[1891] | 1 | #include "SceneGraph.h"
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| 2 | #include "KdTree.h"
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| 3 | #include "X3dExporter.h"
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| 4 | #include "Environment.h"
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| 5 | #include "Polygon3.h"
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| 6 | #include "VssRay.h"
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| 7 | #include "RssTree.h"
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| 8 | #include "ViewCellsManager.h"
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| 9 | #include "RenderSimulator.h"
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| 10 | #include "GlRenderer.h"
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| 11 | #include "SamplingStrategy.h"
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| 12 | #include "PreprocessorThread.h"
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| 13 | #include "CombinedPreprocessor.h"
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[2012] | 14 | #include "RayCaster.h"
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[1891] | 15 |
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| 16 |
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| 17 | namespace GtpVisibilityPreprocessor {
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| 18 |
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[1966] | 19 | const bool pruneInvalidRays = true;
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[1891] | 20 |
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| 21 |
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| 22 | CombinedPreprocessor::CombinedPreprocessor():
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| 23 | Preprocessor()
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| 24 | {
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| 25 | // this should increase coherence of the samples
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[1966] | 26 | // Environment::GetSingleton()->GetIntValue("RssPreprocessor.vssSamples", mTotalSamples);
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| 27 | // Environment::GetSingleton()->GetIntValue("RssPreprocessor.samplesPerPass", mSamplesPerPass);
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| 28 | // Environment::GetSingleton()->GetIntValue("RssPreprocessor.vssSamplesPerPass",
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| 29 | // mSamplesPerEvaluation);
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[1891] | 30 |
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| 31 |
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| 32 | }
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| 33 |
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| 34 |
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| 35 | bool
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| 36 | CombinedPreprocessor::ComputeVisibility()
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| 37 | {
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| 38 |
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| 39 | Debug << "Preprocessor type: combined" << endl;
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| 40 | cout<<"Combined Preprocessor started\n"<<flush;
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| 41 |
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| 42 | // if not already loaded, construct view cells from file
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| 43 | if (!mLoadViewCells) {
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| 44 | // construct view cells using it's own set of samples
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| 45 | mViewCellsManager->Construct(this);
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| 46 |
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| 47 | //-- several visualizations and statistics
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| 48 | Debug << "view cells construction finished: " << endl;
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| 49 | mViewCellsManager->PrintStatistics(Debug);
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| 50 | }
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| 51 |
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| 52 |
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| 53 | // now decode distribution string
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| 54 | char buff[1024];
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| 55 | Environment::GetSingleton()->GetStringValue("RssPreprocessor.distributions",
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| 56 | buff);
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| 57 |
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[2002] | 58 |
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[1891] | 59 | mMixtureDistribution = new MixtureDistribution(*this);
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| 60 | mMixtureDistribution->Construct(buff);
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| 61 |
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| 62 | SimpleRayContainer rays;
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| 63 | VssRayContainer vssRays;
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| 64 |
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| 65 | int lastEvaluation = 0;
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| 66 | int totalVssRays = 0;
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| 67 | mPass = 0;
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| 68 |
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[2002] | 69 | vector<VssRayContainer> rayBuffer;
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[2012] | 70 | rays.reserve(mSamplesPerPass);
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| 71 | rayBuffer.reserve(2*mSamplesPerPass);
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[2002] | 72 |
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[1891] | 73 | long startTime = GetTime();
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| 74 | for (int i=0; i < mTotalSamples; i += mSamplesPerPass, mPass++) {
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[2012] | 75 | mRayCaster->InitPass();
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| 76 |
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[1891] | 77 | cout<<"Progress : "<<(100.0f*i)/mTotalSamples<<"%"<<endl;
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| 78 | rays.clear();
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| 79 | vssRays.clear();
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| 80 |
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[2012] | 81 |
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[1891] | 82 | mMixtureDistribution->GenerateSamples(mSamplesPerPass, rays);
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[1984] | 83 |
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| 84 | bool doubleRays = true;
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| 85 | CastRays(rays, vssRays, doubleRays, pruneInvalidRays);
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[1894] | 86 | totalVssRays += (int)vssRays.size();
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[1900] | 87 |
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[1942] | 88 | mMixtureDistribution->ComputeContributions(vssRays);
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| 89 |
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[1900] | 90 | if (mExportRays) {
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| 91 | Debug<<"Exporting rays..."<<endl<<flush;
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| 92 | char filename[256];
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[1942] | 93 |
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| 94 | VssRayContainer contributingRays;
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| 95 | vssRays.GetContributingRays(contributingRays, 0);
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| 96 | sprintf(filename, "rss-crays-%04d.x3d", mPass);
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| 97 | ExportRays(filename, contributingRays, mExportNumRays);
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| 98 |
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[1900] | 99 | sprintf(filename, "rss-rays-i%04d.x3d", mPass);
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| 100 | ExportRays(filename, vssRays, mExportNumRays);
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[1942] | 101 |
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[2002] | 102 |
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| 103 | if (mExportAnimation) {
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| 104 | rayBuffer.push_back(VssRayContainer());
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| 105 | vssRays.SelectRays(mExportNumRays, rayBuffer[rayBuffer.size()-1], true);
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| 106 | }
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| 107 |
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[1900] | 108 | Debug<<"done."<<endl<<flush;
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| 109 | }
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| 110 |
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[1942] | 111 | mMixtureDistribution->UpdateDistributions(vssRays);
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| 112 |
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[1900] | 113 | if (i - lastEvaluation >= mSamplesPerEvaluation) {
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| 114 | mViewCellsManager->PrintPvsStatistics(mStats);
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| 115 | mStats <<
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| 116 | "#Pass\n" <<mPass<<endl<<
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| 117 | "#Time\n" << TimeDiff(startTime, GetTime())<<endl<<
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| 118 | "#TotalSamples\n" <<i<<endl<<
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| 119 | "#RssSamples\n" <<totalVssRays<<endl;
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| 120 | lastEvaluation = i;
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[2002] | 121 |
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| 122 | if (renderer) {
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| 123 | ComputeRenderError();
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| 124 | }
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| 125 |
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[1900] | 126 | }
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| 127 |
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[2012] | 128 | #if 0
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[1966] | 129 | cerr<<"deleting rays"<<endl;
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| 130 | //clear all unreferenced rays
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| 131 | for (int j=0; j < vssRays.size(); j++) {
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| 132 | if (vssRays[j]->RefCount() == 0)
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| 133 | delete vssRays[j];
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| 134 | }
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| 135 | cerr<<"done."<<endl;
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[2012] | 136 | #endif
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[1900] | 137 |
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[1966] | 138 | // if (!mMixtureDistribution->RequiresRays())
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| 139 | // CLEAR_CONTAINER(vssRays);
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[1931] | 140 |
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| 141 |
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[1891] | 142 | }
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[2002] | 143 |
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[1942] | 144 | EvalViewCellHistogram();
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| 145 |
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[2002] | 146 | if (mExportAnimation && mExportRays) {
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| 147 | char filename[64];
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| 148 | sprintf(filename, "rss-rays-i.x3d");
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| 149 | //rayBuffer.resize(mPass);
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| 150 | ExportRayAnimation(filename, rayBuffer);
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| 151 | }
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| 152 |
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[1894] | 153 | return true;
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[1891] | 154 | }
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| 155 |
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| 156 | }
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