[440] | 1 | #ifndef _ViewCellsManager_H__
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| 2 | #define _ViewCellsManager_H__
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| 3 |
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| 4 | #include "Ray.h"
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| 5 | #include "VssRay.h"
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| 6 | #include "Containers.h"
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[475] | 7 | #include "ViewCell.h"
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[440] | 8 |
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| 9 | class ViewCell;
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| 10 | class Intersectable;
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| 11 | class RenderSimulator;
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[480] | 12 | class Renderer;
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[440] | 13 | class Mesh;
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| 14 | struct Triangle3;
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| 15 | class SimulationStatistics;
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| 16 | class BspTree;
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| 17 | class KdTree;
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| 18 | class VspKdTree;
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| 19 | class VspBspTree;
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| 20 | class KdNode;
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| 21 | class KdLeaf;
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| 22 | class VspKdTree;
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| 23 | class AxisAlignedBox3;
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[448] | 24 | class BspLeaf;
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[475] | 25 | class ViewCellsStatistics;
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[482] | 26 | class Exporter;
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[532] | 27 | class Beam;
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[503] | 28 |
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[475] | 29 | struct BspRay;
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| 30 |
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[440] | 31 | /**
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| 32 | Manages different higher order operations on the view cells.
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| 33 | */
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| 34 | class ViewCellsManager
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| 35 | {
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| 36 |
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| 37 | public:
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[467] | 38 | struct PvsStatistics {
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| 39 | int minPvs;
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| 40 | int maxPvs;
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| 41 | float avgPvs;
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| 42 | int viewcells;
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| 43 | };
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[466] | 44 |
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| 45 | /// view cell container types
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| 46 | enum {BSP, KD, VSP_KD, VSP_BSP};
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| 47 |
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[440] | 48 | /** Constructor taking the maximal number of samples used for construction
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| 49 | */
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| 50 | ViewCellsManager(const int constructionSamples);
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| 51 |
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| 52 | ViewCellsManager();
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| 53 |
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[462] | 54 | virtual ~ViewCellsManager();
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[440] | 55 |
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[527] | 56 | /** Constructs view cells container taking a preprocessor
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| 57 | @returns construction rays.
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| 58 | */
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| 59 | int Construct(VssRayContainer &rays);
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| 60 |
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[440] | 61 | /** Constructs view cell container with a given number of samples.
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| 62 | */
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| 63 | virtual int Construct(const ObjectContainer &objects,
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[487] | 64 | const VssRayContainer &rays) = 0;
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[440] | 65 |
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[441] | 66 | /** Computes sample contributions of the rays to the view cells PVS.
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| 67 |
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| 68 | @param rays bundle of rays used to find intersections with view cells and
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| 69 | adding the contribution
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| 70 | @param castRays true if ray should be cast to gain the information, false if rays
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| 71 | already hold the view cells intersection information and need not be recast.
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| 72 | @param sampleContributions returns the number of sample contributions
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| 73 | @param contributingSamples returns the number of contributingSamples
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[440] | 74 | */
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[475] | 75 | void ComputeSampleContributions(const VssRayContainer &rays);
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[440] | 76 |
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[441] | 77 |
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[475] | 78 | /** Computes sample contribution of a simgle ray to the view cells PVS.
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| 79 | @param ray finds intersections with view cells and holds the contribution
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| 80 | @param castRay true if ray should be cast to gain the information, false if ray
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| 81 | is already holding the information and need not be recast.
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[466] | 82 |
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[475] | 83 | @returns number of sample contributions
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| 84 | */
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| 85 | virtual void ComputeSampleContributions(VssRay &ray);
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[466] | 86 |
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[452] | 87 | /** Prints out statistics of the view cells.
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| 88 | */
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[475] | 89 | virtual void PrintStatistics(ostream &s) const;
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[452] | 90 |
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[440] | 91 | /** Post processes view cells givemŽa number of rays.
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| 92 | */
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[475] | 93 | virtual int PostProcess(const ObjectContainer &objects,
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| 94 | const VssRayContainer &rays) = 0;
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[440] | 95 |
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| 96 | /** Show visualization of the view cells.
