininshed collecting candidates" << endl;
|
---|
| 1796 | }
|
---|
| 1797 |
|
---|
| 1798 |
|
---|
[440] | 1799 |
|
---|
[590] | 1800 | bool BspViewCellsManager::ExportViewCells(const string filename)
|
---|
| 1801 | {
|
---|
| 1802 | cout << "exporting view cells to xml ... ";
|
---|
| 1803 | std::ofstream stream;
|
---|
[503] | 1804 |
|
---|
[590] | 1805 | // for output we need unique ids for each view cell
|
---|
| 1806 | CreateUniqueViewCellIds();
|
---|
[503] | 1807 |
|
---|
[590] | 1808 |
|
---|
| 1809 | stream.open(filename.c_str());
|
---|
| 1810 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 1811 | stream << "<Visibility_Solution>" << endl;
|
---|
| 1812 |
|
---|
| 1813 | //-- the view space bounding box
|
---|
| 1814 | stream << "<ViewSpaceBox"
|
---|
| 1815 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
| 1816 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\" />" << endl;
|
---|
| 1817 |
|
---|
| 1818 | //-- the type of the view cells hierarchy
|
---|
| 1819 | //stream << "<Hierarchy name=\"bspTree\" />" << endl;
|
---|
| 1820 | stream << "<Hierarchy name=\"vspBspTree\" />" << endl; // write vsp bsp here because can use same tree and is bug free
|
---|
| 1821 | //-- load the view cells itself, i.e., the ids and the pvs
|
---|
| 1822 | stream << "<ViewCells>" << endl;
|
---|
[610] | 1823 |
|
---|
| 1824 | #if 0
|
---|
| 1825 |
|
---|
[590] | 1826 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
[610] | 1827 |
|
---|
[590] | 1828 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1829 | ExportViewCell(*it, stream);
|
---|
[610] | 1830 | #else
|
---|
| 1831 | mViewCellsTree->Export(stream);
|
---|
| 1832 | #endif
|
---|
[590] | 1833 |
|
---|
| 1834 | stream << "</ViewCells>" << endl;
|
---|
| 1835 |
|
---|
| 1836 | //-- load the hierarchy
|
---|
| 1837 | stream << "<Hierarchy>" << endl;
|
---|
| 1838 | mBspTree->Export(stream);
|
---|
| 1839 | stream << endl << "</Hierarchy>" << endl;
|
---|
| 1840 |
|
---|
| 1841 | stream << "</Visibility_Solution>" << endl;
|
---|
| 1842 | stream.close();
|
---|
| 1843 |
|
---|
| 1844 | cout << "finished" << endl;
|
---|
| 1845 |
|
---|
| 1846 | return true;
|
---|
| 1847 | }
|
---|
| 1848 |
|
---|
| 1849 |
|
---|
| 1850 | void BspViewCellsManager::AddCurrentViewCellsToHierarchy()
|
---|
| 1851 | {
|
---|
| 1852 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1853 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1854 | {
|
---|
| 1855 | ViewCell *vc = *it;
|
---|
| 1856 | ViewCellContainer leaves;
|
---|
| 1857 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 1858 |
|
---|
| 1859 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 1860 |
|
---|
| 1861 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
| 1862 | {
|
---|
| 1863 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(*lit);
|
---|
| 1864 | bspVc->mLeaf->SetViewCell(vc);
|
---|
| 1865 | }
|
---|
| 1866 | }
|
---|
| 1867 | }
|
---|
| 1868 |
|
---|
[610] | 1869 |
|
---|
[650] | 1870 | ViewCell *BspViewCellsManager::ConstructSpatialMergeTree(BspNode *root)
|
---|
[610] | 1871 | {
|
---|
[650] | 1872 | if (root->IsLeaf())
|
---|
| 1873 | {
|
---|
| 1874 | ViewCell *viewCell = dynamic_cast<BspLeaf *>(root)->GetViewCell();
|
---|
[610] | 1875 |
|
---|
[650] | 1876 | viewCell->SetMergeCost(0.0f);
|
---|
[610] | 1877 |
|
---|
[650] | 1878 | return viewCell;
|
---|
| 1879 | }
|
---|
| 1880 |
|
---|
| 1881 | BspInterior *interior = dynamic_cast<BspInterior *>(root);
|
---|
| 1882 | ViewCellInterior *viewCellInterior = new ViewCellInterior();
|
---|
| 1883 |
|
---|
| 1884 | float mergeCost = 1.0f / (float)root->mTimeStamp;
|
---|
| 1885 | //Debug << "timestamp: " << root->mTimeStamp;
|
---|
| 1886 | //Debug << "merge cost: " << mergeCost << endl;
|
---|
[649] | 1887 |
|
---|
[650] | 1888 | viewCellInterior->SetMergeCost(mergeCost);
|
---|
[649] | 1889 |
|
---|
[650] | 1890 | float volume = 0;
|
---|
[649] | 1891 |
|
---|
[650] | 1892 | BspNode *front = interior->GetFront();
|
---|
| 1893 | BspNode *back = interior->GetBack();
|
---|
[649] | 1894 |
|
---|
[650] | 1895 | // recursivly compute child hierarchies
|
---|
| 1896 | ViewCell *backVc = ConstructSpatialMergeTree(back);
|
---|
| 1897 | ViewCell *frontVc = ConstructSpatialMergeTree(front);
|
---|
[610] | 1898 |
|
---|
[650] | 1899 | viewCellInterior->SetupChildLink(frontVc);
|
---|
| 1900 | viewCellInterior->SetupChildLink(backVc);
|
---|
[610] | 1901 |
|
---|
[649] | 1902 |
|
---|
[650] | 1903 | viewCellInterior->GetPvs().Merge(backVc->GetPvs());
|
---|
| 1904 | viewCellInterior->GetPvs().Merge(frontVc->GetPvs());
|
---|
[649] | 1905 |
|
---|
[650] | 1906 | volume += backVc->GetVolume();
|
---|
| 1907 | volume += frontVc->GetVolume();
|
---|
[649] | 1908 |
|
---|
[650] | 1909 | viewCellInterior->SetVolume(volume);
|
---|
[649] | 1910 |
|
---|
[650] | 1911 | return viewCellInterior;
|
---|
[610] | 1912 | }
|
---|
| 1913 |
|
---|
[650] | 1914 |
|
---|
[590] | 1915 | /************************************************************************/
|
---|
| 1916 | /* KdViewCellsManager implementation */
|
---|
| 1917 | /************************************************************************/
|
---|
| 1918 |
|
---|
| 1919 |
|
---|
| 1920 |
|
---|
[440] | 1921 | KdViewCellsManager::KdViewCellsManager(KdTree *kdTree):
|
---|
[469] | 1922 | ViewCellsManager(), mKdTree(kdTree), mKdPvsDepth(100)
|
---|
[440] | 1923 | {
|
---|
| 1924 | }
|
---|
| 1925 |
|
---|
[605] | 1926 |
|
---|
[471] | 1927 | float KdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 1928 | {
|
---|
[479] | 1929 | // compute view cell area / volume as subsititute for probability
|
---|
[605] | 1930 | if (0)
|
---|
| 1931 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
| 1932 | else
|
---|
| 1933 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
[468] | 1934 | }
|
---|
| 1935 |
|
---|
| 1936 |
|
---|
| 1937 |
|
---|
[479] | 1938 |
|
---|
[480] | 1939 | void KdViewCellsManager::CollectViewCells()
|
---|
| 1940 | {
|
---|
| 1941 | //mKdTree->CollectViewCells(mViewCells); TODO
|
---|
| 1942 | }
|
---|
[479] | 1943 |
|
---|
[519] | 1944 |
|
---|
[574] | 1945 | int KdViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 1946 | const VssRayContainer &rays)
|
---|
[440] | 1947 | {
|
---|
[441] | 1948 | // if view cells already constructed
|
---|
[440] | 1949 | if (ViewCellsConstructed())
|
---|
| 1950 | return 0;
|
---|
[441] | 1951 |
|
---|
[440] | 1952 | mKdTree->Construct();
|
---|
| 1953 |
|
---|
[480] | 1954 | mTotalAreaValid = false;
|
---|
[469] | 1955 | // create the view cells
|
---|
| 1956 | mKdTree->CreateAndCollectViewCells(mViewCells);
|
---|
[503] | 1957 |
|
---|
[480] | 1958 | // cast rays
|
---|
[574] | 1959 | ComputeSampleContributions(rays, true, false);
|
---|
[480] | 1960 |
|
---|
[479] | 1961 | EvaluateViewCellsStats();
|
---|
[660] | 1962 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[469] | 1963 |
|
---|
[440] | 1964 | return 0;
|
---|
| 1965 | }
|
---|
| 1966 |
|
---|
[587] | 1967 |
|
---|
[440] | 1968 | bool KdViewCellsManager::ViewCellsConstructed() const
|
---|
| 1969 | {
|
---|
| 1970 | return mKdTree->GetRoot() != NULL;
|
---|
| 1971 | }
|
---|
| 1972 |
|
---|
[503] | 1973 | int KdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 1974 | const VssRayContainer &rays)
|
---|
[440] | 1975 | {
|
---|
| 1976 | return 0;
|
---|
| 1977 | }
|
---|
| 1978 |
|
---|
| 1979 | void KdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 1980 | const VssRayContainer &sampleRays)
|
---|
[440] | 1981 | {
|
---|
[441] | 1982 | if (!ViewCellsConstructed())
|
---|
| 1983 | return;
|
---|
| 1984 |
|
---|
[469] | 1985 | // using view cells instead of the kd PVS of objects
|
---|
| 1986 | const bool useViewCells = true;
|
---|
| 1987 | bool exportRays = false;
|
---|
[440] | 1988 |
|
---|
| 1989 | int limit = min(mVisualizationSamples, (int)sampleRays.size());
|
---|
[469] | 1990 | const int pvsOut = min((int)objects.size(), 10);
|
---|
[466] | 1991 | VssRayContainer *rays = new VssRayContainer[pvsOut];
|
---|
[440] | 1992 |
|
---|
[469] | 1993 | if (useViewCells)
|
---|
[440] | 1994 | {
|
---|
[469] | 1995 | const int leafOut = 10;
|
---|
[503] | 1996 |
|
---|
[469] | 1997 | ViewCell::NewMail();
|
---|
[503] | 1998 |
|
---|
[469] | 1999 | //-- some rays for output
|
---|
| 2000 | const int raysOut = min((int)sampleRays.size(), mVisualizationSamples);
|
---|
| 2001 | Debug << "visualization using " << raysOut << " samples" << endl;
|
---|
| 2002 |
|
---|
| 2003 | //-- some random view cells and rays for output
|
---|
| 2004 | vector<KdLeaf *> kdLeaves;
|
---|
[503] | 2005 |
|
---|
[469] | 2006 | for (int i = 0; i < leafOut; ++ i)
|
---|
| 2007 | kdLeaves.push_back(dynamic_cast<KdLeaf *>(mKdTree->GetRandomLeaf()));
|
---|
[503] | 2008 |
|
---|
[469] | 2009 | for (int i = 0; i < kdLeaves.size(); ++ i)
|
---|
[440] | 2010 | {
|
---|
[469] | 2011 | KdLeaf *leaf = kdLeaves[i];
|
---|
| 2012 | RayContainer vcRays;
|
---|
[503] | 2013 |
|
---|
[469] | 2014 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 2015 | #if 0
|
---|
[469] | 2016 | // check whether we can add the current ray to the output rays
|
---|
[503] | 2017 | for (int k = 0; k < raysOut; ++ k)
|
---|
[440] | 2018 | {
|
---|
[469] | 2019 | Ray *ray = sampleRays[k];
|
---|
[503] | 2020 |
|
---|
[469] | 2021 | for (int j = 0; j < (int)ray->bspIntersections.size(); ++ j)
