[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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[610] | 8 | #include "ViewCellBsp.h"
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[440] | 9 |
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[860] | 10 | namespace GtpVisibilityPreprocessor {
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| 11 |
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[440] | 12 | class ViewCell;
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| 13 | class Intersectable;
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| 14 | class RenderSimulator;
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[480] | 15 | class Renderer;
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[440] | 16 | class Mesh;
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| 17 | struct Triangle3;
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| 18 | class SimulationStatistics;
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| 19 | class BspTree;
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| 20 | class KdTree;
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[1006] | 21 | class VspOspTree;
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[440] | 22 | class VspBspTree;
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| 23 | class KdNode;
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| 24 | class KdLeaf;
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| 25 | class AxisAlignedBox3;
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[448] | 26 | class BspLeaf;
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[475] | 27 | class ViewCellsStatistics;
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[482] | 28 | class Exporter;
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[532] | 29 | class Beam;
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[570] | 30 | class Preprocessor;
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[580] | 31 | class ViewCellsTree;
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| 32 | class MergeCandidate;
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[931] | 33 | class BoundingBoxConverter;
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[1021] | 34 | class VspTree;
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| 35 | class OspTree;
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| 36 | class VspNode;
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[1027] | 37 | class HierarchyManager;
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[1259] | 38 | class BvHierarchy;
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| 39 |
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[1047] | 40 | struct AxisAlignedPlane;
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[475] | 41 | struct BspRay;
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| 42 |
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[677] | 43 |
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[1145] | 44 | /** Probably Visible Set
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| 45 | */
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[697] | 46 | class PrVs
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| 47 | {
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| 48 | public:
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[704] | 49 | /// root of view cells tree
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| 50 | ViewCell *mViewCell;
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| 51 |
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[880] | 52 | // input parameter is the render budget for the PrVs
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[677] | 53 | float mRenderBudget;
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| 54 |
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| 55 | /// some characteristic values could be here
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| 56 |
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| 57 | };
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| 58 |
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[850] | 59 |
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| 60 | /** Manages different higher order operations on the view cells.
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[440] | 61 | */
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| 62 | class ViewCellsManager
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| 63 | {
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| 64 | public:
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[728] | 65 | struct PvsStatistics
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| 66 | {
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| 67 | int minPvs;
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| 68 | int maxPvs;
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| 69 | float avgPvs;
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| 70 | int viewcells;
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[467] | 71 | };
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[697] | 72 |
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[728] | 73 | /// view cell container types
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[1021] | 74 | enum {BSP, KD, VSP_KD, VSP_BSP, VSP_OSP};
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[466] | 75 |
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[931] | 76 | /// render cost evaluation type
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[728] | 77 | enum {PER_OBJECT, PER_TRIANGLE};
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| 78 |
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[1004] | 79 | /** Default constructor.
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[440] | 80 | */
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[1004] | 81 | ViewCellsManager();
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[440] | 82 |
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[462] | 83 | virtual ~ViewCellsManager();
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[440] | 84 |
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[527] | 85 | /** Constructs view cells container taking a preprocessor
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[570] | 86 | @returns the output rays (if not null)
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| 87 | */
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| 88 | int Construct(Preprocessor *preprocessor, VssRayContainer *outRays = NULL);
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[527] | 89 |
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[440] | 90 | /** Constructs view cell container with a given number of samples.
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| 91 | */
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[574] | 92 | virtual int ConstructSubdivision(const ObjectContainer &objects,
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[487] | 93 | const VssRayContainer &rays) = 0;
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[440] | 94 |
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[441] | 95 | /** Computes sample contributions of the rays to the view cells PVS.
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| 96 |
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| 97 | @param rays bundle of rays used to find intersections with view cells and
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| 98 | adding the contribution
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[563] | 99 | @param addRays true if rays should be added to the PVSs of the viewcells they
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[574] | 100 | intersect
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| 101 | @param storeViewCells true if view cells should be stored in the ray
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| 102 | */
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[697] | 103 | float ComputeSampleContributions(const VssRayContainer &rays,
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[1155] | 104 | const bool addContributions,
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| 105 | const bool storeViewCells);
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[440] | 106 |
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[1155] | 107 | /** Add sample contributions to the viewcells they intersect
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| 108 | */
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[697] | 109 | void AddSampleContributions(const VssRayContainer &rays);
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[563] | 110 |
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[441] | 111 |
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[475] | 112 | /** Computes sample contribution of a simgle ray to the view cells PVS.
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| 113 | @param ray finds intersections with view cells and holds the contribution
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| 114 | @param castRay true if ray should be cast to gain the information, false if ray
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| 115 | is already holding the information and need not be recast.
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[466] | 116 |
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[475] | 117 | @returns number of sample contributions
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| 118 | */
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[1159] | 119 | virtual float ComputeSampleContribution(VssRay &ray,
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| 120 | const bool addRays,
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| 121 | const bool storeViewCells);
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[563] | 122 |
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[591] | 123 | virtual void AddSampleContributions(VssRay &ray);
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[563] | 124 |
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[452] | 125 | /** Prints out statistics of the view cells.
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| 126 | */
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[475] | 127 | virtual void PrintStatistics(ostream &s) const;
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[452] | 128 |
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[440] | 129 | /** Post processes view cells givemŽa number of rays.
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| 130 | */
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[475] | 131 | virtual int PostProcess(const ObjectContainer &objects,
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| 132 | const VssRayContainer &rays) = 0;
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[440] | 133 |
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| 134 | /** Show visualization of the view cells.
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| 135 | */
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| 136 | virtual void Visualize(const ObjectContainer &objects,
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[466] | 137 | const VssRayContainer &sampleRays) = 0;
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[440] | 138 |
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| 139 | /** type of the view cell container.
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| 140 | */
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| 141 | virtual int GetType() const = 0;
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| 142 |
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[463] | 143 | /** Load the input viewcells. The input viewcells should be given as a collection
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| 144 | of meshes. Each mesh is assume to form a bounded polyhedron defining the interior of
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| 145 | the viewcell. The method then builds a BSP tree of these view cells.
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| 146 |
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| 147 | @param filename file to load
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| 148 | @return true on success
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| 149 | */
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[577] | 150 | virtual bool LoadViewCellsGeometry(const string filename);
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[440] | 151 |
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[577] | 152 |
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[440] | 153 | /** Constructs view cell from base triangle. The ViewCell is extruded along the normal vector.
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| 154 | @param the base triangle
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| 155 | @param the height of the newly created view cell
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| 156 | */
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| 157 | ViewCell *ExtrudeViewCell(const Triangle3 &baseTri, const float height) const;
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| 158 |
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| 159 | /** Merges two view cells.
