[372] | 1 | #include "SceneGraph.h"
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| 2 | #include "KdTree.h"
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| 3 | #include "VssPreprocessor.h"
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| 4 | #include "X3dExporter.h"
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| 5 | #include "Environment.h"
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| 6 | #include "MutualVisibility.h"
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| 7 | #include "Polygon3.h"
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| 8 | #include "ViewCell.h"
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[376] | 9 | #include "VssRay.h"
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[382] | 10 | #include "VssTree.h"
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[439] | 11 | #include "ViewCellsManager.h"
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[452] | 12 | #include "RenderSimulator.h"
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[531] | 13 | #include "Beam.h"
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| 14 | #include "GlRenderer.h"
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[1221] | 15 | #include "ArchModeler2MLRT.hxx"
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| 16 | #include "Intersectable.h"
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[372] | 17 |
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[1221] | 18 |
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[863] | 19 | namespace GtpVisibilityPreprocessor {
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[860] | 20 |
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[427] | 21 | bool use2dSampling = false;
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[534] | 22 | bool useViewspacePlane = false;
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[427] | 23 |
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[372] | 24 | VssPreprocessor::VssPreprocessor():
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[434] | 25 | mPass(0),
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[1002] | 26 | mVssRays(),
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| 27 | mViewSpaceBox(NULL)
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[372] | 28 | {
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| 29 | // this should increase coherence of the samples
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[1004] | 30 | Environment::GetSingleton()->GetIntValue("VssPreprocessor.samplesPerPass", mSamplesPerPass);
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| 31 | Environment::GetSingleton()->GetIntValue("VssPreprocessor.initialSamples", mInitialSamples);
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| 32 | Environment::GetSingleton()->GetIntValue("VssPreprocessor.vssSamples", mVssSamples);
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| 33 | Environment::GetSingleton()->GetIntValue("VssPreprocessor.vssSamplesPerPass", mVssSamplesPerPass);
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| 34 | Environment::GetSingleton()->GetBoolValue("VssPreprocessor.useImportanceSampling", mUseImportanceSampling);
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[574] | 35 |
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[1004] | 36 | Environment::GetSingleton()->GetBoolValue("VssPreprocessor.loadInitialSamples", mLoadInitialSamples);
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| 37 | Environment::GetSingleton()->GetBoolValue("VssPreprocessor.storeInitialSamples", mStoreInitialSamples);
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| 38 | Environment::GetSingleton()->GetBoolValue("VssPreprocessor.useViewSpaceBox", mUseViewSpaceBox);
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| 39 | Environment::GetSingleton()->GetBoolValue("VssPreprocessor.testBeamSampling", mTestBeamSampling);
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| 40 | Environment::GetSingleton()->GetBoolValue("VssPreprocessor.enlargeViewSpace", mEnlargeViewSpace);
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| 41 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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[694] | 42 |
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[508] | 43 | useViewspacePlane = mUseViewSpaceBox; //hack
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[490] | 44 |
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[675] | 45 |
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| 46 | Debug << "*********** vss preprocessor options **************" << endl;
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| 47 | Debug << "use view space box=" << mUseViewSpaceBox << endl;
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| 48 | Debug << "enlarge view space=" << mEnlargeViewSpace << endl;
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| 49 | Debug << "*********** end vss preprocessor options **************" << endl;
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| 50 |
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[372] | 51 | mStats.open("stats.log");
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| 52 | }
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| 53 |
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[685] | 54 |
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[372] | 55 | VssPreprocessor::~VssPreprocessor()
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| 56 | {
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[674] | 57 | CLEAR_CONTAINER(mVssRays);
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| 58 | DEL_PTR(mViewSpaceBox);
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[372] | 59 | }
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| 60 |
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[685] | 61 |
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[372] | 62 | void
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[468] | 63 | VssPreprocessor::SetupRay(Ray &ray,
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| 64 | const Vector3 &point,
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[434] | 65 | const Vector3 &direction
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| 66 | )
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[372] | 67 | {
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[466] | 68 | ray.Clear();
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[434] | 69 | // do not store anything else then intersections at the ray
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[374] | 70 | ray.Init(point, direction, Ray::LOCAL_RAY);
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[372] | 71 | }
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| 72 |
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[574] | 73 |
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| 74 | void
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| 75 | VssPreprocessor::CastRays(
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| 76 | SimpleRayContainer &rays,
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| 77 | VssRayContainer &vssRays
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| 78 | )
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| 79 | {
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[1221] | 80 | AxisAlignedBox3 &box = mViewSpaceBox ? *mViewSpaceBox : mKdTree->GetBox();
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| 81 |
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| 82 | #if 1
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| 83 | for (int i=0; i < rays.size(); i++)
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| 84 | {
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| 85 | CastRay(rays[i].mOrigin, rays[i].mDirection, vssRays, box);
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| 86 | }
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| 87 | #else
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| 88 | for (int i = 0; i < rays.size(); i += 16)
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| 89 | {
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| 90 | CastRay(rays[i].mOrigin, rays[i].mDirection, vssRays, box);
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| 91 | }
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| 92 |
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| 93 | #endif
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[574] | 94 | }
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| 95 |
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| 96 |
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[1221] | 97 | void VssPreprocessor::CastRays16(SimpleRayContainer &rays,
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| 98 | VssRayContainer &vssRays,
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| 99 | const AxisAlignedBox3 &sbox)
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| 100 | { |
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| 101 | /* |
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| 102 | mlrtaStoreRayAS16(const float* pforg, const float* pfdir, int j); |
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| 103 | |
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| 104 | |
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| 105 | // input parameters |
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| 106 | const RTVec3f& org = *reinterpret_cast<const RTVec3f*> (pforg); |
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| 107 | const RTVec3f& rd = *reinterpret_cast<const RTVec3f*> (pfdir); |
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| 108 | |
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| 109 | int ri = j/4; |
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| 110 | int ci = j%4; |
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| 111 | *((float*)&ibp4.ray4X[ri].m_origin.t[0] + ci) = org[0]; |
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| 112 | *((float*)&ibp4.ray4X[ri].m_origin.t[1] + ci) = org[1]; |
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| 113 | *((float*)&ibp4.ray4X[ri].m_origin.t[2] + ci) = org[2]; |
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| 114 | |
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| 115 | *((float*)&ibp4.ray4X[ri].m_direction.t[0] + ci) = rd[0]; |
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| 116 | *((float*)&ibp4.ray4X[ri].m_direction.t[1] + ci) = rd[1]; |
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| 117 | *((float*)&ibp4.ray4X[ri].m_direction.t[2] + ci) = rd[2]; |
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| 118 | |
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| 119 | mlrtaTraverseGroupAS16(const float* bbmin, const float* bbmax, int* hit_triangles, float* dist);*/ |
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| 120 | } |
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| 121 |
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| 122 |
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| 123 | int VssPreprocessor::CastIntelDoubleRay(
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| 124 | const Vector3 &viewPoint,