|
---|
| 2022 | {
|
---|
| 2023 | BspLeaf *leaf2 = ray->bspIntersections[j].mLeaf;
|
---|
[503] | 2024 |
|
---|
| 2025 | if (leaf->GetViewCell() == leaf2->GetViewCell())
|
---|
[469] | 2026 | {
|
---|
| 2027 | vcRays.push_back(ray);
|
---|
| 2028 | }
|
---|
| 2029 | }
|
---|
[479] | 2030 | }
|
---|
[503] | 2031 | #endif
|
---|
[469] | 2032 | Intersectable::NewMail();
|
---|
[503] | 2033 |
|
---|
[469] | 2034 | ViewCell *vc = leaf->mViewCell;
|
---|
[503] | 2035 |
|
---|
[469] | 2036 | //bspLeaves[j]->Mail();
|
---|
| 2037 | char s[64]; sprintf(s, "kd-pvs%04d.x3d", i);
|
---|
[503] | 2038 |
|
---|
[469] | 2039 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 2040 | exporter->SetFilled();
|
---|
| 2041 |
|
---|
| 2042 | exporter->SetWireframe();
|
---|
| 2043 | //exporter->SetFilled();
|
---|
[503] | 2044 |
|
---|
[469] | 2045 | Material m;//= RandomMaterial();
|
---|
| 2046 | m.mDiffuseColor = RgbColor(1, 1, 0);
|
---|
| 2047 | exporter->SetForcedMaterial(m);
|
---|
[503] | 2048 |
|
---|
[469] | 2049 | AxisAlignedBox3 box = mKdTree->GetBox(leaf);
|
---|
| 2050 | exporter->ExportBox(box);
|
---|
| 2051 |
|
---|
| 2052 | // export rays piercing this view cell
|
---|
[503] | 2053 | exporter->ExportRays(vcRays, 1000, RgbColor(0, 1, 0));
|
---|
| 2054 |
|
---|
[469] | 2055 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2056 | exporter->SetForcedMaterial(m);
|
---|
[503] | 2057 |
|
---|
[469] | 2058 | // exporter->SetWireframe();
|
---|
| 2059 | exporter->SetFilled();
|
---|
[503] | 2060 |
|
---|
[469] | 2061 | ObjectPvsMap::iterator it, it_end = vc->GetPvs().mEntries.end();
|
---|
| 2062 | // output PVS of view cell
|
---|
[503] | 2063 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[469] | 2064 | {
|
---|
| 2065 | Intersectable *intersect = (*it).first;
|
---|
| 2066 | if (!intersect->Mailed())
|
---|
| 2067 | {
|
---|
| 2068 | exporter->ExportIntersectable(intersect);
|
---|
| 2069 | intersect->Mail();
|
---|
[503] | 2070 | }
|
---|
[440] | 2071 | }
|
---|
[503] | 2072 |
|
---|
[469] | 2073 | DEL_PTR(exporter);
|
---|
| 2074 | cout << "finished" << endl;
|
---|
[440] | 2075 | }
|
---|
[469] | 2076 |
|
---|
| 2077 | DEL_PTR(rays);
|
---|
[440] | 2078 | }
|
---|
[469] | 2079 | else // using kd PVS of objects
|
---|
| 2080 | {
|
---|
| 2081 | for (int i = 0; i < limit; ++ i)
|
---|
| 2082 | {
|
---|
| 2083 | VssRay *ray = sampleRays[i];
|
---|
[503] | 2084 |
|
---|
[469] | 2085 | // check whether we can add this to the rays
|
---|
[503] | 2086 | for (int j = 0; j < pvsOut; j++)
|
---|
[469] | 2087 | {
|
---|
| 2088 | if (objects[j] == ray->mTerminationObject)
|
---|
| 2089 | {
|
---|
| 2090 | rays[j].push_back(ray);
|
---|
| 2091 | }
|
---|
| 2092 | }
|
---|
| 2093 | }
|
---|
[440] | 2094 |
|
---|
[503] | 2095 | if (exportRays)
|
---|
[469] | 2096 | {
|
---|
| 2097 | Exporter *exporter = NULL;
|
---|
| 2098 | exporter = Exporter::GetExporter("sample-rays.x3d");
|
---|
| 2099 | exporter->SetWireframe();
|
---|
| 2100 | exporter->ExportKdTree(*mKdTree);
|
---|
[503] | 2101 |
|
---|
| 2102 | for (i=0; i < pvsOut; i++)
|
---|
[469] | 2103 | exporter->ExportRays(rays[i], RgbColor(1, 0, 0));
|
---|
| 2104 |
|
---|
| 2105 | exporter->SetFilled();
|
---|
[503] | 2106 |
|
---|
[469] | 2107 | delete exporter;
|
---|
| 2108 | }
|
---|
[440] | 2109 |
|
---|
[503] | 2110 | for (int k=0; k < pvsOut; k++)
|
---|
[469] | 2111 | {
|
---|
| 2112 | Intersectable *object = objects[k];
|
---|
[503] | 2113 | char s[64];
|
---|
[469] | 2114 | sprintf(s, "sample-pvs%04d.x3d", k);
|
---|
[440] | 2115 |
|
---|
[469] | 2116 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 2117 | exporter->SetWireframe();
|
---|
[503] | 2118 |
|
---|
[469] | 2119 | KdPvsMap::iterator i = object->mKdPvs.mEntries.begin();
|
---|
| 2120 | Intersectable::NewMail();
|
---|
[503] | 2121 |
|
---|
[469] | 2122 | // avoid adding the object to the list
|
---|
| 2123 | object->Mail();
|
---|
| 2124 | ObjectContainer visibleObjects;
|
---|
[503] | 2125 |
|
---|
| 2126 | for (; i != object->mKdPvs.mEntries.end(); i++)
|
---|
[469] | 2127 | {
|
---|
| 2128 | KdNode *node = (*i).first;
|
---|
| 2129 | exporter->ExportBox(mKdTree->GetBox(node));
|
---|
[503] | 2130 |
|
---|
[469] | 2131 | mKdTree->CollectObjects(node, visibleObjects);
|
---|
| 2132 | }
|
---|
[503] | 2133 |
|
---|
[469] | 2134 | exporter->ExportRays(rays[k], RgbColor(0, 1, 0));
|
---|
| 2135 | exporter->SetFilled();
|
---|
[503] | 2136 |
|
---|
[469] | 2137 | for (int j = 0; j < visibleObjects.size(); j++)
|
---|
| 2138 | exporter->ExportIntersectable(visibleObjects[j]);
|
---|
[503] | 2139 |
|
---|
[469] | 2140 | Material m;
|
---|
| 2141 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2142 | exporter->SetForcedMaterial(m);
|
---|
| 2143 | exporter->ExportIntersectable(object);
|
---|
[503] | 2144 |
|
---|
[469] | 2145 | delete exporter;
|
---|
[440] | 2146 | }
|
---|
[503] | 2147 | }
|
---|
[440] | 2148 | }
|
---|
| 2149 |
|
---|
[469] | 2150 |
|
---|
[482] | 2151 | void KdViewCellsManager::ExportColor(Exporter *exporter,
|
---|
| 2152 | ViewCell *vc) const
|
---|
| 2153 | {
|
---|
| 2154 | // TODO
|
---|
| 2155 | }
|
---|
| 2156 |
|
---|
[666] | 2157 |
|
---|
[580] | 2158 | ViewCell *KdViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 2159 | {
|
---|
| 2160 | return new KdViewCell(mesh);
|
---|
| 2161 | }
|
---|
[482] | 2162 |
|
---|
[580] | 2163 |
|
---|
| 2164 | void KdViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 2165 | ViewCell *vc,
|
---|
[660] | 2166 | const Plane3 *clipPlane) const
|
---|
[482] | 2167 | {
|
---|
[580] | 2168 | ViewCellContainer leaves;
|
---|
[485] | 2169 |
|
---|
[580] | 2170 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2171 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 2172 |
|
---|
| 2173 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 2174 | {
|
---|
| 2175 | KdViewCell *kdVc = dynamic_cast<KdViewCell *>(*it);
|
---|
| 2176 |
|
---|
| 2177 | exporter->ExportBox(mKdTree->GetBox(kdVc->mLeaf));
|
---|
| 2178 | }
|
---|
[482] | 2179 | }
|
---|
| 2180 |
|
---|
| 2181 |
|
---|
[440] | 2182 | int KdViewCellsManager::GetType() const
|
---|
| 2183 | {
|
---|
| 2184 | return ViewCellsManager::KD;
|
---|
| 2185 | }
|
---|
| 2186 |
|
---|
| 2187 |
|
---|
[441] | 2188 |
|
---|
[440] | 2189 | KdNode *KdViewCellsManager::GetNodeForPvs(KdLeaf *leaf)
|
---|
| 2190 | {
|
---|
| 2191 | KdNode *node = leaf;
|
---|
| 2192 |
|
---|
| 2193 | while (node->mParent && node->mDepth > mKdPvsDepth)
|
---|
| 2194 | node = node->mParent;
|
---|
| 2195 | return node;
|
---|
| 2196 | }
|
---|
| 2197 |
|
---|
[469] | 2198 | int KdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 2199 | const Vector3 &termination,
|
---|
| 2200 | ViewCellContainer &viewcells)
|
---|
[466] | 2201 | {
|
---|
[469] | 2202 | return mKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 2203 | }
|
---|
| 2204 |
|
---|
[469] | 2205 |
|
---|
[503] | 2206 | void KdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 2207 | {
|
---|
[551] | 2208 | // TODO
|
---|
[503] | 2209 | }
|
---|
| 2210 |
|
---|
[580] | 2211 |
|
---|
| 2212 |
|
---|
| 2213 | void KdViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 2214 | vector<MergeCandidate> &candidates)
|
---|
| 2215 | {
|
---|
| 2216 | // TODO
|
---|
| 2217 | }
|
---|
| 2218 |
|
---|
| 2219 |
|
---|
[440] | 2220 | /**********************************************************************/
|
---|
| 2221 | /* VspKdViewCellsManager implementation */
|
---|
| 2222 | /**********************************************************************/
|
---|
| 2223 |
|
---|
[482] | 2224 |
|
---|
[574] | 2225 | VspKdViewCellsManager::VspKdViewCellsManager(VspKdTree *vspKdTree):
|
---|
| 2226 | ViewCellsManager(), mVspKdTree(vspKdTree)
|
---|
[440] | 2227 | {
|
---|
[574] | 2228 | environment->GetIntValue("VspKdTree.Construction.samples", mInitialSamples);
|
---|
[468] | 2229 | mVspKdTree->SetViewCellsManager(this);
|
---|
| 2230 | }
|
---|
[462] | 2231 |
|
---|
[471] | 2232 | float VspKdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 2233 | {
|
---|
[605] | 2234 | // compute view cell area / volume as subsititute for probability
|
---|
| 2235 | if (0)
|
---|
| 2236 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
| 2237 | else
|
---|
| 2238 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
[440] | 2239 | }
|
---|
| 2240 |
|
---|
[462] | 2241 |
|
---|
[468] | 2242 |
|
---|
[503] | 2243 |
|
---|
[480] | 2244 | void VspKdViewCellsManager::CollectViewCells()
|
---|
| 2245 | {
|
---|
| 2246 | mVspKdTree->CollectViewCells(mViewCells);
|
---|
| 2247 | }
|
---|
[462] | 2248 |
|
---|
[570] | 2249 |
|
---|
[574] | 2250 | int VspKdViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 2251 | const VssRayContainer &rays)
|
---|
[440] | 2252 | {
|
---|
[441] | 2253 | // if view cells already constructed
|
---|
[440] | 2254 | if (ViewCellsConstructed())
|
---|
| 2255 | return 0;
|
---|
[503] | 2256 |
|
---|
[469] | 2257 | VssRayContainer constructionRays;
|
---|
| 2258 | VssRayContainer savedRays;
|
---|
[440] | 2259 |
|
---|
[503] | 2260 | GetRaySets(rays,
|
---|
[574] | 2261 | mInitialSamples,
|
---|
[503] | 2262 | constructionRays,
|
---|
[485] | 2263 | &savedRays);
|
---|
[503] | 2264 |
|
---|
| 2265 | Debug << "constructing vsp kd tree using "
|
---|
[469] | 2266 | << (int)constructionRays.size() << " samples" << endl;