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| 97 | */
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| 98 | virtual void Visualize(const ObjectContainer &objects,
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[466] | 99 | const VssRayContainer &sampleRays) = 0;
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[440] | 100 |
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| 101 | /** type of the view cell container.
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| 102 | */
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| 103 | virtual int GetType() const = 0;
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| 104 |
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[463] | 105 | /** Load the input viewcells. The input viewcells should be given as a collection
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| 106 | of meshes. Each mesh is assume to form a bounded polyhedron defining the interior of
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| 107 | the viewcell. The method then builds a BSP tree of these view cells.
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| 108 |
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| 109 | @param filename file to load
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| 110 | @return true on success
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| 111 | */
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[508] | 112 | virtual bool LoadViewCells(const string filename, ObjectContainer *objects);
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[440] | 113 |
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| 114 | /** Constructs view cell from base triangle. The ViewCell is extruded along the normal vector.
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| 115 | @param the base triangle
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| 116 | @param the height of the newly created view cell
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| 117 | */
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| 118 | ViewCell *ExtrudeViewCell(const Triangle3 &baseTri, const float height) const;
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| 119 |
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| 120 | /** Merges two view cells.
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| 121 | @note the piercing rays of the front and back will be ordered
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| 122 | @returns new view cell based on the merging.
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| 123 | */
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[441] | 124 | ViewCell *MergeViewCells(ViewCell &front, ViewCell &back) const;
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[440] | 125 |
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| 126 | /** Generates view cell of type specified by this manager
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| 127 | */
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| 128 | virtual ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
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| 129 |
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| 130 | /** Adds a new view cell to the list of predefined view cells.
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| 131 | */
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| 132 | void AddViewCell(ViewCell *viewCell);
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| 133 |
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| 134 | /** Derive view cells from objects.
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| 135 | */
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| 136 | void DeriveViewCells(const ObjectContainer &objects,
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| 137 | ViewCellContainer &viewCells,
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| 138 | const int maxViewCells) const;
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| 139 |
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| 140 | /** Sets maximal number of samples used for the
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| 141 | construction of the view cells.
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| 142 | */
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| 143 | void SetVisualizationSamples(const int visSamples);
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| 144 |
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| 145 | /** Sets maximal number of samples used for the visualization of the view cells.
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| 146 | */
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| 147 | void SetConstructionSamples(const int constructionSamples);
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| 148 |
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| 149 | /** Sets maximal number of samples used for the post processing of the view cells.
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| 150 | */
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| 151 | void SetPostProcessSamples(const int postProcessingSamples);
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| 152 |
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| 153 | /** See set.
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| 154 | */
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| 155 | int GetVisualizationSamples() const;
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| 156 |
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| 157 | /** See set.
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| 158 | */
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| 159 | int GetConstructionSamples() const;
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| 160 |
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| 161 | /** See set.
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| 162 | */
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| 163 | int GetPostProcessSamples() const;
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| 164 |
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| 165 | /** Returns true if view cells wer already constructed.
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| 166 | */
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| 167 | virtual bool ViewCellsConstructed() const = 0;
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[441] | 168 |
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[477] | 169 | /** cast line segment to get a list of unique viewcells which are intersected
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| 170 | by this line segment
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| 171 | */
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[466] | 172 |
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[477] | 173 | virtual int CastLineSegment(const Vector3 &origin,
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[466] | 174 | const Vector3 &termination,
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| 175 | ViewCellContainer &viewcells
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| 176 | ) = 0;
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| 177 |
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[477] | 178 | virtual void GetPvsStatistics(PvsStatistics &stat);
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[466] | 179 |
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[503] | 180 | /** Get a viewcell containing the specified point */
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| 181 | virtual ViewCell *GetViewCell(const Vector3 &point) = 0;
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[492] | 182 |
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[503] | 183 | virtual void PrintPvsStatistics(ostream &s);
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[467] | 184 |
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[477] | 185 | /** Returns probability that view point lies in one view cell.
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| 186 | */
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| 187 | virtual float GetProbability(ViewCell *viewCell) = 0;
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[468] | 188 |
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[477] | 189 | /** Returns render cost of a single view cell given the render cost of an object.
