[372] | 1 | #include "SceneGraph.h"
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| 2 | #include "Exporter.h"
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| 3 | #include "UnigraphicsParser.h"
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| 4 | #include "X3dParser.h"
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| 5 | #include "Preprocessor.h"
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| 6 | #include "ViewCell.h"
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| 7 | #include "Environment.h"
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[439] | 8 | #include "ViewCellsManager.h"
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[445] | 9 | #include "ViewCellBsp.h"
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| 10 | #include "VspBspTree.h"
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[469] | 11 | #include "RenderSimulator.h"
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[496] | 12 | #include "GlRenderer.h"
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[749] | 13 | #include "PlyParser.h"
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[1020] | 14 | #include "SamplingStrategy.h"
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[1233] | 15 | #include "VspTree.h"
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| 16 | #include "OspTree.h"
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[1221] | 17 | #include "ObjParser.h"
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[1264] | 18 | #include "BvHierarchy.h"
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[1279] | 19 | #include "HierarchyManager.h"
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[1287] | 20 | #include "VssRay.h"
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[1520] | 21 | #include "IntelRayCaster.h"
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| 22 | #include "InternalRayCaster.h"
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[1264] | 23 |
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[1287] | 24 |
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[372] | 25 |
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[1292] | 26 | #define DEBUG_RAYCAST 0
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[1584] | 27 | #define SHOW_RAYCAST_TIMING 1
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[1292] | 28 |
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| 29 |
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[863] | 30 | namespace GtpVisibilityPreprocessor {
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[860] | 31 |
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[1867] | 32 | const static bool ADDITIONAL_GEOMETRY_HACK = false;
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[860] | 33 |
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[1867] | 34 | Preprocessor *preprocessor = NULL;
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| 35 |
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[1001] | 36 | // HACK: Artificially modify scene to watch rendercost changes
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[750] | 37 | static void AddGeometry(SceneGraph *scene)
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| 38 | {
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[1328] | 39 | scene->GetRoot()->UpdateBox();
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[752] | 40 |
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[750] | 41 | AxisAlignedBox3 sceneBox = scene->GetBox();
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| 42 |
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| 43 | int n = 200;
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| 44 |
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[1291] | 45 | if (0)
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[750] | 46 | {
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[1291] | 47 | // form grid of boxes
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| 48 | for (int i = 0; i < n; ++ i)
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[750] | 49 | {
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[1291] | 50 | for (int j = 0; j < n; ++ j)
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| 51 | {
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| 52 | const Vector3 scale2((float)j * 0.8f / n + 0.1f, 0.05f, (float)i * 0.8f / (float)n + 0.1f);
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[750] | 53 |
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[1291] | 54 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 55 |
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| 56 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 57 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 58 | Mesh *mesh = CreateMeshFromBox(box);
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| 59 |
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| 60 | mesh->Preprocess();
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| 61 |
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| 62 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 63 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 64 | }
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[750] | 65 | }
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| 66 |
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[1291] | 67 | for (int i = 0; i < n; ++ i)
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[750] | 68 | {
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[1291] | 69 | for (int j = 0; j < n; ++ j)
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| 70 | {
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| 71 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
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| 72 |
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| 73 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 74 |
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| 75 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 76 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 77 | Mesh *mesh = CreateMeshFromBox(box);
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| 78 |
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| 79 | mesh->Preprocess();
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| 80 |
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| 81 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 82 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 83 | }
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| 84 | }
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| 85 |
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| 86 | for (int i = 0; i < n; ++ i)
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| 87 | {
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| 88 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
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| 89 |
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[750] | 90 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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[1291] | 91 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
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| 92 |
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| 93 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
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[991] | 94 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 95 |
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| 96 | mesh->Preprocess();
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[1291] | 97 |
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[750] | 98 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 99 | scene->GetRoot()->mGeometry.push_back(mi);
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[750] | 100 | }
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[1291] | 101 |
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[1328] | 102 | scene->GetRoot()->UpdateBox();
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[750] | 103 | }
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| 104 |
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[840] | 105 | if (1)
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| 106 | {
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[1221] | 107 | // plane separating view space regions
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[1135] | 108 | const Vector3 scale(1.0f, 0.0, 0);
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[750] | 109 |
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[840] | 110 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
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[750] | 111 |
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[840] | 112 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
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| 113 | Mesh *planeMesh = new Mesh();
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[1291] | 114 |
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[840] | 115 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
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| 116 | IncludePolyInMesh(*poly, *planeMesh);
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[1291] | 117 |
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[840] | 118 | planeMesh->Preprocess();
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[1291] | 119 |
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[840] | 120 | MeshInstance *planeMi = new MeshInstance(planeMesh);
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[1328] | 121 | scene->GetRoot()->mGeometry.push_back(planeMi);
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[840] | 122 | }
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[750] | 123 | }
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| 124 |
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| 125 |
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[372] | 126 | Preprocessor::Preprocessor():
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| 127 | mKdTree(NULL),
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[409] | 128 | mBspTree(NULL),
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[445] | 129 | mVspBspTree(NULL),
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[1002] | 130 | mViewCellsManager(NULL),
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[1251] | 131 | mRenderSimulator(NULL),
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[1279] | 132 | mPass(0),
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[1520] | 133 | mSceneGraph(NULL),
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[1613] | 134 | mRayCaster(NULL),
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| 135 | mStopComputation(false)
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[308] | 136 | {
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[1004] | 137 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 138 |
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[840] | 139 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 140 | renderer = NULL;
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[1785] | 141 |
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[1613] | 142 | Environment::GetSingleton()->GetBoolValue("Preprocessor.delayVisibilityComputation",
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| 143 | mDelayVisibilityComputation);
