[1460] | 1 | #include "Environment.h"
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| 2 | #include "GvsPreprocessor.h"
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| 3 | #include "GlRenderer.h"
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[1473] | 4 | #include "VssRay.h"
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| 5 | #include "ViewCellsManager.h"
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[1486] | 6 | #include "Triangle3.h"
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[1489] | 7 | #include "IntersectableWrapper.h"
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[1500] | 8 | #include "Plane3.h"
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[1521] | 9 | #include "RayCaster.h"
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[1522] | 10 | #include "Exporter.h"
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[1545] | 11 | #include "SamplingStrategy.h"
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[1460] | 12 |
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[1473] | 13 |
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[1460] | 14 | namespace GtpVisibilityPreprocessor
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| 15 | {
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| 16 |
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[1522] | 17 | struct VizStruct
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| 18 | {
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| 19 | Polygon3 *enlargedTriangle;
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| 20 | Triangle3 originalTriangle;
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| 21 | VssRay *ray;
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| 22 | };
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[1460] | 23 |
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[1522] | 24 | static vector<VizStruct> vizContainer;
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| 25 |
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[1533] | 26 | GvsPreprocessor::GvsPreprocessor():
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[1545] | 27 | Preprocessor(),
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| 28 | //mSamplingType(SamplingStrategy::DIRECTION_BASED_DISTRIBUTION),
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| 29 | mSamplingType(SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION),
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| 30 | mSampleContriPerPass(0),
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| 31 | mTotalSampleContri(0),
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| 32 | mReverseSamples(0),
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| 33 | mBorderSamples(0)
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[1460] | 34 | {
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[1486] | 35 | Environment::GetSingleton()->GetIntValue("GvsPreprocessor.totalSamples", mTotalSamples);
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| 36 | Environment::GetSingleton()->GetIntValue("GvsPreprocessor.initialSamples", mInitialSamples);
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| 37 | Environment::GetSingleton()->GetIntValue("GvsPreprocessor.samplesPerPass", mSamplesPerPass);
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| 38 | Environment::GetSingleton()->GetFloatValue("GvsPreprocessor.epsilon", mEps);
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[1500] | 39 | Environment::GetSingleton()->GetFloatValue("GvsPreprocessor.threshold", mThreshold);
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[1473] | 40 |
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[1486] | 41 | Debug << "Gvs preprocessor options" << endl;
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| 42 | Debug << "number of total samples: " << mTotalSamples << endl;
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| 43 | Debug << "number of initial samples: " << mInitialSamples << endl;
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| 44 | Debug << "number of samples per pass: " << mSamplesPerPass << endl;
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[1501] | 45 | Debug << "threshold: " << mThreshold << endl;
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| 46 | Debug << "eps: " << mEps << endl;
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[1486] | 47 |
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| 48 | mStats.open("gvspreprocessor.log");
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[1460] | 49 | }
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| 50 |
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[1473] | 51 |
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[1500] | 52 | bool GvsPreprocessor::CheckDiscontinuity(const VssRay ¤tRay,
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| 53 | const Triangle3 &hitTriangle,
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| 54 | const VssRay &oldRay)
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[1460] | 55 | {
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[1500] | 56 | const float dist = Magnitude(oldRay.GetDir());
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| 57 | const float newDist = Magnitude(currentRay.GetDir());
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| 58 |
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| 59 | #if 0
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| 60 | if ((dist - newDist) > mThresHold)
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[1545] | 61 | #else
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| 62 | // rather take relative distance
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[1500] | 63 | if ((dist / newDist) > mThreshold)
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| 64 | #endif
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| 65 | {
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| 66 | VssRay *newRay = ReverseSampling(currentRay, hitTriangle, oldRay);
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[1572] | 67 | // set flag for visualization
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[1571] | 68 | newRay->mFlags |= VssRay::ReverseSample;
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[1572] | 69 | cout << "here9444 " << (int) newRay->mFlags << " " << newRay << endl;
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[1570] | 70 | // ray is not pushed into the queue => can delete ray
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[1521] | 71 | if (!HandleRay(newRay))
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| 72 | delete newRay;
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[1570] | 73 |
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[1500] | 74 | return true;
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| 75 | }
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| 76 |
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[1486] | 77 | return false;
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| 78 | }
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[1473] | 79 |
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[1486] | 80 |
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[1521] | 81 | bool GvsPreprocessor::HandleRay(VssRay *vssRay)
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[1486] | 82 | {
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[1576] | 83 | cout << "x " << (int)vssRay->mFlags;
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[1570] | 84 | const bool storeRaysForViz = true;
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| 85 | mViewCellsManager->ComputeSampleContribution(*vssRay, true, storeRaysForViz);
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[1528] | 86 |
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| 87 | // some pvs contribution for this ray?