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| 190 | */
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| 191 | virtual float GetRendercost(ViewCell *viewCell, float objRendercost) const = 0;
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[468] | 192 |
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[477] | 193 | /** Returns vector of loaded / generated view cells.
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| 194 | */
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| 195 | ViewCellContainer &GetViewCells();
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[468] | 196 |
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[485] | 197 | /** Helper function used to split ray sets uniformly
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| 198 | into one that is currently used and the other that
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| 199 | is saved for later processing.
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| 200 | @param sourceRays the input ray set
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| 201 | @param maxSize the maximal number of rays that will be used
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| 202 | @param usedRays returns the used ray set
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| 203 | @param savedRays if not null, returns the saved ray set
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[477] | 204 | */
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| 205 | void GetRaySets(const VssRayContainer &sourceRays,
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[485] | 206 | const int maxSize,
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| 207 | VssRayContainer &usedRays,
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| 208 | VssRayContainer *savedRays = NULL) const;
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| 209 |
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[480] | 210 | /** Returns accumulated area of all view cells.
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| 211 | */
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| 212 | float GetAccVcArea();
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[470] | 213 |
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[480] | 214 | /** Returns area of one view cell.
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| 215 | */
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| 216 | virtual float GetArea(ViewCell *viewCell) const;
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[470] | 217 |
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[551] | 218 | /** Returns volume of view cell.
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[480] | 219 | */
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| 220 | virtual float GetVolume(ViewCell *viewCell) const;
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[470] | 221 |
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[480] | 222 | /** Sets the current renderer mainly for view cells statistics.
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| 223 | */
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| 224 | void SetRenderer(Renderer *renderer);
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| 225 |
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[487] | 226 | /** Computes a (random) view point in the valid view space.
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| 227 | @returns true if valid view point was found
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| 228 | */
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| 229 | virtual bool GetViewPoint(Vector3 &viewPoint) const;
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| 230 |
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[490] | 231 | /** Returns true if this view point is in the valid view space.
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| 232 | */
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| 233 | virtual bool ViewPointValid(const Vector3 &viewPoint) const;
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| 234 |
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[487] | 235 | /** Sets a view space boundary.
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| 236 | */
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| 237 | void SetViewSpaceBox(const AxisAlignedBox3 &box);
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| 238 |
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[519] | 239 | AxisAlignedBox3 GetViewSpaceBox() const;
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| 240 |
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[503] | 241 | /** Creates mesh for this view cell.
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| 242 | */
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| 243 | virtual void CreateMesh(ViewCell *vc) = NULL;
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[487] | 244 |
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[508] | 245 | /** Writes view cells to disc.
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| 246 | */
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| 247 | virtual bool ExportViewCells(const string filename);
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| 248 |
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[532] | 249 | /** Casts beam to collect view cells.
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| 250 | */
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| 251 | virtual int CastBeam(Beam &beam);
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| 252 |
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[547] | 253 | /** Checks if view cell is considered as valid.
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| 254 | */
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| 255 | virtual bool CheckValid(ViewCell *vc) const;
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| 256 |
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| 257 | /** Returns maximal allowed pvs size.
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| 258 | */
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| 259 | int GetMaxPvsSize() const;
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| 260 |
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| 261 | /** Exports view cell geometry.
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| 262 | */
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| 263 | virtual void ExportVcGeometry(Exporter *exporter, ViewCell *vc) const = 0;
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| 264 |
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[551] | 265 | virtual void FinalizeViewCells(const bool createMesh);
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| 266 |
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[469] | 267 | protected:
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[480] | 268 |
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[482] | 269 | void ParseEnvironment();
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| 270 |
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[508] | 271 | /** Creates unique view cell ids.
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| 272 | */
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| 273 | void CreateUniqueViewCellIds();
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[547] | 274 |
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[551] | 275 | /** Finalizes, i.e., creates mesh, volume, area etc. for the view cell.
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| 276 | */
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| 277 | virtual void Finalize(ViewCell *viewCell, const bool createMesh);
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| 278 |
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[480] | 279 | /** Recollects view cells and resets statistics.
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| 280 | */
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| 281 | void ResetViewCells();
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[482] | 282 |
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[480] | 283 | /** Collects the view cells in the view cell container.
