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 | #include <limits.h> |
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23 | #include <stdio.h> |
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24 | #include <unistd.h> |
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25 | #include <assert.h> |
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26 | |
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27 | #ifdef linux |
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28 | #include <endian.h> |
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29 | #endif |
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30 | |
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31 | |
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32 | #include "OccGridRLE.h" |
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33 | |
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34 | // Lucas: |
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35 | // Should we recompact (copy twice) the RLE pointers after doing |
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36 | // a transpose? It would have better memory coherence, but it also |
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37 | // costs a lot... In my tests, it was faster to avoid recompacting. |
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38 | #define OCCGRIDRLE_RECOMPACT 0 |
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39 | |
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40 | OccScanlineRLE::OccScanlineRLE() |
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41 | { |
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42 | this->lengths = NULL; |
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43 | this->elements = NULL; |
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44 | } |
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45 | |
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46 | |
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47 | OccScanlineRLE::OccScanlineRLE(int dim) |
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48 | { |
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49 | this->lengths = new RunLength[dim]; |
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50 | this->elements = new OccElement[dim]; |
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51 | } |
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52 | |
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53 | |
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54 | OccScanlineRLE::~OccScanlineRLE() |
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55 | { |
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56 | if (this->lengths != NULL) { |
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57 | delete [] this->lengths; |
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58 | } |
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59 | |
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60 | if (this->elements != NULL) { |
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61 | delete [] this->elements; |
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62 | } |
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63 | } |
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64 | |
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65 | |
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66 | |
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67 | OccGridRLE::OccGridRLE() |
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68 | { |
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69 | this->xdim = this->ydim = this->zdim = 0; |
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70 | this->axis = Z_AXIS; |
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71 | this->flip = FALSE; |
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72 | this->origin[0] = 0; |
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73 | this->origin[1] = 0; |
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74 | this->origin[2] = 0; |
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75 | |
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76 | this->lengthChunker = NULL; |
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77 | this->elementChunker = NULL; |
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78 | |
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79 | this->rleScanline = new OccScanlineRLE; |
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80 | |
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81 | this->defaultElement = new OccElement; |
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82 | //this->defaultElement->value = 0; |
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83 | this->defaultElement->value = USHRT_MAX; |
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84 | this->defaultElement->totalWeight = 0; |
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85 | |
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86 | this->emptyNoWeight.value = 0; |
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87 | this->emptyNoWeight.totalWeight = 0; |
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88 | |
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89 | this->fullNoWeight.value = USHRT_MAX; |
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90 | this->fullNoWeight.totalWeight = 0; |
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91 | } |
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92 | |
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93 | |
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94 | OccGridRLE::OccGridRLE(int xd, int yd, int zd, int num) |
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95 | { |
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96 | this->xdim = this->ydim = this->zdim = 0; |
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97 | this->axis = Z_AXIS; |
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98 | this->flip = FALSE; |
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99 | this->origin[0] = 0; |
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100 | this->origin[1] = 0; |
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101 | this->origin[2] = 0; |
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102 | |
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103 | this->rleScanline = new OccScanlineRLE; |
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104 | |
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105 | this->defaultElement = new OccElement; |
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106 | this->defaultElement->value = 0; |
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107 | this->defaultElement->totalWeight = 0; |
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108 | |
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109 | this->emptyNoWeight.value = 0; |
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110 | this->emptyNoWeight.totalWeight = 0; |
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111 | |
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112 | this->fullNoWeight.value = USHRT_MAX; |
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113 | this->fullNoWeight.totalWeight = 0; |
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114 | |
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115 | this->lengthChunker = NULL; |
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116 | this->elementChunker = NULL; |
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117 | |
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118 | this->init(xd, yd, zd, num); |
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119 | } |
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120 | |
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121 | |
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122 | void |
