[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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[372] | 13 |
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[434] | 14 | bool useViewSpaceBox = true;//true;
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[427] | 15 | bool use2dSampling = false;
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[434] | 16 | bool useViewspacePlane = true;//true;
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[427] | 17 |
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[372] | 18 | VssPreprocessor::VssPreprocessor():
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[434] | 19 | mPass(0),
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| 20 | mVssRays()
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[372] | 21 | {
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| 22 | // this should increase coherence of the samples
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[376] | 23 | environment->GetIntValue("VssPreprocessor.samplesPerPass", mSamplesPerPass);
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[403] | 24 | environment->GetIntValue("VssPreprocessor.initialSamples", mInitialSamples);
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| 25 | environment->GetIntValue("VssPreprocessor.vssSamples", mVssSamples);
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[427] | 26 | environment->GetIntValue("VssPreprocessor.vssSamplesPerPass", mVssSamplesPerPass);
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[429] | 27 | environment->GetBoolValue("VssPreprocessor.useImportanceSampling", mUseImportanceSampling);
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| 28 | environment->GetIntValue("BspTree.Construction.samples", mBspConstructionSamples);
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[468] | 29 |
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[372] | 30 | mStats.open("stats.log");
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| 31 | }
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| 32 |
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| 33 | VssPreprocessor::~VssPreprocessor()
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| 34 | {
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[434] | 35 | CLEAR_CONTAINER(mVssRays);
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[372] | 36 | }
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| 37 |
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| 38 | void
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[468] | 39 | VssPreprocessor::SetupRay(Ray &ray,
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| 40 | const Vector3 &point,
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[434] | 41 | const Vector3 &direction
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| 42 | )
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[372] | 43 | {
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[466] | 44 | ray.Clear();
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[434] | 45 | // do not store anything else then intersections at the ray
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[374] | 46 | ray.Init(point, direction, Ray::LOCAL_RAY);
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[372] | 47 | }
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| 48 |
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[386] | 49 | int
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[376] | 50 | VssPreprocessor::CastRay(
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[434] | 51 | Vector3 &viewPoint,
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| 52 | Vector3 &direction,
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| 53 | VssRayContainer &vssRays
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| 54 | )
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[372] | 55 | {
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[434] | 56 | int hits = 0;
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| 57 | static Ray ray;
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| 58 | AxisAlignedBox3 box = mKdTree->GetBox();
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[427] | 59 |
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[434] | 60 | AxisAlignedBox3 sbox = box;
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| 61 | sbox.Enlarge(Vector3(-Limits::Small));
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| 62 | if (!sbox.IsInside(viewPoint))
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| 63 | return 0;
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[468] | 64 |
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[434] | 65 | SetupRay(ray, viewPoint, direction);
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| 66 | // cast ray to KD tree to find intersection with other objects
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| 67 | Intersectable *objectA, *objectB;
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| 68 | Vector3 pointA, pointB;
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| 69 | float bsize = Magnitude(box.Size());
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| 70 | if (mKdTree->CastRay(ray)) {
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| 71 | objectA = ray.intersections[0].mObject;
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| 72 | pointA = ray.Extrap(ray.intersections[0].mT);
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| 73 | } else {
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| 74 | objectA = NULL;
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| 75 | // compute intersection with the scene bounding box
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| 76 | float tmin, tmax;
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| 77 | box.ComputeMinMaxT(ray, &tmin, &tmax);
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| 78 | if (tmax > bsize) {
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| 79 | // cerr<<"Warning: tmax > box size tmax="<<tmax<<" tmin="<<tmin<<" size="<<bsize<<endl;
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| 80 | // cerr<<"ray"<<ray<<endl;
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| 81 | }