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| 125 | const Vector3 &direction,
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| 126 | VssRayContainer &vssRays,
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| 127 | const AxisAlignedBox3 &box)
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| 128 | {
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| 129 | VssRay *vssRay = NULL;
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| 130 | int hits = 0;
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| 131 |
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| 132 | Vector3 pointA, pointB;
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| 133 |
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| 134 | Intersectable *objectA =
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| 135 | CastIntelSingleRay(viewPoint, direction, pointA, box);
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| 136 |
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| 137 | // cast ray into other direction
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| 138 | Intersectable *objectB =
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| 139 | CastIntelSingleRay(viewPoint, -direction, pointB, box);
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| 140 |
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| 141 | const bool validSample = (objectA != objectB);
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| 142 |
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| 143 | if (validSample)
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| 144 | {
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| 145 | if (objectA)
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| 146 | {
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| 147 | vssRay = new VssRay(pointB,
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| 148 | pointA,
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| 149 | objectB,
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| 150 | objectA,
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| 151 | mPass);
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| 152 | vssRays.push_back(vssRay);
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| 153 | hits ++;
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| 154 | }
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| 155 |
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| 156 | if (objectB)
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| 157 | {
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| 158 | vssRay = new VssRay(pointA,
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| 159 | pointB,
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| 160 | objectA,
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| 161 | objectB,
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| 162 | mPass);
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| 163 | vssRays.push_back(vssRay);
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| 164 | hits ++;
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| 165 | }
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| 166 | //Debug << "intel ray: " << *vssRay << endl;
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| 167 | }
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| 168 | //cout << "a";
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| 169 | return hits;
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| 170 | }
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| 171 |
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| 172 |
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| 173 | Intersectable *VssPreprocessor::CastIntelSingleRay(const Vector3 &viewPoint,
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| 174 | const Vector3 &direction,
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| 175 | Vector3 &tPoint,
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| 176 | const AxisAlignedBox3 &box
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| 177 | )
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| 178 | {
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| 179 | AxisAlignedBox3 sbox = box;
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| 180 | sbox.Enlarge(Vector3(-Limits::Small));
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| 181 |
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| 182 | if (!sbox.IsInside(viewPoint))
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| 183 | return 0;
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| 184 |
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| 185 | float pforg[3];
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| 186 | float pfdir[3];
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| 187 | double pfnorm[3];
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| 188 |
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| 189 | pforg[0] = viewPoint[0]; pforg[1] = viewPoint[1]; pforg[2] = viewPoint[2];
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| 190 | pfdir[0] = direction[0]; pfdir[1] = direction[1]; pfdir[2] = direction[2];
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| 191 |
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| 192 | float dist = 0;
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| 193 | const int hittriangle = mlrtaIntersectAS(pforg, pfdir, pfnorm, dist);
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| 194 |
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| 195 | if (hittriangle == -1)
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| 196 | {
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| 197 | static Ray ray;
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| 198 | SetupRay(ray, viewPoint, direction);
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| 199 |
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| 200 | float tmin = 0, tmax;
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| 201 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
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| 202 | {
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| 203 | tPoint = ray.Extrap(tmax);
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| 204 | }
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| 205 |
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| 206 | return NULL;
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| 207 | }
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| 208 | else
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| 209 | {
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| 210 | tPoint[0] = pforg[0] + pfdir[0] * dist;
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| 211 | tPoint[1] = pforg[1] + pfdir[1] * dist;
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| 212 | tPoint[2] = pforg[2] + pfdir[2] * dist;
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| 213 |
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| 214 | return mFaceParents[hittriangle];
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| 215 | }
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| 216 | }
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| 217 |
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| 218 |
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[386] | 219 | int
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[1221] | 220 | VssPreprocessor::CastInternalRay(
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| 221 | const Vector3 &viewPoint,
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| 222 | const Vector3 &direction,
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| 223 | VssRayContainer &vssRays,
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| 224 | const AxisAlignedBox3 &box
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| 225 | )
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[372] | 226 | {
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[499] | 227 | int hits = 0;
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[675] | 228 | static Ray ray;
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[1221] | 229 |
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[675] | 230 | AxisAlignedBox3 sbox = box;
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| 231 | sbox.Enlarge(Vector3(-Limits::Small));
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[1221] | 232 |
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[675] | 233 | if (!sbox.IsInside(viewPoint))
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| 234 | return 0;
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| 235 |
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| 236 | SetupRay(ray, viewPoint, direction);
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| 237 |
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| 238 | // cast ray to KD tree to find intersection with other objects
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| 239 | Intersectable *objectA, *objectB;
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[767] | 240 |
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[694] | 241 | Vector3 pointA;
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| 242 | Vector3 pointB;
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| 243 |
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[767] | 244 | //float bsize = Magnitude(box.Size());
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[589] | 245 | if (!mDetectEmptyViewSpace)
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[675] | 246 | ray.mFlags &= ~Ray::CULL_BACKFACES;
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[589] | 247 | else
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[675] | 248 | ray.mFlags |= Ray::CULL_BACKFACES;
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[589] | 249 |
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[675] | 250 | if (mKdTree->CastRay(ray))
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| 251 | {
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| 252 | objectA = ray.intersections[0].mObject;
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| 253 | pointA = ray.Extrap(ray.intersections[0].mT);
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| 254 | }
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| 255 | else
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| 256 | {
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| 257 | objectA = NULL;
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| 258 | // compute intersection with the scene bounding box
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| 259 | float tmin, tmax;
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| 260 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
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| 261 | pointA = ray.Extrap(tmax);
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| 262 | else
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| 263 | return 0;
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| 264 | }
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[386] | 265 |
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[694] | 266 | // matt: point A could be undefined?