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123 | OccGridRLE::init(int xd, int yd, int zd, int num) |
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124 | { |
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125 | int size1, size2, size3, sliceSize; |
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126 | |
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127 | this->xdim = xd; |
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128 | this->ydim = yd; |
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129 | this->zdim = zd; |
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130 | |
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131 | int maxdim = MAX(this->xdim, MAX(this->ydim, this->zdim)); |
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132 | this->sliceOrigins = new vec3f[maxdim]; |
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133 | this->scanline = new OccElement[maxdim]; |
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134 | |
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135 | this->axis = Z_AXIS; |
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136 | this->flip = FALSE; |
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137 | this->origin[0] = 0; |
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138 | this->origin[1] = 0; |
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139 | this->origin[2] = 0; |
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140 | |
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141 | size1 = xd*yd; |
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142 | size2 = xd*zd; |
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143 | size3 = yd*zd; |
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144 | |
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145 | sliceSize = MAX(MAX(size1, size2), size3); |
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146 | this->slice = new OccElement[sliceSize]; |
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147 | |
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148 | this->rleScanline = new OccScanlineRLE; |
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149 | |
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150 | this->defaultElement = new OccElement; |
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151 | this->defaultElement->value = USHRT_MAX; |
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152 | this->defaultElement->totalWeight = 0; |
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153 | |
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154 | this->emptyNoWeight.value = 0; |
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155 | this->emptyNoWeight.totalWeight = 0; |
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156 | |
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157 | this->fullNoWeight.value = USHRT_MAX; |
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158 | this->fullNoWeight.totalWeight = 0; |
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159 | |
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160 | this->lengthAddr = new RunLength*[sliceSize]; |
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161 | this->elementAddr = new OccElement*[sliceSize]; |
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162 | |
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163 | if (this->lengthChunker == NULL) |
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164 | this->lengthChunker = new ChunkAllocator(num); |
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165 | else if (this->lengthChunker->chunkSize != num) { |
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166 | delete this->lengthChunker; |
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167 | this->lengthChunker = new ChunkAllocator(num); |
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168 | } else { |
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169 | this->lengthChunker->reset(); |
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170 | } |
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171 | |
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172 | if (this->elementChunker == NULL) |
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173 | this->elementChunker = new ChunkAllocator(num); |
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174 | else if (this->elementChunker->chunkSize != num) { |
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175 | delete this->elementChunker; |
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176 | this->elementChunker = new ChunkAllocator(num); |
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177 | } else { |
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178 | this->elementChunker->reset(); |
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179 | } |
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180 | |
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181 | |
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182 | // Compute the maximum bytes needed for a scanline |
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183 | // Fix this!! |
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184 | if (sizeof(OccElement) >= 2*sizeof(ushort)) { |
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185 | this->transpXZbytesPerScanline = |
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186 | this->xdim*sizeof(OccElement)+3*sizeof(ushort); |
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187 | } |
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188 | else { |
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189 | this->transpXZbytesPerScanline = |
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190 | this->xdim/2* |
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191 | (sizeof(OccElement)+2*sizeof(ushort)) + sizeof(ushort); |
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192 | } |
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193 | |
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194 | this->transpXZslice = new uchar[this->zdim*this->transpXZbytesPerScanline]; |
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195 | |
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196 | this->clear(); |
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197 | } |
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198 | |
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199 | |
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200 | OccGridRLE::~OccGridRLE() |
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201 | { |
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202 | this->freeSpace(); |
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203 | } |
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204 | |
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205 | |
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206 | void |
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207 | OccGridRLE::freeSpace() |
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208 | { |
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209 | if (this->sliceOrigins != NULL) { |
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210 | delete [] this->sliceOrigins; |
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211 | } |
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212 | if (this->lengthAddr != NULL) { |
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213 | delete [] this->lengthAddr; |
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214 | } |
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215 | if (this->elementAddr != NULL) { |
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216 | delete [] this->elementAddr; |
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217 | } |
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218 | if (this->slice != NULL) { |