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| 82 | pointA = ray.Extrap(tmax);
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[468] | 83 |
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[434] | 84 | }
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[386] | 85 |
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[434] | 86 | bool detectEmptyViewSpace = true;
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[468] | 87 |
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[434] | 88 | if (detectEmptyViewSpace) {
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| 89 | SetupRay(ray, pointA, -direction);
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| 90 | } else
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| 91 | SetupRay(ray, viewPoint, -direction);
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[468] | 92 |
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| 93 |
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[434] | 94 | if (mKdTree->CastRay(ray)) {
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[468] | 95 |
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[434] | 96 | objectB = ray.intersections[0].mObject;
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| 97 | pointB = ray.Extrap(ray.intersections[0].mT);
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[387] | 98 |
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[434] | 99 | } else {
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| 100 | objectB = NULL;
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| 101 | float tmin, tmax;
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| 102 | box.ComputeMinMaxT(ray, &tmin, &tmax);
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| 103 | if (tmax > bsize) {
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| 104 | // cerr<<"Warning: tmax > box size tmax="<<tmax<<" tmin="<<tmin<<" size="<<bsize<<endl;
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| 105 | // cerr<<"ray"<<ray<<endl;
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| 106 | }
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[468] | 107 |
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[434] | 108 | pointB = ray.Extrap(tmax);
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| 109 | }
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[372] | 110 |
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[434] | 111 | VssRay *vssRay = NULL;
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[386] | 112 |
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[434] | 113 | bool validSample = true;
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| 114 | if (detectEmptyViewSpace) {
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| 115 | if (Distance(pointA, pointB) <
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| 116 | Distance(viewPoint, pointA) + Distance(viewPoint, pointB) - Limits::Small) {
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| 117 | validSample = false;
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[386] | 118 | }
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[434] | 119 | }
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[468] | 120 |
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[434] | 121 | if (validSample) {
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| 122 | if (objectA) {
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| 123 | vssRay = new VssRay(pointB,
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| 124 | pointA,
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| 125 | objectB,
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| 126 | objectA);
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| 127 | vssRays.push_back(vssRay);
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| 128 | hits ++;
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| 129 | }
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[468] | 130 |
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[434] | 131 | if (objectB) {
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| 132 | vssRay = new VssRay(pointA,
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| 133 | pointB,
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| 134 | objectA,
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| 135 | objectB);
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| 136 | vssRays.push_back(vssRay);
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| 137 | hits ++;
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[372] | 138 | }
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[434] | 139 | }
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[468] | 140 |
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[434] | 141 | return hits;
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[372] | 142 | }
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| 143 |
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| 144 |
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[376] | 145 | Vector3
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[382] | 146 | VssPreprocessor::GetViewpoint(AxisAlignedBox3 *viewSpaceBox)
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[372] | 147 | {
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[434] | 148 | AxisAlignedBox3 box;
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[468] | 149 |
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[434] | 150 | if (viewSpaceBox)
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| 151 | box =*viewSpaceBox;
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[468] | 152 | else
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[434] | 153 | box = mKdTree->GetBox();
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[468] | 154 |
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[434] | 155 | // shrink the box in the y direction
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| 156 | return box.GetRandomPoint();
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[372] | 157 | }
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| 158 |
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[376] | 159 | Vector3
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[427] | 160 | VssPreprocessor::GetDirection(const Vector3 &viewpoint,