|
---|
[452] | 2267 |
|
---|
[542] | 2268 | mVspKdTree->Construct(constructionRays, &mViewSpaceBox);
|
---|
[452] | 2269 | Debug << mVspKdTree->GetStatistics() << endl;
|
---|
| 2270 |
|
---|
[482] | 2271 | // export leaf building blocks
|
---|
| 2272 | ExportLeaves(objects, rays);
|
---|
[480] | 2273 |
|
---|
[469] | 2274 | // finally merge kd leaf building blocks to view cells
|
---|
[485] | 2275 | const int merged = mVspKdTree->MergeViewCells(rays);
|
---|
| 2276 |
|
---|
| 2277 | // collapse siblings belonging to the same view cell
|
---|
[486] | 2278 | mVspKdTree->RefineViewCells(rays);
|
---|
[485] | 2279 |
|
---|
[542] | 2280 | // collapse siblings belonging to the same view cell
|
---|
[503] | 2281 | mVspKdTree->CollapseTree();
|
---|
| 2282 |
|
---|
[482] | 2283 | // evaluale view cell stats
|
---|
| 2284 | ResetViewCells();
|
---|
[469] | 2285 |
|
---|
[660] | 2286 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[482] | 2287 |
|
---|
[485] | 2288 | long startTime = GetTime();
|
---|
[660] | 2289 |
|
---|
[469] | 2290 | // recast rest of rays
|
---|
[574] | 2291 | ComputeSampleContributions(savedRays, true, false);
|
---|
[503] | 2292 |
|
---|
| 2293 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 2294 | << " secs" << endl;
|
---|
[469] | 2295 |
|
---|
| 2296 | return merged;
|
---|
[440] | 2297 | }
|
---|
| 2298 |
|
---|
| 2299 | bool VspKdViewCellsManager::ViewCellsConstructed() const
|
---|
| 2300 | {
|
---|
| 2301 | return mVspKdTree->GetRoot() != NULL;
|
---|
| 2302 | }
|
---|
| 2303 |
|
---|
[441] | 2304 |
|
---|
[462] | 2305 | ViewCell *VspKdViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 2306 | {
|
---|
| 2307 | return new VspKdViewCell(mesh);
|
---|
| 2308 | }
|
---|
| 2309 |
|
---|
[503] | 2310 | int VspKdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 2311 | const VssRayContainer &rays)
|
---|
[440] | 2312 | {
|
---|
[441] | 2313 | if (!ViewCellsConstructed())
|
---|
| 2314 | return 0;
|
---|
| 2315 |
|
---|
[482] | 2316 | // recalculate stats
|
---|
| 2317 | EvaluateViewCellsStats();
|
---|
| 2318 |
|
---|
[469] | 2319 | return 0;
|
---|
[440] | 2320 | }
|
---|
| 2321 |
|
---|
[482] | 2322 |
|
---|
| 2323 | void VspKdViewCellsManager::ExportLeaves(const ObjectContainer &objects,
|
---|
| 2324 | const VssRayContainer &sampleRays)
|
---|
[440] | 2325 | {
|
---|
[441] | 2326 | if (!ViewCellsConstructed())
|
---|
| 2327 | return;
|
---|
| 2328 |
|
---|
[482] | 2329 | //-- export leaf building blocks
|
---|
[503] | 2330 | Exporter *exporter = Exporter::GetExporter("vspkdtree.x3d");
|
---|
[482] | 2331 | if (!exporter)
|
---|
| 2332 | return;
|
---|
| 2333 |
|
---|
[598] | 2334 | if (mExportGeometry)
|
---|
| 2335 | exporter->ExportGeometry(objects);
|
---|
| 2336 |
|
---|
[482] | 2337 | //exporter->SetWireframe();
|
---|
| 2338 | //exporter->ExportVspKdTree(*mVspKdTree, mVspKdTree->GetStatistics().maxPvsSize);
|
---|
| 2339 | exporter->ExportVspKdTree(*mVspKdTree);
|
---|
| 2340 |
|
---|
[503] | 2341 | if (mExportRays)
|
---|
[440] | 2342 | {
|
---|
[503] | 2343 | const float prob = (float)mVisualizationSamples
|
---|
[482] | 2344 | / ((float)sampleRays.size() + Limits::Small);
|
---|
[440] | 2345 |
|
---|
[482] | 2346 | exporter->SetWireframe();
|
---|
[440] | 2347 |
|
---|
[482] | 2348 | //-- collect uniformly distributed rays
|
---|
| 2349 | VssRayContainer rays;
|
---|
[440] | 2350 |
|
---|
[482] | 2351 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 2352 | {
|
---|
| 2353 | if (RandomValue(0,1) < prob)
|
---|
| 2354 | rays.push_back(sampleRays[i]);
|
---|
[440] | 2355 | }
|
---|
[482] | 2356 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[440] | 2357 | }
|
---|
| 2358 |
|
---|
[482] | 2359 | delete exporter;
|
---|
| 2360 | }
|
---|
| 2361 |
|
---|
| 2362 | void VspKdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
| 2363 | const VssRayContainer &sampleRays)
|
---|
| 2364 | {
|
---|
| 2365 | if (!ViewCellsConstructed())
|
---|
| 2366 | return;
|
---|
[503] | 2367 |
|
---|
[482] | 2368 | //-- export single view cells
|
---|
| 2369 | for (int i = 0; i < 10; ++ i)
|
---|
[440] | 2370 | {
|
---|
[482] | 2371 | char s[64];
|
---|
| 2372 | sprintf(s, "vsp_viewcell%04d.x3d", i);
|
---|
| 2373 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 2374 | const int idx =
|
---|
[482] | 2375 | (int)RandomValue(0.0, (Real)((int)mViewCells.size() - 1));
|
---|
[440] | 2376 |
|
---|
[503] | 2377 | VspKdViewCell *vc = dynamic_cast<VspKdViewCell *>(mViewCells[idx]);
|
---|
[482] | 2378 |
|
---|
| 2379 | //-- export geometry
|
---|
| 2380 | Material m;
|
---|
| 2381 | m.mDiffuseColor = RgbColor(0, 1, 1);
|
---|
[503] | 2382 |
|
---|
[482] | 2383 | exporter->SetForcedMaterial(m);
|
---|
| 2384 | exporter->SetWireframe();
|
---|
| 2385 |
|
---|
[580] | 2386 | ExportViewCellGeometry(exporter, vc);
|
---|
[482] | 2387 |
|
---|
| 2388 | //-- export stored rays
|
---|
[580] | 2389 |
|
---|
[485] | 2390 | if (mExportRays)
|
---|
[440] | 2391 | {
|
---|
[580] | 2392 | ViewCellContainer leaves;
|
---|
| 2393 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[440] | 2394 |
|
---|
[580] | 2395 | ViewCellContainer::const_iterator it,
|
---|
| 2396 | it_end = leaves.end();
|
---|
| 2397 |
|
---|
| 2398 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[482] | 2399 | {
|
---|
[580] | 2400 | VspKdViewCell *vspKdVc = dynamic_cast<VspKdViewCell *>(*it);
|
---|
| 2401 | VspKdLeaf *leaf = vspKdVc->mLeaf;
|
---|
[482] | 2402 | AxisAlignedBox3 box = mVspKdTree->GetBBox(leaf);
|
---|
[440] | 2403 |
|
---|
[482] | 2404 | VssRayContainer vssRays;
|
---|
[483] | 2405 |
|
---|
| 2406 | VssRayContainer castRays;
|
---|
| 2407 | VssRayContainer initRays;
|
---|
| 2408 |
|
---|
[482] | 2409 | leaf->GetRays(vssRays);
|
---|
[440] | 2410 |
|
---|
[482] | 2411 | VssRayContainer::const_iterator it, it_end = vssRays.end();
|
---|
[483] | 2412 | const float prop = 200.0f / (float)vssRays.size();
|
---|
[440] | 2413 |
|
---|
[482] | 2414 | for (it = vssRays.begin(); it != it_end; ++ it)
|
---|
[483] | 2415 | {
|
---|
[485] | 2416 | if (Random(1) < prop)
|
---|
[483] | 2417 | if ((*it)->mTerminationObject == NULL)
|
---|
| 2418 | castRays.push_back(*it);
|
---|
[503] | 2419 | else
|
---|
[483] | 2420 | initRays.push_back(*it);
|
---|
| 2421 | }
|
---|
| 2422 |
|
---|
| 2423 | exporter->ExportRays(castRays, RgbColor(1, 0, 0));
|
---|
| 2424 | exporter->ExportRays(initRays, RgbColor(0, 1, 0));
|
---|
[482] | 2425 | }
|
---|
| 2426 | }
|
---|
[580] | 2427 |
|
---|
[482] | 2428 | //-- output PVS of view cell
|
---|
| 2429 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2430 | exporter->SetForcedMaterial(m);
|
---|
[440] | 2431 |
|
---|
[483] | 2432 | Intersectable::NewMail();
|
---|
| 2433 |
|
---|
[482] | 2434 | ObjectPvsMap::const_iterator it,
|
---|
| 2435 | it_end = vc->GetPvs().mEntries.end();
|
---|
| 2436 |
|
---|
| 2437 | exporter->SetFilled();
|
---|
| 2438 |
|
---|
[503] | 2439 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[482] | 2440 | {
|
---|
| 2441 | Intersectable *intersect = (*it).first;
|
---|
| 2442 |
|
---|
| 2443 | if (!intersect->Mailed())
|
---|
| 2444 | {
|
---|
| 2445 | Material m = RandomMaterial();
|
---|
| 2446 | exporter->SetForcedMaterial(m);
|
---|
| 2447 |
|
---|
| 2448 | exporter->ExportIntersectable(intersect);
|
---|
| 2449 | intersect->Mail();
|
---|
[503] | 2450 | }
|
---|
[482] | 2451 | }
|
---|
| 2452 |
|
---|
| 2453 | delete exporter;
|
---|
[440] | 2454 | }
|
---|
[462] | 2455 |
|
---|
| 2456 | //-- export final view cells
|
---|
[503] | 2457 | Exporter *exporter = Exporter::GetExporter("vspkdtree_merged.x3d");
|
---|
| 2458 |
|
---|
[485] | 2459 | //if (exportGeometry) exporter->SetWireframe();
|
---|
| 2460 | //else exporter->SetFilled();
|
---|
[483] | 2461 |
|
---|
[508] | 2462 | ExportViewCellsForViz(exporter);
|
---|
[462] | 2463 |
|
---|
[503] | 2464 | if (mExportGeometry)
|
---|
[465] | 2465 | {
|
---|
| 2466 | exporter->SetFilled();
|
---|
[462] | 2467 | exporter->ExportGeometry(objects);
|
---|
[465] | 2468 | }
|
---|
[469] | 2469 |
|
---|
[503] | 2470 | if (mExportRays)
|
---|
[462] | 2471 | {
|
---|
[503] | 2472 | const float prob = (float)mVisualizationSamples
|
---|
[482] | 2473 | / ((float)sampleRays.size() + Limits::Small);
|
---|
[503] | 2474 |
|
---|
[462] | 2475 | exporter->SetWireframe();
|
---|
[503] | 2476 |
|
---|
[466] | 2477 | VssRayContainer rays;
|
---|
[503] | 2478 |
|
---|
[462] | 2479 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 2480 | {
|
---|
[466] | 2481 | if (RandomValue(0,1) < prob)
|
---|
| 2482 | rays.push_back(sampleRays[i]);
|
---|
[462] | 2483 | }
|
---|
[503] | 2484 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[462] | 2485 | }
|
---|
| 2486 |
|
---|
| 2487 | delete exporter;
|
---|
[440] | 2488 | }
|
---|
| 2489 |
|
---|
| 2490 | int VspKdViewCellsManager::GetType() const
|
---|
| 2491 | {
|
---|
| 2492 | return VSP_KD;
|
---|
| 2493 | }
|
---|
[442] | 2494 |
|
---|
[462] | 2495 |
|
---|
[469] | 2496 | int VspKdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 2497 | const Vector3 &termination,
|
---|
| 2498 | ViewCellContainer &viewcells)
|
---|
[466] | 2499 | {
|
---|
[469] | 2500 | return mVspKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 2501 | }
|
---|
| 2502 |
|
---|
[477] | 2503 |
|
---|
[482] | 2504 | void VspKdViewCellsManager::ExportColor(Exporter *exporter,