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| 144 |
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[1004] | 145 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 146 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 148 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 150 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1520] | 151 |
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[871] | 152 | char buffer[256];
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[1004] | 153 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[871] | 154 | mVisibilityFileName = buffer;
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[1771] | 155 |
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| 156 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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| 157 | mStats.open(buffer);
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| 158 |
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| 159 |
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[1749] | 160 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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[1004] | 161 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[1695] | 162 | mApplyVisibilitySpatialFilter );
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[1004] | 163 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 164 |
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[1695] | 165 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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| 166 |
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[1723] | 167 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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| 168 |
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[1900] | 169 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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| 170 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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| 171 |
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[1695] | 172 | Debug << "******* Preprocessor Options **********" << endl;
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[840] | 173 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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[1379] | 174 | Debug << "load meshes: " << mLoadMeshes << endl;
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[1695] | 175 | Debug << "load meshes: " << mLoadMeshes << endl;
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| 176 | Debug << "export obj: " << mExportObj << endl;
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[1723] | 177 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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[372] | 178 | }
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| 179 |
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| 180 |
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| 181 | Preprocessor::~Preprocessor()
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| 182 | {
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[1291] | 183 | cout << "cleaning up" << endl;
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[752] | 184 |
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[1291] | 185 | cout << "Deleting view cells manager ... \n";
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| 186 | DEL_PTR(mViewCellsManager);
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| 187 | cout << "done.\n";
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[752] | 188 |
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[1291] | 189 | cout << "Deleting bsp tree ... \n";
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| 190 | DEL_PTR(mBspTree);
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| 191 | cout << "done.\n";
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[752] | 192 |
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[1291] | 193 | cout << "Deleting kd tree...\n";
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| 194 | DEL_PTR(mKdTree);
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| 195 | cout << "done.\n";
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[752] | 196 |
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[1291] | 197 | cout << "Deleting vspbsp tree...\n";
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| 198 | DEL_PTR(mVspBspTree);
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| 199 | cout << "done.\n";
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[1002] | 200 |
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[1291] | 201 | cout << "Deleting scene graph...\n";
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| 202 | DEL_PTR(mSceneGraph);
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| 203 | cout << "done.\n";
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| 204 |
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| 205 | DEL_PTR(mRenderSimulator);
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| 206 | DEL_PTR(renderer);
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[1523] | 207 | DEL_PTR(mRayCaster);
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[372] | 208 | }
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| 209 |
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[1521] | 210 |
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| 211 | GlRendererBuffer *Preprocessor::GetRenderer()
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| 212 | {
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| 213 | return renderer;
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| 214 | }
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| 215 |
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| 216 |
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| 217 | static int SplitFilenames(const string str, vector<string> &filenames)
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[387] | 218 | {
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| 219 | int pos = 0;
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| 220 |
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| 221 | while(1) {
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[469] | 222 | int npos = (int)str.find(';', pos);
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[387] | 223 |
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| 224 | if (npos < 0 || npos - pos < 1)
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| 225 | break;
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| 226 | filenames.push_back(string(str, pos, npos - pos));
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| 227 | pos = npos + 1;
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| 228 | }
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| 229 |
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| 230 | filenames.push_back(string(str, pos, str.size() - pos));
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[440] | 231 | return (int)filenames.size();
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[387] | 232 | }
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| 233 |
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[750] | 234 |
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[1655] | 235 | bool Preprocessor::LoadBinaryObj(const string filename,
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| 236 | SceneGraphNode *root,
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| 237 | vector<FaceParentInfo> *parents)
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| 238 | {
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[1658] | 239 | //ifstream samplesIn(filename, ios::binary);
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| 240 | igzstream samplesIn(filename.c_str());
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| 241 |
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[1655] | 242 | if (!samplesIn.is_open())
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| 243 | return false;
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| 244 |
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[1658] | 245 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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[1655] | 246 | // table associating indices with vectors
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| 247 | map<int, Vector3> hashTable;
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[1658] | 248 |
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[1655] | 249 | // table for vertices
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| 250 | VertexContainer vertices;
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| 251 | FaceContainer faces;
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| 252 |
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[1786] | 253 | if (parents)
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| 254 | cout << "using face parents" << endl;
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| 255 | else
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| 256 | cout << "not using face parents" << endl;
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| 257 |
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[1655] | 258 | while (1)
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| 259 | {
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| 260 | Triangle3 tri;
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| 261 |
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| 262 | samplesIn.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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| 263 | samplesIn.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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| 264 | samplesIn.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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| 265 |
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| 266 | // end of file reached
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| 267 | if (samplesIn.eof())
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| 268 | break;
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| 269 |
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| 270 | TriangleIntersectable *obj = new TriangleIntersectable(tri);
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| 271 | root->mGeometry.push_back(obj);
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| 272 |
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| 273 | // matt: we don't really need to keep an additional data structure
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| 274 | // if working with triangles => remove this
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| 275 | if (parents)
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| 276 | {
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| 277 | FaceParentInfo info(obj, 0);
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| 278 | parents->push_back(info);
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| 279 | }
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| 280 | }
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| 281 |
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| 282 | return true;
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| 283 | }