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219 | delete [] this->slice; |
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220 | } |
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221 | if (this->scanline != NULL) { |
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222 | delete [] this->scanline; |
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223 | } |
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224 | if (this->rleScanline != NULL) { |
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225 | delete this->rleScanline; |
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226 | } |
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227 | if (this->defaultElement != NULL) { |
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228 | delete this->defaultElement; |
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229 | } |
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230 | if (this->elementChunker != NULL) { |
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231 | delete this->elementChunker; |
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232 | } |
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233 | if (this->lengthChunker != NULL) { |
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234 | delete this->lengthChunker; |
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235 | } |
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236 | if (this->transpXZslice != NULL) { |
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237 | delete [] this->transpXZslice; |
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238 | } |
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239 | } |
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240 | |
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241 | |
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242 | void |
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243 | OccGridRLE::copyParams(OccGridRLE *other) |
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244 | { |
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245 | this->xdim = other->xdim; |
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246 | this->ydim = other->ydim; |
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247 | this->zdim = other->zdim; |
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248 | this->axis = other->axis; |
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249 | this->flip = other->flip; |
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250 | this->origin[0] = other->origin[0]; |
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251 | this->origin[1] = other->origin[1]; |
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252 | this->origin[2] = other->origin[2]; |
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253 | } |
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254 | |
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255 | |
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256 | void |
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257 | OccGridRLE::allocNewRun(int y, int z) |
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258 | { |
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259 | // Make room for contiguous runs and point the length and data |
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260 | // pointers to the next place that length and data will be put |
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261 | |
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262 | this->elementChunker->newChunkIfNeeded(sizeof(OccElement)*(this->xdim+1)); |
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263 | this->elementAddr[y + z*this->ydim] = |
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264 | (OccElement *)this->elementChunker->currentAddr; |
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265 | |
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266 | this->lengthChunker->newChunkIfNeeded(sizeof(RunLength)*(this->xdim+1)); |
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267 | this->lengthAddr[y + z*this->ydim] = |
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268 | (RunLength *)this->lengthChunker->currentAddr; |
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269 | |
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270 | setScanline(y, z); |
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271 | } |
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272 | |
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273 | |
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274 | void |
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275 | OccGridRLE::setScanline(int y, int z) |
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276 | { |
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277 | currentLength = this->lengthAddr[y + z*this->ydim]; |
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278 | currentElem = this->elementAddr[y + z*this->ydim]; |
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279 | } |
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280 | |
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281 | |
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282 | #if defined(linux) && BYTE_ORDER == LITTLE_ENDIAN |
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283 | |
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284 | static inline void |
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285 | swap_4(const void *p, size_t size) |
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286 | { |
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287 | char t; |
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288 | for (char *pc = (char *) p; pc < (char *) p + size; pc += 4) |
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289 | { |
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290 | t = pc[0]; pc[0] = pc[3]; pc[3] = t; |
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291 | t = pc[1]; pc[1] = pc[2]; pc[2] = t; |
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292 | } |
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293 | } |
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294 | |
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295 | static inline void |
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296 | swap_2(const void *p, size_t size) |
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297 | { |
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298 | char t; |
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299 | for (char *pc = (char *) p; pc < (char *) p + size; pc += 2) |
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300 | { |
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301 | t = pc[0]; pc[0] = pc[1]; pc[1] = t; |
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302 | } |
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303 | } |
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304 | |
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305 | static inline void |
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306 | write_be_int(const void *p, size_t size, size_t nitems, FILE *fp) |
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307 | { |
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308 | swap_4(p, size * nitems); |
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309 | fwrite(p, size, nitems, fp); |
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310 | swap_4(p, size * nitems); |
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311 | } |
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312 | |
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313 | static inline void |
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314 | write_be_float(const void *p, size_t size, size_t nitems, FILE *fp) |
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315 | { |
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316 | swap_4(p, size * nitems); |