|
---|
| 2505 | ViewCell *vc) const
|
---|
| 2506 | {
|
---|
| 2507 | if (mColorCode == 0) // Random color
|
---|
| 2508 | return;
|
---|
[503] | 2509 |
|
---|
[482] | 2510 | float importance = 0;
|
---|
[477] | 2511 |
|
---|
[482] | 2512 | switch (mColorCode)
|
---|
| 2513 | {
|
---|
| 2514 | case 1: // pvs
|
---|
| 2515 | {
|
---|
[503] | 2516 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[660] | 2517 | (float)mCurrentViewCellsStats.maxPvs;
|
---|
[482] | 2518 | }
|
---|
| 2519 | break;
|
---|
[580] | 2520 | case 2: // merged leaves
|
---|
[482] | 2521 | {
|
---|
[580] | 2522 | int lSize = mViewCellsTree->GetSize(vc);
|
---|
| 2523 | importance = (float)lSize /
|
---|
[660] | 2524 | (float)mCurrentViewCellsStats.maxLeaves;
|
---|
[482] | 2525 | }
|
---|
| 2526 | break;
|
---|
[485] | 2527 | case 3: // merged tree depth difference
|
---|
[482] | 2528 | {
|
---|
[503] | 2529 | //importance = (float)GetMaxTreeDiff(vc) /
|
---|
[482] | 2530 | // (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
| 2531 | }
|
---|
| 2532 | break;
|
---|
| 2533 | default:
|
---|
| 2534 | break;
|
---|
| 2535 | }
|
---|
| 2536 |
|
---|
| 2537 | Material m;
|
---|
| 2538 | m.mDiffuseColor.b = 1.0f;
|
---|
| 2539 | m.mDiffuseColor.r = importance;
|
---|
| 2540 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
| 2541 | //Debug << "importance: " << importance << endl;
|
---|
| 2542 | exporter->SetForcedMaterial(m);
|
---|
| 2543 | }
|
---|
| 2544 |
|
---|
| 2545 |
|
---|
[580] | 2546 | void VspKdViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 2547 | ViewCell *vc,
|
---|
[660] | 2548 | const Plane3 *clipPlane) const
|
---|
[482] | 2549 | {
|
---|
| 2550 | VspKdViewCell *kdVc = dynamic_cast<VspKdViewCell *>(vc);
|
---|
| 2551 |
|
---|
[486] | 2552 | Mesh m;
|
---|
[580] | 2553 |
|
---|
| 2554 | ViewCellContainer leaves;
|
---|
| 2555 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2556 |
|
---|
| 2557 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 2558 |
|
---|
| 2559 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[486] | 2560 | {
|
---|
[580] | 2561 | VspKdLeaf *l = dynamic_cast<VspKdViewCell *>(*it)->mLeaf;
|
---|
| 2562 | mVspKdTree->GetBBox(l).AddBoxToMesh(&m);
|
---|
[486] | 2563 | }
|
---|
| 2564 |
|
---|
| 2565 | exporter->ExportMesh(&m);
|
---|
[482] | 2566 | }
|
---|
| 2567 |
|
---|
| 2568 |
|
---|
[503] | 2569 | void VspKdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 2570 | {
|
---|
[551] | 2571 | //TODO
|
---|
[503] | 2572 | }
|
---|
[442] | 2573 |
|
---|
[574] | 2574 |
|
---|
[584] | 2575 | void VspKdViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 2576 | vector<MergeCandidate> &candidates)
|
---|
[580] | 2577 | {
|
---|
| 2578 | // TODO
|
---|
| 2579 | }
|
---|
[574] | 2580 |
|
---|
[580] | 2581 |
|
---|
[503] | 2582 | /**************************************************************************/
|
---|
| 2583 | /* VspBspViewCellsManager implementation */
|
---|
| 2584 | /**************************************************************************/
|
---|
[482] | 2585 |
|
---|
[503] | 2586 |
|
---|
[574] | 2587 | VspBspViewCellsManager::VspBspViewCellsManager(VspBspTree *vspBspTree):
|
---|
| 2588 | ViewCellsManager(), mVspBspTree(vspBspTree)
|
---|
[442] | 2589 | {
|
---|
[574] | 2590 | environment->GetIntValue("VspBspTree.Construction.samples", mInitialSamples);
|
---|
[478] | 2591 | mVspBspTree->SetViewCellsManager(this);
|
---|
[590] | 2592 | mVspBspTree->mViewCellsTree = mViewCellsTree;
|
---|
[442] | 2593 | }
|
---|
| 2594 |
|
---|
[477] | 2595 |
|
---|
[475] | 2596 | VspBspViewCellsManager::~VspBspViewCellsManager()
|
---|
| 2597 | {
|
---|
| 2598 | }
|
---|
| 2599 |
|
---|
[477] | 2600 |
|
---|
[471] | 2601 | float VspBspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 2602 | {
|
---|
[551] | 2603 | if (0 && mVspBspTree->mUseAreaForPvs)
|
---|
[547] | 2604 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 2605 | else
|
---|
| 2606 | return GetVolume(viewCell) / mViewSpaceBox.GetVolume();
|
---|
[468] | 2607 | }
|
---|
| 2608 |
|
---|
[477] | 2609 |
|
---|
[480] | 2610 | void VspBspViewCellsManager::CollectViewCells()
|
---|
| 2611 | {
|
---|
[581] | 2612 | // view cells tree constructed
|
---|
| 2613 | if (!ViewCellsTreeConstructed())
|
---|
| 2614 | {
|
---|
[590] | 2615 | mVspBspTree->CollectViewCells(mViewCells, false);
|
---|
[581] | 2616 | }
|
---|
| 2617 | else
|
---|
[664] | 2618 | { // we can use the view cells tree hierarchy to get the right set
|
---|
[600] | 2619 | mViewCellsTree->CollectBestViewCellSet(mViewCells, mNumActiveViewCells);
|
---|
[581] | 2620 | }
|
---|
| 2621 |
|
---|
[480] | 2622 | }
|
---|
| 2623 |
|
---|
| 2624 |
|
---|
[468] | 2625 |
|
---|
[442] | 2626 | bool VspBspViewCellsManager::ViewCellsConstructed() const
|
---|
| 2627 | {
|
---|
| 2628 | return mVspBspTree->GetRoot() != NULL;
|
---|
| 2629 | }
|
---|
| 2630 |
|
---|
[462] | 2631 |
|
---|
[442] | 2632 | ViewCell *VspBspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 2633 | {
|
---|
| 2634 | return new BspViewCell(mesh);
|
---|
| 2635 | }
|
---|
| 2636 |
|
---|
[569] | 2637 |
|
---|
[574] | 2638 | int VspBspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
[600] | 2639 | const VssRayContainer &rays)
|
---|
[442] | 2640 | {
|
---|
[503] | 2641 | // if view cells were already constructed
|
---|
| 2642 | if (ViewCellsConstructed())
|
---|
| 2643 | return 0;
|
---|
[442] | 2644 |
|
---|
[503] | 2645 | int sampleContributions = 0;
|
---|
| 2646 |
|
---|
| 2647 | VssRayContainer sampleRays;
|
---|
| 2648 |
|
---|
[574] | 2649 | int limit = min (mInitialSamples, (int)rays.size());
|
---|
[503] | 2650 |
|
---|
[469] | 2651 | VssRayContainer constructionRays;
|
---|
| 2652 | VssRayContainer savedRays;
|
---|
[442] | 2653 |
|
---|
[660] | 2654 | Debug << "samples used for vsp bsp subdivision: " << mInitialSamples
|
---|
[664] | 2655 | << ", actual rays: " << (int)rays.size() << endl;
|
---|
[587] | 2656 |
|
---|
[574] | 2657 | GetRaySets(rays, mInitialSamples, constructionRays, &savedRays);
|
---|
[487] | 2658 |
|
---|
[574] | 2659 | Debug << "initial rays: " << (int)constructionRays.size() << endl;
|
---|
[508] | 2660 | Debug << "saved rays: " << (int)savedRays.size() << endl;
|
---|
[485] | 2661 |
|
---|
[547] | 2662 | mMaxPvsSize = (int)(mMaxPvsRatio * (float)objects.size());
|
---|
[564] | 2663 |
|
---|
[666] | 2664 | //TODO: remove
|
---|
| 2665 | if(0)
|
---|
[542] | 2666 | mVspBspTree->Construct(constructionRays, &mViewSpaceBox);
|
---|
[666] | 2667 | else
|
---|
| 2668 | mVspBspTree->Construct(rays, &mViewSpaceBox);
|
---|
[490] | 2669 | // collapse invalid regions
|
---|
[491] | 2670 | cout << "collapsing invalid tree regions ... ";
|
---|
[495] | 2671 | long startTime = GetTime();
|
---|
[503] | 2672 | int collapsedLeaves = mVspBspTree->CollapseTree();
|
---|
[587] | 2673 | Debug << "collapsed in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 2674 | << " seconds" << endl;
|
---|
| 2675 |
|
---|
[495] | 2676 | cout << "finished" << endl;
|
---|
[503] | 2677 |
|
---|
[660] | 2678 | // -- stats
|
---|
| 2679 | Debug << mVspBspTree->GetStatistics() << endl;
|
---|
| 2680 |
|
---|
[480] | 2681 | ResetViewCells();
|
---|
[660] | 2682 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[503] | 2683 |
|
---|
[491] | 2684 |
|
---|
[495] | 2685 | startTime = GetTime();
|
---|
[503] | 2686 |
|
---|
[491] | 2687 | cout << "Computing remaining ray contributions ... ";
|
---|
[605] | 2688 |
|
---|
[469] | 2689 | // recast rest of rays
|
---|
[605] | 2690 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 2691 | ComputeSampleContributions(savedRays, true, false);
|
---|
[491] | 2692 | cout << "finished" << endl;
|
---|
| 2693 |
|
---|
[503] | 2694 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 2695 | << " secs" << endl;
|
---|
[442] | 2696 |
|
---|
[485] | 2697 | cout << "construction finished" << endl;
|
---|
[503] | 2698 |
|
---|
[442] | 2699 | return sampleContributions;
|
---|
| 2700 | }
|
---|
| 2701 |
|
---|
[489] | 2702 |
|
---|
[503] | 2703 | void VspBspViewCellsManager::MergeViewCells(const VssRayContainer &rays,
|
---|
| 2704 | const ObjectContainer &objects)
|
---|
[475] | 2705 | {
|
---|
[442] | 2706 | //-- post processing of bsp view cells
|
---|
| 2707 | int vcSize = 0;
|
---|
| 2708 | int pvsSize = 0;
|
---|
| 2709 |
|
---|
[650] | 2710 | //-- merge view cells
|
---|
| 2711 |
|
---|
| 2712 | cout << "starting merge using " << mPostProcessSamples << " samples ... " << endl;
|
---|
| 2713 | long startTime = GetTime();
|
---|
| 2714 |
|
---|
| 2715 |
|
---|
[597] | 2716 | if (mMergeViewCells)
|
---|
| 2717 | {
|
---|
| 2718 | // TODO: should be done BEFORE the ray casting
|
---|
[650] | 2719 | mViewCellsTree->ConstructMergeTree(rays, objects);
|
---|
| 2720 | }
|
---|
| 2721 | else
|
---|
| 2722 | {
|
---|
| 2723 | mViewCellsTree->SetRoot(ConstructSpatialMergeTree(mVspBspTree->GetRoot()));
|
---|
| 2724 | }
|
---|
[442] | 2725 |
|
---|
[666] | 2726 | if (1)
|
---|
| 2727 | {
|
---|
| 2728 | char mstats[100];
|
---|
| 2729 | environment->GetStringValue("ViewCells.mergeStats", mstats);
|
---|
| 2730 | mViewCellsTree->ExportStats(mstats);
|
---|
| 2731 | }
|
---|
[485] | 2732 |
|
---|
[650] | 2733 | //-- stats and visualizations
|
---|
| 2734 | cout << "finished merging" << endl;
|
---|
| 2735 | cout << "merged view cells in "
|