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| 284 |
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| 285 |
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[1658] | 286 | bool Preprocessor::ExportBinaryObj(const string filename, SceneGraphNode *root)
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| 287 | {
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| 288 | //ifstream samplesIn(filename, ios::binary);
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| 289 | ogzstream samplesOut(filename.c_str());
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| 290 | if (!samplesOut.is_open())
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| 291 | return false;
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| 292 |
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| 293 | ObjectContainer::const_iterator oit, oit_end = root->mGeometry.end();
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| 294 |
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| 295 | for (oit = root->mGeometry.begin(); oit != oit_end; ++ oit)
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| 296 | {
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| 297 | Intersectable *obj = *oit;
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| 298 |
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| 299 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 300 | {
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| 301 | Triangle3 tri = dynamic_cast<TriangleIntersectable *>(obj)->GetItem();
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| 302 |
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| 303 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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| 304 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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| 305 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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| 306 | }
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| 307 | else
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| 308 | {
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| 309 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 310 | }
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| 311 | }
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| 312 |
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| 313 | return true;
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| 314 | }
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| 315 |
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[1695] | 316 |
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| 317 | bool Preprocessor::ExportObj(const string filename, const ObjectContainer &objects)
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| 318 | {
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| 319 | ofstream samplesOut(filename.c_str());
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| 320 |
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| 321 | if (!samplesOut.is_open())
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| 322 | return false;
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| 323 |
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| 324 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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| 325 |
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[1713] | 326 | AxisAlignedBox3 bbox = mSceneGraph->GetBox(); bbox.Enlarge(30.0);
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[1695] | 327 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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| 328 | {
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| 329 | Intersectable *obj = *oit;
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| 330 |
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| 331 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 332 | {
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| 333 | Triangle3 tri = dynamic_cast<TriangleIntersectable *>(obj)->GetItem();
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[1701] | 334 | //if (bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))
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| 335 | //{
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[1713] | 336 | samplesOut << "v " << tri.mVertices[0].x << " " << tri.mVertices[0].y << " " << tri.mVertices[0].z << endl;
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| 337 | samplesOut << "v " << tri.mVertices[1].x << " " << tri.mVertices[1].y << " " << tri.mVertices[1].z << endl;
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| 338 | samplesOut << "v " << tri.mVertices[2].x << " " << tri.mVertices[2].y << " " << tri.mVertices[2].z << endl;
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[1701] | 339 | //}
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[1695] | 340 | }
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| 341 | else
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| 342 | {
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| 343 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 344 | }
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| 345 | }
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| 346 |
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| 347 | // write faces
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| 348 | int i = 1;
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[1713] | 349 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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[1695] | 350 | {
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| 351 | Intersectable *obj = *oit;
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| 352 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 353 | {
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[1713] | 354 | //Triangle3 tri = dynamic_cast<TriangleIntersectable *>(obj)->GetItem();
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| 355 | //if (bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))
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| 356 | //{
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| 357 | Triangle3 tri = dynamic_cast<TriangleIntersectable *>(obj)->GetItem();
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| 358 | samplesOut << "f " << i << " " << i + 1 << " " << i + 2 << endl;
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| 359 | i += 3;
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| 360 | //}
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[1695] | 361 | }
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| 362 | else
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| 363 | {
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| 364 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 365 | }
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| 366 | }
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| 367 |
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| 368 | return true;
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| 369 |
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| 370 | }
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| 371 |
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[1658] | 372 | static string ReplaceSuffix(string filename, string a, string b)
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| 373 | {
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| 374 | string result = filename;
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| 375 |
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| 376 | int pos = (int)filename.rfind(a, (int)filename.size() - 1);
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| 377 | if (pos == filename.size() - a.size()) {
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| 378 | result.replace(pos, a.size(), b);
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| 379 | }
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| 380 | return result;
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| 381 | }
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| 382 |
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| 383 |
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[1786] | 384 | Intersectable *Preprocessor::GetParentObject(const int index) const
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| 385 | {
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| 386 | if (index == -1)
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| 387 | return NULL;
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| 388 |
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| 389 | if (!mFaceParents.empty())
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| 390 | {
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| 391 | if (index >= (int)mFaceParents.size())
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| 392 | {
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| 393 | cerr<<"Warning: triangle index out of range! "<<index<<endl;
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| 394 | return NULL;
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| 395 | }
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| 396 | else
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| 397 | {
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| 398 | return mFaceParents[index].mObject;
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| 399 | }
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| 400 | }
|
---|
| 401 | else
|
---|
| 402 | {
|
---|
| 403 | if (index >= (int)mObjects.size())
|
---|
| 404 | {
|
---|
| 405 | cerr<<"Warning: triangle index out of range! "<<index<<endl;
|
---|
| 406 | return NULL;
|
---|
| 407 | }
|
---|
| 408 | else
|
---|
| 409 | {
|
---|
| 410 | return mObjects[index];
|
---|
| 411 | }
|
---|
| 412 | }
|
---|
| 413 | }
|
---|
| 414 |
|
---|
| 415 |
|
---|
| 416 | Vector3 Preprocessor::GetParentNormal(const int index) const
|
---|
| 417 | {
|
---|
| 418 | if (!mFaceParents.empty())
|
---|
| 419 | {
|
---|
| 420 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
|
---|
| 421 | }
|
---|
| 422 | else
|
---|
| 423 | {
|
---|
| 424 | return mObjects[index]->GetNormal(0);
|
---|
| 425 | }
|
---|
| 426 | }
|
---|
| 427 |
|
---|
| 428 |
|
---|
[372] | 429 | bool
|
---|
| 430 | Preprocessor::LoadScene(const string filename)
|
---|
| 431 | {
|
---|
[1655] | 432 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
[508] | 433 | mSceneGraph = new SceneGraph;
|
---|
[372] | 434 |
|
---|
[508] | 435 | Parser *parser;
|
---|
[387] | 436 | vector<string> filenames;
|
---|
[1404] | 437 | const int files = SplitFilenames(filename, filenames);
|
---|
[712] | 438 | cout << "number of input files: " << files << endl;
|
---|
[387] | 439 | bool result = false;
|
---|
[1695] | 440 | bool isObj = false;
|
---|
[1344] | 441 |
|
---|
| 442 | // root for different files
|
---|
| 443 | mSceneGraph->SetRoot(new SceneGraphNode());
|
---|
| 444 |
|
---|
[1404] | 445 | // intel ray caster can only trace triangles
|
---|
[1520] | 446 | int rayCastMethod;
|
---|
| 447 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
[1827] | 448 | vector<FaceParentInfo> *fi =
|
---|
[1867] | 449 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER) && mLoadMeshes) ?