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[434] | 161 | AxisAlignedBox3 *viewSpaceBox
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| 162 | )
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[372] | 163 | {
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[434] | 164 | Vector3 point;
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| 165 | if (!use2dSampling) {
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| 166 | Vector3 normal;
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| 167 | int i = RandomValue(0, mObjects.size()-1);
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| 168 | Intersectable *object = mObjects[i];
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| 169 | object->GetRandomSurfacePoint(point, normal);
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| 170 | } else {
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| 171 | AxisAlignedBox3 box;
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[468] | 172 |
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[434] | 173 | if (viewSpaceBox)
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| 174 | box =*viewSpaceBox;
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[468] | 175 | else
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[434] | 176 | box = mKdTree->GetBox();
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[468] | 177 |
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[434] | 178 | point = box.GetRandomPoint();
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| 179 | point.y = viewpoint.y;
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| 180 | }
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[468] | 181 |
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[434] | 182 | return point - viewpoint;
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[372] | 183 | }
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| 184 |
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[401] | 185 | int
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[427] | 186 | VssPreprocessor::GenerateImportanceRays(VssTree *vssTree,
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[434] | 187 | const int desiredSamples,
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| 188 | SimpleRayContainer &rays
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| 189 | )
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[401] | 190 | {
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[434] | 191 | int num;
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| 192 | if (0) {
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| 193 | float minRayContribution;
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| 194 | float maxRayContribution;
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| 195 | float avgRayContribution;
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[468] | 196 |
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[434] | 197 | vssTree->GetRayContributionStatistics(minRayContribution,
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| 198 | maxRayContribution,
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| 199 | avgRayContribution);
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[468] | 200 |
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[434] | 201 | cout<<
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| 202 | "#MIN_RAY_CONTRIB\n"<<minRayContribution<<endl<<
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| 203 | "#MAX_RAY_CONTRIB\n"<<maxRayContribution<<endl<<
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| 204 | "#AVG_RAY_CONTRIB\n"<<avgRayContribution<<endl;
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[468] | 205 |
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[434] | 206 | float p = desiredSamples/(float)(avgRayContribution*vssTree->stat.Leaves());
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| 207 | num = vssTree->GenerateRays(p, rays);
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| 208 | } else {
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| 209 | int leaves = vssTree->stat.Leaves()/2;
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| 210 | num = vssTree->GenerateRays(desiredSamples, leaves, rays);
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| 211 | }
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[468] | 212 |
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[434] | 213 | cout<<"Generated "<<num<<" rays."<<endl;
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[468] | 214 |
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[434] | 215 | return num;
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[427] | 216 | }
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[376] | 217 |
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| 218 |
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[427] | 219 | bool
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| 220 | VssPreprocessor::ExportRays(const char *filename,
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[434] | 221 | const VssRayContainer &vssRays,
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| 222 | const int number
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| 223 | )
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[427] | 224 | {
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[434] | 225 | cout<<"Exporting vss rays..."<<endl<<flush;
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[468] | 226 |
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[434] | 227 | float prob = number/(float)vssRays.size();
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[427] | 228 |
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| 229 |
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[434] | 230 | Exporter *exporter = NULL;
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| 231 | exporter = Exporter::GetExporter(filename);
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| 232 | // exporter->SetWireframe();
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| 233 | // exporter->ExportKdTree(*mKdTree);
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| 234 | exporter->SetFilled();