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| 160 | @note the piercing rays of the front and back will be ordered
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| 161 | @returns new view cell based on the merging.
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| 162 | */
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[582] | 163 | ViewCellInterior *MergeViewCells(ViewCell *front, ViewCell *back) const;
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| 164 |
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| 165 | /** Merges a container of view cells.
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| 166 | @returns new view cell based on the merging.
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| 167 | */
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| 168 | ViewCellInterior *MergeViewCells(ViewCellContainer &children) const;
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[440] | 169 |
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| 170 | /** Generates view cell of type specified by this manager
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| 171 | */
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[580] | 172 | virtual ViewCell *GenerateViewCell(Mesh *mesh = NULL) const = 0;
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[440] | 173 |
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| 174 | /** Adds a new view cell to the list of predefined view cells.
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| 175 | */
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| 176 | void AddViewCell(ViewCell *viewCell);
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| 177 |
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[1002] | 178 | /** Derive view cells from scene objects. The view ells are created by taking the object
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[1001] | 179 | geometry into account.
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[440] | 180 | */
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[1002] | 181 | void DeriveViewCellsFromObjects(const ObjectContainer &objects,
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| 182 | ViewCellContainer &viewCells,
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| 183 | const int maxViewCells) const;
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[440] | 184 |
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| 185 | /** Sets maximal number of samples used for the
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| 186 | construction of the view cells.
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| 187 | */
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| 188 | void SetVisualizationSamples(const int visSamples);
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| 189 |
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[574] | 190 | /** Sets maximal number of samples used for the construction of the view cells.
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[440] | 191 | */
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| 192 | void SetConstructionSamples(const int constructionSamples);
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| 193 |
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[574] | 194 | /** Sets maximal number of samples used for the visualization of the view cells.
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| 195 | */
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| 196 | void SetInitialSamples(const int initialSamples);
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| 197 |
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[440] | 198 | /** Sets maximal number of samples used for the post processing of the view cells.
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| 199 | */
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| 200 | void SetPostProcessSamples(const int postProcessingSamples);
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| 201 |
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| 202 | /** See set.
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| 203 | */
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| 204 | int GetVisualizationSamples() const;
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| 205 |
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| 206 | /** See set.
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| 207 | */
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| 208 | int GetConstructionSamples() const;
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| 209 |
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| 210 | /** See set.
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| 211 | */
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| 212 | int GetPostProcessSamples() const;
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| 213 |
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[1002] | 214 | /** Returns true if view cells are already constructed.
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[440] | 215 | */
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| 216 | virtual bool ViewCellsConstructed() const = 0;
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[441] | 217 |
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[477] | 218 | /** cast line segment to get a list of unique viewcells which are intersected
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| 219 | by this line segment
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| 220 | */
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[466] | 221 |
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[477] | 222 | virtual int CastLineSegment(const Vector3 &origin,
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[466] | 223 | const Vector3 &termination,
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| 224 | ViewCellContainer &viewcells
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| 225 | ) = 0;
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| 226 |
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[477] | 227 | virtual void GetPvsStatistics(PvsStatistics &stat);
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[466] | 228 |
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[904] | 229 | virtual void GetPrVS(const Vector3 &viewPoint, PrVs &prvs, const float filterWidth);
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[677] | 230 |
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[697] | 231 | /** Get a viewcell containing the specified point
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[879] | 232 | @param active if the active or elementary view cell should be returned.
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[697] | 233 | */
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[879] | 234 | virtual ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const = 0;
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[492] | 235 |
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[503] | 236 | virtual void PrintPvsStatistics(ostream &s);
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[467] | 237 |
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[719] | 238 | /** Updates pvs of the view cell hierarchy if necessary.
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| 239 | */
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| 240 | void UpdatePvs();
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| 241 |
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[477] | 242 | /** Returns probability that view point lies in one view cell.
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| 243 | */
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| 244 | virtual float GetProbability(ViewCell *viewCell) = 0;
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[468] | 245 |
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[477] | 246 | /** Returns render cost of a single view cell given the render cost of an object.
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| 247 | */
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[728] | 248 | float GetRendercost(ViewCell *viewCell) const;
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[468] | 249 |
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[720] | 250 | /** Returns reference to container of loaded / generated view cells.
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[477] | 251 | */
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| 252 | ViewCellContainer &GetViewCells();
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[468] | 253 |
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[485] | 254 | /** Helper function used to split ray sets uniformly
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| 255 | into one that is currently used and the other that
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| 256 | is saved for later processing.
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| 257 | @param sourceRays the input ray set
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| 258 | @param maxSize the maximal number of rays that will be used
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| 259 | @param usedRays returns the used ray set
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| 260 | @param savedRays if not null, returns the saved ray set
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[477] | 261 | */
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| 262 | void GetRaySets(const VssRayContainer &sourceRays,
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[485] | 263 | const int maxSize,
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| 264 | VssRayContainer &usedRays,
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| 265 | VssRayContainer *savedRays = NULL) const;
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| 266 |
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[480] | 267 | /** Returns accumulated area of all view cells.
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| 268 | */
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| 269 | float GetAccVcArea();
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[470] | 270 |
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[480] | 271 | /** Returns area of one view cell.
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| 272 | */
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| 273 | virtual float GetArea(ViewCell *viewCell) const;
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[470] | 274 |
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[551] | 275 | /** Returns volume of view cell.
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[480] | 276 | */
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| 277 | virtual float GetVolume(ViewCell *viewCell) const;
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[470] | 278 |
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[480] | 279 | /** Sets the current renderer mainly for view cells statistics.
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| 280 | */
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| 281 | void SetRenderer(Renderer *renderer);
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| 282 |
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[487] | 283 | /** Computes a (random) view point in the valid view space.
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| 284 | @returns true if valid view point was found
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| 285 | */
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| 286 | virtual bool GetViewPoint(Vector3 &viewPoint) const;
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| 287 |
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[490] | 288 | /** Returns true if this view point is in the valid view space.
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| 289 | */
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| 290 | virtual bool ViewPointValid(const Vector3 &viewPoint) const;
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| 291 |
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[487] | 292 | /** Sets a view space boundary.
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| 293 | */
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| 294 | void SetViewSpaceBox(const AxisAlignedBox3 &box);
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| 295 |
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[519] | 296 | AxisAlignedBox3 GetViewSpaceBox() const;
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| 297 |
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[503] | 298 | /** Creates mesh for this view cell.
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| 299 | */
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| 300 | virtual void CreateMesh(ViewCell *vc) = NULL;
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[487] | 301 |
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[508] | 302 | /** Writes view cells to disc.