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| 284 | */
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| 285 | virtual void CollectViewCells() = 0;
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[482] | 286 |
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[479] | 287 | /** Evaluates view cells statistics and stores it in
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| 288 | mViewCellsStatistics.
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| 289 | */
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| 290 | void EvaluateViewCellsStats();
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[482] | 291 |
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| 292 | //-- helper functions for view cell visualization
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| 293 |
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| 294 | /** Exports the view cell partition.
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| 295 | */
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[508] | 296 | void ExportViewCellsForViz(Exporter *exporter) const;
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[482] | 297 |
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| 298 | /** Sets exporter color.
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| 299 | */
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| 300 | virtual void ExportColor(Exporter *exporter, ViewCell *vc) const = 0;
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| 301 |
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[547] | 302 |
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[503] | 303 | /** Creates meshes from the view cells.
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| 304 | */
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[517] | 305 | void CreateViewCellMeshes();
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[503] | 306 |
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[508] | 307 | /**
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| 308 | Exports single view cell.
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| 309 | NOTE: should be in exporter!!
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| 310 | */
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| 311 | void ExportViewCell(ViewCell *viewCell, ofstream &stream);
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| 312 |
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[489] | 313 | /// the view cell corresponding to space ouside the valid view space
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| 314 | //ViewCell *mOutOfBoundsCell;
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[440] | 315 |
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[480] | 316 | /// Renders the view cells.
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| 317 | Renderer *mRenderer;
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[440] | 318 |
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| 319 | /// Loaded view cells
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[469] | 320 | ViewCellContainer mViewCells;
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[440] | 321 |
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| 322 | /// maximum number of samples taken for construction of the view cells
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| 323 | int mConstructionSamples;
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| 324 | int mPostProcessSamples;
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| 325 | int mVisualizationSamples;
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[441] | 326 |
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[463] | 327 | //-- thresholds used for view cells merge
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| 328 | int mMinPvsDif;
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| 329 | int mMinPvs;
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[441] | 330 | int mMaxPvs;
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[470] | 331 |
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| 332 | float mTotalAreaValid;
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| 333 | float mTotalArea;
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[475] | 334 |
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[547] | 335 | int mMaxPvsSize;
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| 336 |
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| 337 | float mMaxPvsRatio;
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| 338 |
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[475] | 339 | ViewCellsStatistics mViewCellsStats;
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[487] | 340 | /// the scene bounding box
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[542] | 341 | AxisAlignedBox3 mViewSpaceBox;
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[508] | 342 | /// holds the view cell meshes
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[503] | 343 | MeshContainer mMeshContainer;
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[508] | 344 | /// if view cells should be exported
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| 345 | bool mExportViewCells;
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[547] | 346 |
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| 347 |
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[487] | 348 | //-- visualization options
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| 349 |
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| 350 | /// color code for view cells
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| 351 | int mColorCode;
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| 352 | bool mExportGeometry;
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| 353 | bool mExportRays;
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[517] | 354 |
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| 355 | bool mViewCellsFinished;
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[440] | 356 | };
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| 357 |
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[441] | 358 |
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| 359 |
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[440] | 360 | /**
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| 361 | Manages different higher order operations on the view cells.
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| 362 | */
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| 363 | class BspViewCellsManager: public ViewCellsManager
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| 364 | {
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| 365 |
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| 366 | public:
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[485] | 367 | /** Constructor taking the bsp tree and the number of samples
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| 368 | used to construct the bsp tree.