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317 | fwrite(p, size, nitems, fp); |
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318 | swap_4(p, size * nitems); |
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319 | } |
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320 | |
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321 | static inline void |
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322 | write_be_ushort(const void *p, size_t size, size_t nitems, FILE *fp) |
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323 | { |
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324 | swap_2(p, size * nitems); |
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325 | fwrite(p, size, nitems, fp); |
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326 | swap_2(p, size * nitems); |
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327 | } |
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328 | |
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329 | static inline void |
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330 | read_be_int(void *p, size_t size, size_t nitems, FILE *fp) |
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331 | { |
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332 | fread(p, size, nitems, fp); |
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333 | swap_4(p, size * nitems); |
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334 | } |
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335 | |
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336 | static inline void |
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337 | read_be_float(void *p, size_t size, size_t nitems, FILE *fp) |
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338 | { |
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339 | fread(p, size, nitems, fp); |
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340 | swap_4(p, size * nitems); |
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341 | } |
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342 | |
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343 | static inline void |
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344 | read_be_ushort(void *p, size_t size, size_t nitems, FILE *fp) |
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345 | { |
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346 | fread(p, size, nitems, fp); |
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347 | swap_2(p, size * nitems); |
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348 | } |
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349 | |
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350 | #else |
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351 | |
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352 | static inline void |
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353 | write_be_int(const void *p, size_t size, size_t nitems, FILE *fp) |
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354 | { |
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355 | fwrite(p, size, nitems, fp); |
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356 | } |
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357 | |
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358 | static inline void |
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359 | write_be_float(const void *p, size_t size, size_t nitems, FILE *fp) |
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360 | { |
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361 | fwrite(p, size, nitems, fp); |
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362 | } |
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363 | |
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364 | static inline void |
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365 | write_be_ushort(const void *p, size_t size, size_t nitems, FILE *fp) |
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366 | { |
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367 | fwrite(p, size, nitems, fp); |
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368 | } |
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369 | |
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370 | static inline void |
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371 | read_be_int(void *p, size_t size, size_t nitems, FILE *fp) |
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372 | { |
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373 | fread(p, size, nitems, fp); |
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374 | } |
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375 | |
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376 | static inline void |
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377 | read_be_float(void *p, size_t size, size_t nitems, FILE *fp) |
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378 | { |
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379 | fread(p, size, nitems, fp); |
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380 | } |
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381 | |
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382 | static inline void |
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383 | read_be_ushort(void *p, size_t size, size_t nitems, FILE *fp) |
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384 | { |
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385 | fread(p, size, nitems, fp); |
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386 | } |
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387 | |
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388 | #endif |
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389 | |
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390 | int |
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391 | OccGridRLE::write(char *filename) |
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392 | { |
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393 | FILE *fp = fopen(filename, "wb"); |
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394 | |
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395 | if (fp == NULL) |
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396 | return FALSE; |
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397 | |
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398 | write_be_int(&this->xdim, sizeof(int), 1, fp); |
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399 | write_be_int(&this->ydim, sizeof(int), 1, fp); |
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400 | write_be_int(&this->zdim, sizeof(int), 1, fp); |
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401 | write_be_int(&this->axis, sizeof(int), 1, fp); |
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402 | write_be_int(&this->flip, sizeof(int), 1, fp); |
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403 | write_be_float(&this->origin, sizeof(float), 3, fp); |
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404 | write_be_float(&this->resolution, sizeof(float), 1, fp); |
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405 | |
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406 | int yy, zz, numRuns, numElems; |
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407 | |
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408 | // First count bytes |
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409 | int lengthByteCount = 0; |
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410 | int elementByteCount = 0; |
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411 | for (zz = 0; zz < this->zdim; zz++) { |
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412 | for (yy = 0; yy < this->ydim; yy++) { |
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413 | runStats(yy, zz, &numRuns, &numElems); |