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[1221] | 267 |
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| 268 | // cast ray into opposite direction
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[694] | 269 | if (1 && mDetectEmptyViewSpace) {
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[675] | 270 | SetupRay(ray, pointA, -direction);
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| 271 | } else
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| 272 | SetupRay(ray, viewPoint, -direction);
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[534] | 273 |
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[675] | 274 | if (!mDetectEmptyViewSpace)
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| 275 | ray.mFlags &= ~Ray::CULL_BACKFACES;
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| 276 | else
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| 277 | ray.mFlags |= Ray::CULL_BACKFACES;
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[589] | 278 |
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[675] | 279 | if (mKdTree->CastRay(ray))
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| 280 | {
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| 281 | objectB = ray.intersections[0].mObject;
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| 282 | pointB = ray.Extrap(ray.intersections[0].mT);
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| 283 | }
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| 284 | else
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| 285 | {
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| 286 | objectB = NULL;
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| 287 | float tmin, tmax;
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| 288 |
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| 289 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
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| 290 | pointB = ray.Extrap(tmax);
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| 291 | else
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| 292 | return 0;
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| 293 | }
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[534] | 294 |
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[694] | 295 | //bool thesame = objectA && (objectA == objectB);
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| 296 |
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[675] | 297 | // if (objectA == NULL && objectB != NULL) {
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[694] | 298 | if (1 && mDetectEmptyViewSpace)
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[675] | 299 | {
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| 300 | // cast again to ensure that there is no objectA
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| 301 | SetupRay(ray, pointB, direction);
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[693] | 302 | ray.mFlags |= Ray::CULL_BACKFACES;
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[675] | 303 |
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| 304 | if (mKdTree->CastRay(ray))
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| 305 | {
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| 306 | objectA = ray.intersections[0].mObject;
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| 307 | pointA = ray.Extrap(ray.intersections[0].mT);
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| 308 | }
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[434] | 309 | }
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[534] | 310 |
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[499] | 311 |
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[675] | 312 | VssRay *vssRay = NULL;
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[386] | 313 |
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[675] | 314 | bool validSample = (objectA != objectB);
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[694] | 315 |
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| 316 | //if (validSample && thesame) Debug << "warning!!" << endl;
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[675] | 317 |
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| 318 | if (0 && mDetectEmptyViewSpace)
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| 319 | {
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| 320 | // consider all samples valid
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| 321 | // check if the viewpoint lies on the line segment AB
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| 322 | if (Distance(pointA, pointB) <
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| 323 | Distance(viewPoint, pointA) + Distance(viewPoint, pointB) - Limits::Small)
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| 324 | {
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| 325 | validSample = false;
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| 326 | }
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[386] | 327 | }
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[499] | 328 |
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[675] | 329 | if (validSample)
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| 330 | {
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| 331 | if (objectA)
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| 332 | {
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| 333 | vssRay = new VssRay(pointB,
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| 334 | pointA,
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| 335 | objectB,
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| 336 | objectA,
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| 337 | mPass);
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| 338 | vssRays.push_back(vssRay);
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| 339 | hits ++;
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| 340 | }
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| 341 |
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| 342 | if (objectB)
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| 343 | {
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| 344 | vssRay = new VssRay(pointA,
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| 345 | pointB,
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| 346 | objectA,
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| 347 | objectB,
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| 348 | mPass);
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| 349 | vssRays.push_back(vssRay);
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| 350 | hits ++;
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| 351 | }
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[1221] | 352 | //Debug << "internal ray: " << *vssRay << endl << endl;
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[434] | 353 | }
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[1221] | 354 | //cout << "b";
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[675] | 355 | return hits;
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[372] | 356 | }
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| 357 |
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| 358 |
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[1221] | 359 | int