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| 369 | */
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[440] | 370 | BspViewCellsManager(BspTree *tree, int constructionSamples);
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| 371 |
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[477] | 372 | ~BspViewCellsManager();
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| 373 |
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[440] | 374 | int Construct(const ObjectContainer &objects,
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[487] | 375 | const VssRayContainer &rays);
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[440] | 376 |
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| 377 |
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| 378 | int PostProcess(const ObjectContainer &objects,
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[466] | 379 | const VssRayContainer &rays);
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[440] | 380 |
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| 381 | void Visualize(const ObjectContainer &objects,
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[466] | 382 | const VssRayContainer &sampleRays);
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[440] | 383 |
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| 384 | int GetType() const;
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| 385 |
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| 386 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
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| 387 |
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| 388 | bool ViewCellsConstructed() const;
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| 389 |
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[475] | 390 | //void PrintStatistics(ostream &s) const;
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[452] | 391 |
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[468] | 392 | int CastLineSegment(const Vector3 &origin,
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| 393 | const Vector3 &termination,
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| 394 | ViewCellContainer &viewcells);
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| 395 |
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[471] | 396 | float GetProbability(ViewCell *viewCell);
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[469] | 397 | float GetRendercost(ViewCell *viewCell, float objRendercost) const;
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[466] | 398 |
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[503] | 399 | /** Get a viewcell containing the specified point */
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| 400 | ViewCell *GetViewCell(const Vector3 &point);
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[492] | 401 |
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[503] | 402 | void CreateMesh(ViewCell *vc);
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| 403 |
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[547] | 404 | void ExportVcGeometry(Exporter *exporter, ViewCell *vc) const;
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| 405 |
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[440] | 406 | protected:
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| 407 |
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[480] | 408 | void CollectViewCells();
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| 409 |
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[441] | 410 | /** Merges view cells front and back leaf view cell.
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| 411 | */
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| 412 | bool MergeBspLeafViewCells(BspLeaf *front, BspLeaf *back) const;
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[440] | 413 |
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[441] | 414 | /** Returns true if front and back leaf should be merged.
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| 415 | */
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| 416 | bool ShouldMerge(BspLeaf *front, BspLeaf *back) const;
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| 417 |
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[477] | 418 | void ConstructBspRays(const VssRayContainer &rays,
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| 419 | const int numSamples);
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[482] | 420 |
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| 421 | void ExportColor(Exporter *exporter, ViewCell *vc) const;
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[547] | 422 |
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[482] | 423 |
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[547] | 424 |
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[440] | 425 | /// the BSP tree.
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| 426 | BspTree *mBspTree;
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[475] | 427 |
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| 428 | vector<BspRay *> mBspRays;
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[440] | 429 |
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| 430 | private:
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| 431 |
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| 432 | /** Exports visualization of the BSP splits.
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| 433 | */
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[477] | 434 | void ExportSplits(const ObjectContainer &objects);
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[440] | 435 |
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| 436 | /** Exports visualization of the BSP PVS.
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| 437 | */
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[477] | 438 | void ExportBspPvs(const ObjectContainer &objects);
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[440] | 439 |
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| 440 | };
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| 441 |
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| 442 | /**
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| 443 | Manages different higher order operations on the KD type view cells.
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| 444 | */
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| 445 | class KdViewCellsManager: public ViewCellsManager
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| 446 | {
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| 447 |
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| 448 | public:
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| 449 |
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| 450 | KdViewCellsManager(KdTree *tree);
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| 451 |
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| 452 | int Construct(const ObjectContainer &objects,
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[487] | 453 | const VssRayContainer &rays);
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[440] | 454 |
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[478] | 455 | int CastLineSegment(const Vector3 &origin,
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| 456 | const Vector3 &termination,
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| 457 | ViewCellContainer &viewcells);
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[440] | 458 |
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| 459 | int PostProcess(const ObjectContainer &objects,
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[466] | 460 | const VssRayContainer &rays);
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[440] | 461 |
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| 462 | void Visualize(const ObjectContainer &objects,
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[466] | 463 | const VssRayContainer &sampleRays);
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[440] | 464 |
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| 465 | int GetType() const;
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| 466 |
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| 467 | bool ViewCellsConstructed() const;
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| 468 |
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| 469 |
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[452] | 470 | /** Prints out statistics of this approach.
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| 471 | */
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[503] | 472 | // virtual void PrintStatistics(ostream &s) const;
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| 473 | ViewCell *GetViewCell(const Vector3 &point) { return NULL; }
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[452] | 474 |
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[503] | 475 | float GetProbability(ViewCell *viewCell);
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| 476 | float GetRendercost(ViewCell *viewCell, float objRendercost) const;
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[468] | 477 |
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[503] | 478 | void CreateMesh(ViewCell *vc);
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| 479 |
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[547] | 480 | void ExportVcGeometry(Exporter *exporter, ViewCell *vc) const;
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| 481 |
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[440] | 482 | protected:
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| 483 |
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[480] | 484 | void CollectViewCells();
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| 485 | KdNode *GetNodeForPvs(KdLeaf *leaf);
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[440] | 486 |
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[482] | 487 | void ExportColor(Exporter *exporter, ViewCell *vc) const;
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[440] | 488 |
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[547] | 489 |
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[480] | 490 | /// the BSP tree.