|
---|
| 450 | &mFaceParents : NULL;
|
---|
| 451 |
|
---|
[1658] | 452 | if (files == 1)
|
---|
[1867] | 453 | {
|
---|
[387] | 454 | if (strstr(filename.c_str(), ".x3d"))
|
---|
[1867] | 455 | {
|
---|
[1655] | 456 | parser = new X3dParser;
|
---|
[1658] | 457 |
|
---|
| 458 | result = parser->ParseFile(filename,
|
---|
| 459 | mSceneGraph->GetRoot(),
|
---|
| 460 | mLoadMeshes,
|
---|
| 461 | fi);
|
---|
| 462 | delete parser;
|
---|
[1655] | 463 | }
|
---|
[1658] | 464 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
|
---|
[1655] | 465 | {
|
---|
[1658] | 466 | parser = new PlyParser;
|
---|
[1655] | 467 |
|
---|
[1658] | 468 | result = parser->ParseFile(filename,
|
---|
| 469 | mSceneGraph->GetRoot(),
|
---|
| 470 | mLoadMeshes,
|
---|
| 471 | fi);
|
---|
| 472 | delete parser;
|
---|
[1655] | 473 | }
|
---|
[1658] | 474 | else if (strstr(filename.c_str(), ".obj"))
|
---|
| 475 | {
|
---|
[1695] | 476 | isObj = true;
|
---|
| 477 |
|
---|
[1658] | 478 | // hack: load binary dump
|
---|
| 479 | string binFile = ReplaceSuffix(filename, ".obj", ".bin");
|
---|
[372] | 480 |
|
---|
[1658] | 481 | if (!mLoadMeshes)
|
---|
| 482 | {
|
---|
| 483 | result = LoadBinaryObj(binFile, mSceneGraph->GetRoot(), fi);
|
---|
| 484 | }
|
---|
| 485 |
|
---|
| 486 | if (!result)
|
---|
| 487 | {
|
---|
| 488 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
|
---|
| 489 | parser = new ObjParser;
|
---|
[1404] | 490 |
|
---|
[1658] | 491 | result = parser->ParseFile(filename,
|
---|
[1655] | 492 | mSceneGraph->GetRoot(),
|
---|
| 493 | mLoadMeshes,
|
---|
| 494 | fi);
|
---|
[1658] | 495 |
|
---|
| 496 | // only works for triangles
|
---|
| 497 | if (!mLoadMeshes)
|
---|
| 498 | {
|
---|
| 499 | cout << "exporting binary obj to " << binFile << "... " << endl;
|
---|
| 500 | ExportBinaryObj(binFile, mSceneGraph->GetRoot());
|
---|
| 501 | cout << "finished" << endl;
|
---|
| 502 | }
|
---|
[1655] | 503 |
|
---|
[1658] | 504 | delete parser;
|
---|
| 505 | }
|
---|
[1660] | 506 | else if (0)
|
---|
[1658] | 507 | {
|
---|
| 508 | ExportBinaryObj("../data/test.bin", mSceneGraph->GetRoot());
|
---|
| 509 | }
|
---|
| 510 | }
|
---|
| 511 | else
|
---|
| 512 | {
|
---|
| 513 | parser = new UnigraphicsParser;
|
---|
| 514 | result = parser->ParseFile(filename,
|
---|
| 515 | mSceneGraph->GetRoot(),
|
---|
| 516 | mLoadMeshes,
|
---|
| 517 | fi);
|
---|
| 518 | delete parser;
|
---|
| 519 | }
|
---|
| 520 |
|
---|
| 521 | cout << filename << endl;
|
---|
[1404] | 522 | }
|
---|
[1658] | 523 | else
|
---|
| 524 | {
|
---|
[1404] | 525 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
[1344] | 526 |
|
---|
[1404] | 527 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
| 528 | {
|
---|
| 529 | const string filename = *fit;
|
---|
[1328] | 530 |
|
---|
[1404] | 531 | cout << "parsing file " << filename.c_str() << endl;
|
---|
| 532 | if (strstr(filename.c_str(), ".x3d"))
|
---|
| 533 | parser = new X3dParser;
|
---|
| 534 | else
|
---|
| 535 | parser = new UnigraphicsParser;
|
---|
| 536 |
|
---|
| 537 | SceneGraphNode *node = new SceneGraphNode();
|
---|
[1695] | 538 | const bool success =
|
---|
| 539 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
[1404] | 540 |
|
---|
| 541 | if (success)
|
---|
| 542 | {
|
---|
| 543 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
| 544 | result = true; // at least one file parsed
|
---|
| 545 | }
|
---|
| 546 |
|
---|
[1713] | 547 | // temporare hack
|
---|
[1701] | 548 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
| 549 |
|
---|
[1404] | 550 | delete parser;
|
---|
[387] | 551 | }
|
---|
| 552 | }
|
---|
[1344] | 553 |
|
---|
[752] | 554 | if (result)
|
---|
[1344] | 555 | {
|
---|
[752] | 556 | // HACK
|
---|
[1020] | 557 | if (ADDITIONAL_GEOMETRY_HACK)
|
---|
| 558 | AddGeometry(mSceneGraph);
|
---|
[1328] | 559 |
|
---|
[1020] | 560 | mSceneGraph->AssignObjectIds();
|
---|
[1344] | 561 |
|
---|
[1020] | 562 | int intersectables, faces;
|
---|
| 563 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
[1344] | 564 |
|
---|
[1020] | 565 | cout<<filename<<" parsed successfully."<<endl;
|
---|
| 566 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
| 567 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
[1701] | 568 |
|
---|
[1697] | 569 | mObjects.reserve(intersectables);
|
---|
[1020] | 570 | mSceneGraph->CollectObjects(&mObjects);
|
---|
[1713] | 571 |
|
---|
| 572 | // temp hack
|
---|
| 573 | //ExportObj("cropped_vienna.obj", mObjects);
|
---|
[1328] | 574 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
[1713] | 575 |
|
---|
| 576 | cout << "finished loading" << endl;
|
---|
[387] | 577 | }
|
---|
[1328] | 578 |
|
---|
[492] | 579 | return result;
|
---|
[372] | 580 | }
|
---|
| 581 |
|
---|
| 582 | bool
|
---|
| 583 | Preprocessor::ExportPreprocessedData(const string filename)
|
---|
| 584 | {
|
---|
[1486] | 585 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
| 586 | return true;
|
---|
[372] | 587 | }
|
---|
| 588 |
|
---|
[1486] | 589 |
|
---|
[372] | 590 | bool
|
---|
[871] | 591 | Preprocessor::PostProcessVisibility()
|
---|
| 592 | {
|
---|
| 593 |
|
---|
[904] | 594 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
[997] | 595 | cout<<"Applying visibility filter ...";
|
---|
[1002] | 596 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
[904] | 597 |
|
---|
[1002] | 598 | if (!mViewCellsManager)
|
---|
[1199] | 599 | return false;
|
---|
| 600 |
|
---|
[871] | 601 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
[904] | 602 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
|
---|
| 603 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
|
---|
[997] | 604 | cout << "done." << endl;
|
---|
[871] | 605 | }
|
---|
| 606 |
|
---|
| 607 | // export the preprocessed information to a file
|
---|
| 608 | if (mExportVisibility)
|
---|
[1486] | 609 | {
|
---|
| 610 | ExportPreprocessedData(mVisibilityFileName);
|
---|
| 611 | }
|
---|
| 612 |
|
---|
[871] | 613 | return true;
|
---|
| 614 | }
|
---|
| 615 |
|
---|
| 616 |
|
---|
| 617 | bool
|
---|
[372] | 618 | Preprocessor::BuildKdTree()
|
---|