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| 360 | VssPreprocessor::CastRay(
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| 361 | const Vector3 &viewPoint,
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| 362 | const Vector3 &direction,
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| 363 | VssRayContainer &vssRays,
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| 364 | const AxisAlignedBox3 &box
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| 365 | )
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| 366 | {
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| 367 | switch (mRayCastMethod)
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| 368 | {
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| 369 | case INTEL_RAYCASTER:
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| 370 | return CastIntelDoubleRay(viewPoint, direction, vssRays, box);
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| 371 | case INTERNAL_RAYCASTER:
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| 372 | default:
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| 373 | return CastInternalRay(viewPoint, direction, vssRays, box);
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| 374 | }
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| 375 | }
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| 376 |
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| 377 |
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[376] | 378 | Vector3
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[382] | 379 | VssPreprocessor::GetViewpoint(AxisAlignedBox3 *viewSpaceBox)
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[372] | 380 | {
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[434] | 381 | AxisAlignedBox3 box;
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[468] | 382 |
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[434] | 383 | if (viewSpaceBox)
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| 384 | box =*viewSpaceBox;
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[468] | 385 | else
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[434] | 386 | box = mKdTree->GetBox();
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[468] | 387 |
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[434] | 388 | // shrink the box in the y direction
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| 389 | return box.GetRandomPoint();
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[372] | 390 | }
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| 391 |
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[376] | 392 | Vector3
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[427] | 393 | VssPreprocessor::GetDirection(const Vector3 &viewpoint,
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[434] | 394 | AxisAlignedBox3 *viewSpaceBox
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| 395 | )
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[372] | 396 | {
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[434] | 397 | Vector3 point;
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[600] | 398 | if (!use2dSampling)
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| 399 | {
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| 400 | if (0)
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| 401 | {
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| 402 | Vector3 normal;
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| 403 | int i = Random((int)mObjects.size());
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| 404 | Intersectable *object = mObjects[i];
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| 405 | object->GetRandomSurfacePoint(point, normal);
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| 406 | }
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| 407 | else
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| 408 | point = mKdTree->GetBox().GetRandomPoint();
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[534] | 409 | // point = viewpoint + UniformRandomVector();
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[600] | 410 | }
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| 411 | else
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| 412 | {
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| 413 | AxisAlignedBox3 box;
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[534] | 414 |
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[600] | 415 | if (viewSpaceBox)
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| 416 | box =*viewSpaceBox;
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| 417 | else
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| 418 | box = mKdTree->GetBox();
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[468] | 419 |
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[600] | 420 | point = box.GetRandomPoint();
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| 421 | point.y = viewpoint.y;
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[434] | 422 | }
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[468] | 423 |
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[434] | 424 | return point - viewpoint;
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[372] | 425 | }
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| 426 |
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[401] | 427 | int
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[427] | 428 | VssPreprocessor::GenerateImportanceRays(VssTree *vssTree,
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[434] | 429 | const int desiredSamples,
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| 430 | SimpleRayContainer &rays
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| 431 | )
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[401] | 432 | {
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[434] | 433 | int num;
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| 434 | if (0) {
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| 435 | float minRayContribution;
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| 436 | float maxRayContribution;
|
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| 437 | float avgRayContribution;
|
---|
[468] | 438 |
|
---|
[434] | 439 | vssTree->GetRayContributionStatistics(minRayContribution,
|
---|
| 440 | maxRayContribution,
|
---|
| 441 | avgRayContribution);
|
---|
[468] | 442 |
|
---|
[434] | 443 | cout<<
|
---|
| 444 | "#MIN_RAY_CONTRIB\n"<<minRayContribution<<endl<<
|
---|
| 445 | "#MAX_RAY_CONTRIB\n"<<maxRayContribution<<endl<<
|
---|
| 446 | "#AVG_RAY_CONTRIB\n"<<avgRayContribution<<endl;
|
---|
[468] | 447 |
|
---|
[434] | 448 | float p = desiredSamples/(float)(avgRayContribution*vssTree->stat.Leaves());
|
---|
| 449 | num = vssTree->GenerateRays(p, rays);
|
---|
| 450 | } else {
|
---|
[534] | 451 | int leaves = vssTree->stat.Leaves();
|
---|
[434] | 452 | num = vssTree->GenerateRays(desiredSamples, leaves, rays);
|
---|
| 453 | }
|
---|
[468] | 454 |
|
---|
[434] | 455 | cout<<"Generated "<<num<<" rays."<<endl;
|
---|
[468] | 456 |
|
---|
[434] | 457 | return num;
|
---|
[427] | 458 | }
|
---|
[376] | 459 |
|
---|
| 460 |
|
---|
[427] | 461 | bool
|
---|
| 462 | VssPreprocessor::ExportRays(const char *filename,
|
---|
[434] | 463 | const VssRayContainer &vssRays,
|
---|
| 464 | const int number
|
---|
| 465 | )
|
---|
[427] | 466 | {
|
---|
[434] | 467 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