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| 491 | KdTree *mKdTree;
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[440] | 492 |
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[480] | 493 | /// depth of the KD tree nodes with represent the view cells
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| 494 | int mKdPvsDepth;
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[440] | 495 | };
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| 496 |
|
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| 497 | /**
|
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| 498 | Manages different higher order operations on the view cells
|
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| 499 | for vsp kd tree view cells.
|
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| 500 | */
|
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| 501 | class VspKdViewCellsManager: public ViewCellsManager
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| 502 | {
|
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| 503 |
|
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| 504 | public:
|
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| 505 |
|
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| 506 | VspKdViewCellsManager(VspKdTree *vspKdTree, int constructionSamples);
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| 507 |
|
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| 508 | int Construct(const ObjectContainer &objects,
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[487] | 509 | const VssRayContainer &rays);
|
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[440] | 510 |
|
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| 511 |
|
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| 512 | int PostProcess(const ObjectContainer &objects,
|
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[466] | 513 | const VssRayContainer &rays);
|
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[440] | 514 |
|
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| 515 | void Visualize(const ObjectContainer &objects,
|
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[466] | 516 | const VssRayContainer &sampleRays);
|
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[440] | 517 |
|
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| 518 | int GetType() const;
|
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| 519 |
|
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| 520 | bool ViewCellsConstructed() const;
|
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| 521 |
|
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[475] | 522 | //virtual void PrintStatistics(ostream &s) const;
|
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[440] | 523 |
|
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[462] | 524 | ViewCell *GenerateViewCell(Mesh *mesh) const;
|
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| 525 |
|
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[466] | 526 |
|
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| 527 | int CastLineSegment(const Vector3 &origin,
|
---|
| 528 | const Vector3 &termination,
|
---|
[468] | 529 | ViewCellContainer &viewcells);
|
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[466] | 530 |
|
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[503] | 531 | ViewCell *GetViewCell(const Vector3 &point) { return NULL; }
|
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[492] | 532 |
|
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[471] | 533 | float GetProbability(ViewCell *viewCell);
|
---|
[469] | 534 | float GetRendercost(ViewCell *viewCell, float objRendercost) const;
|
---|
[468] | 535 |
|
---|
[503] | 536 | void CreateMesh(ViewCell *vc);
|
---|
| 537 |
|
---|
[547] | 538 | void ExportVcGeometry(Exporter *exporter, ViewCell *vc) const;
|
---|
| 539 |
|
---|
[440] | 540 | protected:
|
---|
| 541 |
|
---|
[482] | 542 | void ExportLeaves(const ObjectContainer &objects,
|
---|
| 543 | const VssRayContainer &sampleRays);
|
---|
| 544 |
|
---|
[480] | 545 | void CollectViewCells();
|
---|
| 546 |
|
---|
[482] | 547 | void ExportColor(Exporter *exporter, ViewCell *vc) const;
|
---|
| 548 |
|
---|
| 549 |
|
---|
[547] | 550 |
|
---|
[440] | 551 | /// the BSP tree.
|
---|
| 552 | VspKdTree *mVspKdTree;
|
---|
| 553 | };
|
---|
| 554 |
|
---|
| 555 |
|
---|
[442] | 556 |
|
---|
| 557 | /**
|
---|
| 558 | Manages different higher order operations on the view cells.