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| 303 | */
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[1027] | 304 | virtual bool ExportViewCells(const string filename,
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| 305 | const bool exportPvs,
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| 306 | const ObjectContainer &objects);
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[508] | 307 |
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[532] | 308 | /** Casts beam to collect view cells.
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| 309 | */
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| 310 | virtual int CastBeam(Beam &beam);
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| 311 |
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[547] | 312 | /** Checks if view cell is considered as valid.
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| 313 | */
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[561] | 314 | virtual bool CheckValidity(ViewCell *vc,
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[562] | 315 | int minPvsSize,
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| 316 | int maxPvsSize) const;
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[547] | 317 |
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[562] | 318 |
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| 319 | /** Sets validity of view cell
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| 320 | */
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| 321 | virtual void SetValidity(ViewCell *vc,
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| 322 | int minPvsSize,
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| 323 | int maxPvsSize) const;
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| 324 |
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[710] | 325 | /** sets validy of all viewcells
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| 326 | */
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[810] | 327 | virtual void SetValidity(int minPvsSize,
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[569] | 328 | int maxPvsSize) const;
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| 329 |
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[609] | 330 |
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| 331 | /** set valid viewcells in the range of pvs. sorts the viewcells
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[710] | 332 | according to the pvs and then pickups those in the ranges
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| 333 | */
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| 334 | void SetValidityPercentage(const float minValid, const float maxValid);
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[569] | 335 |
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[609] | 336 | int CountValidViewcells() const;
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| 337 |
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[547] | 338 | /** Returns maximal allowed pvs size.
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| 339 | */
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| 340 | int GetMaxPvsSize() const;
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| 341 |
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[562] | 342 | /** Returns maximal allowed pvs size.
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| 343 | */
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| 344 | int GetMinPvsSize() const;
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| 345 |
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[561] | 346 | /** Returns maximal ratio. i.e., currentPVs / maxPvs,
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| 347 | where pvs is still considered valid.
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| 348 | */
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| 349 | float GetMaxPvsRatio() const;
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| 350 |
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[547] | 351 | /** Exports view cell geometry.
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| 352 | */
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[591] | 353 | virtual void ExportViewCellGeometry(Exporter *exporter,
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| 354 | ViewCell *vc,
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[1047] | 355 | const AxisAlignedPlane *clipPlane = NULL) const = 0;
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[547] | 356 |
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[860] | 357 | /** Brings the view cells into their final state, computes meshes and volume.
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| 358 | */
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[551] | 359 | virtual void FinalizeViewCells(const bool createMesh);
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| 360 |
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[579] | 361 | /** Evaluates statistics values on view cells.
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| 362 | */
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[580] | 363 | void EvaluateRenderStatistics(float &totalRenderCost,
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| 364 | float &expectedRenderCost,
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| 365 | float &deviation,
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| 366 | float &variance,
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| 367 | int &totalPvs,
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| 368 | float &avgRenderCost);
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[579] | 369 |
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[580] | 370 |
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| 371 | /** Returns hierarchy of the view cells.
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| 372 | */
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| 373 | ViewCellsTree *GetViewCellsTree();
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| 374 |
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[581] | 375 | virtual void CollectMergeCandidates(const VssRayContainer &rays,
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[1022] | 376 | vector<MergeCandidate> &candidates);
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[580] | 377 |
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[610] | 378 | void CollectViewCells(const int n);
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| 379 |
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[660] | 380 | /** Sets current view cells set to active, i.e., the sampling is done in this view cell set.
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| 381 | */
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| 382 | void SetViewCellsActive();
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[599] | 383 |
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[1145] | 384 | /** Evaluates render cost statistics of current view cell hierarchy.
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[660] | 385 | */
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[1178] | 386 | virtual void EvalViewCellPartition();
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[660] | 387 |
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[728] | 388 | /** Sets maximal size of a view cell filter.
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| 389 | */
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| 390 | void SetMaxFilterSize(const int size);
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[697] | 391 |
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[840] | 392 | /** Returns maximal filter size.
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| 393 | */
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| 394 | int GetMaxFilterSize() const;
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[746] | 395 |
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[840] | 396 | /** Deletes interior nodes from the tree which have negative merge cost set (local merge).
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| 397 | */
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| 398 | void DeleteLocalMergeTree(ViewCell *vc) const;
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[713] | 399 |
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[728] | 400 | /** Evaluautes histogram for a given number of view cells.
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| 401 | */
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| 402 | void EvalViewCellHistogram(const string filename, const int nViewCells);
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| 403 |
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[735] | 404 | /** Evaluautes histogram for a given number of view cells.
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| 405 | */
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| 406 | void EvalViewCellHistogramForPvsSize(const string filename, const int nViewCells);
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| 407 |
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[728] | 408 | /** Evaluates the render cost of a view cell.
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| 409 | */
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| 410 | float EvalRenderCost(Intersectable *obj) const;
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[1002] | 411 |
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| 412 | /** Sets pvs size of view cell as a scalar. Used when storing pvs only in the leaves
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| 413 | of the hierarchy.
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| 414 | */
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[1160] | 415 | void UpdateScalarPvsSize(ViewCell *vc, const int pvsSize, const int entriesInPvs) const;
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[728] | 416 |
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[870] | 417 | /** Returns bounding box of a view cell.
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| 418 | */
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| 419 | AxisAlignedBox3 GetViewCellBox(ViewCell *vc);
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[859] | 420 |
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[840] | 421 | /** Exports bounding boxes of objects to file.
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| 422 | */
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| 423 | bool ExportBoundingBoxes(const string filename, const ObjectContainer &objects) const;
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[931] | 424 |
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[850] | 425 | /** Load the bounding boxes into the container.
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| 426 | */
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| 427 | bool LoadBoundingBoxes(const string filename, IndexedBoundingBoxContainer &boxes) const;
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[840] | 428 |
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[1002] | 429 | /** Returns true if pvs should be exported together with the view cells.
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| 430 | */
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| 431 | bool GetExportPvs() const;
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[870] | 432 |
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| 433 | /** Loads view cells from file. The view cells manager is created with
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| 434 | respect to the loaded view cells.
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| 435 |
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[1002] | 436 | @param filename the filename of the view cells
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| 437 | @param objects the scene objects
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| 438 | @param finalizeViewCells if the view cells should be post processed, i.e.