[468] | 468 |
|
---|
[434] | 469 | Exporter *exporter = NULL;
|
---|
| 470 | exporter = Exporter::GetExporter(filename);
|
---|
[1074] | 471 | exporter->SetWireframe();
|
---|
| 472 | exporter->ExportKdTree(*mKdTree);
|
---|
[434] | 473 | exporter->SetFilled();
|
---|
| 474 | exporter->ExportScene(mSceneGraph->mRoot);
|
---|
| 475 | exporter->SetWireframe();
|
---|
[427] | 476 |
|
---|
[434] | 477 | if (mViewSpaceBox) {
|
---|
[438] | 478 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
[434] | 479 | exporter->ExportBox(*mViewSpaceBox);
|
---|
| 480 | exporter->ResetForcedMaterial();
|
---|
| 481 | }
|
---|
[468] | 482 |
|
---|
[534] | 483 | VssRayContainer rays;
|
---|
| 484 | vssRays.SelectRays(number, rays);
|
---|
| 485 |
|
---|
[685] | 486 | //exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[468] | 487 |
|
---|
[434] | 488 | delete exporter;
|
---|
[401] | 489 |
|
---|
[434] | 490 | cout<<"done."<<endl<<flush;
|
---|
[427] | 491 |
|
---|
[434] | 492 | return true;
|
---|
[401] | 493 | }
|
---|
| 494 |
|
---|
| 495 |
|
---|
[372] | 496 | bool
|
---|
[434] | 497 | VssPreprocessor::ExportVssTree(char *filename,
|
---|
[438] | 498 | VssTree *tree,
|
---|
| 499 | const Vector3 &dir
|
---|
| 500 | )
|
---|
[434] | 501 | {
|
---|
| 502 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
| 503 | exporter->SetFilled();
|
---|
| 504 | exporter->ExportScene(mSceneGraph->mRoot);
|
---|
[438] | 505 | // exporter->SetWireframe();
|
---|
| 506 | bool result = exporter->ExportVssTree2( *tree, dir );
|
---|
[434] | 507 | delete exporter;
|
---|
| 508 | return result;
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | bool
|
---|
[427] | 512 | VssPreprocessor::ExportVssTreeLeaf(char *filename,
|
---|
[434] | 513 | VssTree *tree,
|
---|
| 514 | VssTreeLeaf *leaf)
|
---|
[427] | 515 | {
|
---|
[434] | 516 | Exporter *exporter = NULL;
|
---|
| 517 | exporter = Exporter::GetExporter(filename);
|
---|
| 518 | exporter->SetWireframe();
|
---|
| 519 | exporter->ExportKdTree(*mKdTree);
|
---|
[468] | 520 |
|
---|
[434] | 521 | if (mViewSpaceBox) {
|
---|
| 522 | exporter->SetForcedMaterial(RgbColor(1,0,0));
|
---|
| 523 | exporter->ExportBox(*mViewSpaceBox);
|
---|
[427] | 524 | exporter->ResetForcedMaterial();
|
---|
[434] | 525 | }
|
---|
[468] | 526 |
|
---|
[434] | 527 | exporter->SetForcedMaterial(RgbColor(0,0,1));
|
---|
| 528 | exporter->ExportBox(tree->GetBBox(leaf));
|
---|
| 529 | exporter->ResetForcedMaterial();
|
---|
[468] | 530 |
|
---|
[434] | 531 | VssRayContainer rays[4];
|
---|
| 532 | for (int i=0; i < leaf->rays.size(); i++) {
|
---|
| 533 | int k = leaf->rays[i].GetRayClass();
|
---|
| 534 | rays[k].push_back(leaf->rays[i].mRay);
|
---|
| 535 | }
|
---|
[468] | 536 |
|
---|
[434] | 537 | // SOURCE RAY
|
---|
| 538 | exporter->ExportRays(rays[0], RgbColor(1, 0, 0));
|
---|
| 539 | // TERMINATION RAY
|
---|
| 540 | exporter->ExportRays(rays[1], RgbColor(1, 1, 1));
|
---|
| 541 | // PASSING_RAY
|
---|
| 542 | exporter->ExportRays(rays[2], RgbColor(1, 1, 0));
|
---|
| 543 | // CONTAINED_RAY
|
---|
| 544 | exporter->ExportRays(rays[3], RgbColor(0, 0, 1));
|
---|
[427] | 545 |
|
---|
[434] | 546 | delete exporter;
|
---|
| 547 | return true;
|
---|
[427] | 548 | }
|
---|
| 549 |
|
---|
| 550 | void
|
---|
| 551 | VssPreprocessor::ExportVssTreeLeaves(VssTree *tree, const int number)
|
---|
| 552 | {
|
---|
[434] | 553 | vector<VssTreeLeaf *> leaves;
|
---|
| 554 | tree->CollectLeaves(leaves);
|
---|
[427] | 555 |
|
---|
[434] | 556 | int num = 0;
|
---|
| 557 | int i;
|
---|
| 558 | float p = number / (float)leaves.size();
|
---|
| 559 | for (i=0; i < leaves.size(); i++) {
|
---|
| 560 | if (RandomValue(0,1) < p) {
|
---|
| 561 | char filename[64];
|
---|
| 562 | sprintf(filename, "vss-leaf-%04d.x3d", num);
|
---|
| 563 | ExportVssTreeLeaf(filename, tree, leaves[i]);
|
---|
| 564 | num++;
|
---|
[427] | 565 | }
|
---|
[434] | 566 | if (num >= number)
|
---|
| 567 | break;
|
---|
| 568 | }
|
---|
[427] | 569 | }
|
---|
| 570 |
|
---|
[685] | 571 |
|
---|
[535] | 572 | void VssPreprocessor::TestBeamCasting(VssTree *tree,
|
---|
| 573 | ViewCellsManager *vm,
|
---|
| 574 | const ObjectContainer &objects)
|
---|
[530] | 575 | {
|
---|
[540] | 576 | //debuggerWidget = new GlDebuggerWidget(renderer);
|
---|
| 577 | // renderer->resize(640, 480);
|
---|
| 578 | //debuggerWidget->resize(640, 480);
|
---|
| 579 |
|
---|
[531] | 580 | vector<VssTreeLeaf *> leaves;
|
---|
| 581 | tree->CollectLeaves(leaves);
|
---|
[530] | 582 |
|
---|
[535] | 583 | Exporter *exporter = Exporter::GetExporter("shafts.x3d");
|
---|
| 584 |
|
---|
| 585 | exporter->SetWireframe();
|
---|
[540] | 586 | exporter->ExportGeometry(objects);
|
---|
[535] | 587 | exporter->SetFilled();
|
---|
| 588 | //Randomize();
|
---|
[1145] | 589 | // §§matt
|
---|
| 590 | // debuggerWidget = new GlDebuggerWidget(renderer);
|
---|
[540] | 591 |
|
---|
| 592 | /*debuggerWidget->mBeam = beam;
|
---|
| 593 | debuggerWidget->mSourceObject = sourceObj;
|
---|
| 594 | debuggerWidget->mSamples = 10000;
|
---|
| 595 |
|
---|
| 596 | Debug << "showing window" << endl;
|
---|
[1145] | 597 | debuggerWidget->show();
|
---|
[540] | 598 |
|
---|
[1145] | 599 | renderer->makeCurrent();*/
|
---|
[540] | 600 |
|
---|
| 601 | for (int i = 0; i < 10; ++ i)
|
---|
[530] | 602 | {
|
---|
[540] | 603 | Beam beam;
|
---|
| 604 | Intersectable *sourceObj = mObjects[5];
|
---|
| 605 |
|
---|
[531] | 606 | const int index = (int)RandomValue(0, (Real)((int)leaves.size() - 1));
|
---|
| 607 | VssTreeLeaf *leaf = leaves[index];
|
---|
[530] | 608 |
|
---|
[535] | 609 | AxisAlignedBox3 dirBox = tree->GetDirBBox(leaf);
|
---|
[531] | 610 | AxisAlignedBox3 box = tree->GetBBox(leaf);
|
---|
[532] | 611 |
|
---|
[535] | 612 | beam.Construct(box, dirBox);
|
---|
[532] | 613 |
|
---|
| 614 | // collect kd leaves and view cells
|
---|
| 615 | mKdTree->CastBeam(beam);
|
---|
| 616 | vm->CastBeam(beam);
|
---|
| 617 |
|
---|
[577] | 618 | Debug << "found " << (int)beam.mViewCells.size() << " view cells and "
|
---|
| 619 | << (int)beam.mKdNodes.size() << " kd nodes" << endl;
|
---|
[532] | 620 |
|
---|
[530] | 621 | BeamSampleStatistics stats;
|
---|
[1145] | 622 | // §§matt
|
---|
| 623 | /* renderer->SampleBeamContributions(sourceObj,
|
---|
[589] | 624 | beam,
|
---|
| 625 | 200000,
|
---|
[531] | 626 | stats);
|
---|
[530] | 627 |
|
---|
[540] | 628 | char s[64]; sprintf(s, "shaft%04d.png", i);
|
---|
| 629 |
|
---|
| 630 | QImage image = renderer->toImage();
|
---|
| 631 | image.save(s, "PNG");
|
---|
[532] | 632 | Debug << "beam statistics: " << stats << endl << endl;
|
---|
[1145] | 633 | */
|
---|
[540] | 634 | if (1)
|
---|
| 635 | {
|
---|
| 636 | AxisAlignedBox3 sbox = mSceneGraph->GetBox();
|
---|
| 637 | Vector3 bmin = sbox.Min() - 150.0f;
|
---|
| 638 | Vector3 bmax = sbox.Max() + 150.0f;
|
---|
| 639 | AxisAlignedBox3 vbox(bmin, bmax);
|
---|
[535] | 640 |
|
---|
[540] | 641 | exporter->ExportBeam(beam, vbox);
|
---|
| 642 | }
|
---|
[535] | 643 |
|
---|
[540] | 644 | bool exportViewCells = false;
|
---|
[535] | 645 |
|
---|
| 646 | if (exportViewCells)
|
---|
| 647 | {
|
---|
| 648 | ViewCellContainer::const_iterator it, it_end = beam.mViewCells.end();
|
---|
| 649 |
|
---|
| 650 | for (it = beam.mViewCells.begin(); it != beam.mViewCells.end(); ++ it)
|
---|
| 651 | {
|
---|
| 652 | BspNodeGeometry geom;
|
---|
| 653 | AxisAlignedBox3 vbox;
|
---|
| 654 | vbox.Initialize();
|