---|
| 2736 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
[503] | 2737 |
|
---|
[650] | 2738 | Debug << "Postprocessing: Merged view cells in "
|
---|
| 2739 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
| 2740 |
|
---|
| 2741 |
|
---|
[600] | 2742 | int savedColorCode = mColorCode;
|
---|
| 2743 |
|
---|
[660] | 2744 | // get currently active view cell set
|
---|
| 2745 | ResetViewCells();
|
---|
| 2746 | Debug << "\nView cells after merge:\n" << mCurrentViewCellsStats << endl;
|
---|
| 2747 |
|
---|
[485] | 2748 | //BspLeaf::NewMail();
|
---|
[612] | 2749 | if (0) // export merged view cells
|
---|
[483] | 2750 | {
|
---|
[600] | 2751 | mColorCode = 0;
|
---|
[485] | 2752 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
|
---|
[660] | 2753 |
|
---|
[485] | 2754 | cout << "exporting view cells after merge ... ";
|
---|
| 2755 |
|
---|
| 2756 | if (exporter)
|
---|
[483] | 2757 | {
|
---|
[600] | 2758 | if (0)
|
---|
| 2759 | exporter->SetWireframe();
|
---|
| 2760 | else
|
---|
| 2761 | exporter->SetFilled();
|
---|
| 2762 |
|
---|
| 2763 | ExportViewCellsForViz(exporter);
|
---|
| 2764 |
|
---|
[485] | 2765 | if (mExportGeometry)
|
---|
[483] | 2766 | {
|
---|
[485] | 2767 | Material m;
|
---|
| 2768 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2769 | exporter->SetForcedMaterial(m);
|
---|
| 2770 | exporter->SetFilled();
|
---|
[442] | 2771 |
|
---|
[485] | 2772 | exporter->ExportGeometry(objects);
|
---|
[442] | 2773 | }
|
---|
[485] | 2774 |
|
---|
[600] | 2775 | delete exporter;
|
---|
| 2776 | }
|
---|
| 2777 | cout << "finished" << endl;
|
---|
| 2778 | }
|
---|
| 2779 |
|
---|
[612] | 2780 | if (0) // export merged view cells using pvs coding
|
---|
[600] | 2781 | {
|
---|
| 2782 | mColorCode = 1;
|
---|
| 2783 |
|
---|
| 2784 | Exporter *exporter = Exporter::GetExporter("merged_view_cells_pvs.x3d");
|
---|
| 2785 |
|
---|
| 2786 | cout << "exporting view cells after merge (pvs size) ... ";
|
---|
| 2787 |
|
---|
| 2788 | if (exporter)
|
---|
| 2789 | {
|
---|
[598] | 2790 | if (0)
|
---|
| 2791 | exporter->SetWireframe();
|
---|
| 2792 | else
|
---|
| 2793 | exporter->SetFilled();
|
---|
| 2794 |
|
---|
| 2795 | ExportViewCellsForViz(exporter);
|
---|
| 2796 |
|
---|
[600] | 2797 | if (mExportGeometry)
|
---|
| 2798 | {
|
---|
| 2799 | Material m;
|
---|
| 2800 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2801 | exporter->SetForcedMaterial(m);
|
---|
| 2802 | exporter->SetFilled();
|
---|
| 2803 |
|
---|
| 2804 | exporter->ExportGeometry(objects);
|
---|
| 2805 | }
|
---|
| 2806 |
|
---|
[485] | 2807 | delete exporter;
|
---|
[442] | 2808 | }
|
---|
[485] | 2809 | cout << "finished" << endl;
|
---|
[442] | 2810 | }
|
---|
[600] | 2811 |
|
---|
| 2812 | mColorCode = savedColorCode;
|
---|
| 2813 |
|
---|
[503] | 2814 | }
|
---|
[475] | 2815 |
|
---|
[503] | 2816 |
|
---|
[609] | 2817 | bool VspBspViewCellsManager::EqualToSpatialNode(ViewCell *viewCell) const
|
---|
[607] | 2818 | {
|
---|
[609] | 2819 | return GetSpatialNode(viewCell) != NULL;
|
---|
[607] | 2820 | }
|
---|
| 2821 |
|
---|
| 2822 |
|
---|
[609] | 2823 | BspNode *VspBspViewCellsManager::GetSpatialNode(ViewCell *viewCell) const
|
---|
[607] | 2824 | {
|
---|
| 2825 | if (!viewCell->IsLeaf())
|
---|
| 2826 | {
|
---|
| 2827 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(viewCell);
|
---|
| 2828 |
|
---|
[609] | 2829 | return bspVc->mLeaf;
|
---|
| 2830 | }
|
---|
[607] | 2831 | else
|
---|
| 2832 | {
|
---|
| 2833 | ViewCellInterior *interior = dynamic_cast<ViewCellInterior *>(viewCell);
|
---|
| 2834 |
|
---|
| 2835 | // cannot be node of binary tree
|
---|
| 2836 | if (interior->mChildren.size() != 2)
|
---|
[609] | 2837 | return NULL;
|
---|
[607] | 2838 |
|
---|
| 2839 | ViewCell *left = interior->mChildren[0];
|
---|
| 2840 | ViewCell *right = interior->mChildren[1];
|
---|
| 2841 |
|
---|
[609] | 2842 | BspNode *leftNode = GetSpatialNode(left);
|
---|
| 2843 | BspNode *rightNode = GetSpatialNode(right);
|
---|
[607] | 2844 |
|
---|
[609] | 2845 | if (leftNode && rightNode && leftNode->IsSibling(rightNode))
|
---|
[607] | 2846 | {
|
---|
[609] | 2847 | return leftNode->GetParent();
|
---|
[607] | 2848 | }
|
---|
[609] | 2849 | }
|
---|
[607] | 2850 |
|
---|
[609] | 2851 | return NULL;
|
---|
[607] | 2852 | }
|
---|
| 2853 |
|
---|
| 2854 |
|
---|
[564] | 2855 | void VspBspViewCellsManager::RefineViewCells(const VssRayContainer &rays,
|
---|
| 2856 | const ObjectContainer &objects)
|
---|
[503] | 2857 | {
|
---|
[485] | 2858 | Debug << "render time before refine:" << endl;
|
---|
| 2859 | mRenderer->RenderScene();
|
---|
[503] | 2860 | SimulationStatistics ss;
|
---|
[485] | 2861 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 2862 | Debug << ss << endl;
|
---|
| 2863 |
|
---|
[489] | 2864 | cout << "Refining the merged view cells ... ";
|
---|
[503] | 2865 | long startTime = GetTime();
|
---|
[485] | 2866 |
|
---|
| 2867 | // refining the merged view cells
|
---|
[580] | 2868 | const int refined = mViewCellsTree->RefineViewCells(rays, objects);
|
---|
[485] | 2869 |
|
---|
[442] | 2870 | //-- stats and visualizations
|
---|
| 2871 | cout << "finished" << endl;
|
---|
[485] | 2872 | cout << "refined " << refined << " view cells in "
|
---|
[442] | 2873 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 2874 |
|
---|
[485] | 2875 | Debug << "Postprocessing: refined " << refined << " view cells in "
|
---|
[475] | 2876 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
[503] | 2877 | }
|
---|
[495] | 2878 |
|
---|
[517] | 2879 |
|
---|
[503] | 2880 | int VspBspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 2881 | const VssRayContainer &rays)
|
---|
| 2882 | {
|
---|
| 2883 | if (!ViewCellsConstructed())
|
---|
| 2884 | {
|
---|
[517] | 2885 | Debug << "postprocess error: no view cells constructed" << endl;
|
---|
[503] | 2886 | return 0;
|
---|
| 2887 | }
|
---|
[520] | 2888 |
|
---|
[564] | 2889 |
|
---|
[609] | 2890 | // view cells already finished before post processing step
|
---|
| 2891 | // (i.e. because they were loaded)
|
---|
[520] | 2892 | if (mViewCellsFinished)
|
---|
[542] | 2893 | {
|
---|
[551] | 2894 | FinalizeViewCells(true);
|
---|
[542] | 2895 | EvaluateViewCellsStats();
|
---|
[577] | 2896 |
|
---|
[517] | 2897 | return 0;
|
---|
[542] | 2898 | }
|
---|
[448] | 2899 |
|
---|
[564] | 2900 |
|
---|
[542] | 2901 | // check if new view cells turned invalid
|
---|
[574] | 2902 | SetValidity(mMinPvsSize, mMaxPvsSize);
|
---|
| 2903 | // update valid view space according to valid view cells
|
---|
[544] | 2904 | mVspBspTree->ValidateTree();
|
---|
[542] | 2905 |
|
---|
[574] | 2906 | // has to be recomputed
|
---|
| 2907 | mTotalAreaValid = false;
|
---|
[517] | 2908 | VssRayContainer postProcessRays;
|
---|
[605] | 2909 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 2910 |
|
---|
[517] | 2911 | Debug << "post processing using " << (int)postProcessRays.size() << " samples" << endl;
|
---|
[564] | 2912 |
|
---|
[517] | 2913 |
|
---|
[552] | 2914 | // should maybe be done here to allow merge working with area or volume
|
---|
| 2915 | // and to correct the rendering statistics
|
---|
[554] | 2916 | if (0)
|
---|
[551] | 2917 | {
|
---|
| 2918 | FinalizeViewCells(false);
|
---|
| 2919 | }
|
---|
| 2920 |
|
---|
[597] | 2921 | //-- merge the individual view cells
|
---|
| 2922 | MergeViewCells(postProcessRays, objects);
|
---|
[591] | 2923 |
|
---|
[580] | 2924 |
|
---|
[597] | 2925 | //-- refines the merged view cells
|
---|
| 2926 | if (0)
|
---|
| 2927 | RefineViewCells(postProcessRays, objects);
|
---|
[568] | 2928 |
|
---|
[660] | 2929 |
|
---|
| 2930 | //-- render simulation after merge + refine
|
---|
| 2931 |
|
---|
[605] | 2932 | cout << "\nevaluating bsp view cells render time before compress ... ";
|
---|
| 2933 | dynamic_cast<RenderSimulator *>(mRenderer)->RenderScene();
|
---|
| 2934 | SimulationStatistics ss;
|
---|
| 2935 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
[600] | 2936 |
|
---|
[580] | 2937 |
|
---|
[605] | 2938 | cout << " finished" << endl;
|
---|
| 2939 | cout << ss << endl;
|
---|
| 2940 | Debug << ss << endl;
|
---|
[600] | 2941 |
|
---|
| 2942 |
|
---|
[605] | 2943 |
|
---|
[600] | 2944 | //-- compression
|
---|
| 2945 |
|
---|
| 2946 | if (ViewCellsTreeConstructed() && mCompressViewCells)
|
---|
| 2947 | {
|
---|
| 2948 | int pvsEntries = mViewCellsTree->GetNumPvsEntries(mViewCellsTree->GetRoot());
|
---|
| 2949 | Debug << "number of entries before compress: " << pvsEntries << endl;
|
---|
| 2950 |
|
---|
| 2951 | mViewCellsTree->CompressViewCellsPvs();
|
---|
| 2952 |
|
---|
| 2953 | pvsEntries = mViewCellsTree->GetNumPvsEntries(mViewCellsTree->GetRoot());
|
---|
| 2954 | Debug << "number of entries after compress: " << pvsEntries << endl;
|
---|
| 2955 | }
|
---|
| 2956 |
|
---|
[660] | 2957 |
|
---|
[517] | 2958 | // collapse sibling leaves that share the same view cell
|
---|
[586] | 2959 | if (0)
|
---|
| 2960 | mVspBspTree->CollapseTree();
|
---|
| 2961 |
|
---|
[574] | 2962 | // recompute view cell list and statistics
|
---|
[520] | 2963 | ResetViewCells();
|
---|
| 2964 |
|
---|
[508] | 2965 | // real meshes are only contructed only at this stage
|
---|
[551] | 2966 | FinalizeViewCells(true);
|
---|
[517] | 2967 |
|
---|
[508] | 2968 | // write view cells to disc
|
---|
| 2969 | if (mExportViewCells)