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| 439 | a mesh is created representing the geometry
|
---|
| 440 | @param bconverter a conversion routine working with the similarities of bounding
|
---|
| 441 | boxes: if there is a certain similarity of overlap between bounding boxes, two tested
|
---|
| 442 | candidate objects are considered to be the same objects
|
---|
[870] | 443 | @returns the view cells manager if loading was successful, false otherwise
|
---|
| 444 | */
|
---|
[938] | 445 | static ViewCellsManager *LoadViewCells(const string &filename,
|
---|
[931] | 446 | ObjectContainer *objects,
|
---|
[944] | 447 | const bool finalizeViewCells,
|
---|
[931] | 448 | BoundingBoxConverter *bconverter = NULL);
|
---|
[870] | 449 |
|
---|
[904] | 450 |
|
---|
[931] | 451 | ////////////////////////////////////////////////////////7
|
---|
| 452 | // visiblity filter options
|
---|
| 453 | // TODO: write own visibiltiy filter class
|
---|
| 454 | void ApplyFilter(KdTree *kdTree,
|
---|
| 455 | const float viewSpaceFilterSize,
|
---|
| 456 | const float spatialFilterSize);
|
---|
[904] | 457 |
|
---|
[931] | 458 | void ApplySpatialFilter(KdTree *kdTree,
|
---|
| 459 | const float spatialFilterSize,
|
---|
| 460 | ObjectPvs &pvs);
|
---|
[480] | 461 |
|
---|
[931] | 462 | void ApplyFilter(ViewCell *viewCell,
|
---|
| 463 | KdTree *kdTree,
|
---|
| 464 | const float viewSpaceFilterSize,
|
---|
| 465 | const float spatialFilterSize,
|
---|
| 466 | ObjectPvs &pvs);
|
---|
| 467 |
|
---|
| 468 | float GetFilterWidth();
|
---|
| 469 |
|
---|
| 470 | float GetAbsFilterWidth();
|
---|
| 471 |
|
---|
| 472 |
|
---|
[697] | 473 | /** Returns the bounding box of filter width.
|
---|
| 474 | */
|
---|
| 475 | AxisAlignedBox3 GetFilterBBox(const Vector3 &viewPoint, const float width) const;
|
---|
[609] | 476 |
|
---|
[979] | 477 |
|
---|
[1155] | 478 | /** Returns true if the view cell is equivalent to a
|
---|
| 479 | node of the spatial hierarchy. This function can be used for merged
|
---|
| 480 | view cell.
|
---|
| 481 | e.g. to see if the spatial tree can be reduced on this location
|
---|
[1021] | 482 | */
|
---|
| 483 | virtual bool EqualToSpatialNode(ViewCell *viewCell) const;
|
---|
| 484 |
|
---|
[1155] | 485 | /** If true, the kd nodes are stored instead of the object pvs.
|
---|
| 486 | */
|
---|
| 487 | void SetStoreKdPvs(const bool storeKdPvs);
|
---|
| 488 |
|
---|
| 489 | /** Returns true if the kd nodes are stored instead of the object pvs.
|
---|
| 490 | **/
|
---|
| 491 | bool GetStoreKdPVs() const;
|
---|
| 492 |
|
---|
[1259] | 493 | virtual bool AddSampleToPvs(
|
---|
| 494 | Intersectable *obj,
|
---|
| 495 | const Vector3 &hitPoint,
|
---|
| 496 | ViewCell *vc,
|
---|
| 497 | const float pdf,
|
---|
| 498 | float &contribution) const;
|
---|
| 499 |
|
---|
[931] | 500 | protected:
|
---|
[1145] | 501 |
|
---|
[931] | 502 | /** Exports bounding boxes as xml stream
|
---|
| 503 | */
|
---|
[955] | 504 | //bool ExportBoundingBoxes(ofstream &xmlstream, const ObjectContainer &objects) const;
|
---|
[931] | 505 |
|
---|
[697] | 506 | /** Intersects box with the tree and returns the number of intersected boxes.
|
---|
| 507 | @returns number of view cells found
|
---|
| 508 | */
|
---|
[710] | 509 | virtual int ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 510 | ViewCellContainer &viewCells) const;
|
---|
[697] | 511 |
|
---|
[880] | 512 | /** Tests the visibility filter functionality.
|
---|
| 513 | */
|
---|
[697] | 514 | virtual void TestFilter(const ObjectContainer &objects) {};
|
---|
| 515 |
|
---|
[931] | 516 | /** If the view cells tree was already constructed or not.
|
---|
[581] | 517 | */
|
---|
| 518 | bool ViewCellsTreeConstructed() const;
|
---|
| 519 |
|
---|
[574] | 520 | int CastPassSamples(const int samplesPerPass,
|
---|
| 521 | const int sampleType,
|
---|
| 522 | VssRayContainer &vssRays) const;
|
---|
[573] | 523 |
|
---|
[931] | 524 | /** Parse the options from the environment file.
|
---|
| 525 | */
|
---|
[482] | 526 | void ParseEnvironment();
|
---|
| 527 |
|
---|
[508] | 528 | /** Creates unique view cell ids.
|
---|
| 529 | */
|
---|
| 530 | void CreateUniqueViewCellIds();
|
---|
[547] | 531 |
|
---|
[551] | 532 | /** Finalizes, i.e., creates mesh, volume, area etc. for the view cell.
|
---|
| 533 | */
|
---|
| 534 | virtual void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
| 535 |
|
---|
[480] | 536 | /** Recollects view cells and resets statistics.
|
---|
| 537 | */
|
---|
| 538 | void ResetViewCells();
|
---|
[482] | 539 |
|
---|
[480] | 540 | /** Collects the view cells in the view cell container.
|
---|
| 541 | */
|
---|
| 542 | virtual void CollectViewCells() = 0;
|
---|
[482] | 543 |
|
---|
[479] | 544 | /** Evaluates view cells statistics and stores it in
|
---|
| 545 | mViewCellsStatistics.
|
---|
| 546 | */
|
---|
| 547 | void EvaluateViewCellsStats();
|
---|
[482] | 548 |
|
---|
| 549 | //-- helper functions for view cell visualization
|
---|
| 550 |
|
---|
| 551 | /** Exports the view cell partition.
|
---|
| 552 | */
|
---|
[508] | 553 | void ExportViewCellsForViz(Exporter *exporter) const;
|
---|
[482] | 554 |
|
---|
| 555 | /** Sets exporter color.
|
---|
| 556 | */
|
---|
[1021] | 557 | virtual void ExportColor(Exporter *exporter, ViewCell *vc) const;
|
---|
[482] | 558 |
|
---|
[1002] | 559 | /** Returns volume of the view space.
|
---|
| 560 | */
|
---|
[557] | 561 | virtual float GetViewSpaceVolume();
|
---|
| 562 |
|
---|
[503] | 563 | /** Creates meshes from the view cells.
