1 | /* |
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2 | |
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3 | Brian Curless |
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4 | |
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5 | Computer Graphics Laboratory |
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6 | Stanford University |
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7 | |
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8 | --------------------------------------------------------------------- |
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9 | |
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10 | Copyright (1997) The Board of Trustees of the Leland Stanford Junior |
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11 | University. Except for commercial resale, lease, license or other |
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12 | commercial transactions, permission is hereby given to use, copy, |
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13 | modify this software for academic purposes only. No part of this |
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14 | software or any derivatives thereof may be used in the production of |
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15 | computer models for resale or for use in a commercial |
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16 | product. STANFORD MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND |
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17 | CONCERNING THIS SOFTWARE. No support is implied or provided. |
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18 | |
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19 | */ |
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20 | |
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21 | |
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22 | #ifndef _DEPTH_MAP_ |
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23 | #define _DEPTH_MAP_ |
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24 | |
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25 | #include "vrip.h" |
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26 | |
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27 | struct DepthElement { |
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28 | float z; |
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29 | float conf; |
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30 | }; |
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31 | |
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32 | |
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33 | struct DepthTreeElement { |
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34 | float minZ; |
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35 | float maxZ; |
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36 | }; |
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37 | |
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38 | |
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39 | struct DepthMapNorm { |
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40 | signed char nx; |
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41 | signed char ny; |
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42 | signed char nz; |
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43 | }; |
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44 | |
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45 | |
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46 | class DepthMap { |
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47 | |
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48 | public: |
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49 | enum {TRIANGLE_ONE=0x1, TRIANGLE_TWO=0x2, |
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50 | TRIANGLE_THREE=0x4, TRIANGLE_FOUR=0x8}; |
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51 | |
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52 | int xdim; |
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53 | int ydim; |
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54 | float resolution; |
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55 | vec2f origin; |
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56 | DepthElement *elems; |
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57 | uchar *tags; |
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58 | DepthMapNorm *norms; |
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59 | signed char *edgeSteps; |
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60 | DepthTreeElement ***treeElems; |
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61 | DepthTreeElement ***holeTreeElems; |
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62 | int *leafIndices; |
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63 | int *runs; |
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64 | int treeDepth; |
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65 | int treeGranularity; |
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66 | |
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67 | int origTreeDepth; |
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68 | int origXdim; |
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69 | int origYdim; |
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70 | |
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71 | int linePersp; |
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72 | int perspective; |
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73 | |
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74 | DepthMap(); |
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75 | DepthMap(int,int,int); |
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76 | DepthMap(int,int,int,int); |
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77 | |
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78 | ~DepthMap(); |
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79 | |
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80 | void tagCellsForResampling(); |
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81 | int writePly(const char*, float noiseLevel); |
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82 | void updateNx(); |
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83 | void updateNy(); |
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84 | void updateNz(); |
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85 | void updateEdgeSteps(); |
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86 | void normalize(); |
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87 | int reuse(int xd, int yd); |
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88 | void initTree(int granularity); |
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89 | void fillTree(int numLines); |
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90 | void pullUpTree(int y, int level); |
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91 | int * getDepthRuns(float y, float zmin, float zmax, int *numRuns); |
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92 | void consolidateRuns(int *leafIndices, int numLeaves, int *numRuns); |
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93 | void traverseTree(int y, int level, int off, float zmin, float zmax, |
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94 | int *leafIndices, int *numLeaves); |
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95 | int *getDepthRunsUpperBound(float y, float zmax, int *numRuns); |
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96 | void traverseTreeUpperBound(int y, int level, int off, float zmax, |
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97 | int *leafIndices, int *numLeaves); |
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98 | int *getDepthRunsEdges(float y, float zmax, int *numRuns); |
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99 | void traverseTreeEdges(int y, int level, int off, float zmax, |
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100 | int *leafIndices, int *numLeaves); |
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101 | }; |
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102 | |
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103 | |
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104 | #endif |
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