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| 88 | if (vssRay->mPvsContribution > 0)
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| 89 | {
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[1521] | 90 | mRayQueue.push(vssRay);
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[1570] | 91 |
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| 92 | if (storeRaysForViz)
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| 93 | {
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| 94 | ViewCellContainer::const_iterator vit, vit_end = vssRay->mViewCells.end();
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| 95 | for (vit = vssRay->mViewCells.begin(); vit != vit_end; ++ vit)
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| 96 | {
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[1571] | 97 | VssRay *nray = new VssRay(*vssRay);
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| 98 | nray->mFlags = vssRay->mFlags;
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| 99 | (*vit)->mVssRays.push_back(nray);
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| 100 | nray->mFlags = 10;
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| 101 | cout << "\nhere58 " << (int)nray->mFlags << " " << (int)vssRay->mFlags << endl;
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[1570] | 102 | }
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| 103 | }
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| 104 | //mVssRays.push_back(new VssRay(*vssRay));
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[1545] | 105 | ++ mSampleContriPerPass;
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[1533] | 106 |
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[1500] | 107 | return true;
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[1473] | 108 | }
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[1500] | 109 |
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| 110 | return false;
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[1460] | 111 | }
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| 112 |
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[1500] | 113 |
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| 114 | /** Creates 3 new vertices for triangle vertex with specified index.
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[1489] | 115 | */
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[1500] | 116 | static void CreateNewVertices(VertexContainer &vertices,
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| 117 | const Triangle3 &hitTriangle,
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| 118 | const VssRay &ray,
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| 119 | const int index,
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| 120 | const float eps)
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[1460] | 121 | {
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[1486] | 122 | const int indexU = (index + 1) % 3;
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| 123 | const int indexL = (index == 0) ? 2 : index - 1;
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| 124 |
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[1524] | 125 | const Vector3 a = hitTriangle.mVertices[index] - ray.GetOrigin();
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[1486] | 126 | const Vector3 b = hitTriangle.mVertices[indexU] - hitTriangle.mVertices[index];
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| 127 | const Vector3 c = hitTriangle.mVertices[index] - hitTriangle.mVertices[indexL];
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[1492] | 128 |
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[1533] | 129 | const float len = Magnitude(a);
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[1486] | 130 |
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[1523] | 131 | const Vector3 dir1 = Normalize(CrossProd(a, b)); //N((pi-xp)×(pi+1- pi));
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| 132 | const Vector3 dir2 = Normalize(CrossProd(a, c)); // N((pi-xp)×(pi- pi-1))
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[1524] | 133 | const Vector3 dir3 = DotProd(dir2, dir1) > 0 ? // N((pi-xp)×di,i-1+di,i+1×(pi-xp))
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| 134 | Normalize(dir2 + dir1) : Normalize(CrossProd(a, dir1) + CrossProd(dir2, a));
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[1492] | 135 |
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[1486] | 136 | // compute the new three hit points
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[1500] | 137 | // pi, i + 1: pi+ e·|pi-xp|·di, j
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| 138 | const Vector3 pt1 = hitTriangle.mVertices[index] + eps * len * dir1;
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| 139 | // pi, i - 1: pi+ e·|pi-xp|·di, j
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| 140 | const Vector3 pt2 = hitTriangle.mVertices[index] + eps * len * dir2;
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| 141 | // pi, i: pi+ e·|pi-xp|·di, j
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| 142 | const Vector3 pt3 = hitTriangle.mVertices[index] + eps * len * dir3;
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[1489] | 143 |
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[1524] | 144 | vertices.push_back(pt2);
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| 145 | vertices.push_back(pt3);
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[1500] | 146 | vertices.push_back(pt1);
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[1489] | 147 | }
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| 148 |