|
---|
| 2970 | {
|
---|
[517] | 2971 | char buff[100];
|
---|
| 2972 | environment->GetStringValue("ViewCells.filename", buff);
|
---|
| 2973 | string vcFilename(buff);
|
---|
| 2974 |
|
---|
| 2975 | ExportViewCells(buff);
|
---|
[508] | 2976 | }
|
---|
[503] | 2977 |
|
---|
| 2978 | return 0;
|
---|
[442] | 2979 | }
|
---|
| 2980 |
|
---|
[490] | 2981 |
|
---|
[442] | 2982 | int VspBspViewCellsManager::GetType() const
|
---|
| 2983 | {
|
---|
| 2984 | return VSP_BSP;
|
---|
| 2985 | }
|
---|
| 2986 |
|
---|
| 2987 |
|
---|
[650] | 2988 | ViewCell *VspBspViewCellsManager::ConstructSpatialMergeTree(BspNode *root)
|
---|
[609] | 2989 | {
|
---|
[650] | 2990 | if (root->IsLeaf())
|
---|
| 2991 | {
|
---|
| 2992 | ViewCell *viewCell = dynamic_cast<BspLeaf *>(root)->GetViewCell();
|
---|
[610] | 2993 |
|
---|
[650] | 2994 | viewCell->SetMergeCost(0.0f);
|
---|
[649] | 2995 |
|
---|
[650] | 2996 | return viewCell;
|
---|
| 2997 | }
|
---|
| 2998 |
|
---|
| 2999 | BspInterior *interior = dynamic_cast<BspInterior *>(root);
|
---|
| 3000 | ViewCellInterior *viewCellInterior = new ViewCellInterior();
|
---|
| 3001 |
|
---|
| 3002 | float mergeCost = 1.0f / (float)root->mTimeStamp;
|
---|
| 3003 | //Debug << "timestamp: " << root->mTimeStamp;
|
---|
| 3004 | //Debug << "merge cost: " << mergeCost << endl;
|
---|
[610] | 3005 |
|
---|
[650] | 3006 | viewCellInterior->SetMergeCost(mergeCost);
|
---|
[610] | 3007 |
|
---|
[650] | 3008 | float volume = 0;
|
---|
| 3009 |
|
---|
| 3010 | BspNode *front = interior->GetFront();
|
---|
| 3011 | BspNode *back = interior->GetBack();
|
---|
[649] | 3012 |
|
---|
[650] | 3013 | // recursivly compute child hierarchies
|
---|
| 3014 | ViewCell *backVc = ConstructSpatialMergeTree(back);
|
---|
| 3015 | ViewCell *frontVc = ConstructSpatialMergeTree(front);
|
---|
[610] | 3016 |
|
---|
[650] | 3017 | viewCellInterior->SetupChildLink(frontVc);
|
---|
| 3018 | viewCellInterior->SetupChildLink(backVc);
|
---|
| 3019 |
|
---|
| 3020 |
|
---|
| 3021 | viewCellInterior->GetPvs().Merge(backVc->GetPvs());
|
---|
| 3022 | viewCellInterior->GetPvs().Merge(frontVc->GetPvs());
|
---|
| 3023 |
|
---|
| 3024 | volume += backVc->GetVolume();
|
---|
| 3025 | volume += frontVc->GetVolume();
|
---|
| 3026 |
|
---|
| 3027 | viewCellInterior->SetVolume(volume);
|
---|
| 3028 |
|
---|
| 3029 | return viewCellInterior;
|
---|
[609] | 3030 | }
|
---|
| 3031 |
|
---|
| 3032 |
|
---|
[490] | 3033 | bool VspBspViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 3034 | {
|
---|
| 3035 | if (!ViewCellsConstructed())
|
---|
| 3036 | return ViewCellsManager::GetViewPoint(viewPoint);
|
---|
| 3037 |
|
---|
| 3038 | // TODO: set reasonable limit
|
---|
| 3039 | const int limit = 20;
|
---|
| 3040 |
|
---|
| 3041 | for (int i = 0; i < limit; ++ i)
|
---|
| 3042 | {
|
---|
[542] | 3043 | viewPoint = mViewSpaceBox.GetRandomPoint();
|
---|
[490] | 3044 | if (mVspBspTree->ViewPointValid(viewPoint))
|
---|
| 3045 | {
|
---|
| 3046 | return true;
|
---|
| 3047 | }
|
---|
| 3048 | }
|
---|
| 3049 | Debug << "failed to find valid view point, taking " << viewPoint << endl;
|
---|
| 3050 | return false;
|
---|
| 3051 | }
|
---|
| 3052 |
|
---|
| 3053 |
|
---|
| 3054 | bool VspBspViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 3055 | {
|
---|
[569] | 3056 | // $$JB -> implemented in viewcellsmanager (slower, but allows dynamic
|
---|
| 3057 | // validy update in preprocessor for all managers)
|
---|
| 3058 | return ViewCellsManager::ViewPointValid(viewPoint);
|
---|
[570] | 3059 |
|
---|
[569] | 3060 | // return mViewSpaceBox.IsInside(viewPoint) &&
|
---|
| 3061 | // mVspBspTree->ViewPointValid(viewPoint);
|
---|
[490] | 3062 | }
|
---|
| 3063 |
|
---|
| 3064 |
|
---|
[442] | 3065 | void VspBspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 3066 | const VssRayContainer &sampleRays)
|
---|
[442] | 3067 | {
|
---|
| 3068 | if (!ViewCellsConstructed())
|
---|
| 3069 | return;
|
---|
| 3070 |
|
---|
[485] | 3071 | VssRayContainer visRays;
|
---|
| 3072 | GetRaySets(sampleRays, mVisualizationSamples, visRays);
|
---|
[483] | 3073 |
|
---|
[600] | 3074 |
|
---|
[651] | 3075 | if (1) // export view cells
|
---|
[612] | 3076 | { // hack pvs
|
---|
[600] | 3077 | int savedColorCode = mColorCode;
|
---|
[651] | 3078 | mColorCode = 0;
|
---|
[485] | 3079 | Exporter *exporter = Exporter::GetExporter("final_view_cells.x3d");
|
---|
[600] | 3080 |
|
---|
[442] | 3081 | if (exporter)
|
---|
| 3082 | {
|
---|
[580] | 3083 | cout << "exporting view cells after post process ... ";
|
---|
| 3084 |
|
---|
[600] | 3085 | if (0)
|
---|
[542] | 3086 | {
|
---|
| 3087 | exporter->SetWireframe();
|
---|
| 3088 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 3089 | exporter->SetFilled();
|
---|
| 3090 | }
|
---|
| 3091 |
|
---|
[485] | 3092 | if (mExportGeometry)
|
---|
[542] | 3093 | {
|
---|
[485] | 3094 | exporter->ExportGeometry(objects);
|
---|
[542] | 3095 | }
|
---|
[489] | 3096 |
|
---|
| 3097 | // export rays
|
---|
[490] | 3098 | if (mExportRays)
|
---|
[489] | 3099 | {
|
---|
[490] | 3100 | exporter->ExportRays(visRays, RgbColor(0, 1, 0));
|
---|
| 3101 | }
|
---|
[564] | 3102 |
|
---|
[508] | 3103 | ExportViewCellsForViz(exporter);
|
---|
[442] | 3104 | delete exporter;
|
---|
[580] | 3105 | cout << "finished" << endl;
|
---|
[442] | 3106 | }
|
---|
[600] | 3107 |
|
---|
| 3108 | mColorCode = savedColorCode;
|
---|
[557] | 3109 | }
|
---|
[503] | 3110 |
|
---|
[600] | 3111 | if (0)
|
---|
[577] | 3112 | {
|
---|
| 3113 | cout << "exporting depth map ... ";
|
---|
| 3114 |
|
---|
| 3115 | Exporter *exporter = Exporter::GetExporter("depth_map.x3d");
|
---|
| 3116 | if (exporter)
|
---|
| 3117 | {
|
---|
| 3118 | if (1)
|
---|
| 3119 | {
|
---|
| 3120 | exporter->SetWireframe();
|
---|
| 3121 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 3122 | exporter->SetFilled();
|
---|
| 3123 | }
|
---|
| 3124 |
|
---|
| 3125 | if (mExportGeometry)
|
---|
| 3126 | {
|
---|
| 3127 | exporter->ExportGeometry(objects);
|
---|
| 3128 | }
|
---|
| 3129 |
|
---|
| 3130 | const int maxDepth = mVspBspTree->mBspStats.maxDepth;
|
---|
| 3131 |
|
---|
| 3132 | ViewCellContainer::const_iterator vit, vit_end = mViewCells.end();
|
---|
| 3133 |
|
---|
| 3134 | for (vit = mViewCells.begin(); vit != mViewCells.end(); ++ vit)
|
---|
| 3135 | {
|
---|
[582] | 3136 | ViewCell *vc = *vit;
|
---|
[577] | 3137 |
|
---|
[580] | 3138 | ViewCellContainer leaves;
|
---|
| 3139 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[577] | 3140 |
|
---|
[580] | 3141 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 3142 |
|
---|
| 3143 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
[577] | 3144 | {
|
---|
[580] | 3145 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*lit)->mLeaf;
|
---|
[577] | 3146 |
|
---|
| 3147 | Material m;
|
---|
| 3148 |
|
---|
| 3149 | float relDepth = (float)leaf->GetDepth() / (float)maxDepth;
|
---|
| 3150 | m.mDiffuseColor.r = relDepth;
|
---|
| 3151 | m.mDiffuseColor.g = 0.0f;
|
---|
| 3152 | m.mDiffuseColor.b = 1.0f - relDepth;
|
---|
| 3153 |
|
---|
| 3154 | exporter->SetForcedMaterial(m);
|
---|
| 3155 |
|
---|
| 3156 |
|
---|
| 3157 | BspNodeGeometry geom;
|
---|
| 3158 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 3159 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 3160 | }
|
---|
| 3161 | }
|
---|
| 3162 |
|
---|
| 3163 | delete exporter;
|
---|
| 3164 | }
|
---|
| 3165 |
|
---|
| 3166 |
|
---|
| 3167 | cout << "finished" << endl;
|
---|
| 3168 | }
|
---|
| 3169 |
|
---|
[442] | 3170 | //-- visualization of the BSP splits
|
---|
| 3171 | bool exportSplits = false;
|
---|
[489] | 3172 | environment->GetBoolValue("VspBspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 3173 |
|
---|
[442] | 3174 | if (exportSplits)
|
---|
| 3175 | {
|
---|
| 3176 | cout << "exporting splits ... ";
|
---|
[485] | 3177 | ExportSplits(objects, visRays);
|
---|
[442] | 3178 | cout << "finished" << endl;
|
---|
| 3179 | }
|
---|
| 3180 |
|
---|
[542] | 3181 | //-- export single view cells
|
---|
[485] | 3182 | ExportBspPvs(objects, visRays);
|
---|
[442] | 3183 | }
|
---|
| 3184 |
|
---|
[503] | 3185 |
|
---|
[485] | 3186 | void VspBspViewCellsManager::ExportSplits(const ObjectContainer &objects,
|
---|
| 3187 | const VssRayContainer &rays)
|
---|
[442] | 3188 | {
|
---|
| 3189 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 3190 |
|
---|
[503] | 3191 | if (exporter)
|
---|
| 3192 | {
|
---|
| 3193 | Material m;
|
---|
[442] | 3194 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 3195 | exporter->SetForcedMaterial(m);
|
---|
| 3196 | exporter->SetWireframe();
|
---|
[503] | 3197 |
|
---|
[448] | 3198 | exporter->ExportBspSplits(*mVspBspTree, true);
|
---|
[442] | 3199 |
|
---|
| 3200 | // take forced material, else big scenes cannot be viewed
|
---|
| 3201 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 3202 | exporter->SetForcedMaterial(m);
|
---|
| 3203 | exporter->SetFilled();
|
---|
| 3204 |
|
---|
| 3205 | exporter->ResetForcedMaterial();
|
---|
[503] | 3206 |
|
---|
[442] | 3207 | // export rays
|
---|
[485] | 3208 | if (mExportRays)
|
---|
| 3209 | exporter->ExportRays(rays, RgbColor(1, 1, 0));
|
---|
[503] | 3210 |
|
---|
[485] | 3211 | if (mExportGeometry)
|
---|
[442] | 3212 | exporter->ExportGeometry(objects);
|
---|
| 3213 |
|
---|
| 3214 | delete exporter;
|