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| 235 | exporter->ExportScene(mSceneGraph->mRoot);
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| 236 | exporter->SetWireframe();
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[427] | 237 |
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[434] | 238 | if (mViewSpaceBox) {
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[438] | 239 | exporter->SetForcedMaterial(RgbColor(1,0,1));
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[434] | 240 | exporter->ExportBox(*mViewSpaceBox);
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| 241 | exporter->ResetForcedMaterial();
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| 242 | }
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[468] | 243 |
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[434] | 244 | VssRayContainer rays; for (int i=0; i < vssRays.size(); i++)
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| 245 | if (RandomValue(0,1) < prob)
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| 246 | rays.push_back(vssRays[i]);
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[427] | 247 |
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[434] | 248 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
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[468] | 249 |
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[434] | 250 | delete exporter;
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[401] | 251 |
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[434] | 252 | cout<<"done."<<endl<<flush;
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[427] | 253 |
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[434] | 254 | return true;
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[401] | 255 | }
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| 256 |
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| 257 |
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[372] | 258 | bool
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[434] | 259 | VssPreprocessor::ExportVssTree(char *filename,
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[438] | 260 | VssTree *tree,
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| 261 | const Vector3 &dir
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| 262 | )
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[434] | 263 | {
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| 264 | Exporter *exporter = Exporter::GetExporter(filename);
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| 265 | exporter->SetFilled();
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| 266 | exporter->ExportScene(mSceneGraph->mRoot);
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[438] | 267 | // exporter->SetWireframe();
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| 268 | bool result = exporter->ExportVssTree2( *tree, dir );
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[434] | 269 | delete exporter;
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| 270 | return result;
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| 271 | }
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| 272 |
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| 273 | bool
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[427] | 274 | VssPreprocessor::ExportVssTreeLeaf(char *filename,
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[434] | 275 | VssTree *tree,
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| 276 | VssTreeLeaf *leaf)
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[427] | 277 | {
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[434] | 278 | Exporter *exporter = NULL;
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| 279 | exporter = Exporter::GetExporter(filename);
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| 280 | exporter->SetWireframe();
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| 281 | exporter->ExportKdTree(*mKdTree);
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[468] | 282 |
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[434] | 283 | if (mViewSpaceBox) {
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| 284 | exporter->SetForcedMaterial(RgbColor(1,0,0));
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| 285 | exporter->ExportBox(*mViewSpaceBox);
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[427] | 286 | exporter->ResetForcedMaterial();
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[434] | 287 | }
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[468] | 288 |
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[434] | 289 | exporter->SetForcedMaterial(RgbColor(0,0,1));
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| 290 | exporter->ExportBox(tree->GetBBox(leaf));
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| 291 | exporter->ResetForcedMaterial();
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[468] | 292 |
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[434] | 293 | VssRayContainer rays[4];
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| 294 | for (int i=0; i < leaf->rays.size(); i++) {
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| 295 | int k = leaf->rays[i].GetRayClass();
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| 296 | rays[k].push_back(leaf->rays[i].mRay);
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| 297 | }
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[468] | 298 |
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[434] | 299 | // SOURCE RAY
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| 300 | exporter->ExportRays(rays[0], RgbColor(1, 0, 0));
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| 301 | // TERMINATION RAY
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| 302 | exporter->ExportRays(rays[1], RgbColor(1, 1, 1));
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| 303 | // PASSING_RAY
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| 304 | exporter->ExportRays(rays[2], RgbColor(1, 1, 0));
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| 305 | // CONTAINED_RAY
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| 306 | exporter->ExportRays(rays[3], RgbColor(0, 0, 1));