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414 | // Don't forget the END_OF_RUN |
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415 | lengthByteCount = lengthByteCount + |
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416 | (numRuns + 1)*sizeof(RunLength); |
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417 | elementByteCount = elementByteCount + |
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418 | (numElems)*sizeof(OccElement); |
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419 | } |
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420 | } |
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421 | |
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422 | write_be_int(&lengthByteCount, sizeof(int), 1, fp); |
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423 | write_be_int(&elementByteCount, sizeof(int), 1, fp); |
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424 | |
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425 | int i; |
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426 | RunLength length; |
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427 | int runType; |
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428 | OccElement *element; |
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429 | |
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430 | for (zz = 0; zz < this->zdim; zz++) { |
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431 | for (yy = 0; yy < this->ydim; yy++) { |
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432 | setScanline(yy, zz); |
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433 | while (TRUE) { |
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434 | length = getNextLength(); |
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435 | write_be_ushort(&length, sizeof(RunLength), 1, fp); |
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436 | |
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437 | runType = getRunType(&length); |
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438 | |
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439 | if (runType == OccGridRLE::END_OF_RUN) |
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440 | break; |
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441 | |
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442 | if (runType == OccGridRLE::CONSTANT_DATA) { |
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443 | element = getNextElement(); |
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444 | write_be_ushort(element, sizeof(OccElement), 1, fp); |
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445 | } |
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446 | else { |
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447 | for (i=0; i<length; i++) { |
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448 | element = getNextElement(); |
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449 | write_be_ushort(element, sizeof(OccElement), 1, fp); |
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450 | } |
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451 | } |
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452 | } |
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453 | } |
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454 | } |
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455 | |
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456 | fclose(fp); |
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457 | |
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458 | return TRUE; |
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459 | } |
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460 | |
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461 | |
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462 | int |
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463 | OccGridRLE::read(char *filename) |
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464 | { |
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465 | int size1, size2, size3, xd, yd, zd, sliceSize; |
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466 | |
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467 | FILE *fp = fopen(filename, "rb"); |
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468 | |
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469 | if (fp == NULL) |
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470 | return FALSE; |
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471 | |
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472 | read_be_int(&xd, sizeof(int), 1, fp); |
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473 | read_be_int(&yd, sizeof(int), 1, fp); |
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474 | read_be_int(&zd, sizeof(int), 1, fp); |
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475 | |
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476 | if (xd != this->xdim || yd != this->ydim || zd != this->zdim) { |
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477 | size1 = xd*yd; |
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478 | size2 = xd*zd; |
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479 | size3 = yd*zd; |
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480 | |
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481 | sliceSize = MAX(MAX(size1, size2), size3); |
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482 | |
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483 | if (this->slice != NULL) |
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484 | delete [] this->slice; |
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485 | this->slice = new OccElement[sliceSize]; |
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486 | |
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487 | if (this->lengthAddr != NULL) |
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488 | delete [] this->lengthAddr; |
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489 | this->lengthAddr = new RunLength*[sliceSize]; |
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490 | |
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491 | if (this->elementAddr != NULL) |
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492 | delete [] this->elementAddr; |
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493 | this->elementAddr = new OccElement*[sliceSize]; |
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494 | |
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495 | int maxdim = MAX(xd, MAX(yd, zd)); |
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496 | |
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497 | if (this->sliceOrigins != NULL) |
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498 | delete [] this->sliceOrigins; |
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499 | this->sliceOrigins = new vec3f[maxdim]; |
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500 | |
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501 | if (this->scanline != NULL) |
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502 | delete [] this->scanline; |
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503 | this->scanline = new OccElement[maxdim]; |
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504 | |
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505 | this->xdim = xd; |
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506 | this->ydim = yd; |
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507 | this->zdim = zd; |
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508 | |
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509 | if (sizeof(OccElement) > 2*sizeof(ushort)) { |
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510 | this->transpXZbytesPerScanline = |
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511 | this->xdim*sizeof(OccElement)+3*sizeof(ushort); |