---|
| 3215 | }
|
---|
| 3216 | }
|
---|
| 3217 |
|
---|
[503] | 3218 |
|
---|
[485] | 3219 | void VspBspViewCellsManager::ExportBspPvs(const ObjectContainer &objects,
|
---|
| 3220 | const VssRayContainer &rays)
|
---|
[442] | 3221 | {
|
---|
[639] | 3222 | const int leafOut = 20;
|
---|
[503] | 3223 |
|
---|
[442] | 3224 | ViewCell::NewMail();
|
---|
[503] | 3225 |
|
---|
[639] | 3226 | cout << "visualization using " << (int)rays.size() << " samples" << endl;
|
---|
| 3227 | Debug << "visualization using " << (int)rays.size() << " samples" << endl;
|
---|
[475] | 3228 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 3229 |
|
---|
[485] | 3230 | // sort view cells to visualize the largest view cells
|
---|
[587] | 3231 | if (0)
|
---|
| 3232 | stable_sort(mViewCells.begin(), mViewCells.end(), vc_gt);
|
---|
[639] | 3233 |
|
---|
[503] | 3234 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
[483] | 3235 |
|
---|
[639] | 3236 | int raysOut = 0;
|
---|
[587] | 3237 |
|
---|
[485] | 3238 | //-- some rays for output
|
---|
[478] | 3239 | for (int i = 0; i < limit; ++ i)
|
---|
[442] | 3240 | {
|
---|
[478] | 3241 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 3242 |
|
---|
[639] | 3243 |
|
---|
[582] | 3244 | ViewCell *vc;
|
---|
[574] | 3245 |
|
---|
| 3246 | if (0) // largest view cell pvs first
|
---|
[582] | 3247 | vc = mViewCells[i];
|
---|
[574] | 3248 | else
|
---|
[639] | 3249 | vc = mViewCells[(int)RandomValue(0, (float)mViewCells.size() - 1)];
|
---|
[442] | 3250 |
|
---|
[639] | 3251 | //bspLeaves[j]->Mail();
|
---|
| 3252 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
| 3253 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 3254 |
|
---|
| 3255 | Debug << i << ": pvs size=" << (int)mViewCellsTree->GetPvsSize(vc) << endl;
|
---|
[587] | 3256 |
|
---|
[639] | 3257 | if (1 || mExportRays)
|
---|
[442] | 3258 | {
|
---|
[643] | 3259 | if (0)
|
---|
[442] | 3260 | {
|
---|
[639] | 3261 | VssRayContainer vcRays;
|
---|
| 3262 | VssRayContainer collectRays;
|
---|
| 3263 |
|
---|
| 3264 | raysOut = min((int)rays.size(), 100);
|
---|
| 3265 |
|
---|
| 3266 | // collect intial view cells
|
---|
| 3267 | ViewCellContainer leaves;
|
---|
| 3268 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 3269 |
|
---|
| 3270 | ViewCellContainer::const_iterator vit, vit_end = leaves.end();
|
---|
| 3271 |
|
---|
| 3272 | for (vit = leaves.begin(); vit != vit_end; ++ vit)
|
---|
[574] | 3273 | {
|
---|
[639] | 3274 | BspLeaf *vcLeaf = dynamic_cast<BspViewCell *>(*vit)->mLeaf;
|
---|
| 3275 |
|
---|
| 3276 | VssRayContainer::const_iterator rit, rit_end = vcLeaf->mVssRays.end();
|
---|
[587] | 3277 |
|
---|
[639] | 3278 | for (rit = vcLeaf->mVssRays.begin(); rit != rit_end; ++ rit)
|
---|
| 3279 | {
|
---|
| 3280 | collectRays.push_back(*rit);
|
---|
| 3281 | }
|
---|
[574] | 3282 | }
|
---|
[639] | 3283 |
|
---|
| 3284 | VssRayContainer::const_iterator rit, rit_end = collectRays.end();
|
---|
| 3285 |
|
---|
| 3286 | for (rit = collectRays.begin(); rit != rit_end; ++ rit)
|
---|
| 3287 | {
|
---|
| 3288 | float p = RandomValue(0.0f, (float)collectRays.size());
|
---|
| 3289 |
|
---|
| 3290 | if (p < raysOut)
|
---|
| 3291 | vcRays.push_back(*rit);
|
---|
| 3292 | }
|
---|
| 3293 | //-- export rays piercing this view cell
|
---|
| 3294 | exporter->ExportRays(vcRays, RgbColor(1, 1, 1));
|
---|
[442] | 3295 | }
|
---|
[651] | 3296 |
|
---|
[639] | 3297 |
|
---|
[643] | 3298 | if (1)
|
---|
[639] | 3299 | {
|
---|
| 3300 | VssRayContainer vcRays;
|
---|
| 3301 | raysOut = min((int)rays.size(), mVisualizationSamples);
|
---|
| 3302 | // check whether we can add the current ray to the output rays
|
---|
| 3303 | for (int k = 0; k < raysOut; ++ k)
|
---|
| 3304 | {
|
---|
| 3305 | VssRay *ray = rays[k];
|
---|
| 3306 | for (int j = 0; j < (int)ray->mViewCells.size(); ++ j)
|
---|
| 3307 | {
|
---|
| 3308 | ViewCell *rayvc = ray->mViewCells[j];
|
---|
| 3309 |
|
---|
| 3310 | if (rayvc == vc)
|
---|
| 3311 | vcRays.push_back(ray);
|
---|
| 3312 | }
|
---|
| 3313 | }
|
---|
| 3314 |
|
---|
| 3315 | //-- export rays piercing this view cell
|
---|
| 3316 | exporter->ExportRays(vcRays, RgbColor(1, 1, 0));
|
---|
| 3317 | }
|
---|
| 3318 |
|
---|
[442] | 3319 | }
|
---|
[639] | 3320 |
|
---|
[574] | 3321 |
|
---|
[478] | 3322 | exporter->SetWireframe();
|
---|
[442] | 3323 |
|
---|
[478] | 3324 | Material m;//= RandomMaterial();
|
---|
| 3325 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 3326 | exporter->SetForcedMaterial(m);
|
---|
[442] | 3327 |
|
---|
[580] | 3328 | ExportViewCellGeometry(exporter, vc);
|
---|
[639] | 3329 |
|
---|
| 3330 | exporter->SetFilled();
|
---|
[503] | 3331 |
|
---|
[639] | 3332 |
|
---|
[574] | 3333 | if (1)
|
---|
| 3334 | {
|
---|
[639] | 3335 | ObjectPvsMap::const_iterator oit,
|
---|
| 3336 | oit_end = vc->GetPvs().mEntries.end();
|
---|
[483] | 3337 |
|
---|
[580] | 3338 |
|
---|
[639] | 3339 | exporter->SetFilled();
|
---|
[580] | 3340 |
|
---|
[639] | 3341 | Intersectable::NewMail();
|
---|
[574] | 3342 |
|
---|
[639] | 3343 | // output PVS of view cell
|
---|
| 3344 | for (oit = vc->GetPvs().mEntries.begin(); oit != oit_end; ++ oit)
|
---|
| 3345 | {
|
---|
| 3346 | Intersectable *intersect = (*oit).first;
|
---|
[442] | 3347 |
|
---|
[639] | 3348 | if (!intersect->Mailed())
|
---|
| 3349 | {
|
---|
[643] | 3350 | m = RandomMaterial();
|
---|
| 3351 | exporter->SetForcedMaterial(m);
|
---|
[442] | 3352 |
|
---|
[639] | 3353 | exporter->ExportIntersectable(intersect);
|
---|
| 3354 | intersect->Mail();
|
---|
| 3355 | }
|
---|
[503] | 3356 | }
|
---|
[442] | 3357 | }
|
---|
[639] | 3358 | else
|
---|
| 3359 | {
|
---|
[643] | 3360 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 3361 | exporter->SetForcedMaterial(m);
|
---|
| 3362 |
|
---|
[639] | 3363 | exporter->ExportGeometry(objects);
|
---|
| 3364 | }
|
---|
[503] | 3365 |
|
---|
[478] | 3366 | DEL_PTR(exporter);
|
---|
| 3367 | cout << "finished" << endl;
|
---|
[442] | 3368 | }
|
---|
[475] | 3369 |
|
---|
| 3370 | Debug << endl;
|
---|
[442] | 3371 | }
|
---|
| 3372 |
|
---|
| 3373 |
|
---|
[469] | 3374 | int VspBspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 3375 | const Vector3 &termination,
|
---|
| 3376 | ViewCellContainer &viewcells)
|
---|
[466] | 3377 | {
|
---|
[469] | 3378 | return mVspBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 3379 | }
|
---|
[482] | 3380 |
|
---|
| 3381 |
|
---|
[503] | 3382 | void VspBspViewCellsManager::ExportColor(Exporter *exporter,
|
---|
[482] | 3383 | ViewCell *vc) const
|
---|
| 3384 | {
|
---|
[564] | 3385 | const bool vcValid = CheckValidity(vc, mMinPvsSize, mMaxPvsSize);
|
---|
[503] | 3386 |
|
---|
[482] | 3387 | float importance = 0;
|
---|
[564] | 3388 | static Material m;
|
---|
| 3389 |
|
---|
[482] | 3390 | switch (mColorCode)
|
---|
| 3391 | {
|
---|
[564] | 3392 | case 0: // Random
|
---|
| 3393 | {
|
---|
| 3394 | if (vcValid)
|
---|
| 3395 | {
|
---|
[598] | 3396 | m.mDiffuseColor.r = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
| 3397 | m.mDiffuseColor.g = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
| 3398 | m.mDiffuseColor.b = 0.5f + RandomValue(0.f, 0.5f);
|
---|
[564] | 3399 | }
|
---|
| 3400 | else
|
---|
| 3401 | {
|
---|
| 3402 | m.mDiffuseColor.r = 0.0f;
|
---|
| 3403 | m.mDiffuseColor.g = 1.0f;
|
---|
| 3404 | m.mDiffuseColor.b = 0.0f;
|
---|
| 3405 | }
|
---|
[591] | 3406 |
|
---|
| 3407 | exporter->SetForcedMaterial(m);
|
---|
| 3408 | return;
|
---|
[564] | 3409 | }
|
---|
[591] | 3410 |
|
---|
[482] | 3411 | case 1: // pvs
|
---|
| 3412 | {
|
---|
[503] | 3413 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[660] | 3414 | (float)mCurrentViewCellsStats.maxPvs;
|
---|
[570] | 3415 |
|
---|
[482] | 3416 | }
|
---|
| 3417 | break;
|
---|
| 3418 | case 2: // merges
|
---|
| 3419 | {
|
---|
[580] | 3420 | int lSize = mViewCellsTree->GetSize(vc);
|
---|
[660] | 3421 | importance = (float)lSize / (float)mCurrentViewCellsStats.maxLeaves;
|
---|
[482] | 3422 | }
|
---|
| 3423 | break;
|
---|
| 3424 | case 3: // merge tree differene
|
---|
| 3425 | {
|
---|
[503] | 3426 | importance = (float)GetMaxTreeDiff(vc) /
|
---|
[482] | 3427 | (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
[547] | 3428 |
|
---|
[482] | 3429 | }
|
---|
| 3430 | break;
|
---|
| 3431 | default:
|
---|
| 3432 | break;
|
---|
| 3433 | }
|
---|
| 3434 |
|
---|
[564] | 3435 | // special color code for invalid view cells
|
---|
[482] | 3436 | m.mDiffuseColor.r = importance;
|
---|
| 3437 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
[564] | 3438 | m.mDiffuseColor.b = vcValid ? 1.0f : 0.0f;
|
---|
[547] | 3439 |
|
---|
[482] | 3440 | //Debug << "importance: " << importance << endl;
|
---|
| 3441 | exporter->SetForcedMaterial(m);
|
---|
| 3442 | }
|
---|
| 3443 |
|
---|
| 3444 |
|
---|
[580] | 3445 | void VspBspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 3446 | ViewCell *vc,
|
---|
[660] | 3447 | const Plane3 *clipPlane) const
|
---|
[482] | 3448 | {
|
---|
[542] | 3449 | if (vc->GetMesh())
|
---|
[503] | 3450 | {
|
---|
| 3451 | exporter->ExportMesh(vc->GetMesh());
|
---|
[590] | 3452 |
|
---|
[503] | 3453 | return;
|
---|
| 3454 | }
|
---|
| 3455 |
|
---|
[591] | 3456 |
|
---|
[660] | 3457 | if (clipPlane)
|
---|
[591] | 3458 | {
|
---|
| 3459 | ViewCellContainer leaves;
|
---|
