source: GTP/trunk/Lib/Vis/Preprocessing/src/VssPreprocessor.h @ 2199

Revision 2199, 1.9 KB checked in by mattausch, 18 years ago (diff)

using mutationsamples for evaluation

Line 
1#ifndef _VssPreprocessor_H__
2#define _VssPreprocessor_H__
3
4#include <fstream>
5//
6
7#include "Preprocessor.h"
8#include "VssRay.h"
9
10namespace GtpVisibilityPreprocessor {
11
12class VssTree;
13class VssTreeLeaf;
14
15
16
17/** Sampling based visibility preprocessing. The implementation is based on heuristical
18    sampling of view space */
19class VssPreprocessor : public Preprocessor {
20public:
21 
22  int mSamplesPerPass;
23  int mVssSamplesPerPass;
24  int mInitialSamples;
25  int mVssSamples;
26  bool mUseImportanceSampling;
27  bool mEnlargeViewSpace;
28  //AxisAlignedBox3 mViewSpaceBox;
29
30       
31  ObjectContainer mObjects;
32
33  /// if initial samples should be loaded from file
34  bool mLoadInitialSamples;
35  /// if initial samples should be stored in file
36  bool mStoreInitialSamples;
37 
38  // rays cast during the processing
39  VssRayContainer mVssRays;
40       
41  VssPreprocessor();
42  ~VssPreprocessor();
43
44  virtual bool ComputeVisibility();
45
46  Vector3
47  GetViewpoint(AxisAlignedBox3 *viewSpaceBox);
48
49  Vector3
50  GetDirection(const Vector3 &viewpoint,
51                           AxisAlignedBox3 *viewSpaceBox
52                           );
53       
54virtual bool
55        ExportRays(const char *filename,
56                           const VssRayContainer &vssRays,
57                           const int number,
58                           const bool exportScene = false
59                           );
60 
61
62  int
63  GenerateImportanceRays(VssTree *vssTree,
64                                                 const int desiredSamples,
65                                                 SimpleRayContainer &rays
66                                                 );
67
68
69  bool
70  ExportVssTreeLeaf(char *filename,
71                                        VssTree *tree,
72                                        VssTreeLeaf *leaf);
73
74  void
75  ExportVssTreeLeaves(VssTree *tree, const int number);
76       
77
78  bool
79  ExportVssTree(char *filename,
80                                VssTree *tree,
81                                const Vector3 &dir
82                                );
83
84
85  float
86  GetAvgPvsSize(VssTree *tree,
87                                const vector<AxisAlignedBox3> &viewcells
88                                );
89 
90  void TestBeamCasting(VssTree *tre, ViewCellsManager *vm, const ObjectContainer &objects);
91
92  void DeterminePvsObjects(VssRayContainer &rays);
93
94  bool mTestBeamSampling;
95
96};
97
98}
99
100#endif
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