|
---|
| 559 | */
|
---|
| 560 | class VspBspViewCellsManager: public ViewCellsManager
|
---|
| 561 | {
|
---|
| 562 |
|
---|
| 563 | public:
|
---|
| 564 |
|
---|
| 565 | VspBspViewCellsManager(VspBspTree *tree, int constructionSamples);
|
---|
[475] | 566 | ~VspBspViewCellsManager();
|
---|
[442] | 567 |
|
---|
| 568 | int Construct(const ObjectContainer &objects,
|
---|
[487] | 569 | const VssRayContainer &rays);
|
---|
[442] | 570 |
|
---|
| 571 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 572 | const VssRayContainer &rays);
|
---|
[442] | 573 |
|
---|
| 574 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 575 | const VssRayContainer &sampleRays);
|
---|
[442] | 576 |
|
---|
| 577 | int GetType() const;
|
---|
| 578 |
|
---|
| 579 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 580 |
|
---|
| 581 | bool ViewCellsConstructed() const;
|
---|
| 582 |
|
---|
[468] | 583 |
|
---|
| 584 | int CastLineSegment(const Vector3 &origin,
|
---|
| 585 | const Vector3 &termination,
|
---|
| 586 | ViewCellContainer &viewcells);
|
---|
[452] | 587 |
|
---|
[471] | 588 | float GetProbability(ViewCell *viewCell);
|
---|
[469] | 589 | float GetRendercost(ViewCell *viewCell, float objRendercost) const;
|
---|
[479] | 590 |
|
---|
[503] | 591 | ViewCell *GetViewCell(const Vector3 &point);
|
---|
[477] | 592 |
|
---|
[487] | 593 | bool GetViewPoint(Vector3 &viewPoint) const;
|
---|
| 594 |
|
---|
[490] | 595 | bool ViewPointValid(const Vector3 &viewPoint) const;
|
---|
[503] | 596 |
|
---|
| 597 | void CreateMesh(ViewCell *vc);
|
---|
| 598 |
|
---|
[508] | 599 | bool LoadViewCells(const string filename, ObjectContainer *objects);
|
---|
| 600 | bool ExportViewCells(const string filename);
|
---|
| 601 |
|
---|
[532] | 602 | int CastBeam(Beam &beam);
|
---|
| 603 |
|
---|
[547] | 604 | void ExportVcGeometry(Exporter *exporter, ViewCell *vc) const;
|
---|
| 605 |
|
---|
[551] | 606 | //float GetVolume(ViewCell *viewCell) const;
|
---|
| 607 |
|
---|
| 608 | void Finalize(ViewCell *viewCell);
|
---|
| 609 |
|
---|
[442] | 610 | protected:
|
---|
[475] | 611 |
|
---|
[503] | 612 | /** Merges the view cells.
|
---|
[442] | 613 | */
|
---|
[508] | 614 | void MergeViewCells(const VssRayContainer &rays,
|
---|
| 615 | const ObjectContainer &objects);
|
---|
[503] | 616 |
|
---|
| 617 | void RefineViewCells(const VssRayContainer &rays);
|
---|
[442] | 618 |
|
---|
[480] | 619 | void CollectViewCells();
|
---|
| 620 |
|
---|
[482] | 621 | /** Returns maximal depth difference of view cell
|
---|
| 622 | leaves in tree.
|
---|
| 623 | */
|
---|
| 624 | int GetMaxTreeDiff(ViewCell *vc) const;
|
---|
[485] | 625 |
|
---|
[482] | 626 |
|
---|
[485] | 627 | void ExportColor(Exporter *exporter, ViewCell *vc) const;
|
---|
| 628 |
|
---|
[442] | 629 | /// the view space partition BSP tree.
|
---|
| 630 | VspBspTree *mVspBspTree;
|
---|
| 631 |
|
---|
| 632 | private:
|
---|
| 633 |
|
---|
| 634 | /** Exports visualization of the BSP splits.
|
---|
| 635 | */
|
---|
[485] | 636 | void ExportSplits(const ObjectContainer &objects,
|
---|
| 637 | const VssRayContainer &rays);
|
---|
[442] | 638 |
|
---|
| 639 | /** Exports visualization of the BSP PVS.
|
---|
| 640 | */
|
---|
[485] | 641 | void ExportBspPvs(const ObjectContainer &objects,
|
---|
| 642 | const VssRayContainer &rays);
|
---|
[442] | 643 |
|
---|
| 644 | };
|
---|
| 645 |
|
---|
[440] | 646 | #endif
|
---|