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512 | } |
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513 | else { |
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514 | this->transpXZbytesPerScanline = |
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515 | this->xdim/2* |
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516 | (sizeof(OccElement)+2*sizeof(ushort)) + sizeof(ushort); |
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517 | } |
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518 | |
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519 | if (this->transpXZslice != NULL) |
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520 | delete [] this->transpXZslice; |
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521 | this->transpXZslice = new uchar |
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522 | [this->zdim*this->transpXZbytesPerScanline]; |
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523 | } |
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524 | |
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525 | read_be_int(&this->axis, sizeof(int), 1, fp); |
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526 | read_be_int(&this->flip, sizeof(int), 1, fp); |
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527 | read_be_float(&this->origin, sizeof(float), 3, fp); |
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528 | read_be_float(&this->resolution, sizeof(float), 1, fp); |
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529 | |
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530 | int lengthByteCount, elementByteCount; |
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531 | read_be_int(&lengthByteCount, sizeof(int), 1, fp); |
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532 | read_be_int(&elementByteCount, sizeof(int), 1, fp); |
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533 | |
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534 | reset(); |
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535 | |
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536 | int i, yy, zz; |
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537 | RunLength length; |
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538 | int runType; |
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539 | OccElement element; |
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540 | |
---|
541 | for (zz = 0; zz < this->zdim; zz++) { |
---|
542 | for (yy = 0; yy < this->ydim; yy++) { |
---|
543 | allocNewRun(yy, zz); |
---|
544 | while (TRUE) { |
---|
545 | read_be_ushort(&length, sizeof(RunLength), 1, fp); |
---|
546 | putNextLength(length); |
---|
547 | |
---|
548 | runType = getRunType(&length); |
---|
549 | |
---|
550 | if (runType == OccGridRLE::END_OF_RUN) |
---|
551 | break; |
---|
552 | |
---|
553 | if (runType == OccGridRLE::CONSTANT_DATA) { |
---|
554 | read_be_ushort(&element, sizeof(OccElement), 1, fp); |
---|
555 | putNextElement(&element); |
---|
556 | } |
---|
557 | else { |
---|
558 | for (i=0; i<length; i++) { |
---|
559 | read_be_ushort(&element, sizeof(OccElement), 1, fp); |
---|
560 | putNextElement(&element); |
---|
561 | } |
---|
562 | } |
---|
563 | } |
---|
564 | } |
---|
565 | } |
---|
566 | |
---|
567 | fclose(fp); |
---|
568 | |
---|
569 | return TRUE; |
---|
570 | } |
---|
571 | |
---|
572 | |
---|
573 | int |
---|
574 | OccGridRLE::writeDen(char *) |
---|
575 | { |
---|
576 | |
---|
577 | /* |
---|
578 | orig_min[0] = extr_min[0] = map_min[0] = 0; |
---|
579 | orig_min[1] = extr_min[1] = map_min[1] = 0; |
---|
580 | orig_min[2] = extr_min[2] = map_min[2] = 0; |
---|
581 | |
---|
582 | orig_max[0] = extr_max[0] = map_max[0] = this->xdim - 1; |
---|
583 | orig_max[1] = extr_max[1] = map_max[1] = this->ydim - 1; |
---|
584 | orig_max[2] = extr_max[2] = map_max[2] = this->zdim - 1; |
---|
585 | |
---|
586 | orig_len[0] = extr_len[0] = map_len[0] = this->xdim; |
---|
587 | orig_len[1] = extr_len[1] = map_len[1] = this->ydim; |
---|
588 | orig_len[2] = extr_len[2] = map_len[2] = this->zdim; |
---|
589 | |
---|
590 | map_warps = 0; |
---|
591 | |
---|
592 | map_length = (long)map_len[X] * (long)map_len[Y] * (long)map_len[Z]; |
---|
593 | |
---|
594 | map_address = (uchar *)(this->elems); |
---|
595 | |
---|
596 | Store_Indexed_DEN_File(filename, sizeof(OccElement)); |
---|
597 | */ |
---|
598 | |
---|
599 | // So much for error checking... |
---|
600 | return TRUE; |
---|
601 | } |
---|
602 | |
---|
603 | |
---|
604 | void |
---|
605 | OccGridRLE::copy(OccGridRLE *other) |
---|
606 | { |
---|
607 | OccScanlineRLE *rleScanline; |
---|
608 | |
---|
609 | this->reset(); |
---|
610 | this->copyParams(other); |
---|
611 | |
---|
612 | for (int zz = 0; zz < this->zdim; zz++) { |
---|
613 | for (int yy = 0; yy < this->ydim; yy++) { |
---|
614 | rleScanline = other->getRLEScanline(yy, zz); |
---|
615 | this->copyScanline(rleScanline, yy, zz); |
---|
616 | } |
---|
617 | } |
---|
618 | |
---|
619 | } |
---|
620 | |
---|
621 | |
---|
622 | int |
---|
623 | OccGridRLE::transposeXZ(OccGridRLE *outGrid) |
---|
624 | { |
---|
625 | int zz, yy; |
---|
626 | OccScanlineRLE *rleScanlines; |
---|
627 | OccElement *elementData; |
---|
628 | RunLength *lengthData; |
---|
629 | int *runTypes; |
---|
630 | |
---|
631 | outGrid->reset(); |
---|
632 | outGrid->copyParams(this); |
---|
633 | |
---|
634 | SWAP_INT(outGrid->xdim, outGrid->zdim); |
---|
635 | SWAP_FLOAT(outGrid->origin[0], outGrid->origin[2]); |
---|
636 | |
---|
637 | // Set up the new scanlines |
---|
638 | rleScanlines = new OccScanlineRLE[outGrid->zdim]; |
---|
639 | |
---|
640 | |
---|
641 | /* |
---|
642 | rleScanlines = new OccScanlineRLE[outGrid->zdim]; |
---|
643 | for (zz = 0; zz < outGrid->zdim; zz++) { |
---|
644 | rleScanlines[zz].lengths = new RunLength[outGrid->xdim + 1]; |
---|
645 | rleScanlines[zz].elements = new OccElement[outGrid->xdim + 1]; |
---|
646 | } |
---|
647 | */ |
---|
648 | |
---|
649 | lengthData = new RunLength[(outGrid->xdim+1)*outGrid->zdim]; |
---|
650 | elementData = new OccElement[(outGrid->xdim)*outGrid->zdim]; |
---|
651 | for (zz = 0; zz < outGrid->zdim; zz++) { |
---|
652 | rleScanlines[zz].lengths = lengthData + zz*(outGrid->xdim + 1); |
---|
653 | rleScanlines[zz].elements = elementData + zz*(outGrid->xdim); |
---|
654 | } |
---|
655 | |
---|
656 | // For bookeeping |
---|
657 | runTypes = new int[outGrid->zdim]; |
---|
658 | |
---|
659 | // Rename the bookeeping |
---|
660 | int *runOffset = runTypes; |
---|
661 | |
---|
662 | // Loop over slices |
---|
663 | for (yy = 0; yy < this->ydim; yy++) { |
---|
664 | |
---|
665 | // Initialize scanlines and bookkeeping |
---|
666 | for (zz = 0; zz < outGrid->zdim; zz++) { |
---|
667 | rleScanlines[zz].reset(); |
---|
668 | runOffset[zz] = 0; |
---|
669 | } |
---|
670 | |
---|
671 | int xx; |
---|
672 | RunLength length; |
---|
673 | int runType, i; |
---|
674 | OccElement *element; |
---|
675 | |
---|
676 | |
---|
677 | // Lay down first scanline |
---|
678 | |
---|
679 | xx = 0; |
---|
680 | setScanline(yy, 0); |
---|
681 | while (TRUE) { |
---|
682 | length = getNextLength(); |
---|
683 | |
---|
684 | runType = getRunType(&length); |
---|
685 | |
---|
686 | if (runType == OccGridRLE::END_OF_RUN) |
---|
687 | break; |
---|
688 | |
---|
689 | if (runType == OccGridRLE::CONSTANT_DATA) { |
---|
690 | element = getNextElement(); |
---|
691 | for (i=0; i < length; i++, xx++) { |
---|
692 | rleScanlines[xx].putNextElement(element); |
---|
693 | } |
---|
694 | } |
---|
695 | else { |
---|
696 | for (i=0; i<length; i++, xx++) { |
---|
697 | element = getNextElement(); |
---|
698 | rleScanlines[xx].putNextElement(element); |
---|
699 | } |
---|
700 | } |
---|
701 | } |
---|
702 | assert(xx == this->xdim); |
---|
703 | |
---|
704 | |
---|
705 | // Process the current and previous scanlines concurrently |
---|
706 | |
---|
707 | int end1, end2, type1=0, type2=0; |
---|