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| 149 |
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[1500] | 150 | void GvsPreprocessor::EnlargeTriangle(VertexContainer &vertices,
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| 151 | const Triangle3 &hitTriangle,
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| 152 | const VssRay &ray)
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| 153 | {
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| 154 | CreateNewVertices(vertices, hitTriangle, ray, 0, mEps);
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| 155 | CreateNewVertices(vertices, hitTriangle, ray, 1, mEps);
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| 156 | CreateNewVertices(vertices, hitTriangle, ray, 2, mEps);
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| 157 | }
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[1492] | 158 |
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[1500] | 159 |
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| 160 | static Vector3 CalcPredictedHitPoint(const VssRay &newRay,
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| 161 | const Triangle3 &hitTriangle,
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| 162 | const VssRay &oldRay)
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[1489] | 163 | {
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[1500] | 164 | Plane3 plane(hitTriangle.GetNormal(), hitTriangle.mVertices[0]);
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| 165 |
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| 166 | const Vector3 hitPt =
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| 167 | plane.FindIntersection(newRay.mTermination, newRay.mOrigin);
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| 168 |
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| 169 | return hitPt;
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| 170 | }
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| 171 |
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| 172 |
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| 173 | static bool EqualVisibility(const VssRay &a, const VssRay &b)
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| 174 | {
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| 175 | return a.mTerminationObject == b.mTerminationObject;
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| 176 | }
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| 177 |
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| 178 |
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| 179 | int GvsPreprocessor::SubdivideEdge(const Triangle3 &hitTriangle,
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| 180 | const Vector3 &p1,
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| 181 | const Vector3 &p2,
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| 182 | const VssRay &x,
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| 183 | const VssRay &y,
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| 184 | const VssRay &oldRay)
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| 185 | {
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| 186 | // the predicted hitpoint expects to hit the same mesh again
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| 187 | const Vector3 predictedHitX = CalcPredictedHitPoint(x, hitTriangle, oldRay);
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| 188 | const Vector3 predictedHitY = CalcPredictedHitPoint(y, hitTriangle, oldRay);
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| 189 |
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| 190 | CheckDiscontinuity(x, hitTriangle, oldRay);
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| 191 | CheckDiscontinuity(y, hitTriangle, oldRay);
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| 192 |
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| 193 | if (EqualVisibility(x, y))
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| 194 | {
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[1533] | 195 | return 0;
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[1500] | 196 | }
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| 197 | else
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| 198 | {
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[1533] | 199 | cout << "s";
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[1500] | 200 | const Vector3 p = (p1 + p2) * 0.5f;
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| 201 | SimpleRay sray(oldRay.mOrigin, p - oldRay.mOrigin);
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[1521] | 202 |
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[1566] | 203 | // cast ray into the new subdivision point
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[1563] | 204 | VssRay *newRay = mRayCaster->CastRay(sray, mViewCellsManager->GetViewSpaceBox(), false);
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[1571] | 205 |
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[1551] | 206 | if (!newRay) return 0;
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[1571] | 207 | newRay->mFlags |= VssRay::BorderSample;
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[1522] | 208 | const bool enqueued = HandleRay(newRay);
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[1521] | 209 |
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[1566] | 210 | // subdivide further
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[1500] | 211 | const int s1 = SubdivideEdge(hitTriangle, p1, p, x, *newRay, oldRay);
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| 212 | const int s2 = SubdivideEdge(hitTriangle, p, p2, *newRay, y, oldRay);