| 619 | {
|
---|
| 620 | mKdTree = new KdTree;
|
---|
[1344] | 621 |
|
---|
[372] | 622 | // add mesh instances of the scene graph to the root of the tree
|
---|
| 623 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
[1344] | 624 |
|
---|
[372] | 625 | mSceneGraph->CollectObjects(&root->mObjects);
|
---|
[1344] | 626 |
|
---|
[1415] | 627 | const long startTime = GetTime();
|
---|
[1201] | 628 | cout << "building kd tree ... " << endl;
|
---|
[1344] | 629 |
|
---|
[372] | 630 | mKdTree->Construct();
|
---|
[1344] | 631 |
|
---|
[1415] | 632 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 633 | << " secs " << endl;
|
---|
[1344] | 634 |
|
---|
[372] | 635 | return true;
|
---|
| 636 | }
|
---|
| 637 |
|
---|
[1415] | 638 |
|
---|
[372] | 639 | void
|
---|
| 640 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
| 641 | {
|
---|
| 642 | s<<mKdTree->GetStatistics();
|
---|
| 643 | }
|
---|
| 644 |
|
---|
| 645 | void
|
---|
| 646 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
| 647 | {
|
---|
| 648 | s << mBspTree->GetStatistics();
|
---|
| 649 | }
|
---|
| 650 |
|
---|
| 651 | bool
|
---|
| 652 | Preprocessor::Export( const string filename,
|
---|
[492] | 653 | const bool scene,
|
---|
[1545] | 654 | const bool kdtree
|
---|
[492] | 655 | )
|
---|
[372] | 656 | {
|
---|
| 657 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
| 658 |
|
---|
| 659 | if (exporter) {
|
---|
[1545] | 660 | if (2 && scene)
|
---|
[1328] | 661 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
[372] | 662 |
|
---|
[1545] | 663 | if (1 && kdtree) {
|
---|
[372] | 664 | exporter->SetWireframe();
|
---|
| 665 | exporter->ExportKdTree(*mKdTree);
|
---|
| 666 | }
|
---|
| 667 |
|
---|
| 668 | delete exporter;
|
---|
| 669 | return true;
|
---|
| 670 | }
|
---|
| 671 |
|
---|
| 672 | return false;
|
---|
| 673 | }
|
---|
[429] | 674 |
|
---|
[508] | 675 |
|
---|
[463] | 676 | bool Preprocessor::PrepareViewCells()
|
---|
| 677 | {
|
---|
[1523] | 678 | ///////
|
---|
[577] | 679 | //-- parse view cells construction method
|
---|
[1563] | 680 |
|
---|
[1004] | 681 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 682 | char buf[100];
|
---|
[1585] | 683 |
|
---|
[577] | 684 | if (mLoadViewCells)
|
---|
[997] | 685 | {
|
---|
[1740] | 686 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
| 687 | cout << "loading view cells from " << buf << endl<<flush;
|
---|
[1715] | 688 |
|
---|
[1740] | 689 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true, NULL);
|
---|
| 690 |
|
---|
| 691 | cout << "view cells loaded." << endl<<flush;
|
---|
| 692 |
|
---|
| 693 | if (!mViewCellsManager)
|
---|
| 694 | {
|
---|
| 695 | return false;
|
---|
| 696 | }
|
---|
[577] | 697 | }
|
---|
| 698 | else
|
---|
| 699 | {
|
---|
[1288] | 700 | // parse type of view cell container
|
---|
[1004] | 701 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1740] | 702 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 703 |
|
---|
| 704 | // default view space is the extent of the scene
|
---|
[1723] | 705 | AxisAlignedBox3 viewSpaceBox;
|
---|
[1740] | 706 |
|
---|
[1723] | 707 | if (mUseViewSpaceBox)
|
---|
[1563] | 708 | {
|
---|
[1723] | 709 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
| 710 |
|
---|
[1563] | 711 | // use a small box outside of the scene
|
---|
[1723] | 712 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
| 713 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
| 714 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
| 715 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
[1563] | 716 | }
|
---|
[1723] | 717 | else
|
---|
| 718 | {
|
---|
| 719 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
| 720 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
| 721 | }
|
---|
[1545] | 722 |
|
---|
| 723 | bool loadVcGeometry;
|
---|
| 724 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
| 725 |
|
---|
| 726 | bool extrudeBaseTriangles;
|
---|
| 727 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
| 728 |
|
---|
| 729 | char vcGeomFilename[100];
|
---|
| 730 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
[1740] | 731 |
|
---|
[1627] | 732 | if (loadVcGeometry)
|
---|
[1545] | 733 | {
|
---|
[1627] | 734 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
[1545] | 735 | {
|
---|
[1627] | 736 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
| 737 | {
|
---|
| 738 | cerr << "loading view cells geometry failed" << endl;
|
---|
| 739 | }
|
---|
[1545] | 740 | }
|
---|
[1627] | 741 | else
|
---|
| 742 | {
|
---|
| 743 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
| 744 | }
|
---|
[1545] | 745 | }
|
---|
[577] | 746 | }
|
---|
[1740] | 747 |
|
---|
[1486] | 748 | ////////
|
---|
[1523] | 749 | //-- evaluation of render cost heuristics
|
---|
[1768] | 750 |
|
---|
[473] | 751 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 752 |
|
---|
[1004] | 753 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 754 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 755 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[1740] | 756 |
|
---|
[473] | 757 | mRenderSimulator =
|
---|
| 758 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 759 |
|
---|
[480] | 760 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[1740] | 761 |
|
---|
[1785] | 762 |
|
---|
[1581] | 763 | mViewCellsManager->SetPreprocessor(this);
|
---|
[463] | 764 | return true;
|
---|
[490] | 765 | }
|
---|
| 766 |
|
---|
[1292] | 767 |
|
---|
[1563] | 768 | bool Preprocessor::ConstructViewCells()
|
---|
[1292] | 769 | {
|
---|
[1627] | 770 | // construct view cells using it's own set of samples
|
---|
| 771 | mViewCellsManager->Construct(this);
|
---|
| 772 |
|
---|
| 773 | // visualizations and statistics
|
---|
| 774 | Debug << "finished view cells:" << endl;
|
---|
| 775 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 776 |
|
---|
| 777 | return true;
|
---|
[1292] | 778 | }
|
---|
[490] | 779 |
|
---|
[1294] | 780 |
|
---|
[575] | 781 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 782 | {
|
---|
[1264] | 783 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 784 |