---|
[538] | 655 | vbox.Include((*it)->GetMesh());
|
---|
| 656 |
|
---|
| 657 | exporter->SetWireframe();
|
---|
[535] | 658 | exporter->ExportBox(vbox);
|
---|
[538] | 659 | exporter->SetFilled();
|
---|
| 660 | exporter->ExportViewCell(*it);
|
---|
[535] | 661 | }
|
---|
[538] | 662 |
|
---|
| 663 | /*vector<KdNode *>::const_iterator it, it_end = beam.mKdNodes.end();
|
---|
| 664 |
|
---|
| 665 | for (it = beam.mKdNodes.begin(); it != beam.mKdNodes.end(); ++ it)
|
---|
| 666 | {
|
---|
| 667 | exporter->ExportBox(mKdTree->GetBox((*it)));
|
---|
| 668 | }*/
|
---|
[535] | 669 | }
|
---|
[530] | 670 | }
|
---|
[540] | 671 | /*while (1)
|
---|
| 672 | { debuggerWidget->repaint();
|
---|
| 673 | };*/
|
---|
[535] | 674 | delete exporter;
|
---|
[530] | 675 | }
|
---|
| 676 |
|
---|
[540] | 677 |
|
---|
[434] | 678 | float
|
---|
| 679 | VssPreprocessor::GetAvgPvsSize(VssTree *tree,
|
---|
| 680 | const vector<AxisAlignedBox3> &viewcells
|
---|
| 681 | )
|
---|
| 682 | {
|
---|
| 683 | vector<AxisAlignedBox3>::const_iterator it, it_end = viewcells.end();
|
---|
| 684 |
|
---|
| 685 | int sum = 0;
|
---|
| 686 | for (it = viewcells.begin(); it != it_end; ++ it)
|
---|
| 687 | sum += tree->GetPvsSize(*it);
|
---|
[468] | 688 |
|
---|
[434] | 689 | return sum/(float)viewcells.size();
|
---|
| 690 | }
|
---|
| 691 |
|
---|
[427] | 692 | bool
|
---|
[372] | 693 | VssPreprocessor::ComputeVisibility()
|
---|
| 694 | {
|
---|
[579] | 695 | Debug << "type: vss" << endl;
|
---|
[468] | 696 |
|
---|
[372] | 697 | long startTime = GetTime();
|
---|
[468] | 698 |
|
---|
[372] | 699 | int totalSamples = 0;
|
---|
| 700 |
|
---|
| 701 |
|
---|
[1002] | 702 | AxisAlignedBox3 box(mKdTree->GetBox());
|
---|
[534] | 703 |
|
---|
[434] | 704 | if (!useViewspacePlane) {
|
---|
[446] | 705 | float size = 0.05f;
|
---|
[434] | 706 | float s = 0.5f - size;
|
---|
[1002] | 707 | float olds = Magnitude(box.Size());
|
---|
| 708 | box.Enlarge(box.Size()*Vector3(-s));
|
---|
[434] | 709 | Vector3 translation = Vector3(-olds*0.1f, 0, 0);
|
---|
[1002] | 710 | box.SetMin(box.Min() + translation);
|
---|
| 711 | box.SetMax(box.Max() + translation);
|
---|
[434] | 712 | } else {
|
---|
[468] | 713 |
|
---|
[434] | 714 | // sample city like heights
|
---|
[1002] | 715 | box.SetMin(1, box.Min(1) + box.Size(1)*0.2f);
|
---|
| 716 | box.SetMax(1, box.Min(1) + box.Size(1)*0.3f);
|
---|
[434] | 717 | }
|
---|
[427] | 718 |
|
---|
[434] | 719 | if (use2dSampling)
|
---|
[1002] | 720 | box.SetMax(1, box.Min(1));
|
---|
[468] | 721 |
|
---|
[1221] | 722 | cout << "use view space box=" << mUseViewSpaceBox << endl;
|
---|
[579] | 723 |
|
---|
[1076] | 724 |
|
---|
[501] | 725 | if (mUseViewSpaceBox)
|
---|
[487] | 726 | {
|
---|
[1221] | 727 | //mViewSpaceBox = ConstructViewSpaceBox();
|
---|
| 728 |
|
---|
[674] | 729 | if (!mEnlargeViewSpace)
|
---|
[654] | 730 | {
|
---|
[1002] | 731 | mViewSpaceBox = new AxisAlignedBox3(box);
|
---|
[654] | 732 | }
|
---|
[598] | 733 | else
|
---|
| 734 | {
|
---|
[750] | 735 | mViewSpaceBox = new AxisAlignedBox3(mKdTree->GetBox());
|
---|
[677] | 736 |
|
---|
[1052] | 737 | if (0)
|
---|
[750] | 738 | {
|
---|
[1052] | 739 | // HACK: enlarge in y directon
|
---|
[750] | 740 | Vector3 size = mViewSpaceBox->Size();
|
---|
[1052] | 741 |
|
---|
| 742 | size[1] *= 1.25;
|
---|
| 743 | Vector3 enlarge(size[0] * 0.25f, size[1] * 0.0f, size[2] * 0.25f);
|
---|
| 744 | //Vector3 enlarge(size[0] * 4.0f, 0.0f, 0.0f);
|
---|
[598] | 745 |
|
---|
[1052] | 746 | mViewSpaceBox->Enlarge(enlarge);
|
---|
[750] | 747 | mViewSpaceBox->SetMax(mViewSpaceBox->Max() + enlarge);
|
---|
| 748 | }
|
---|
| 749 | else
|
---|
| 750 | {
|
---|
[1052] | 751 | AxisAlignedBox3 tbox(*mViewSpaceBox);
|
---|
| 752 |
|
---|
| 753 | Vector3 size = mViewSpaceBox->Size();
|
---|
| 754 | tbox.SetMax(0, mViewSpaceBox->Max(0) + size[0] * 0.5);
|
---|
| 755 | tbox.SetMin(0, mViewSpaceBox->Min(0) + size[0]);
|
---|
| 756 | *mViewSpaceBox = tbox;
|
---|
| 757 |
|
---|
[750] | 758 | // $$ JB temporary
|
---|
[1052] | 759 | /*AxisAlignedBox3 tempbox = *mViewSpaceBox;
|
---|
[750] | 760 |
|
---|
[1002] | 761 | float s = tempbox.Size(0);
|
---|
[750] | 762 |
|
---|
[1002] | 763 | tempbox.Scale(0.8f);
|
---|
| 764 | tempbox.SetMax(0, box.Max(0) + s*0.8f);
|
---|
| 765 | tempbox.SetMin(0, box.Min(0) + s*0.8f);
|
---|
[1052] | 766 | *mViewSpaceBox = tempbox;*/
|
---|
[750] | 767 | }
|
---|
[598] | 768 | }
|
---|
| 769 | //Debug << "view space box: " << *mViewSpaceBox << endl;
|
---|
[487] | 770 | }
|
---|
[434] | 771 | else
|
---|
[487] | 772 | {
|
---|
[579] | 773 | mViewSpaceBox = NULL;
|
---|
[487] | 774 | }
|
---|
[534] | 775 |
|
---|
[577] | 776 | AxisAlignedBox3 vbox = mViewSpaceBox ? *mViewSpaceBox : mKdTree->GetBox();
|
---|
| 777 |
|
---|
[590] | 778 | mSceneGraph->CollectObjects(&mObjects);
|
---|
| 779 |
|
---|
[518] | 780 | //-- load view cells from file if requested
|
---|
[577] | 781 | if (!mLoadViewCells)
|
---|
[574] | 782 | {
|
---|
[577] | 783 | mViewCellsManager->SetViewSpaceBox(vbox);
|
---|
[574] | 784 | // construct view cells using it's own set of samples
|
---|
| 785 | mViewCellsManager->Construct(this);
|
---|
[518] | 786 |
|
---|
[574] | 787 | //-- several visualizations and statistics
|
---|
[587] | 788 | Debug << "view cells construction finished: " << endl;
|
---|
[574] | 789 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 790 | }
|
---|
[590] | 791 | else
|
---|
[651] | 792 | {
|
---|
[590] | 793 | VssRayContainer dummies;
|
---|
| 794 | mViewCellsManager->Visualize(mObjects, dummies);
|
---|
[931] | 795 | mViewCellsManager->ExportViewCells("test.xml", mViewCellsManager->GetExportPvs(), mObjects);
|
---|
[590] | 796 | }
|
---|
[401] | 797 |
|
---|
[651] | 798 | VssTree *vssTree = NULL;
|
---|
[590] | 799 |
|
---|
[468] | 800 |
|
---|
[490] | 801 | long initialTime = GetTime();
|
---|
[468] | 802 |
|
---|
[490] | 803 | if (mLoadInitialSamples)
|
---|
| 804 | {
|
---|
| 805 | cout << "Loading samples from file ... ";
|
---|
| 806 | LoadSamples(mVssRays, mObjects);
|
---|
| 807 | cout << "finished\n" << endl;
|
---|
| 808 | totalSamples = (int)mVssRays.size();
|
---|
| 809 | }
|
---|
| 810 | else
|
---|
| 811 | {
|
---|
[534] | 812 |
|
---|
| 813 | while (totalSamples < mInitialSamples) {
|
---|
[490] | 814 | int passContributingSamples = 0;
|
---|
| 815 | int passSampleContributions = 0;
|
---|
| 816 | int passSamples = 0;
|
---|
[468] | 817 |
|
---|
[490] | 818 | int index = 0;
|
---|
[468] | 819 |
|
---|
[490] | 820 | int sampleContributions;
|
---|
[468] | 821 |
|
---|
[490] | 822 | int s = Min(mSamplesPerPass, mInitialSamples);
|
---|
| 823 | for (int k=0; k < s; k++) {
|
---|
| 824 | // changed by matt
|
---|
| 825 | Vector3 viewpoint;
|
---|
[534] | 826 | // viewpoint = GetViewpoint(mViewSpaceBox);
|
---|
[490] | 827 | mViewCellsManager->GetViewPoint(viewpoint);
|
---|
| 828 | Vector3 direction = GetDirection(viewpoint, mViewSpaceBox);
|
---|
[534] | 829 |
|
---|
[1221] | 830 | sampleContributions = CastRay(viewpoint, direction, mVssRays, vbox);
|
---|
[468] | 831 |
|
---|
[490] | 832 | if (sampleContributions) {
|
---|
| 833 | passContributingSamples ++;
|
---|
| 834 | passSampleContributions += sampleContributions;
|
---|
| 835 | }
|
---|
| 836 | passSamples++;
|
---|
| 837 | totalSamples++;
|
---|
| 838 | }
|
---|
[468] | 839 |
|
---|
[490] | 840 | mPass++;
|
---|
| 841 | int pvsSize = 0;
|
---|
| 842 | float avgRayContrib = (passContributingSamples > 0) ?