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[427] | 307 |
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[434] | 308 | delete exporter;
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| 309 | return true;
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[427] | 310 | }
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| 311 |
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| 312 | void
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| 313 | VssPreprocessor::ExportVssTreeLeaves(VssTree *tree, const int number)
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| 314 | {
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[434] | 315 | vector<VssTreeLeaf *> leaves;
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| 316 | tree->CollectLeaves(leaves);
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[427] | 317 |
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[434] | 318 | int num = 0;
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| 319 | int i;
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| 320 | float p = number / (float)leaves.size();
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| 321 | for (i=0; i < leaves.size(); i++) {
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| 322 | if (RandomValue(0,1) < p) {
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| 323 | char filename[64];
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| 324 | sprintf(filename, "vss-leaf-%04d.x3d", num);
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| 325 | ExportVssTreeLeaf(filename, tree, leaves[i]);
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| 326 | num++;
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[427] | 327 | }
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[434] | 328 | if (num >= number)
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| 329 | break;
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| 330 | }
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[427] | 331 | }
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| 332 |
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[434] | 333 |
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| 334 | float
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| 335 | VssPreprocessor::GetAvgPvsSize(VssTree *tree,
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| 336 | const vector<AxisAlignedBox3> &viewcells
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| 337 | )
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| 338 | {
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| 339 | vector<AxisAlignedBox3>::const_iterator it, it_end = viewcells.end();
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| 340 |
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| 341 | int sum = 0;
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| 342 | for (it = viewcells.begin(); it != it_end; ++ it)
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| 343 | sum += tree->GetPvsSize(*it);
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[468] | 344 |
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[434] | 345 | return sum/(float)viewcells.size();
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| 346 | }
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| 347 |
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[427] | 348 | bool
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[372] | 349 | VssPreprocessor::ComputeVisibility()
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| 350 | {
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[468] | 351 |
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[376] | 352 | mSceneGraph->CollectObjects(&mObjects);
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[468] | 353 |
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[372] | 354 | long startTime = GetTime();
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[468] | 355 |
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[372] | 356 | int totalSamples = 0;
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| 357 |
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| 358 |
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[434] | 359 | AxisAlignedBox3 *box = new AxisAlignedBox3(mKdTree->GetBox());
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[382] | 360 |
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[434] | 361 | if (!useViewspacePlane) {
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[446] | 362 | float size = 0.05f;
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[434] | 363 | float s = 0.5f - size;
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| 364 | float olds = Magnitude(box->Size());
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| 365 | box->Enlarge(box->Size()*Vector3(-s));
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| 366 | Vector3 translation = Vector3(-olds*0.1f, 0, 0);
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| 367 | box->SetMin(box->Min() + translation);
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| 368 | box->SetMax(box->Max() + translation);
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| 369 | } else {
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[468] | 370 |
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[434] | 371 | // sample city like heights
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[446] | 372 | box->SetMin(1, box->Min(1) + box->Size(1)*0.2);
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| 373 | box->SetMax(1, box->Min(1) + box->Size(1)*0.3);
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[434] | 374 | }
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[427] | 375 |
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[434] | 376 | if (use2dSampling)
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| 377 | box->SetMax(1, box->Min(1));
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[468] | 378 |
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[434] | 379 | if (useViewSpaceBox)
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| 380 | mViewSpaceBox = box;
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| 381 | else
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| 382 | mViewSpaceBox = NULL;
