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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91 | totalVssRays += (int)vssRays.size();
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92 |
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93 | mMixtureDistribution->ComputeContributions(vssRays);
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94 |
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95 | }
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96 | return true;
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97 |
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98 | }
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99 |
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100 | }
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