|
---|
| 843 | passSampleContributions/(float)passContributingSamples : 0;
|
---|
[468] | 844 |
|
---|
[490] | 845 | cout << "#Pass " << mPass << " : t = " << TimeDiff(startTime, GetTime())*1e-3 << "s" << endl;
|
---|
| 846 | cout << "#TotalSamples=" << totalSamples/1000
|
---|
[651] | 847 | << "#SampleContributions=" << passSampleContributions << " ("
|
---|
[490] | 848 | << 100*passContributingSamples/(float)passSamples<<"%)" << " avgPVS="
|
---|
| 849 | << pvsSize/(float)mObjects.size() << endl
|
---|
| 850 | << "avg ray contrib=" << avgRayContrib << endl;
|
---|
[468] | 851 |
|
---|
[490] | 852 | mStats <<
|
---|
| 853 | "#Pass\n" <<mPass<<endl<<
|
---|
| 854 | "#Time\n" << TimeDiff(startTime, GetTime())*1e-3 << endl<<
|
---|
| 855 | "#TotalSamples\n" << totalSamples<< endl<<
|
---|
| 856 | "#SampleContributions\n" << passSampleContributions << endl <<
|
---|
| 857 | "#PContributingSamples\n"<<100*passContributingSamples/(float)passSamples<<endl <<
|
---|
| 858 | "#AvgPVS\n"<< pvsSize/(float)mObjects.size() << endl <<
|
---|
| 859 | "#AvgRayContrib\n" << avgRayContrib << endl;
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 | cout << "#totalPvsSize=" << mKdTree->CollectLeafPvs() << endl;
|
---|
[534] | 863 |
|
---|
| 864 |
|
---|
| 865 |
|
---|
[490] | 866 | }
|
---|
[564] | 867 |
|
---|
| 868 |
|
---|
[490] | 869 | cout << "#totalRayStackSize=" << (int)mVssRays.size() << endl << flush;
|
---|
| 870 | Debug << (int)mVssRays.size() << " rays generated in "
|
---|
| 871 | << TimeDiff(initialTime, GetTime()) * 1e-3 << " seconds" << endl;
|
---|
[401] | 872 |
|
---|
[490] | 873 | if (mStoreInitialSamples)
|
---|
| 874 | {
|
---|
| 875 | cout << "Writing " << (int)mVssRays.size() << " samples to file ... ";
|
---|
[508] | 876 | ExportSamples(mVssRays);
|
---|
[490] | 877 | cout << "finished\n" << endl;
|
---|
[491] | 878 |
|
---|
| 879 | /*VssRayContainer dummyRays;
|
---|
| 880 | LoadSamples(dummyRays, mObjects);
|
---|
| 881 | Debug << "rays " << (int)mVssRays.size() << " " << dummyRays.size() << endl;
|
---|
| 882 |
|
---|
| 883 | for (int i = 0; i < (int)mVssRays.size(); ++ i)
|
---|
| 884 | {
|
---|
| 885 | Debug << mVssRays[i]->GetOrigin() << " " << mVssRays[i]->GetTermination() << " " << mVssRays[i]->mOriginObject << " " << mVssRays[i]->mTerminationObject << endl;
|
---|
| 886 | Debug << dummyRays[i]->GetOrigin() << " " << dummyRays[i]->GetTermination() << " " << dummyRays[i]->mOriginObject << " " << dummyRays[i]->mTerminationObject << endl << endl;
|
---|
| 887 | }*/
|
---|
[434] | 888 | }
|
---|
[468] | 889 |
|
---|
[534] | 890 |
|
---|
[712] | 891 | //int numExportRays = 2000;
|
---|
| 892 | int numExportRays = 0;
|
---|
[372] | 893 |
|
---|
[434] | 894 | if (numExportRays) {
|
---|
| 895 | char filename[64];
|
---|
| 896 | sprintf(filename, "vss-rays-initial.x3d");
|
---|
| 897 | ExportRays(filename, mVssRays, numExportRays);
|
---|
| 898 | }
|
---|
[468] | 899 |
|
---|
[434] | 900 | vssTree = new VssTree;
|
---|
| 901 | // viewcells = Construct(mVssRays);
|
---|
[468] | 902 |
|
---|
[434] | 903 | vssTree->Construct(mVssRays, mViewSpaceBox);
|
---|
| 904 | cout<<"VssTree root PVS size = "<<vssTree->GetRootPvsSize()<<endl;
|
---|
[468] | 905 |
|
---|
[1074] | 906 | ExportRays("kdtree.x3d", mVssRays, 10);
|
---|
| 907 |
|
---|
[465] | 908 | if (0)
|
---|
| 909 | {
|
---|
| 910 | ExportVssTree("vss-tree-100.x3d", vssTree, Vector3(1,0,0));
|
---|
| 911 | ExportVssTree("vss-tree-001.x3d", vssTree, Vector3(0,0,1));
|
---|
| 912 | ExportVssTree("vss-tree-101.x3d", vssTree, Vector3(1,0,1));
|
---|
| 913 | ExportVssTree("vss-tree-101m.x3d", vssTree, Vector3(-1,0,-1));
|
---|
| 914 | ExportVssTreeLeaves(vssTree, 10);
|
---|
| 915 | }
|
---|
[430] | 916 |
|
---|
[434] | 917 | // viewcells->UpdatePVS(newVssRays);
|
---|
| 918 | // get viewcells as kd tree boxes
|
---|
| 919 | vector<AxisAlignedBox3> kdViewcells;
|
---|
| 920 | if (0) {
|
---|
| 921 | vector<KdLeaf *> leaves;
|
---|
| 922 | mKdTree->CollectLeaves(leaves);
|
---|
| 923 | vector<KdLeaf *>::const_iterator it;
|
---|
| 924 | int targetLeaves = 50;
|
---|
| 925 | float prob = targetLeaves/(float)leaves.size();
|
---|
| 926 | for (it = leaves.begin(); it != leaves.end(); ++it)
|
---|