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[1533] | 213 |
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[1522] | 214 | if (!enqueued)
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[1521] | 215 | delete newRay;
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[1533] | 216 |
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| 217 | return s1 + s2 + 1;
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[1500] | 218 | }
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| 219 | }
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| 220 |
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| 221 |
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| 222 | int GvsPreprocessor::AdaptiveBorderSampling(const VssRay ¤tRay)
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| 223 | {
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[1486] | 224 | cout << "a";
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[1500] | 225 | Intersectable *tObj = currentRay.mTerminationObject;
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[1486] | 226 | Triangle3 hitTriangle;
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[1489] | 227 |
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| 228 | // other types not implemented yet
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| 229 | if (tObj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 230 | {
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| 231 | hitTriangle = dynamic_cast<TriangleIntersectable *>(tObj)->GetItem();
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| 232 | }
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[1522] | 233 | else
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| 234 | {
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| 235 | cout << "not yet implemented" << endl;
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| 236 | }
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[1489] | 237 |
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[1500] | 238 | VertexContainer enlargedTriangle;
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| 239 |
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| 240 | /// create 3 new hit points for each vertex
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| 241 | EnlargeTriangle(enlargedTriangle, hitTriangle, currentRay);
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| 242 |
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| 243 | /// create rays from sample points and handle them
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[1492] | 244 | SimpleRayContainer simpleRays;
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| 245 | simpleRays.reserve(9);
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[1486] | 246 |
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[1500] | 247 | VertexContainer::const_iterator vit, vit_end = enlargedTriangle.end();
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[1486] | 248 |
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[1500] | 249 | for (vit = enlargedTriangle.begin(); vit != vit_end; ++ vit)
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| 250 | {
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| 251 | const Vector3 rayDir = (*vit) - currentRay.GetOrigin();
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[1528] | 252 | SimpleRay sr(currentRay.GetOrigin(), rayDir);
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| 253 | simpleRays.AddRay(sr);
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[1500] | 254 | }
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[1522] | 255 |
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[1566] | 256 | if (0)
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| 257 | {
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| 258 | VizStruct dummy;
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| 259 | dummy.enlargedTriangle = new Polygon3(enlargedTriangle);
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| 260 | dummy.originalTriangle = hitTriangle;
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| 261 | //dummy.ray = new VssRay(currentRay);
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| 262 | vizContainer.push_back(dummy);
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| 263 | }
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| 264 |
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[1524] | 265 | // cast rays to triangle vertices and determine visibility
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[1489] | 266 | VssRayContainer vssRays;
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[1528] | 267 | CastRays(simpleRays, vssRays, false, false);
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[1533] | 268 |
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[1492] | 269 | // add to ray queue
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| 270 | EnqueueRays(vssRays);
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[1528] | 271 |
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[1524] | 272 | const int n = (int)enlargedTriangle.size();
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[1533] | 273 | int castRays = (int)vssRays.size();
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[1571] | 274 |
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| 275 | VssRayContainer::const_iterator rit, rit_end = vssRays.end();
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| 276 | for (rit = vssRays.begin(); rit != rit_end; ++ rit)
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| 277 | {
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| 278 | (*rit)->mFlags |= VssRay::BorderSample;