| 3460 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 3461 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 3462 |
|
---|
| 3463 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 3464 | {
|
---|
| 3465 | BspNodeGeometry geom;
|
---|
| 3466 |
|
---|
| 3467 | BspNodeGeometry front;
|
---|
| 3468 | BspNodeGeometry back;
|
---|
| 3469 |
|
---|
| 3470 |
|
---|
| 3471 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 3472 |
|
---|
| 3473 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 3474 |
|
---|
| 3475 | geom.SplitGeometry(front,
|
---|
| 3476 | back,
|
---|
[660] | 3477 | *clipPlane,
|
---|
[591] | 3478 | mViewSpaceBox,
|
---|
[600] | 3479 | 0.0001f);
|
---|
[591] | 3480 |
|
---|
[600] | 3481 | if ((int)back.mPolys.size() >= 3)
|
---|
| 3482 | exporter->ExportPolygons(back.mPolys);
|
---|
[591] | 3483 | }
|
---|
| 3484 | }
|
---|
| 3485 | else
|
---|
| 3486 | {
|
---|
| 3487 | BspNodeGeometry geom;
|
---|
| 3488 | mVspBspTree->ConstructGeometry(vc, geom);
|
---|
| 3489 |
|
---|
| 3490 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 3491 | }
|
---|
[482] | 3492 | }
|
---|
| 3493 |
|
---|
| 3494 |
|
---|
| 3495 | int VspBspViewCellsManager::GetMaxTreeDiff(ViewCell *vc) const
|
---|
| 3496 | {
|
---|
[580] | 3497 | ViewCellContainer leaves;
|
---|
| 3498 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[482] | 3499 |
|
---|
| 3500 | int maxDist = 0;
|
---|
[580] | 3501 |
|
---|
[482] | 3502 | // compute max height difference
|
---|
[580] | 3503 | for (int i = 0; i < (int)leaves.size(); ++ i)
|
---|
| 3504 | for (int j = 0; j < (int)leaves.size(); ++ j)
|
---|
[482] | 3505 | {
|
---|
[580] | 3506 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(leaves[i])->mLeaf;
|
---|
[482] | 3507 |
|
---|
| 3508 | if (i != j)
|
---|
| 3509 | {
|
---|
[580] | 3510 | BspLeaf *leaf2 =dynamic_cast<BspViewCell *>(leaves[j])->mLeaf;
|
---|
[482] | 3511 | int dist = mVspBspTree->TreeDistance(leaf, leaf2);
|
---|
| 3512 | if (dist > maxDist)
|
---|
| 3513 | maxDist = dist;
|
---|
| 3514 | }
|
---|
| 3515 | }
|
---|
[580] | 3516 |
|
---|
[492] | 3517 | return maxDist;
|
---|
| 3518 | }
|
---|
[482] | 3519 |
|
---|
[492] | 3520 |
|
---|
[569] | 3521 | ViewCell *VspBspViewCellsManager::GetViewCell(const Vector3 &point) const
|
---|
[492] | 3522 | {
|
---|
[508] | 3523 | if (!mVspBspTree)
|
---|
| 3524 | return NULL;
|
---|
[572] | 3525 |
|
---|
| 3526 | if (!mViewSpaceBox.IsInside(point))
|
---|
| 3527 | return NULL;
|
---|
| 3528 |
|
---|
[508] | 3529 | return mVspBspTree->GetViewCell(point);
|
---|
[492] | 3530 | }
|
---|
[503] | 3531 |
|
---|
| 3532 |
|
---|
| 3533 | void VspBspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 3534 | {
|
---|
[577] | 3535 | if (vc->GetMesh())
|
---|
| 3536 | delete vc->GetMesh();
|
---|
| 3537 |
|
---|
[590] | 3538 |
|
---|
[503] | 3539 | BspNodeGeometry geom;
|
---|
[590] | 3540 |
|
---|
| 3541 | mVspBspTree->ConstructGeometry(vc, geom);
|
---|
[582] | 3542 |
|
---|
[503] | 3543 | Mesh *mesh = new Mesh();
|
---|
| 3544 | geom.AddToMesh(*mesh);
|
---|
| 3545 | vc->SetMesh(mesh);
|
---|
| 3546 | mMeshContainer.push_back(mesh);
|
---|
| 3547 | }
|
---|
[508] | 3548 |
|
---|
| 3549 |
|
---|
[577] | 3550 | ViewCellsManager *ViewCellsManager::LoadViewCells(const string filename,
|
---|
| 3551 | ObjectContainer *objects)
|
---|
[508] | 3552 | {
|
---|
| 3553 | ViewCellsParser parser;
|
---|
[564] | 3554 |
|
---|
[577] | 3555 | ViewCellsManager *vm = NULL;
|
---|
[564] | 3556 |
|
---|
[577] | 3557 | if (parser.ParseFile(filename, &vm, objects))
|
---|
| 3558 | {
|
---|
[590] | 3559 | //vm->PrepareLoadedViewCells();
|
---|
[577] | 3560 | vm->ResetViewCells();
|
---|
[564] | 3561 |
|
---|
[577] | 3562 | vm->mViewCellsFinished = true;
|
---|
| 3563 | vm->mMaxPvsSize = (int)objects->size();
|
---|
[517] | 3564 |
|
---|
[577] | 3565 | vm->FinalizeViewCells(true);
|
---|
[564] | 3566 |
|
---|
[577] | 3567 | Debug << (int)vm->mViewCells.size() << " view cells loaded" << endl;
|
---|
| 3568 | }
|
---|
| 3569 | else
|
---|
| 3570 | {
|
---|
| 3571 | Debug << "failed loading view cells" << endl;
|
---|
| 3572 | DEL_PTR(vm);
|
---|
| 3573 | }
|
---|
| 3574 |
|
---|
| 3575 |
|
---|
| 3576 | return vm;
|
---|
[508] | 3577 | }
|
---|
| 3578 |
|
---|
| 3579 |
|
---|
| 3580 | inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
| 3581 | {
|
---|
| 3582 | return obj1->mId < obj2->mId;
|
---|
| 3583 | }
|
---|
| 3584 |
|
---|
| 3585 |
|
---|
| 3586 | bool VspBspViewCellsManager::ExportViewCells(const string filename)
|
---|
| 3587 | {
|
---|
[564] | 3588 | cout << "exporting view cells to xml ... ";
|
---|
[508] | 3589 | std::ofstream stream;
|
---|
| 3590 |
|
---|
[577] | 3591 | // for output we need unique ids for each view cell
|
---|
[590] | 3592 | CreateUniqueViewCellIds();
|
---|
[508] | 3593 |
|
---|
[590] | 3594 |
|
---|
[508] | 3595 | stream.open(filename.c_str());
|
---|
| 3596 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 3597 | stream << "<Visibility_Solution>" << endl;
|
---|
[564] | 3598 |
|
---|
[577] | 3599 | //-- the view space bounding box
|
---|
| 3600 | stream << "<ViewSpaceBox"
|
---|
| 3601 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
| 3602 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\" />" << endl;
|
---|
| 3603 |
|
---|
| 3604 | //-- the type of the view cells hierarchy
|
---|
| 3605 | stream << "<Hierarchy name=\"vspBspTree\" />" << endl;
|
---|
| 3606 |
|
---|
[508] | 3607 | //-- load the view cells itself, i.e., the ids and the pvs
|
---|
| 3608 | stream << "<ViewCells>" << endl;
|
---|
[610] | 3609 |
|
---|
| 3610 | #if 0
|
---|
| 3611 |
|
---|
[508] | 3612 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
[610] | 3613 |
|
---|
[508] | 3614 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 3615 | ExportViewCell(*it, stream);
|
---|
[610] | 3616 | #else
|
---|
| 3617 | mViewCellsTree->Export(stream);
|
---|
| 3618 | #endif
|
---|
[564] | 3619 |
|
---|
[508] | 3620 | stream << "</ViewCells>" << endl;
|
---|
[564] | 3621 |
|
---|
[508] | 3622 | //-- load the hierarchy
|
---|
[590] | 3623 | stream << "<Hierarchy>" << endl;
|
---|
[508] | 3624 | mVspBspTree->Export(stream);
|
---|
[590] | 3625 | stream << endl << "</Hierarchy>" << endl;
|
---|
[564] | 3626 |
|
---|
[508] | 3627 | stream << "</Visibility_Solution>" << endl;
|
---|
| 3628 | stream.close();
|
---|
| 3629 |
|
---|
| 3630 | cout << "finished" << endl;
|
---|
| 3631 |
|
---|
| 3632 | return true;
|
---|
[532] | 3633 | }
|
---|
| 3634 |
|
---|
| 3635 |
|
---|
| 3636 | int VspBspViewCellsManager::CastBeam(Beam &beam)
|
---|
| 3637 | {
|
---|
[535] | 3638 | return mVspBspTree->CastBeam(beam);
|
---|
[532] | 3639 | }
|
---|
[551] | 3640 |
|
---|
| 3641 |
|
---|
[587] | 3642 | void VspBspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 3643 | const bool createMesh)
|
---|
[551] | 3644 | {
|
---|
[582] | 3645 | CreateMesh(viewCell);
|
---|
[551] | 3646 |
|
---|
| 3647 | float area = 0;
|
---|
| 3648 | float volume = 0;
|
---|
| 3649 |
|
---|
[580] | 3650 | ViewCellContainer leaves;
|
---|
[582] | 3651 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
[580] | 3652 |
|
---|
| 3653 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 3654 |
|
---|
| 3655 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[551] | 3656 | {
|
---|
| 3657 | BspNodeGeometry geom;
|
---|
[580] | 3658 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
[551] | 3659 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 3660 |
|
---|
| 3661 | area += geom.GetArea();
|
---|
| 3662 | volume += geom.GetVolume();
|
---|
| 3663 | }
|
---|
| 3664 |
|
---|
| 3665 | viewCell->SetVolume(volume);
|
---|
| 3666 | viewCell->SetArea(area);
|
---|
[563] | 3667 | }
|
---|
[575] | 3668 |
|
---|
| 3669 |
|
---|
[577] | 3670 | void VspBspViewCellsManager::PrepareLoadedViewCells()
|
---|
| 3671 | {
|
---|
| 3672 | // TODO: do I still need this here?
|
---|
[590] | 3673 | if (0)
|
---|
[577] | 3674 | mVspBspTree->RepairViewCellsLeafLists();
|
---|
| 3675 | }
|
---|
[575] | 3676 |
|
---|
[577] | 3677 |
|
---|
[580] | 3678 |
|
---|
| 3679 | void VspBspViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 3680 | vector<MergeCandidate> &candidates)
|
---|
| 3681 | {
|
---|
| 3682 | cout << "collecting merge candidates ... " << endl;
|
---|
| 3683 |
|
---|
| 3684 | if (mUseRaysForMerge)
|
---|
| 3685 | {
|
---|
| 3686 | mVspBspTree->CollectMergeCandidates(rays, candidates);
|
---|
| 3687 | }
|
---|
| 3688 | else
|
---|
| 3689 | {
|
---|
| 3690 | vector<BspLeaf *> leaves;
|
---|
| 3691 | mVspBspTree->CollectLeaves(leaves);
|
---|
| 3692 | mVspBspTree->CollectMergeCandidates(leaves, candidates);
|
---|
| 3693 | }
|
---|
| 3694 |
|
---|
| 3695 | cout << "fininshed collecting candidates" << endl;
|
---|
| 3696 | }
|
---|
| 3697 |
|
---|
| 3698 |
|
---|
[590] | 3699 | void VspBspViewCellsManager::AddCurrentViewCellsToHierarchy()
|
---|
| 3700 | {
|
---|
| 3701 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 3702 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 3703 | {
|
---|
| 3704 | }
|
---|
| 3705 | }
|
---|
[580] | 3706 |
|
---|
| 3707 | //////////////////////////////////
|
---|
[575] | 3708 | ViewCellsManager *ViewCellsManagerFactory::Create(const string mName)
|
---|
| 3709 | {
|
---|
| 3710 | //TODO
|
---|
| 3711 | return NULL;// new VspBspViewCellsManager();
|
---|
| 3712 | }
|
---|
[580] | 3713 |
|
---|