source: GTP/trunk/Lib/Vis/Preprocessing/src/VssPreprocessor.h @ 1281

Revision 1281, 1.9 KB checked in by bittner, 18 years ago (diff)

mlrt 16 ray tracing support

Line 
1#ifndef _VssPreprocessor_H__
2#define _VssPreprocessor_H__
3
4#include <fstream>
5using namespace std;
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  ofstream mStats;
31       
32  ObjectContainer mObjects;
33
34  /// if initial samples should be loaded from file
35  bool mLoadInitialSamples;
36  /// if initial samples should be stored in file
37  bool mStoreInitialSamples;
38  /// if box around view space should be used
39  bool mUseViewSpaceBox;
40  // rays cast during the processing
41  VssRayContainer mVssRays;
42       
43  VssPreprocessor();
44  ~VssPreprocessor();
45
46  virtual bool ComputeVisibility();
47
48  Vector3
49  GetViewpoint(AxisAlignedBox3 *viewSpaceBox);
50
51  Vector3
52  GetDirection(const Vector3 &viewpoint,
53                           AxisAlignedBox3 *viewSpaceBox
54                           );
55       
56
57  bool
58  ExportRays(const char *filename,
59                         const VssRayContainer &vssRays,
60                         const int number
61                         );
62
63  int
64  GenerateImportanceRays(VssTree *vssTree,
65                                                 const int desiredSamples,
66                                                 SimpleRayContainer &rays
67                                                 );
68
69
70  bool
71  ExportVssTreeLeaf(char *filename,
72                                        VssTree *tree,
73                                        VssTreeLeaf *leaf);
74
75  void
76  ExportVssTreeLeaves(VssTree *tree, const int number);
77       
78
79  bool
80  ExportVssTree(char *filename,
81                                VssTree *tree,
82                                const Vector3 &dir
83                                );
84
85
86  float
87  GetAvgPvsSize(VssTree *tree,
88                                const vector<AxisAlignedBox3> &viewcells
89                                );
90 
91  void TestBeamCasting(VssTree *tre, ViewCellsManager *vm, const ObjectContainer &objects);
92
93  bool mTestBeamSampling;
94
95};
96
97}
98
99#endif
Note: See TracBrowser for help on using the repository browser.