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| 279 | cout << "here390 " << (int) (*rit)->mFlags << endl;
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| 280 | }
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| 281 |
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[1533] | 282 | #if 1
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[1500] | 283 | // recursivly subdivide each edge
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[1524] | 284 | for (int i = 0; i < n; ++ i)
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[1500] | 285 | {
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[1533] | 286 | castRays += SubdivideEdge(
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[1500] | 287 | hitTriangle,
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| 288 | enlargedTriangle[i],
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[1524] | 289 | enlargedTriangle[(i + 1) % n],
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[1500] | 290 | *vssRays[i],
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[1524] | 291 | *vssRays[(i + 1) % n],
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[1500] | 292 | currentRay);
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| 293 | }
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[1522] | 294 | #endif
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[1533] | 295 |
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[1545] | 296 | mBorderSamples += castRays;
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[1533] | 297 | return castRays;
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[1473] | 298 | }
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| 299 |
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| 300 |
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[1500] | 301 | static Vector3 GetPassingPoint(const VssRay ¤tRay,
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[1533] | 302 | const Triangle3 &hitTriangle,
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| 303 | const VssRay &oldRay)
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[1473] | 304 | {
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[1500] | 305 | // intersect triangle plane with plane spanned by current samples
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| 306 | Plane3 plane(currentRay.GetOrigin(), currentRay.GetTermination(), oldRay.GetTermination());
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| 307 | Plane3 triPlane(hitTriangle.GetNormal(), hitTriangle.mVertices[0]);
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| 308 |
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| 309 | SimpleRay intersectLine = GetPlaneIntersection(plane, triPlane);
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| 310 |
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| 311 | // Evaluate new hitpoint just outside the triangle
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| 312 | const float factor = 0.95f;
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| 313 | float t = triPlane.FindT(intersectLine);
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| 314 | const Vector3 newPoint = intersectLine.mOrigin + t * factor * intersectLine.mDirection;
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| 315 |
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| 316 | return newPoint;
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| 317 | }
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| 318 |
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| 319 |
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| 320 | VssRay *GvsPreprocessor::ReverseSampling(const VssRay ¤tRay,
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| 321 | const Triangle3 &hitTriangle,
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| 322 | const VssRay &oldRay)
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| 323 | {
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| 324 | //-- The plane p = (xp, hit(x), hit(xold)) is intersected
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| 325 | //-- with the newly found triangle (xold is the previous ray from
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| 326 | //-- which x was generated). On the intersecting line, we select a point
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| 327 | //-- pnew which lies just outside of the new triangle so the ray
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| 328 | //-- just passes by inside the gap
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| 329 | const Vector3 newPoint = GetPassingPoint(currentRay, hitTriangle, oldRay);
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| 330 | const Vector3 predicted = CalcPredictedHitPoint(currentRay, hitTriangle, oldRay);
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| 331 |
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| 332 | //-- Construct the mutated ray with xnew,dir = predicted(x)- pnew
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| 333 | //-- as direction vector
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| 334 | const Vector3 newDir = predicted - newPoint ;
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| 335 | // take xnew,p = intersect(viewcell, line(pnew, predicted(x)) as origin ?
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| 336 | // difficult to say!!
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| 337 | const Vector3 newOrigin = newDir * -5000.0f;
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| 338 |
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[1571] | 339 | ++ mReverseSamples;
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| 340 |