708 | RunLength length1, length2; |
---|
709 | OccElement *elem1=NULL, *elem2=NULL; |
---|
710 | OccScanlineRLE *lastScanline; |
---|
711 | |
---|
712 | // Loop over scanlines |
---|
713 | |
---|
714 | for (zz = 1; zz < this->zdim; zz++) { |
---|
715 | |
---|
716 | // Load up previous scanline |
---|
717 | lastScanline = getRLEScanline(yy, zz-1); |
---|
718 | lastScanline->reset(); |
---|
719 | |
---|
720 | // Load up current scanline |
---|
721 | setScanline(yy, zz); |
---|
722 | |
---|
723 | // Initialize |
---|
724 | xx = 0; |
---|
725 | end1 = 0; |
---|
726 | end2 = 0; |
---|
727 | |
---|
728 | while (xx < this->xdim) { |
---|
729 | // Load up new lengths and/or new element from prior scanline |
---|
730 | if (xx == end1) { |
---|
731 | length1 = lastScanline->getNextLength(); |
---|
732 | type1 = getRunType(&length1); |
---|
733 | end1 += length1; |
---|
734 | elem1 = lastScanline->getNextElement(); |
---|
735 | } else if (type1 == OccGridRLE::VARYING_DATA) { |
---|
736 | elem1 = lastScanline->getNextElement(); |
---|
737 | } |
---|
738 | |
---|
739 | // Load up new lengths and/or new element from current scanline |
---|
740 | if (xx == end2) { |
---|
741 | length2 = getNextLength(); |
---|
742 | type2 = getRunType(&length2); |
---|
743 | end2 += length2; |
---|
744 | elem2 = getNextElement(); |
---|
745 | } else if (type2 == OccGridRLE::VARYING_DATA) { |
---|
746 | elem2 = getNextElement(); |
---|
747 | } |
---|
748 | |
---|
749 | if (type1 == OccGridRLE::CONSTANT_DATA && |
---|
750 | type2 == OccGridRLE::CONSTANT_DATA && |
---|
751 | elem1->value == elem2->value && |
---|
752 | elem2->totalWeight == elem2->totalWeight) { |
---|
753 | |
---|
754 | // If both are the same constant value, then skip to end |
---|
755 | // of one of them, whichever comes first |
---|
756 | xx = MIN(end1, end2); |
---|
757 | |
---|
758 | } |
---|
759 | else if (type1 == OccGridRLE::VARYING_DATA && |
---|
760 | type2 == OccGridRLE::VARYING_DATA) { |
---|
761 | |
---|
762 | // If both are varying values, then write the new value |
---|
763 | rleScanlines[xx].putNextElement(elem2); |
---|
764 | xx++; |
---|
765 | |
---|
766 | } else { |
---|
767 | // Else, clean up old run by updating length |
---|
768 | length = zz - runOffset[xx]; |
---|
769 | setRunType(&length, type1); |
---|
770 | rleScanlines[xx].putNextLength(length); |
---|
771 | |
---|
772 | // Prepare for new run |
---|
773 | runOffset[xx] = zz; |
---|
774 | rleScanlines[xx].putNextElement(elem2); |
---|
775 | xx++; |
---|
776 | } |
---|
777 | } |
---|
778 | } |
---|
779 | |
---|
780 | |
---|
781 | // One last run through to finish up lengths |
---|
782 | zz = this->zdim; |
---|
783 | lastScanline = getRLEScanline(yy, zz-1); |
---|
784 | lastScanline->reset(); |
---|
785 | xx = 0; |
---|
786 | end1 = 0; |
---|
787 | while (xx < this->xdim) { |
---|
788 | if (xx == end1) { |
---|
789 | length1 = lastScanline->getNextLength(); |
---|
790 | type1 = getRunType(&length1); |
---|
791 | end1 += length1; |
---|
792 | elem1 = lastScanline->getNextElement(); |
---|
793 | } else if (type1 == OccGridRLE::VARYING_DATA) { |
---|
794 | elem1 = lastScanline->getNextElement(); |
---|
795 | } |
---|
796 | length = zz - runOffset[xx]; |
---|
797 | setRunType(&length, type1); |
---|
798 | rleScanlines[xx].putNextLength(length); |
---|
799 | xx++; |
---|
800 | } |
---|
801 | |
---|
802 | |
---|
803 | // Write out the end-of-run flags and copy runs to output grid |
---|
804 | for (zz = 0; zz < outGrid->zdim; zz++) { |
---|
805 | rleScanlines[zz].putNextLength(OccGridRLE::END_OF_RUN); |
---|
806 | outGrid->allocNewRun(yy, zz); |
---|
807 | outGrid->copyScanline(&rleScanlines[zz], yy, zz); |
---|
808 | } |
---|
809 | } |
---|
810 | |
---|
811 | #if OCCGRIDRLE_RECOMPACT |
---|
812 | // Re-compactify |
---|
813 | this->copy(outGrid); |
---|
814 | |
---|
815 | // Put into output |
---|
816 | outGrid->copy(this); |
---|
817 | #endif //OCCGRIDRLE_RECOMPACT |
---|
818 | |
---|
819 | // So that scanline deletion will not try to free these |
---|
820 | for (zz = 0; zz < outGrid->zdim; zz++) { |
---|
821 | rleScanlines[zz].lengths = NULL; |
---|
822 | rleScanlines[zz].elements = NULL; |
---|
823 | } |
---|
824 | |
---|
825 | delete [] rleScanlines; |
---|
826 | delete [] lengthData; |
---|
827 | delete [] elementData; |
---|
828 | delete [] runTypes; |
---|
829 | |
---|
830 | return TRUE; |
---|
831 | } |
---|
832 | |
---|
833 | |
---|
834 | int |
---|
835 | OccGridRLE::transposeXY(OccGridRLE *outGrid) |
---|
836 | { |
---|
837 | int zz, yy; |
---|
838 | OccScanlineRLE *rleScanlines; |
---|
839 | OccElement *elementData; |
---|
840 | RunLength *lengthData; |
---|
841 | int *runTypes; |
---|
842 | |
---|
843 | outGrid->reset(); |
---|
844 | outGrid->copyParams(this); |
---|
845 | |
---|
846 | SWAP_INT(outGrid->xdim, outGrid->ydim); |
---|
847 | SWAP_FLOAT(outGrid->origin[0], outGrid->origin[1]); |
---|
848 | |
---|
849 | rleScanlines = new OccScanlineRLE[outGrid->ydim]; |
---|
850 | lengthData = new RunLength[(outGrid->xdim+1)*outGrid->ydim]; |
---|
851 | elementData = new OccElement[(outGrid->xdim)*outGrid->ydim]; |
---|
852 | for (yy = 0; yy < outGrid->ydim; yy++) { |
---|
853 | rleScanlines[yy].lengths = lengthData + yy*(outGrid->xdim + 1); |
---|
854 | rleScanlines[yy].elements = elementData + yy*(outGrid->xdim); |
---|
855 | } |
---|
856 | runTypes = new int[outGrid->ydim]; |
---|
857 | |
---|
858 | // Rename the bookeeping |
---|
859 | int *runOffset = runTypes; |
---|
860 | |
---|
861 | // Loop over slices |
---|
862 | for (zz = 0; zz < this->zdim; zz++) { |
---|
863 | |
---|
864 | // Initialize scanlines and bookkeeping |
---|
865 | for (yy = 0; yy < outGrid->ydim; yy++) { |
---|
866 | rleScanlines[yy].reset(); |
---|
867 | runOffset[yy] = 0; |
---|
868 | } |
---|
869 | |
---|
870 | int xx; |
---|
871 | RunLength length; |
---|
872 | int runType, i; |
---|
873 | OccElement *element; |
---|
874 | |
---|
875 | |
---|
876 | // Lay down first scanline |
---|
877 | |
---|
878 | xx = 0; |
---|
879 | setScanline(0, zz); |
---|
880 | while (TRUE) { |
---|
881 | length = getNextLength(); |
---|
882 | |
---|
883 | runType = getRunType(&length); |
---|
884 | |
---|
885 | if (runType == OccGridRLE::END_OF_RUN) |
---|
886 | break; |
---|
887 | |
---|
888 | if (runType == OccGridRLE::CONSTANT_DATA) { |
---|
889 | element = getNextElement(); |
---|
890 | for (i=0; i < length; i++, xx++) { |
---|
891 | rleScanlines[xx].putNextElement(element); |
---|
892 | } |
---|
893 | } |
---|
894 | else { |
---|
895 | for (i=0; i<length; i++, xx++) { |
---|
896 | element = getNextElement(); |
---|
897 | rleScanlines[xx].putNextElement(element); |
---|
898 | } |
---|
899 | } |
---|
900 | } |
---|
901 | assert(xx == this->xdim); |
---|
902 | |
---|
903 | |
---|
904 | // Process the current and previous scanlines concurrently |
---|
905 | |
---|
906 | int end1, end2, type1=0, type2=0; |
---|
907 | RunLength length1, length2; |
---|
908 | OccElement *elem1=NULL, *elem2=NULL; |
---|
909 | OccScanlineRLE *lastScanline; |
---|
910 | |
---|
911 | // Loop over scanlines |
---|
912 | |
---|
913 | for (yy = 1; yy < this->ydim; yy++) { |
---|
914 | |
---|
915 | // Load up previous scanline |
---|
916 | lastScanline = getRLEScanline(yy-1, zz); |
---|
917 | lastScanline->reset(); |
---|
918 | |
---|
919 | // Load up current scanline |
---|
920 | setScanline(yy, zz); |
---|
921 | |
---|
922 | // Initialize |
---|
923 | xx = 0; |
---|
924 | end1 = 0; |
---|
925 | end2 = 0; |
---|
926 | |
---|
927 | while (xx < this->xdim) { |
---|
928 | // Load up new lengths and/or new element from prior scanline |
---|
929 | if (xx == end1) { |
---|
930 | length1 = lastScanline->getNextLength(); |
---|
931 | type1 = getRunType(&length1); |
---|
932 | end1 += length1; |
---|
933 | elem1 = lastScanline->getNextElement(); |
---|
934 | } else if (type1 == OccGridRLE::VARYING_DATA) { |
---|
935 | elem1 = lastScanline->getNextElement(); |
---|
936 | } |
---|
937 | |
---|