|
---|
[575] | 785 | if (strcmp(name, "kdTree") == 0)
|
---|
| 786 | {
|
---|
[1264] | 787 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 788 | }
|
---|
| 789 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 790 | {
|
---|
| 791 | Debug << "view cell type: Bsp" << endl;
|
---|
| 792 |
|
---|
[577] | 793 | mBspTree = new BspTree();
|
---|
[1264] | 794 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 795 | }
|
---|
| 796 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 797 | {
|
---|
| 798 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 799 |
|
---|
[1004] | 800 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 801 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 802 | }
|
---|
[1006] | 803 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 804 | {
|
---|
[1421] | 805 | Debug << "view cell type: VspOsp" << endl;
|
---|
[1288] | 806 | char buf[100];
|
---|
| 807 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 808 |
|
---|
[1740] | 809 | mViewCellsManager = new VspOspViewCellsManager(vcTree, buf);
|
---|
[575] | 810 | }
|
---|
[1421] | 811 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
[575] | 812 | {
|
---|
[1143] | 813 | Debug << "view cell type: Bsp" << endl;
|
---|
[1421] | 814 |
|
---|
[575] | 815 | mBspTree = new BspTree();
|
---|
[1264] | 816 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 817 | }
|
---|
| 818 | else
|
---|
| 819 | {
|
---|
[664] | 820 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 821 | exit(1);
|
---|
| 822 | }
|
---|
| 823 |
|
---|
| 824 | return mViewCellsManager;
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 |
|
---|
[491] | 828 | // use ascii format to store rays
|
---|
| 829 | #define USE_ASCII 0
|
---|
| 830 |
|
---|
| 831 |
|
---|
[1145] | 832 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 833 | {
|
---|
| 834 | return obj1->mId < obj2->mId;
|
---|
| 835 | }
|
---|
| 836 |
|
---|
| 837 |
|
---|
[1414] | 838 | bool Preprocessor::LoadKdTree(const string filename)
|
---|
[1197] | 839 | {
|
---|
[1414] | 840 | mKdTree = new KdTree();
|
---|
[1633] | 841 |
|
---|
[1414] | 842 | return mKdTree->LoadBinTree(filename.c_str(), mObjects);
|
---|
[1197] | 843 | }
|
---|
| 844 |
|
---|
[1414] | 845 |
|
---|
| 846 | bool Preprocessor::ExportKdTree(const string filename)
|
---|
[1197] | 847 | {
|
---|
[1414] | 848 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
[1197] | 849 | }
|
---|
| 850 |
|
---|
| 851 |
|
---|
[490] | 852 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 853 | ObjectContainer &objects) const
|
---|
| 854 | {
|
---|
| 855 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 856 | char fileName[100];
|
---|
[1004] | 857 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 858 |
|
---|
[491] | 859 | Vector3 origin, termination;
|
---|
| 860 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 861 | // intersected objects
|
---|
| 862 | MeshInstance sObj(NULL);
|
---|
| 863 | MeshInstance tObj(NULL);
|
---|
[490] | 864 |
|
---|
[491] | 865 | #if USE_ASCII
|
---|
[656] | 866 | ifstream samplesIn(fileName);
|
---|
[490] | 867 | if (!samplesIn.is_open())
|
---|
| 868 | return false;
|
---|
| 869 |
|
---|
| 870 | string buf;
|
---|
| 871 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 872 | {
|
---|
[491] | 873 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 874 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 875 | &termination.x, &termination.y, &termination.z,
|
---|
| 876 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 877 |
|
---|
[491] | 878 | Intersectable *sourceObj = NULL;
|
---|
| 879 | Intersectable *termObj = NULL;
|
---|
| 880 |
|
---|
| 881 | if (sObj.mId >= 0)
|
---|
[490] | 882 | {
|
---|
| 883 | ObjectContainer::iterator oit =
|
---|
[491] | 884 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 885 | sourceObj = *oit;
|
---|
| 886 | }
|
---|
| 887 |
|
---|
| 888 | if (tObj.mId >= 0)
|
---|
| 889 | {
|
---|
| 890 | ObjectContainer::iterator oit =
|
---|
| 891 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 892 | termObj = *oit;
|
---|
| 893 | }
|
---|
[490] | 894 |
|
---|
[491] | 895 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 896 | }
|
---|
| 897 | #else
|
---|
| 898 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 899 | if (!samplesIn.is_open())
|
---|
| 900 | return false;
|
---|
| 901 |
|
---|
| 902 | while (1)
|
---|
| 903 | {
|
---|
| 904 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 905 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 906 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 907 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 908 |
|
---|
| 909 | if (samplesIn.eof())
|
---|
| 910 | break;
|
---|
| 911 |
|
---|
| 912 | Intersectable *sourceObj = NULL;
|
---|
| 913 | Intersectable *termObj = NULL;
|
---|
| 914 |
|
---|
| 915 | if (sObj.mId >= 0)
|
---|
| 916 | {
|
---|
| 917 | ObjectContainer::iterator oit =
|
---|
| 918 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 919 | sourceObj = *oit;
|
---|
[490] | 920 | }
|
---|
[491] | 921 |
|
---|
| 922 | if (tObj.mId >= 0)
|
---|
[490] | 923 | {
|
---|
[491] | 924 | ObjectContainer::iterator oit =
|
---|
| 925 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 926 | termObj = *oit;
|
---|
[490] | 927 | }
|
---|
[491] | 928 |
|
---|
| 929 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 930 | }
|
---|
[1779] | 931 | #endif
|
---|
[491] | 932 |
|
---|
[490] | 933 | samplesIn.close();
|
---|
| 934 |
|
---|
| 935 | return true;
|
---|
| 936 | }
|
---|
| 937 |
|
---|
[508] | 938 |
|
---|
| 939 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 940 | {
|
---|
[491] | 941 | char fileName[100];
|
---|
[1004] | 942 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 943 |
|
---|
[490] | 944 |
|
---|
| 945 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 946 |
|
---|
[491] | 947 | #if USE_ASCII
|
---|
| 948 | ofstream samplesOut(fileName);
|
---|
[490] | 949 | if (!samplesOut.is_open())
|
---|
| 950 | return false;
|
---|
| 951 |
|
---|
| 952 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 953 | {