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[1500] | 341 | return new VssRay(currentRay);
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[1473] | 342 | }
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| 343 |
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[1489] | 344 |
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| 345 | int GvsPreprocessor::CastInitialSamples(const int numSamples,
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| 346 | const int sampleType)
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| 347 | {
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[1473] | 348 | const long startTime = GetTime();
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| 349 |
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[1489] | 350 | // generate simple rays
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| 351 | SimpleRayContainer simpleRays;
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| 352 | GenerateRays(numSamples, sampleType, simpleRays);
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[1528] | 353 |
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[1489] | 354 | // generate vss rays
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[1473] | 355 | VssRayContainer samples;
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[1520] | 356 | CastRays(simpleRays, samples, true);
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[1489] | 357 | // add to ray queue
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[1492] | 358 | EnqueueRays(samples);
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[1533] | 359 |
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[1545] | 360 | //Debug << "generated " << numSamples << " samples in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
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[1489] | 361 | return (int)samples.size();
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| 362 | }
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| 363 |
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| 364 |
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[1500] | 365 | void GvsPreprocessor::EnqueueRays(VssRayContainer &samples)
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[1489] | 366 | {
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[1486] | 367 | // add samples to ray queue
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[1473] | 368 | VssRayContainer::const_iterator vit, vit_end = samples.end();
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[1576] | 369 | for (vit = samples.begin(); vit != vit_end; ++ vit)
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[1473] | 370 | {
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[1521] | 371 | HandleRay(*vit);
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[1460] | 372 | }
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| 373 | }
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| 374 |
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[1473] | 375 |
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[1486] | 376 | int GvsPreprocessor::Pass()
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[1460] | 377 | {
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[1528] | 378 | // reset samples
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[1533] | 379 | int castSamples = 0;
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| 380 | mSampleContriPerPass = 0;
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[1545] | 381 |
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[1533] | 382 | while (castSamples < mSamplesPerPass)
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[1528] | 383 | {
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[1473] | 384 | // Ray queue empty =>
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[1545] | 385 | // cast a number of uniform samples to fill ray queue
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| 386 | castSamples += CastInitialSamples(mInitialSamples, mSamplingType);
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[1533] | 387 | castSamples += ProcessQueue();
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[1545] | 388 | //cout << "\ncast " << castSamples << " samples in a processing pass" << endl;
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[1473] | 389 | }
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| 390 |
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[1533] | 391 | mTotalSampleContri += mSampleContriPerPass;
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| 392 | return castSamples;
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[1460] | 393 | }
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| 394 |
|
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[1473] | 395 |
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[1489] | 396 | int GvsPreprocessor::ProcessQueue()
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[1460] | 397 | {
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[1473] | 398 | int castSamples = 0;
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[1545] | 399 | ++ mGvsPass;
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[1473] | 400 |
|
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| 401 | while (!mRayQueue.empty())
|
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| 402 | {
|
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| 403 | // handle next ray
|
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[1500] | 404 | VssRay *ray = mRayQueue.top();
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[1473] | 405 | mRayQueue.pop();
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[1545] | 406 |
|