| 927 | if (RandomValue(0.0f,1.0f) < prob)
|
---|
| 928 | kdViewcells.push_back(mKdTree->GetBox(*it));
|
---|
[468] | 929 |
|
---|
[434] | 930 | float avgPvs = GetAvgPvsSize(vssTree, kdViewcells);
|
---|
| 931 | cout<<"Initial average PVS size = "<<avgPvs<<endl;
|
---|
| 932 | }
|
---|
| 933 |
|
---|
[468] | 934 |
|
---|
[434] | 935 | int samples = 0;
|
---|
| 936 | int pass = 0;
|
---|
[448] | 937 |
|
---|
[535] | 938 |
|
---|
[448] | 939 | // cast view cell samples
|
---|
[557] | 940 | while (samples < mVssSamples)
|
---|
| 941 | {
|
---|
| 942 |
|
---|
[434] | 943 | int num = mVssSamplesPerPass;
|
---|
| 944 | SimpleRayContainer rays;
|
---|
| 945 | VssRayContainer vssRays;
|
---|
[468] | 946 |
|
---|
[434] | 947 | if (!mUseImportanceSampling) {
|
---|
| 948 | for (int j=0; j < num; j++) {
|
---|
[487] | 949 | // changed by matt
|
---|
| 950 | //Vector3 viewpoint = GetViewpoint(mViewSpaceBox);
|
---|
| 951 | Vector3 viewpoint;
|
---|
| 952 | mViewCellsManager->GetViewPoint(viewpoint);
|
---|
[434] | 953 | Vector3 direction = GetDirection(viewpoint, mViewSpaceBox);
|
---|
| 954 | rays.push_back(SimpleRay(viewpoint, direction));
|
---|
| 955 | }
|
---|
| 956 | } else {
|
---|
| 957 | num = GenerateImportanceRays(vssTree, num, rays);
|
---|
| 958 | }
|
---|
[468] | 959 |
|
---|
[434] | 960 | for (int i=0; i < rays.size(); i++)
|
---|
[1221] | 961 | CastRay(rays[i].mOrigin, rays[i].mDirection, vssRays, vbox);
|
---|
[468] | 962 |
|
---|
[434] | 963 | vssTree->AddRays(vssRays);
|
---|
[468] | 964 |
|
---|
[434] | 965 | if (0) {
|
---|
| 966 | int subdivided = vssTree->UpdateSubdivision();
|
---|
| 967 | cout<<"subdivided leafs = "<<subdivided<<endl;
|
---|
| 968 | }
|
---|
[427] | 969 |
|
---|
[434] | 970 | float avgPvs = GetAvgPvsSize(vssTree, kdViewcells);
|
---|
| 971 | cout<<"Average PVS size = "<<avgPvs<<endl;
|
---|
[430] | 972 |
|
---|
[517] | 973 | /// compute view cell contribution of rays
|
---|
[574] | 974 | mViewCellsManager->ComputeSampleContributions(vssRays, true, false);
|
---|
[517] | 975 |
|
---|
[434] | 976 | if (numExportRays) {
|
---|
| 977 | char filename[64];
|
---|
| 978 | if (mUseImportanceSampling)
|
---|
| 979 | sprintf(filename, "vss-rays-i%04d.x3d", pass);
|
---|
| 980 | else
|
---|
| 981 | sprintf(filename, "vss-rays-%04d.x3d", pass);
|
---|
[468] | 982 |
|
---|
[434] | 983 | ExportRays(filename, vssRays, numExportRays);
|
---|
[401] | 984 | }
|
---|
[386] | 985 |
|
---|
[434] | 986 | samples+=num;
|
---|
| 987 | float pvs = vssTree->GetAvgPvsSize();
|
---|
| 988 | cout<<"*****************************\n";
|
---|
| 989 | cout<<samples<<" avgPVS ="<<pvs<<endl;
|
---|
| 990 | cout<<"VssTree root PVS size = "<<vssTree->GetRootPvsSize()<<endl;
|
---|
| 991 | cout<<"*****************************\n";
|
---|
[557] | 992 | // if (samples >= mVssSamples) break;
|
---|
| 993 | pass ++;
|
---|
[434] | 994 | }
|
---|
[448] | 995 |
|
---|
[574] | 996 | if (mTestBeamSampling && mUseGlRenderer)
|
---|
| 997 | {
|
---|
| 998 | TestBeamCasting(vssTree, mViewCellsManager, mObjects);
|
---|
[553] | 999 | }
|
---|
| 1000 |
|
---|
[1221] | 1001 | if (0) Debug << vssTree->stat << endl;
|
---|
[468] | 1002 |
|
---|
[574] | 1003 | if (0)
|
---|
| 1004 | {
|
---|
| 1005 | VssRayContainer viewCellRays;
|
---|
[1221] | 1006 | // compute rays used for view cells construction
|
---|
[574] | 1007 | const int numRays = mViewCellsManager->GetVisualizationSamples();
|
---|
| 1008 | vssTree->CollectRays(viewCellRays, numRays);
|
---|
[540] | 1009 | }
|
---|
[535] | 1010 |
|
---|
[452] | 1011 | //-- render simulation after merge
|
---|
[574] | 1012 | cout << "\nevaluating bsp view cells render time after sampling ... ";
|
---|
[605] | 1013 | Debug << "\nStatistics after sampling: " << endl;
|
---|
| 1014 |
|
---|
[468] | 1015 | mRenderSimulator->RenderScene();
|
---|
| 1016 | SimulationStatistics ss;
|
---|
| 1017 | mRenderSimulator->GetStatistics(ss);
|
---|
[474] | 1018 |
|
---|
[452] | 1019 | cout << " finished" << endl;
|
---|
| 1020 | cout << ss << endl;
|
---|
| 1021 | Debug << ss << endl;
|
---|
[468] | 1022 |
|
---|
[434] | 1023 | delete vssTree;
|
---|
[475] | 1024 |
|
---|
[434] | 1025 | return true;
|
---|
[466] | 1026 | }
|
---|
[697] | 1027 |
|
---|
[860] | 1028 | } |
---|