|
---|
| 954 | VssRay *ray = *it;
|
---|
[491] | 955 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 956 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 957 |
|
---|
[490] | 958 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 959 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 960 | << sourceid << " " << termid << "\n";
|
---|
[490] | 961 | }
|
---|
[491] | 962 | #else
|
---|
| 963 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 964 | if (!samplesOut.is_open())
|
---|
| 965 | return false;
|
---|
| 966 |
|
---|
| 967 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 968 | {
|
---|
| 969 | VssRay *ray = *it;
|
---|
| 970 | Vector3 origin(ray->GetOrigin());
|
---|
| 971 | Vector3 termination(ray->GetTermination());
|
---|
| 972 |
|
---|
| 973 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 974 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 975 |
|
---|
| 976 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 977 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 978 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 979 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 980 | }
|
---|
| 981 | #endif
|
---|
[490] | 982 | samplesOut.close();
|
---|
[1194] | 983 |
|
---|
[490] | 984 | return true;
|
---|
| 985 | }
|
---|
[563] | 986 |
|
---|
[1771] | 987 |
|
---|
| 988 | int
|
---|
| 989 | Preprocessor::GenerateRays(const int number,
|
---|
[1867] | 990 | SamplingStrategy &strategy,
|
---|
| 991 | SimpleRayContainer &rays)
|
---|
[1020] | 992 | {
|
---|
[1867] | 993 | return strategy.GenerateSamples(number, rays);
|
---|
[1771] | 994 | }
|
---|
[860] | 995 |
|
---|
[1771] | 996 | int
|
---|
| 997 | Preprocessor::GenerateRays(const int number,
|
---|
[1898] | 998 | const int sampleType,
|
---|
| 999 | SimpleRayContainer &rays)
|
---|
[1771] | 1000 | {
|
---|
[1772] | 1001 | const int startSize = (int)rays.size();
|
---|
| 1002 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
| 1003 | int castRays = 0;
|
---|
| 1004 |
|
---|
| 1005 | if (!strategy)
|
---|
[1381] | 1006 | {
|
---|
[1772] | 1007 | return 0;
|
---|
[1381] | 1008 | }
|
---|
[1772] | 1009 |
|
---|
[1381] | 1010 | #if 1
|
---|
[1772] | 1011 | castRays = strategy->GenerateSamples(number, rays);
|
---|
[1381] | 1012 | #else
|
---|
[1772] | 1013 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 1014 | castRays += 16;
|
---|
[1381] | 1015 | #endif
|
---|
[1772] | 1016 |
|
---|
| 1017 | delete strategy;
|
---|
| 1018 | return castRays;
|
---|
[878] | 1019 | }
|
---|
[1020] | 1020 |
|
---|
| 1021 |
|
---|
[1884] | 1022 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
[1020] | 1023 | {
|
---|
| 1024 | switch (strategyId)
|
---|
| 1025 | {
|
---|
[1520] | 1026 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
[1020] | 1027 | return new ObjectBasedDistribution(*this);
|
---|
[1520] | 1028 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 1029 | return new ObjectDirectionBasedDistribution(*this);
|
---|
[1520] | 1030 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 1031 | return new DirectionBasedDistribution(*this);
|
---|
[1520] | 1032 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 1033 | return new DirectionBoxBasedDistribution(*this);
|
---|
[1520] | 1034 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 1035 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1695] | 1036 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
| 1037 | return new ReverseObjectBasedDistribution(*this);
|
---|
[1769] | 1038 | case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
| 1039 | return new ViewCellBorderBasedDistribution(*this);
|
---|
[1772] | 1040 | case SamplingStrategy::VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
| 1041 | return new ViewSpaceBorderBasedDistribution(*this);
|
---|
| 1042 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
| 1043 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
[1824] | 1044 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
| 1045 | return new GlobalLinesDistribution(*this);
|
---|
| 1046 |
|
---|
| 1047 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 1048 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 1049 | default: // no valid strategy
|
---|
[1279] | 1050 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 1051 | return NULL;
|
---|
| 1052 | }
|
---|
[1221] | 1053 |
|
---|
[1570] | 1054 | return NULL; // should never come here
|
---|
[1020] | 1055 | }
|
---|
| 1056 |
|
---|
| 1057 |
|
---|
[1627] | 1058 | bool Preprocessor::InitRayCast(const string externKdTree, const string internKdTree)
|
---|
[1221] | 1059 | {
|
---|
[1633] | 1060 | // always try to load the kd tree
|
---|
[1664] | 1061 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
[1634] | 1062 |
|
---|
| 1063 | if (!LoadKdTree(internKdTree))
|
---|
| 1064 | {
|
---|
| 1065 | cout << "error loading kd tree with filename " << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
[1633] | 1066 | // build new kd tree from scene geometry
|
---|
[1415] | 1067 | BuildKdTree();
|
---|
| 1068 |
|
---|
[1627] | 1069 | // export kd tree?
|
---|
[1633] | 1070 | const long startTime = GetTime();
|
---|
[1627] | 1071 | cout << "exporting kd tree ... ";
|
---|
| 1072 |
|
---|
| 1073 | if (!ExportKdTree(internKdTree))
|
---|
| 1074 | {
|
---|
| 1075 | cout << " error exporting kd tree with filename " << internKdTree << endl;
|
---|
| 1076 | }
|
---|
| 1077 | else
|
---|
| 1078 | {
|
---|
| 1079 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 1080 | }
|
---|
[1415] | 1081 | }
|
---|
[1633] | 1082 |
|
---|
| 1083 | KdTreeStatistics(cout);
|
---|
| 1084 | cout << mKdTree->GetBox() << endl;
|
---|
[1415] | 1085 |
|
---|
[1633] | 1086 | if (0)
|
---|
| 1087 | {
|
---|
| 1088 | Exporter *exporter = Exporter::GetExporter("dummykd.x3d");
|
---|
| 1089 |
|
---|
| 1090 | if (exporter)
|
---|
| 1091 | {
|
---|
| 1092 | exporter->ExportKdTree(*mKdTree, true);
|
---|
| 1093 | delete exporter;
|
---|
| 1094 | }
|
---|
| 1095 | }
|
---|
| 1096 |
|
---|
[1520] | 1097 | int rayCastMethod;
|
---|
| 1098 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