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[1501] | 407 | castSamples += AdaptiveBorderSampling(*ray);
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[1521] | 408 | delete ray;
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[1460] | 409 | }
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[1528] | 410 |
|
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[1473] | 411 | return castSamples;
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[1460] | 412 | }
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| 413 |
|
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| 414 |
|
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[1489] | 415 | bool GvsPreprocessor::ComputeVisibility()
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[1460] | 416 | {
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[1533] | 417 | cout << "Gvs Preprocessor started\n" << flush;
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[1545] | 418 | const long startTime = GetTime();
|
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[1533] | 419 |
|
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[1473] | 420 | Randomize(0);
|
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[1545] | 421 |
|
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| 422 | mPass = 0;
|
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| 423 | mGvsPass = 0;
|
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| 424 | mSampleContriPerPass = 0;
|
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| 425 | mTotalSampleContri = 0;
|
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| 426 | mReverseSamples = 0;
|
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| 427 | mBorderSamples = 0;
|
---|
| 428 |
|
---|
[1533] | 429 | int castSamples = 0;
|
---|
[1545] | 430 |
|
---|
[1486] | 431 | if (!mLoadViewCells)
|
---|
[1563] | 432 | {
|
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| 433 | /// construct the view cells from the scratch
|
---|
| 434 | ConstructViewCells();
|
---|
| 435 | cout << "finished view cell construction" << endl;
|
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[1486] | 436 | }
|
---|
[1571] | 437 | else if (0)
|
---|
[1563] | 438 | {
|
---|
[1551] | 439 | //-- load view cells from file
|
---|
| 440 | //-- test successful view cells loading by exporting them again
|
---|
| 441 | VssRayContainer dummies;
|
---|
| 442 | mViewCellsManager->Visualize(mObjects, dummies);
|
---|
[1563] | 443 | mViewCellsManager->ExportViewCells("test.xml.gz", mViewCellsManager->GetExportPvs(), mObjects);
|
---|
[1551] | 444 | }
|
---|
[1460] | 445 |
|
---|
[1533] | 446 | while (castSamples < mTotalSamples)
|
---|
[1473] | 447 | {
|
---|
[1533] | 448 | castSamples += Pass();
|
---|
[1528] | 449 |
|
---|
[1500] | 450 | ////////
|
---|
| 451 | //-- stats
|
---|
[1545] | 452 | cout << "\nPass " << mPass << " #samples: " << castSamples << " of " << mTotalSamples << endl;
|
---|
[1533] | 453 |
|
---|
[1486] | 454 | //mVssRays.PrintStatistics(mStats);
|
---|
[1545] | 455 | mStats
|
---|
| 456 | << "#Pass\n" << mPass << endl
|
---|
| 457 | << "#Time\n" << TimeDiff(startTime, GetTime())*1e-3 << endl
|
---|
| 458 | << "#TotalSamples\n" << castSamples << endl
|
---|
| 459 | << "#ScDiff\n" << mSampleContriPerPass << endl
|
---|
| 460 | << "#SamplesContri\n" << mTotalSampleContri << endl
|
---|
| 461 | << "#ReverseSamples\n" << mReverseSamples << endl
|
---|
| 462 | << "#BorderSamples\n" << mBorderSamples << endl
|
---|
| 463 | << "#GvsRuns\n" << mGvsPass << endl;
|
---|
[1460] | 464 |
|
---|
[1473] | 465 | mViewCellsManager->PrintPvsStatistics(mStats);
|
---|
[1566] | 466 |
|
---|
[1570] | 467 | char str[64]; sprintf(str, "tmp/pass%04d-", mPass);
|
---|
| 468 |
|
---|
[1571] | 469 | // visualization
|
---|
| 470 | if (mSampleContriPerPass > 0)
|
---|
| 471 | {
|
---|
| 472 | const bool exportRays = true;
|
---|
| 473 | const bool exportPvs = true;
|
---|
| 474 |
|
---|
| 475 | mViewCellsManager->ExportSingleViewCells(mObjects, 10, false, exportPvs, exportRays, 1000, str);
|
---|
| 476 | }
|
---|
| 477 |
|
---|
[1570] | 478 | // remove pass samples
|
---|
| 479 | ViewCellContainer::const_iterator vit, vit_end = mViewCellsManager->GetViewCells().end();
|
---|
| 480 | for (vit = mViewCellsManager->GetViewCells().begin(); vit != vit_end; ++ vit)
|
---|
| 481 | {
|
---|
| 482 | CLEAR_CONTAINER((*vit)->mVssRays);
|
---|
| 483 | }
|
---|
| 484 |
|
---|
[1566] | 485 | CLEAR_CONTAINER(mVssRays);
|
---|
[1473] | 486 | // ComputeRenderError();
|
---|
[1545] | 487 | ++ mPass;
|
---|
[1460] | 488 | }
|
---|
| 489 |
|
---|
[1545] | 490 | cout << 2 * castSamples / (1e3f * TimeDiff(startTime, GetTime())) << "M rays/s" << endl;
|
---|
| 491 | Visualize();
|
---|
| 492 |
|
---|
[1473] | 493 | return true;
|
---|
[1460] | 494 | }
|
---|
| 495 |
|
---|
[1522] | 496 |
|
---|
| 497 | void GvsPreprocessor::Visualize()
|
---|
| 498 | {
|
---|
| 499 | Exporter *exporter = Exporter::GetExporter("gvs.wrl");
|
---|
| 500 |
|
---|
| 501 | if (!exporter)
|
---|
| 502 | return;
|
---|
| 503 |
|
---|
| 504 | vector<VizStruct>::const_iterator vit, vit_end = vizContainer.end();
|
---|
| 505 | for (vit = vizContainer.begin(); vit != vit_end; ++ vit)
|
---|
| 506 | {
|
---|
[1524] | 507 | exporter->SetWireframe();
|
---|
[1522] | 508 | exporter->ExportPolygon((*vit).enlargedTriangle);
|
---|
| 509 | //Material m;
|
---|
[1524] | 510 | exporter->SetFilled();
|
---|
| 511 | Polygon3 poly = Polygon3((*vit).originalTriangle);
|
---|
| 512 | exporter->ExportPolygon(&poly);
|
---|
[1522] | 513 | }
|
---|
| 514 |
|
---|
| 515 | exporter->ExportRays(mVssRays);
|
---|
| 516 | delete exporter;
|
---|
[1460] | 517 | }
|
---|
[1522] | 518 |
|
---|
| 519 | } |
---|