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[401] | 383 |
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[468] | 384 |
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[434] | 385 | VssTree *vssTree = NULL;
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[401] | 386 |
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[403] | 387 | while (totalSamples < mInitialSamples) {
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[434] | 388 | int passContributingSamples = 0;
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| 389 | int passSampleContributions = 0;
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| 390 | int passSamples = 0;
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| 391 | int index = 0;
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[468] | 392 |
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[434] | 393 | int sampleContributions;
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[468] | 394 |
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[434] | 395 | int s = Min(mSamplesPerPass, mInitialSamples);
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| 396 | for (int k=0; k < s; k++) {
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[468] | 397 |
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[434] | 398 | Vector3 viewpoint = GetViewpoint(mViewSpaceBox);
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| 399 | Vector3 direction = GetDirection(viewpoint, mViewSpaceBox);
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[468] | 400 |
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[434] | 401 | sampleContributions = CastRay(viewpoint, direction, mVssRays);
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[468] | 402 |
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| 403 |
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[434] | 404 | //-- CORR matt: put block inside loop
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| 405 | if (sampleContributions) {
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| 406 | passContributingSamples ++;
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| 407 | passSampleContributions += sampleContributions;
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| 408 | }
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| 409 | passSamples++;
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| 410 | totalSamples++;
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| 411 | }
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[468] | 412 |
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[434] | 413 | mPass++;
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[468] | 414 |
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[434] | 415 | int pvsSize = 0;
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[468] | 416 | float avgRayContrib = (passContributingSamples > 0) ?
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[434] | 417 | passSampleContributions/(float)passContributingSamples : 0;
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[468] | 418 |
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[434] | 419 | cout << "#Pass " << mPass << " : t = " << TimeDiff(startTime, GetTime())*1e-3 << "s" << endl;
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[468] | 420 | cout << "#TotalSamples=" << totalSamples/1000
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| 421 | << "k #SampleContributions=" << passSampleContributions << " ("
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[434] | 422 | << 100*passContributingSamples/(float)passSamples<<"%)" << " avgPVS="
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[468] | 423 | << pvsSize/(float)mObjects.size() << endl
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[434] | 424 | << "avg ray contrib=" << avgRayContrib << endl;
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[468] | 425 |
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[434] | 426 | mStats <<
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| 427 | "#Pass\n" <<mPass<<endl<<
|
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| 428 | "#Time\n" << TimeDiff(startTime, GetTime())*1e-3 << endl<<
|
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| 429 | "#TotalSamples\n" << totalSamples<< endl<<
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[468] | 430 | "#SampleContributions\n" << passSampleContributions << endl <<
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[434] | 431 | "#PContributingSamples\n"<<100*passContributingSamples/(float)passSamples<<endl <<
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| 432 | "#AvgPVS\n"<< pvsSize/(float)mObjects.size() << endl <<
|
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| 433 | "#AvgRayContrib\n" << avgRayContrib << endl;
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[401] | 434 |
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| 435 |
|
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| 436 |
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[468] | 437 |
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[434] | 438 | }
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[468] | 439 |
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[434] | 440 | cout << "#totalPvsSize=" << mKdTree->CollectLeafPvs() << endl;
|
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| 441 | cout << "#totalRayStackSize=" << mVssRays.size() << endl <<flush;
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[468] | 442 |
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[452] | 443 | //int numExportRays = 10000;
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| 444 | int numExportRays = 0;
|
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[372] | 445 |
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[434] | 446 | if (numExportRays) {
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| 447 | char filename[64];
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| 448 | sprintf(filename, "vss-rays-initial.x3d");
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| 449 | ExportRays(filename, mVssRays, numExportRays);
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| 450 | }