| 1099 |
|
---|
| 1100 | if (rayCastMethod == 0)
|
---|
[1221] | 1101 | {
|
---|
[1867] | 1102 | cout << "ray cast method: internal" << endl;
|
---|
[1520] | 1103 | mRayCaster = new InternalRayCaster(*this, mKdTree);
|
---|
[1221] | 1104 | }
|
---|
[1251] | 1105 | else
|
---|
[1520] | 1106 | {
|
---|
[1524] | 1107 | #ifdef GTP_INTERNAL
|
---|
[1867] | 1108 | cout << "ray cast method: intel" << endl;
|
---|
| 1109 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
[1524] | 1110 | #endif
|
---|
[1251] | 1111 | }
|
---|
[1867] | 1112 |
|
---|
[1520] | 1113 | return true;
|
---|
[1281] | 1114 | }
|
---|
| 1115 |
|
---|
[1292] | 1116 |
|
---|
[1281] | 1117 | void
|
---|
| 1118 | Preprocessor::CastRays(
|
---|
| 1119 | SimpleRayContainer &rays,
|
---|
[1520] | 1120 | VssRayContainer &vssRays,
|
---|
[1528] | 1121 | const bool castDoubleRays,
|
---|
| 1122 | const bool pruneInvalidRays
|
---|
[1281] | 1123 | )
|
---|
| 1124 | {
|
---|
[1757] | 1125 | const long t1 = GetTime();
|
---|
[1344] | 1126 |
|
---|
[1524] | 1127 | for (int i = 0; i < (int)rays.size();)
|
---|
[1292] | 1128 | {
|
---|
[1524] | 1129 | if (i + 16 < (int)rays.size())
|
---|
[1520] | 1130 | {
|
---|
[1524] | 1131 | mRayCaster->CastRays16(
|
---|
[1584] | 1132 | i,
|
---|
| 1133 | rays,
|
---|
| 1134 | vssRays,
|
---|
| 1135 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1136 | castDoubleRays,
|
---|
| 1137 | pruneInvalidRays);
|
---|
[1524] | 1138 | i += 16;
|
---|
[1292] | 1139 | }
|
---|
[1524] | 1140 | else
|
---|
[1584] | 1141 | {
|
---|
[1524] | 1142 | mRayCaster->CastRay(
|
---|
[1584] | 1143 | rays[i],
|
---|
| 1144 | vssRays,
|
---|
| 1145 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1146 | castDoubleRays,
|
---|
| 1147 | pruneInvalidRays);
|
---|
[1524] | 1148 | i ++;
|
---|
[1584] | 1149 | }
|
---|
[1743] | 1150 |
|
---|
| 1151 | if (rays.size() > 10000 && i % 10000 == 0)
|
---|
[1627] | 1152 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
[1524] | 1153 | }
|
---|
[1743] | 1154 |
|
---|
| 1155 | if (rays.size() > 10000) {
|
---|
| 1156 | cout<<endl;
|
---|
[1584] | 1157 |
|
---|
| 1158 | long t2 = GetTime();
|
---|
[1286] | 1159 |
|
---|
[1584] | 1160 | #if SHOW_RAYCAST_TIMING
|
---|
[1524] | 1161 | if (castDoubleRays)
|
---|
| 1162 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
| 1163 | else
|
---|
| 1164 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
[1743] | 1165 | #endif
|
---|
| 1166 | }
|
---|
[1251] | 1167 | }
|
---|
| 1168 |
|
---|
| 1169 |
|
---|
[1381] | 1170 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 1171 | const SimpleRay &mainRay,
|
---|
| 1172 | const int number,
|
---|
| 1173 | const int pertubType) const
|
---|
| 1174 | {
|
---|
| 1175 | rayBundle.push_back(mainRay);
|
---|
| 1176 |
|
---|
[1564] | 1177 | const float pertubOrigin = 0.0f;
|
---|
| 1178 | const float pertubDir = 0.2f;
|
---|
[1381] | 1179 |
|
---|
| 1180 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 1181 | {
|
---|
| 1182 | Vector3 pertub;
|
---|
| 1183 |
|
---|
| 1184 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 1185 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 1186 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
[1713] | 1187 |
|
---|
[1381] | 1188 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 1189 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 1190 |
|
---|
| 1191 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 1192 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 1193 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
[1713] | 1194 |
|
---|
[1381] | 1195 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 1196 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 1197 |
|
---|
[1883] | 1198 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
[1381] | 1199 | }
|
---|
| 1200 |
|
---|
| 1201 | return true;
|
---|
| 1202 | }
|
---|
| 1203 |
|
---|
| 1204 |
|
---|
[1251] | 1205 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1206 | const Vector3 &point,
|
---|
[1713] | 1207 | const Vector3 &direction) const
|
---|
[1251] | 1208 | {
|
---|
| 1209 | ray.Clear();
|
---|
| 1210 | // do not store anything else then intersections at the ray
|
---|
[1713] | 1211 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
[1251] | 1212 | }
|
---|
| 1213 |
|
---|
[1917] | 1214 | void Preprocessor::EvalViewCellHistogram()
|
---|
[1771] | 1215 | {
|
---|
[1917] | 1216 | char filename[256];
|
---|
| 1217 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
[1771] | 1218 |
|
---|
[1917] | 1219 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
| 1220 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
[1771] | 1221 | }
|
---|
[1520] | 1222 |
|
---|
[1900] | 1223 |
|
---|
| 1224 | bool
|
---|
| 1225 | Preprocessor::ExportRays(const char *filename,
|
---|
| 1226 | const VssRayContainer &vssRays,
|
---|
| 1227 | const int number
|
---|
| 1228 | )
|
---|
| 1229 | {
|
---|
| 1230 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
| 1231 |
|
---|
| 1232 | Exporter *exporter = NULL;
|
---|
| 1233 | exporter = Exporter::GetExporter(filename);
|
---|
| 1234 |
|
---|
| 1235 | if (0) {
|
---|
| 1236 | exporter->SetWireframe();
|
---|
| 1237 | exporter->ExportKdTree(*mKdTree);
|
---|
| 1238 | }
|
---|
| 1239 |
|
---|
| 1240 | exporter->SetFilled();
|
---|
| 1241 | // $$JB temporarily do not export the scene
|
---|
| 1242 | if (0)
|
---|
| 1243 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
| 1244 |
|
---|
| 1245 | exporter->SetWireframe();
|
---|
| 1246 |
|
---|
| 1247 | if (1) {
|
---|
| 1248 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
| 1249 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
| 1250 | exporter->ResetForcedMaterial();
|
---|
| 1251 | }
|
---|
| 1252 |
|
---|
| 1253 | VssRayContainer rays;
|
---|
| 1254 | vssRays.SelectRays(number, rays);
|
---|
| 1255 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
| 1256 | delete exporter;
|
---|
| 1257 | cout<<"done."<<endl<<flush;
|
---|
| 1258 |
|
---|
| 1259 | return true;
|
---|
[1251] | 1260 | }
|
---|
[1900] | 1261 |
|
---|
| 1262 | }
|
---|