[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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| 14 |
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| 15 |
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| 16 | namespace GtpVisibilityPreprocessor {
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| 17 |
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| 18 | const bool pruneInvalidRays = false;
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| 19 |
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| 20 |
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| 21 | CombinedPreprocessor::CombinedPreprocessor():
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| 22 | Preprocessor()
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| 23 | {
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| 24 | // this should increase coherence of the samples
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| 25 | Environment::GetSingleton()->GetIntValue("RssPreprocessor.vssSamples", mTotalSamples);
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| 26 | Environment::GetSingleton()->GetIntValue("RssPreprocessor.samplesPerPass", mSamplesPerPass);
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| 27 | Environment::GetSingleton()->GetIntValue("RssPreprocessor.vssSamplesPerPass",
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| 28 | mSamplesPerEvaluation);
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| 29 |
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| 30 |
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| 31 | // Environment::GetSingleton()->GetBoolValue("RssPreprocessor.Export.rays", mExportRays);
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| 32 | // Environment::GetSingleton()->GetIntValue("RssPreprocessor.Export.numRays", mExportNumRays);
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| 33 | }
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| 34 |
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| 35 |
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| 36 | bool
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| 37 | CombinedPreprocessor::ComputeVisibility()
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| 38 | {
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| 39 |
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| 40 | Debug << "Preprocessor type: combined" << endl;
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| 41 | cout<<"Combined Preprocessor started\n"<<flush;
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| 42 |
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| 43 | // if not already loaded, construct view cells from file
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| 44 | if (!mLoadViewCells) {
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| 45 | // construct view cells using it's own set of samples
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| 46 | mViewCellsManager->Construct(this);
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| 47 |
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| 48 | //-- several visualizations and statistics
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| 49 | Debug << "view cells construction finished: " << endl;
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| 50 | mViewCellsManager->PrintStatistics(Debug);
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| 51 | }
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| 52 |
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| 53 |
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| 54 | // now decode distribution string
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| 55 | char buff[1024];
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| 56 | Environment::GetSingleton()->GetStringValue("RssPreprocessor.distributions",
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| 57 | buff);
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| 58 |
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| 59 |
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| 60 | mMixtureDistribution = new MixtureDistribution(*this);
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| 61 | mMixtureDistribution->Construct(buff);
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| 62 |
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| 63 | SimpleRayContainer rays;
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| 64 | VssRayContainer vssRays;
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| 65 |
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| 66 | int lastEvaluation = 0;
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| 67 | int totalVssRays = 0;
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| 68 | mPass = 0;
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| 69 |
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| 70 | long startTime = GetTime();
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| 71 | for (int i=0; i < mTotalSamples; i += mSamplesPerPass, mPass++) {
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| 72 |
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| 73 | if (i - lastEvaluation >= mSamplesPerEvaluation) {
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| 74 | mStats <<
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| 75 | "#Pass\n" <<mPass<<endl<<
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| 76 | "#Time\n" << TimeDiff(startTime, GetTime())<<endl<<
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| 77 | "#TotalSamples\n" <<i<<endl<<
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| 78 | "#RssSamples\n" <<totalVssRays<<endl;
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| 79 | vssRays.PrintStatistics(mStats);
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| 80 | mViewCellsManager->PrintPvsStatistics(mStats);
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| 81 | lastEvaluation = i;
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| 82 | }
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| 83 |
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| 84 | cout<<"Progress : "<<(100.0f*i)/mTotalSamples<<"%"<<endl;
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| 85 | rays.clear();
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| 86 | vssRays.clear();
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| 87 |
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| 88 | mMixtureDistribution->GenerateSamples(mSamplesPerPass, rays);
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| 89 |
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| 90 | CastRays(rays, vssRays, true, pruneInvalidRays);
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[1894] | 91 | totalVssRays += (int)vssRays.size();
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[1891] | 92 |
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| 93 | mMixtureDistribution->ComputeContributions(vssRays);
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| 94 |
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| 95 | }
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[1894] | 96 | return true;
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[1891] | 97 |
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| 98 | }
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| 99 |
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| 100 | }
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