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[468] | 451 |
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[466] | 452 | mSceneGraph->CollectObjects(&mObjects);
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[401] | 453 |
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[448] | 454 | // construct view cells
|
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[466] | 455 | mViewCellsManager->Construct(mObjects, mVssRays, mViewSpaceBox);
|
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[429] | 456 |
|
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[434] | 457 | vssTree = new VssTree;
|
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| 458 | // viewcells = Construct(mVssRays);
|
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[468] | 459 |
|
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[434] | 460 | vssTree->Construct(mVssRays, mViewSpaceBox);
|
---|
| 461 | cout<<"VssTree root PVS size = "<<vssTree->GetRootPvsSize()<<endl;
|
---|
[468] | 462 |
|
---|
[465] | 463 | if (0)
|
---|
| 464 | {
|
---|
| 465 | ExportVssTree("vss-tree-100.x3d", vssTree, Vector3(1,0,0));
|
---|
| 466 | ExportVssTree("vss-tree-001.x3d", vssTree, Vector3(0,0,1));
|
---|
| 467 | ExportVssTree("vss-tree-101.x3d", vssTree, Vector3(1,0,1));
|
---|
| 468 | ExportVssTree("vss-tree-101m.x3d", vssTree, Vector3(-1,0,-1));
|
---|
| 469 | ExportVssTreeLeaves(vssTree, 10);
|
---|
| 470 | }
|
---|
[430] | 471 |
|
---|
[434] | 472 | // viewcells->UpdatePVS(newVssRays);
|
---|
| 473 | // get viewcells as kd tree boxes
|
---|
| 474 | vector<AxisAlignedBox3> kdViewcells;
|
---|
| 475 | if (0) {
|
---|
| 476 | vector<KdLeaf *> leaves;
|
---|
| 477 | mKdTree->CollectLeaves(leaves);
|
---|
| 478 | vector<KdLeaf *>::const_iterator it;
|
---|
| 479 | int targetLeaves = 50;
|
---|
| 480 | float prob = targetLeaves/(float)leaves.size();
|
---|
| 481 | for (it = leaves.begin(); it != leaves.end(); ++it)
|
---|
| 482 | if (RandomValue(0.0f,1.0f) < prob)
|
---|
| 483 | kdViewcells.push_back(mKdTree->GetBox(*it));
|
---|
[468] | 484 |
|
---|
[434] | 485 | float avgPvs = GetAvgPvsSize(vssTree, kdViewcells);
|
---|
| 486 | cout<<"Initial average PVS size = "<<avgPvs<<endl;
|
---|
| 487 | }
|
---|
| 488 |
|
---|
[468] | 489 |
|
---|
[434] | 490 | int samples = 0;
|
---|
| 491 | int pass = 0;
|
---|
[448] | 492 |
|
---|
[451] | 493 | /// Rays used for post processing and visualizations
|
---|
[448] | 494 | RayContainer storedRays;
|
---|
| 495 | // cast view cell samples
|
---|
[434] | 496 | while (1) {
|
---|
| 497 | int num = mVssSamplesPerPass;
|
---|
| 498 | SimpleRayContainer rays;
|
---|
| 499 | VssRayContainer vssRays;
|
---|
[468] | 500 |
|
---|
[434] | 501 | if (!mUseImportanceSampling) {
|
---|
| 502 | for (int j=0; j < num; j++) {
|
---|
| 503 | Vector3 viewpoint = GetViewpoint(mViewSpaceBox);
|
---|
| 504 | Vector3 direction = GetDirection(viewpoint, mViewSpaceBox);
|
---|
| 505 | rays.push_back(SimpleRay(viewpoint, direction));
|
---|
| 506 | }
|
---|
| 507 | } else {
|
---|
| 508 | num = GenerateImportanceRays(vssTree, num, rays);
|
---|
| 509 | }
|
---|
[468] | 510 |
|
---|
[434] | 511 | for (int i=0; i < rays.size(); i++)
|
---|
| 512 | CastRay(rays[i].mOrigin, rays[i].mDirection, vssRays);
|
---|
[468] | 513 |
|
---|
[434] | 514 | vssTree->AddRays(vssRays);
|
---|
[468] | 515 |
|
---|
[434] | 516 | if (0) {
|
---|
| 517 | int subdivided = vssTree->UpdateSubdivision();
|
---|
| 518 | cout<<"subdivided leafs = "<<subdivided<<endl;
|
---|
| 519 | }
|
---|
[427] | 520 |
|
---|
[434] | 521 | float avgPvs = GetAvgPvsSize(vssTree, kdViewcells);
|
---|
| 522 | cout<<"Average PVS size = "<<avgPvs<<endl;
|
---|
[430] | 523 |
|
---|
[434] | 524 | if (numExportRays) {
|
---|
| 525 | char filename[64];
|
---|
| 526 | if (mUseImportanceSampling)
|
---|
| 527 | sprintf(filename, "vss-rays-i%04d.x3d", pass);
|
---|
| 528 | else
|
---|
| 529 | sprintf(filename, "vss-rays-%04d.x3d", pass);
|
---|
[468] | 530 |
|
---|
[434] | 531 | ExportRays(filename, vssRays, numExportRays);
|
---|
[401] | 532 | }
|
---|
[386] | 533 |
|
---|
[448] | 534 | //-- prepare traversal rays for view cell intersections
|
---|
| 535 | /// compute view cell contribution of rays
|
---|
[466] | 536 | mViewCellsManager->ComputeSampleContributions(vssRays);
|
---|
[448] | 537 |
|
---|
[434] | 538 | samples+=num;
|
---|
| 539 | float pvs = vssTree->GetAvgPvsSize();
|
---|
| 540 | cout<<"*****************************\n";
|
---|
| 541 | cout<<samples<<" avgPVS ="<<pvs<<endl;
|
---|
| 542 | cout<<"VssTree root PVS size = "<<vssTree->GetRootPvsSize()<<endl;
|
---|
| 543 | cout<<"*****************************\n";
|
---|
| 544 | if (samples >= mVssSamples)
|
---|
| 545 | break;
|
---|
| 546 | pass++;
|
---|
| 547 | }
|
---|
[448] | 548 |
|
---|
[468] | 549 |
|
---|
[466] | 550 | {
|
---|
| 551 | VssRayContainer storedRays;
|
---|
| 552 | vssTree->CollectRays(storedRays, Max(
|
---|
| 553 | mViewCellsManager->GetPostProcessSamples(),
|
---|
| 554 | mViewCellsManager->GetVisualizationSamples()));
|
---|
[468] | 555 |
|
---|
[466] | 556 | //-- post process view cells
|
---|
| 557 | mViewCellsManager->PostProcess(mObjects, storedRays);
|
---|
[468] | 558 |
|
---|
[466] | 559 | //-- several visualizations and statistics
|
---|
| 560 | mViewCellsManager->PrintStatistics(Debug);
|
---|
[452] | 561 |
|
---|
[466] | 562 | mViewCellsManager->Visualize(mObjects, storedRays);
|
---|
[452] | 563 |
|
---|
[466] | 564 | CLEAR_CONTAINER(storedRays);
|
---|
| 565 | }
|
---|
| 566 |
|
---|
[452] | 567 | //-- render simulation after merge
|
---|
| 568 | cout << "\nevaluating bsp view cells render time after merge ... ";
|
---|
[468] | 569 |
|
---|
| 570 | //-- render simulation after merge
|
---|
| 571 | cout << "\nevaluating bsp view cells render time after merge ... ";
|
---|
[466] | 572 |
|
---|
[468] | 573 | mRenderSimulator->RenderScene();
|
---|
| 574 | SimulationStatistics ss;
|
---|
| 575 | mRenderSimulator->GetStatistics(ss);
|
---|
| 576 |
|
---|
[452] | 577 | cout << " finished" << endl;
|
---|
| 578 | cout << ss << endl;
|
---|
| 579 | Debug << ss << endl;
|
---|
[468] | 580 |
|
---|
| 581 |
|
---|
[434] | 582 | delete vssTree;
|
---|
[468] | 583 |
|
---|
[434] | 584 | return true;
|
---|
[466] | 585 | }
|
---|