|
---|
| 564 | */
|
---|
[517] | 565 | void CreateViewCellMeshes();
|
---|
[503] | 566 |
|
---|
[610] | 567 | /** Takes different measures to prepares the view cells after loading them from disc.
|
---|
[577] | 568 | */
|
---|
| 569 | virtual void PrepareLoadedViewCells() {};
|
---|
| 570 |
|
---|
[704] | 571 | /** Constructs local view cell merge hierarchy.
|
---|
| 572 | */
|
---|
| 573 | ViewCell *ConstructLocalMergeTree(ViewCell *currentViewCell,
|
---|
| 574 | const ViewCellContainer &viewCells);
|
---|
| 575 |
|
---|
[713] | 576 | /** Constructs local view cell merge hierarchy based solely on similarity with the
|
---|
| 577 | current viewcell
|
---|
| 578 | */
|
---|
| 579 | ViewCell *ConstructLocalMergeTree2(ViewCell *currentViewCell,
|
---|
| 580 | const ViewCellContainer &viewCells);
|
---|
| 581 |
|
---|
[660] | 582 | /** Creates clip plane for visualization.
|
---|
| 583 | */
|
---|
| 584 | void CreateClipPlane();
|
---|
[591] | 585 |
|
---|
[860] | 586 | /** Updates pvs of all view cells for statistical evaluation after some more sampling
|
---|
| 587 | */
|
---|
[1168] | 588 | void UpdatePvsForEvaluation(ViewCell *root, ObjectPvs &pvs);
|
---|
[752] | 589 |
|
---|
[1002] | 590 |
|
---|
[979] | 591 | ////////////////////////////////////////////////
|
---|
[752] | 592 |
|
---|
[1145] | 593 | Preprocessor *mPreprocessor;
|
---|
| 594 | /// if bounding boxes should be exported together with the view cells
|
---|
[840] | 595 | bool mExportBboxesForPvs;
|
---|
| 596 |
|
---|
[1004] | 597 | //Environment *environment;
|
---|
[1047] | 598 | AxisAlignedPlane mClipPlane;
|
---|
[837] | 599 |
|
---|
[660] | 600 | bool mUseClipPlaneForViz;
|
---|
[591] | 601 |
|
---|
| 602 |
|
---|
[480] | 603 | /// Renders the view cells.
|
---|
| 604 | Renderer *mRenderer;
|
---|
[440] | 605 |
|
---|
| 606 | /// Loaded view cells
|
---|
[469] | 607 | ViewCellContainer mViewCells;
|
---|
[1002] | 608 | /// the corresponding view cell tree holding the logical description of view cells
|
---|
[580] | 609 | ViewCellsTree *mViewCellsTree;
|
---|
[1002] | 610 | /// if empty view cells should be pruned (i.e., invalidated) from this point on
|
---|
[710] | 611 | bool mPruneEmptyViewCells;
|
---|
[706] | 612 |
|
---|
[1155] | 613 | /// if the values in the view cell leaves and the interiors are up to date
|
---|
| 614 | /// this is meant for lazy storing of the pvs, where only a scalar indicating
|
---|
| 615 | /// pvs size is stored in interiors and not the pvs itself.
|
---|
[719] | 616 | bool mViewCellPvsIsUpdated;
|
---|
[1002] | 617 |
|
---|
[440] | 618 | /// maximum number of samples taken for construction of the view cells
|
---|
| 619 | int mConstructionSamples;
|
---|
[574] | 620 | int mSamplesPerPass;
|
---|
| 621 | int mInitialSamples;
|
---|
[440] | 622 | int mPostProcessSamples;
|
---|
| 623 | int mVisualizationSamples;
|
---|
[441] | 624 |
|
---|
[470] | 625 | float mTotalAreaValid;
|
---|
| 626 | float mTotalArea;
|
---|
[475] | 627 |
|
---|
[547] | 628 | int mMaxPvsSize;
|
---|
[562] | 629 | int mMinPvsSize;
|
---|
[547] | 630 | float mMaxPvsRatio;
|
---|
| 631 |
|
---|
[660] | 632 | int mSamplingType;
|
---|
[722] | 633 | int mEvaluationSamplingType;
|
---|
[600] | 634 | int mNumActiveViewCells;
|
---|
[586] | 635 | bool mCompressViewCells;
|
---|
| 636 |
|
---|
[1002] | 637 | /// holds the current view cell statistics
|
---|
[660] | 638 | ViewCellsStatistics mCurrentViewCellsStats;
|
---|
[487] | 639 | /// the scene bounding box
|
---|
[542] | 640 | AxisAlignedBox3 mViewSpaceBox;
|
---|
[1001] | 641 |
|
---|
[508] | 642 | /// if view cells should be exported
|
---|
| 643 | bool mExportViewCells;
|
---|
[547] | 644 |
|
---|
[1002] | 645 | // if only valid view cells should be considered for processing
|
---|
[564] | 646 | bool mOnlyValidViewCells;
|
---|
[547] | 647 |
|
---|
[580] | 648 | /// if rays should be used to collect merge candidates
|
---|
| 649 | bool mUseRaysForMerge;
|
---|
[1021] | 650 |
|
---|
[1002] | 651 | /// if there should be an additional merge step after the subdivision
|
---|
[592] | 652 | bool mMergeViewCells;
|
---|
[697] | 653 |
|
---|
| 654 | /// the width of the box filter
|
---|
| 655 | float mFilterWidth;
|
---|
| 656 | int mMaxFilterSize;
|
---|
| 657 |
|
---|
[487] | 658 | //-- visualization options
|
---|
| 659 |
|
---|
[1002] | 660 | /// color code for view cells visualization
|
---|
[487] | 661 | int mColorCode;
|
---|
| 662 | bool mExportGeometry;
|
---|
| 663 | bool mExportRays;
|
---|
[517] | 664 |
|
---|
| 665 | bool mViewCellsFinished;
|
---|
[664] | 666 |
|
---|
| 667 | bool mEvaluateViewCells;
|
---|
[666] | 668 |
|
---|
[693] | 669 | bool mShowVisualization;
|
---|
| 670 |
|
---|
| 671 | // HACK in order to detect empty view cells
|
---|
| 672 | void CollectEmptyViewCells();
|
---|
[694] | 673 | void TestEmptyViewCells(const ObjectContainer &obj);
|
---|
[693] | 674 |
|
---|
| 675 | ViewCellContainer mEmptyViewCells;
|
---|
[728] | 676 |
|
---|
| 677 | int mRenderCostEvaluationType;
|
---|
[844] | 678 |
|
---|
| 679 | /// if pvs should be exported with view cells
|
---|
| 680 | bool mExportPvs;
|
---|
[1155] | 681 |
|
---|
[1259] | 682 | bool mStoreObjectPvs;
|
---|
[1178] | 683 |
|
---|
| 684 | VssRayContainer storedRays;
|
---|
[440] | 685 | };
|
---|
| 686 |
|
---|
[441] | 687 |
|
---|
[440] | 688 | /**
|
---|
| 689 | Manages different higher order operations on the view cells.
|
---|
| 690 | */
|
---|
| 691 | class BspViewCellsManager: public ViewCellsManager
|
---|
| 692 | {
|
---|
| 693 |
|
---|
| 694 | public:
|
---|
[485] | 695 | /** Constructor taking the bsp tree and the number of samples
|
---|
| 696 | used to construct the bsp tree.
|
---|
| 697 | */
|
---|
[1004] | 698 | BspViewCellsManager(BspTree *tree);
|
---|
[440] | 699 |
|
---|
[477] | 700 | ~BspViewCellsManager();
|
---|
| 701 |
|
---|
[574] | 702 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 703 | const VssRayContainer &rays);
|
---|
[440] | 704 |
|
---|
| 705 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 706 | const VssRayContainer &rays);
|
---|
[440] | 707 |
|
---|
| 708 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 709 | const VssRayContainer &sampleRays);
|
---|
[440] | 710 |
|
---|
| 711 | int GetType() const;
|
---|
| 712 |
|
---|
| 713 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 714 |
|
---|
| 715 | bool ViewCellsConstructed() const;
|
---|
| 716 |
|
---|
[475] | 717 | //void PrintStatistics(ostream &s) const;
|
---|
[452] | 718 |
|
---|
[468] | 719 | int CastLineSegment(const Vector3 &origin,
|
---|
| 720 | const Vector3 &termination,
|
---|
| 721 | ViewCellContainer &viewcells);
|
---|
| 722 |
|
---|
[471] | 723 | float GetProbability(ViewCell *viewCell);
|
---|
[605] | 724 |
|
---|
[466] | 725 |
|
---|
[879] | 726 | /** Get a viewcell containing the specified point
|
---|
| 727 | */
|
---|
| 728 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const;
|
---|
[492] | 729 |
|
---|
[503] | 730 | void CreateMesh(ViewCell *vc);
|
---|
| 731 |
|
---|
[591] | 732 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
| 733 | ViewCell *vc,
|
---|
[1047] | 734 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[580] | 735 |
|
---|
[587] | 736 | void CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 737 | vector<MergeCandidate> &candidates);
|
---|
[547] | 738 |
|
---|
[587] | 739 | void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
| 740 |
|
---|
[931] | 741 | bool ExportViewCells(const string filename, const bool exportPvs, const ObjectContainer &objects);
|
---|
[590] | 742 |
|
---|
[752] | 743 | /** Constructs merge hierarchy which corresponds to the spatial hierarchy.
|
---|
| 744 | */
|
---|
[650] | 745 | ViewCell *ConstructSpatialMergeTree(BspNode *root);
|
---|
[610] | 746 |
|
---|
[1168] | 747 |
|
---|
[440] | 748 | protected:
|
---|
| 749 |
|
---|
[480] | 750 | void CollectViewCells();
|
---|
| 751 |
|
---|
[547] | 752 |
|
---|
[440] | 753 | /// the BSP tree.
|
---|
| 754 | BspTree *mBspTree;
|
---|
[475] | 755 |
|
---|
| 756 | vector<BspRay *> mBspRays;
|
---|
[440] | 757 |
|
---|
| 758 | private:
|
---|
| 759 |
|
---|
| 760 | /** Exports visualization of the BSP splits.
|
---|
| 761 | */
|
---|
[477] | 762 | void ExportSplits(const ObjectContainer &objects);
|
---|
[440] | 763 |
|
---|
| 764 | /** Exports visualization of the BSP PVS.
|
---|
| 765 | */
|
---|
[477] | 766 | void ExportBspPvs(const ObjectContainer &objects);
|
---|
[440] | 767 |
|
---|
[1002] | 768 | /** test if subdivision is valid in terms of volume / area.
|
---|
| 769 | */
|
---|
[693] | 770 | void TestSubdivision();
|
---|
[440] | 771 | };
|
---|
| 772 |
|
---|
| 773 | /**
|
---|
| 774 | Manages different higher order operations on the KD type view cells.
|
---|
| 775 | */
|
---|
| 776 | class KdViewCellsManager: public ViewCellsManager
|
---|
| 777 | {
|
---|
| 778 |
|
---|
| 779 | public:
|
---|
| 780 |
|
---|
[1004] | 781 | KdViewCellsManager(KdTree *tree);
|
---|
[440] | 782 |
|
---|
[574] | 783 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 784 | const VssRayContainer &rays);
|
---|
[440] | 785 |
|
---|
[478] | 786 | int CastLineSegment(const Vector3 &origin,
|
---|
| 787 | const Vector3 &termination,
|
---|
| 788 | ViewCellContainer &viewcells);
|
---|
[440] | 789 |
|
---|
| 790 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 791 | const VssRayContainer &rays);
|
---|
[440] | 792 |
|
---|
| 793 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 794 | const VssRayContainer &sampleRays);
|
---|
[440] | 795 |
|
---|
| 796 | int GetType() const;
|
---|
| 797 |
|
---|
| 798 | bool ViewCellsConstructed() const;
|
---|
| 799 |
|
---|
[580] | 800 | ViewCell *GenerateViewCell(Mesh *mesh) const;
|
---|
[440] | 801 |
|
---|
[452] | 802 | /** Prints out statistics of this approach.
|
---|
| 803 | */
|
---|
[503] | 804 | // virtual void PrintStatistics(ostream &s) const;
|
---|
[879] | 805 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const { return NULL; }
|
---|
[452] | 806 |
|
---|
[503] | 807 | float GetProbability(ViewCell *viewCell);
|
---|
[609] | 808 |
|
---|
[468] | 809 |
|
---|
[503] | 810 | void CreateMesh(ViewCell *vc);
|
---|
| 811 |
|
---|
[591] | 812 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
| 813 | ViewCell *vc,
|
---|
[1047] | 814 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[547] | 815 |
|
---|
[591] | 816 | void CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 817 | vector<MergeCandidate> &candidates);
|
---|
[580] | 818 |
|
---|
[752] | 819 |
|
---|
[440] | 820 | protected:
|
---|
| 821 |
|
---|
[580] | 822 | /** Collects view cells from a hierarchy.
|
---|
| 823 | */
|
---|
[480] | 824 | void CollectViewCells();
|
---|
[580] | 825 |
|
---|
[480] | 826 | KdNode *GetNodeForPvs(KdLeaf *leaf);
|
---|
[440] | 827 |
|
---|
| 828 |
|
---|
[480] | 829 | /// the BSP tree.
|
---|
| 830 | KdTree *mKdTree;
|
---|
[440] | 831 |
|
---|
[480] | 832 | /// depth of the KD tree nodes with represent the view cells
|
---|
| 833 | int mKdPvsDepth;
|
---|
[938] | 834 |
|
---|
| 835 |
|
---|
[440] | 836 | };
|
---|
| 837 |
|
---|
| 838 | /**
|
---|
[442] | 839 | Manages different higher order operations on the view cells.
|
---|
| 840 | */
|
---|
| 841 | class VspBspViewCellsManager: public ViewCellsManager
|
---|
| 842 | {
|
---|
| 843 |
|
---|
| 844 | public:
|
---|
| 845 |
|
---|
[1004] | 846 | VspBspViewCellsManager(VspBspTree *tree);
|
---|
[475] | 847 | ~VspBspViewCellsManager();
|
---|
[442] | 848 |
|
---|
[574] | 849 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 850 | const VssRayContainer &rays);
|
---|
[442] | 851 |
|
---|
| 852 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 853 | const VssRayContainer &rays);
|
---|
[442] | 854 |
|
---|
| 855 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 856 | const VssRayContainer &sampleRays);
|
---|
[442] | 857 |
|
---|
| 858 | int GetType() const;
|
---|
| 859 |
|
---|
| 860 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 861 |
|
---|
| 862 | bool ViewCellsConstructed() const;
|
---|
| 863 |
|
---|
[468] | 864 |
|
---|
| 865 | int CastLineSegment(const Vector3 &origin,
|
---|
| 866 | const Vector3 &termination,
|
---|
| 867 | ViewCellContainer &viewcells);
|
---|
[452] | 868 |
|
---|
[471] | 869 | float GetProbability(ViewCell *viewCell);
|
---|
[479] | 870 |
|
---|
[879] | 871 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const;
|
---|
[477] | 872 |
|
---|
[487] | 873 | bool GetViewPoint(Vector3 &viewPoint) const;
|
---|
| 874 |
|
---|
[490] | 875 | bool ViewPointValid(const Vector3 &viewPoint) const;
|
---|
[503] | 876 |
|
---|
| 877 | void CreateMesh(ViewCell *vc);
|
---|
| 878 |
|
---|
[931] | 879 | bool ExportViewCells(const string filename, const bool exportPvs, const ObjectContainer &objects);
|
---|
[508] | 880 |
|
---|
[532] | 881 | int CastBeam(Beam &beam);
|
---|
| 882 |
|
---|
[591] | 883 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
| 884 | ViewCell *vc,
|
---|
[1047] | 885 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[547] | 886 |
|
---|
[551] | 887 | //float GetVolume(ViewCell *viewCell) const;
|
---|
| 888 |
|
---|
[555] | 889 | void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
[551] | 890 |
|
---|
[580] | 891 | void CollectMergeCandidates(const VssRayContainer &rays, vector<MergeCandidate> &candidates);
|
---|
| 892 |
|
---|
[697] | 893 | /** Returns true if this view cell is equivavalent to a spatial node.
|
---|
| 894 | */
|
---|
[609] | 895 | bool EqualToSpatialNode(ViewCell *viewCell) const;
|
---|
[607] | 896 |
|
---|
[697] | 897 |
|
---|
[442] | 898 | protected:
|
---|
[475] | 899 |
|
---|
[697] | 900 | int ComputeBoxIntersections(const AxisAlignedBox3 &box, ViewCellContainer &viewCells) const;
|
---|
[651] | 901 |
|
---|
[610] | 902 | /** Returns node of the spatial hierarchy corresponding to the view cell
|
---|
| 903 | if such a node exists.
|
---|
| 904 | */
|
---|
[609] | 905 | BspNode *GetSpatialNode(ViewCell *viewCell) const;
|
---|
[610] | 906 |
|
---|
[1021] | 907 | /** Merges view cells according to some criteria
|
---|
[442] | 908 | */
|
---|
[508] | 909 | void MergeViewCells(const VssRayContainer &rays,
|
---|
| 910 | const ObjectContainer &objects);
|
---|
[503] | 911 |
|
---|
[564] | 912 | void RefineViewCells(const VssRayContainer &rays, const ObjectContainer &objects);
|
---|
[442] | 913 |
|
---|
[480] | 914 | void CollectViewCells();
|
---|
| 915 |
|
---|
[482] | 916 | /** Returns maximal depth difference of view cell
|
---|
| 917 | leaves in tree.
|
---|
| 918 | */
|
---|
| 919 | int GetMaxTreeDiff(ViewCell *vc) const;
|
---|
[485] | 920 |
|
---|
[482] | 921 |
|
---|
[752] | 922 | /** Prepare view cells for use after loading them from disc.
|
---|
| 923 | */
|
---|
[577] | 924 | void PrepareLoadedViewCells();
|
---|
| 925 |
|
---|
[752] | 926 | /** Constructs merge hierarchy which corresponds to the spatial hierarchy.
|
---|
| 927 | */
|
---|
[650] | 928 | ViewCell *ConstructSpatialMergeTree(BspNode *root);
|
---|
[649] | 929 |
|
---|
[979] | 930 | /// HACK for testing visibility filter functionality
|
---|
[697] | 931 | void TestFilter(const ObjectContainer &objects);
|
---|
| 932 |
|
---|
[979] | 933 | /** Visualization of the pvs difference to exact visubility using
|
---|
| 934 | from point queries.
|
---|
| 935 | */
|
---|
| 936 | void VisualizeWithFromPointQueries();
|
---|
[697] | 937 |
|
---|
[991] | 938 | /** Evaluate from point queries for the current scene.
|
---|
| 939 | */
|
---|
| 940 | void EvalFromPointQueries();
|
---|
[979] | 941 |
|
---|
[1021] | 942 | /** Exports visualization of the BSP splits.
|
---|
| 943 | */
|
---|
| 944 | void ExportSplits(const ObjectContainer &objects,
|
---|
| 945 | const VssRayContainer &rays);
|
---|
[991] | 946 |
|
---|
[1021] | 947 | /** Exports visualization of the BSP PVS.
|
---|
| 948 | */
|
---|
| 949 | void ExportBspPvs(const ObjectContainer &objects,
|
---|
| 950 | const VssRayContainer &rays);
|
---|
| 951 |
|
---|
| 952 |
|
---|
[442] | 953 | /// the view space partition BSP tree.
|
---|
| 954 | VspBspTree *mVspBspTree;
|
---|
| 955 |
|
---|
[591] | 956 |
|
---|
[442] | 957 | private:
|
---|
| 958 |
|
---|
[1021] | 959 | /** test if subdivision is valid in terms of volume / area.
|
---|
[442] | 960 | */
|
---|
[1021] | 961 | void TestSubdivision();
|
---|
| 962 | };
|
---|
[442] | 963 |
|
---|
[1184] | 964 | #define TEST_EVALUATION 1
|
---|
[1021] | 965 |
|
---|
| 966 | /**
|
---|
| 967 | Manages different higher order operations on the view cells.
|
---|
| 968 | */
|
---|
| 969 | class VspOspViewCellsManager: public ViewCellsManager
|
---|
| 970 | {
|
---|
| 971 |
|
---|
| 972 | public:
|
---|
| 973 |
|
---|
| 974 | VspOspViewCellsManager(VspTree *tree, OspTree *ospTree);
|
---|
| 975 | ~VspOspViewCellsManager();
|
---|
| 976 |
|
---|
| 977 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 978 | const VssRayContainer &rays);
|
---|
| 979 |
|
---|
| 980 | int PostProcess(const ObjectContainer &objects,
|
---|
| 981 | const VssRayContainer &rays);
|
---|
| 982 |
|
---|
| 983 | void Visualize(const ObjectContainer &objects,
|
---|
| 984 | const VssRayContainer &sampleRays);
|
---|
| 985 |
|
---|
| 986 | int GetType() const;
|
---|
| 987 |
|
---|
| 988 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 989 |
|
---|
| 990 | bool ViewCellsConstructed() const;
|
---|
| 991 |
|
---|
| 992 |
|
---|
| 993 | int CastLineSegment(const Vector3 &origin,
|
---|
| 994 | const Vector3 &termination,
|
---|
| 995 | ViewCellContainer &viewcells);
|
---|
| 996 |
|
---|
| 997 | float GetProbability(ViewCell *viewCell);
|
---|
| 998 |
|
---|
| 999 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const;
|
---|
| 1000 |
|
---|
| 1001 | bool GetViewPoint(Vector3 &viewPoint) const;
|
---|
| 1002 |
|
---|
| 1003 | bool ViewPointValid(const Vector3 &viewPoint) const;
|
---|
| 1004 |
|
---|
| 1005 | void CreateMesh(ViewCell *vc);
|
---|
| 1006 |
|
---|
[1027] | 1007 | bool ExportViewCells(const string filename,
|
---|
| 1008 | const bool exportPvs,
|
---|
| 1009 | const ObjectContainer &objects);
|
---|
[1021] | 1010 |
|
---|
| 1011 | int CastBeam(Beam &beam);
|
---|
| 1012 |
|
---|
| 1013 | void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
| 1014 |
|
---|
[1159] | 1015 | /** Stores sample contribution for kd cells or objects.
|
---|
| 1016 | */
|
---|
| 1017 | virtual float ComputeSampleContribution(VssRay &ray,
|
---|
| 1018 | const bool addRays,
|
---|
| 1019 | const bool storeViewCells);
|
---|
[1021] | 1020 |
|
---|
[1201] | 1021 | ViewCellsManager *LoadViewCells(const string &filename,
|
---|
| 1022 | ObjectContainer *objects,
|
---|
| 1023 | const bool finalizeViewCells,
|
---|
| 1024 | BoundingBoxConverter *bconverter);
|
---|
| 1025 |
|
---|
[1259] | 1026 | bool AddSampleToPvs(
|
---|
| 1027 | Intersectable *obj,
|
---|
| 1028 | const Vector3 &hitPoint,
|
---|
| 1029 | ViewCell *vc,
|
---|
| 1030 | const float pdf,
|
---|
| 1031 | float &contribution) const;
|
---|
[1201] | 1032 |
|
---|
[1021] | 1033 | protected:
|
---|
[1180] | 1034 |
|
---|
[1184] | 1035 | #if TEST_EVALUATION
|
---|
[1178] | 1036 | virtual void EvalViewCellPartition();
|
---|
[1179] | 1037 | #endif
|
---|
[1027] | 1038 | /** Exports view cell geometry.
|
---|
| 1039 | */
|
---|
| 1040 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
[1074] | 1041 | ViewCell *vc,
|
---|
| 1042 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[1027] | 1043 |
|
---|
[1074] | 1044 | int ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 1045 | ViewCellContainer &viewCells) const;
|
---|
[1021] | 1046 |
|
---|
| 1047 | void CollectViewCells();
|
---|
| 1048 |
|
---|
| 1049 |
|
---|
| 1050 | /** Prepare view cells for use after loading them from disc.
|
---|
| 1051 | */
|
---|
| 1052 | void PrepareLoadedViewCells();
|
---|
| 1053 |
|
---|
| 1054 | /** Constructs merge hierarchy which corresponds to the spatial hierarchy.
|
---|
| 1055 | */
|
---|
| 1056 | ViewCell *ConstructSpatialMergeTree(VspNode *root);
|
---|
| 1057 |
|
---|
[1074] | 1058 | /** Exports visualization of the PVS.
|
---|
[442] | 1059 | */
|
---|
[1184] | 1060 | void ExportPvs(
|
---|
| 1061 | const ObjectContainer &objects,
|
---|
[1074] | 1062 | const VssRayContainer &rays);
|
---|
[442] | 1063 |
|
---|
[1021] | 1064 |
|
---|
[1168] | 1065 | /////////////////////////////////////////
|
---|
[1259] | 1066 |
|
---|
| 1067 | /// the view space / object partition hierarchies
|
---|
[1021] | 1068 | VspTree *mVspTree;
|
---|
| 1069 | OspTree *mOspTree;
|
---|
[1259] | 1070 | BvHierarchy *mBvHierarchy;
|
---|
[1027] | 1071 |
|
---|
| 1072 | HierarchyManager *mHierarchyManager;
|
---|
[442] | 1073 | };
|
---|
| 1074 |
|
---|
[575] | 1075 |
|
---|
[1002] | 1076 | /*class ViewCellsManagerFactory
|
---|
[575] | 1077 | {
|
---|
| 1078 | public:
|
---|
| 1079 | ViewCellsManager *Create(const string mName);
|
---|
[1002] | 1080 | };*/
|
---|
[575] | 1081 |
|
---|
[860] | 1082 | }
|
---|
| 1083 |
|
---|
[440] | 1084 | #endif
|
---|