938 | // Load up new lengths and/or new element from current scanline |
---|
939 | if (xx == end2) { |
---|
940 | length2 = getNextLength(); |
---|
941 | type2 = getRunType(&length2); |
---|
942 | end2 += length2; |
---|
943 | elem2 = getNextElement(); |
---|
944 | } else if (type2 == OccGridRLE::VARYING_DATA) { |
---|
945 | elem2 = getNextElement(); |
---|
946 | } |
---|
947 | |
---|
948 | if (type1 == OccGridRLE::CONSTANT_DATA && |
---|
949 | type2 == OccGridRLE::CONSTANT_DATA && |
---|
950 | elem1->value == elem2->value && |
---|
951 | elem2->totalWeight == elem2->totalWeight) { |
---|
952 | |
---|
953 | // If both are the same constant value, then skip to end |
---|
954 | // of one of them, whichever comes first |
---|
955 | xx = MIN(end1, end2); |
---|
956 | |
---|
957 | } |
---|
958 | else if (type1 == OccGridRLE::VARYING_DATA && |
---|
959 | type2 == OccGridRLE::VARYING_DATA) { |
---|
960 | |
---|
961 | // If both are varying values, then write the new value |
---|
962 | rleScanlines[xx].putNextElement(elem2); |
---|
963 | xx++; |
---|
964 | |
---|
965 | } else { |
---|
966 | // Else, clean up old run by updating length |
---|
967 | length = yy - runOffset[xx]; |
---|
968 | setRunType(&length, type1); |
---|
969 | rleScanlines[xx].putNextLength(length); |
---|
970 | |
---|
971 | // Prepare for new run |
---|
972 | runOffset[xx] = yy; |
---|
973 | rleScanlines[xx].putNextElement(elem2); |
---|
974 | xx++; |
---|
975 | } |
---|
976 | } |
---|
977 | } |
---|
978 | |
---|
979 | |
---|
980 | // One last run through to finish up lengths |
---|
981 | yy = this->ydim; |
---|
982 | lastScanline = getRLEScanline(yy-1, zz); |
---|
983 | lastScanline->reset(); |
---|
984 | xx = 0; |
---|
985 | end1 = 0; |
---|
986 | while (xx < this->xdim) { |
---|
987 | if (xx == end1) { |
---|
988 | length1 = lastScanline->getNextLength(); |
---|
989 | type1 = getRunType(&length1); |
---|
990 | end1 += length1; |
---|
991 | elem1 = lastScanline->getNextElement(); |
---|
992 | } else if (type1 == OccGridRLE::VARYING_DATA) { |
---|
993 | elem1 = lastScanline->getNextElement(); |
---|
994 | } |
---|
995 | length = yy - runOffset[xx]; |
---|
996 | setRunType(&length, type1); |
---|
997 | rleScanlines[xx].putNextLength(length); |
---|
998 | xx++; |
---|
999 | } |
---|
1000 | |
---|
1001 | |
---|
1002 | // Write out the end-of-run flags and copy runs to output grid |
---|
1003 | for (yy = 0; yy < outGrid->ydim; yy++) { |
---|
1004 | rleScanlines[yy].putNextLength(OccGridRLE::END_OF_RUN); |
---|
1005 | outGrid->allocNewRun(yy, zz); |
---|
1006 | outGrid->copyScanline(&rleScanlines[yy], yy, zz); |
---|
1007 | } |
---|
1008 | } |
---|
1009 | |
---|
1010 | #if OCCGRIDRLE_RECOMPACT |
---|
1011 | // Re-compactify |
---|
1012 | this->copy(outGrid); |
---|
1013 | |
---|
1014 | // Put into output |
---|
1015 | outGrid->copy(this); |
---|
1016 | #endif //OCCGRIDRLE_RECOMPACT |
---|
1017 | |
---|
1018 | // So that scanline deletion will not try to free these |
---|
1019 | for (yy = 0; yy < outGrid->ydim; yy++) { |
---|
1020 | rleScanlines[yy].lengths = NULL; |
---|
1021 | rleScanlines[yy].elements = NULL; |
---|
1022 | } |
---|
1023 | |
---|
1024 | delete [] rleScanlines; |
---|
1025 | delete [] lengthData; |
---|
1026 | delete [] elementData; |
---|
1027 | delete [] runTypes; |
---|
1028 | |
---|
1029 | return TRUE; |
---|
1030 | } |
---|
1031 | |
---|
1032 | |
---|
1033 | int |
---|
1034 | OccGridRLE::transposeYZ(OccGridRLE *outGrid) |
---|
1035 | { |
---|
1036 | int yy,zz; |
---|
1037 | OccScanlineRLE *rleScanline; |
---|
1038 | |
---|
1039 | outGrid->reset(); |
---|
1040 | outGrid->copyParams(this); |
---|
1041 | SWAP_INT(outGrid->ydim, outGrid->zdim); |
---|
1042 | SWAP_FLOAT(outGrid->origin[1], outGrid->origin[2]); |
---|
1043 | |
---|
1044 | for (zz = 0; zz < outGrid->zdim; zz++) { |
---|
1045 | for (yy = 0; yy < outGrid->ydim; yy++) { |
---|
1046 | rleScanline = this->getRLEScanline(zz, yy); |
---|
1047 | outGrid->copyScanline(rleScanline, yy, zz); |
---|
1048 | } |
---|
1049 | } |
---|
1050 | |
---|
1051 | if (outGrid->axis == Y_AXIS) |
---|
1052 | outGrid->axis = Z_AXIS; |
---|
1053 | else if (outGrid->axis == Z_AXIS) |
---|
1054 | outGrid->axis = Y_AXIS; |
---|
1055 | |
---|
1056 | return TRUE; |
---|
1057 | } |
---|
1058 | |
---|
1059 | |
---|
1060 | OccScanlineRLE * |
---|
1061 | OccGridRLE::getRLEScanline(int y, int z) |
---|
1062 | { |
---|
1063 | setScanline(y, z); |
---|
1064 | rleScanline->lengths = currentLength; |
---|
1065 | rleScanline->elements = currentElem; |
---|
1066 | rleScanline->reset(); |
---|
1067 | return rleScanline; |
---|
1068 | } |
---|
1069 | |
---|
1070 | |
---|
1071 | OccElement * |
---|
1072 | OccGridRLE::getScanline(int y, int z) |
---|
1073 | { |
---|
1074 | int i; |
---|
1075 | assert (y<=ydim); |
---|
1076 | assert (z<=zdim); |
---|
1077 | assert (y>=0); |
---|
1078 | assert (z>=0); |
---|
1079 | setScanline(y, z); |
---|
1080 | //printf ("%d %d\n",y,z); |
---|
1081 | |
---|
1082 | OccElement *scanPtr = this->scanline; |
---|
1083 | |
---|
1084 | RunLength length; |
---|
1085 | int runType; |
---|
1086 | OccElement *element; |
---|
1087 | |
---|
1088 | int xx = 0; |
---|
1089 | while (TRUE) { |
---|
1090 | length = getNextLength(); |
---|
1091 | runType = getRunType(&length); |
---|
1092 | |
---|
1093 | if (runType == OccGridRLE::END_OF_RUN) |
---|
1094 | break; |
---|
1095 | |
---|
1096 | if (runType == OccGridRLE::CONSTANT_DATA) { |
---|
1097 | element = getNextElement(); |
---|
1098 | for (i=0; i<length; i++, scanPtr++, xx++) { |
---|
1099 | scanPtr->value = element->value; |
---|
1100 | scanPtr->totalWeight = element->totalWeight; |
---|
1101 | } |
---|
1102 | } |
---|
1103 | else { |
---|
1104 | for (i=0; i<length; i++, scanPtr++, xx++) { |
---|
1105 | element = getNextElement(); |
---|
1106 | scanPtr->value = element->value; |
---|
1107 | scanPtr->totalWeight = element->totalWeight; |
---|
1108 | } |
---|
1109 | } |
---|
1110 | } |
---|
1111 | |
---|
1112 | assert(xx == this->xdim); |
---|
1113 | |
---|
1114 | return this->scanline; |
---|
1115 | } |
---|
1116 | |
---|
1117 | |
---|
1118 | void |
---|
1119 | OccGridRLE::copyScanline(OccScanlineRLE *rleScanline, int y, int z) |
---|
1120 | { |
---|
1121 | int i; |
---|
1122 | RunLength length; |
---|
1123 | int runType; |
---|
1124 | OccElement *element; |
---|
1125 | |
---|
1126 | rleScanline->reset(); |
---|
1127 | allocNewRun(y,z); |
---|
1128 | |
---|
1129 | while (TRUE) { |
---|
1130 | length = rleScanline->getNextLength(); |
---|
1131 | putNextLength(length); |
---|
1132 | |
---|
1133 | runType = getRunType(&length); |
---|
1134 | |
---|
1135 | if (runType == OccGridRLE::END_OF_RUN) |
---|
1136 | break; |
---|
1137 | |
---|
1138 | if (runType == OccGridRLE::CONSTANT_DATA) { |
---|
1139 | element = rleScanline->getNextElement(); |
---|
1140 | putNextElement(element); |
---|
1141 | } |
---|
1142 | else { |
---|
1143 | for (i=0; i<length; i++) { |
---|
1144 | element = rleScanline->getNextElement(); |
---|
1145 | putNextElement(element); |
---|
1146 | } |
---|
1147 | } |
---|
1148 | } |
---|
1149 | } |
---|
1150 | |
---|
1151 | |
---|
1152 | void |
---|
1153 | OccGridRLE::putScanline(OccElement *line, int y, int z) |
---|
1154 | { |
---|
1155 | OccElement *scan = line; |
---|
1156 | ushort count; |
---|
1157 | |
---|
1158 | int xoff = 0; |
---|
1159 | |
---|
1160 | allocNewRun(y, z); |
---|
1161 | |
---|
1162 | while (TRUE) { |
---|
1163 | if (scan->totalWeight == emptyNoWeight.totalWeight |
---|
1164 | && scan->value == emptyNoWeight.value) { |
---|
1165 | count = 0; |
---|
1166 | while(scan->totalWeight == emptyNoWeight.totalWeight |
---|
1167 | && scan->value == emptyNoWeight.value |
---|
1168 | && xoff < this->xdim) { |
---|
1169 | scan++; |
---|
1170 | count++; |
---|
1171 | xoff++; |
---|
1172 | } |
---|
1173 | setRunType(&count, OccGridRLE::CONSTANT_DATA); |
---|
1174 | putNextLength(count); |
---|
1175 | putNextElement(&emptyNoWeight); |
---|
1176 | } |
---|
1177 | else if (scan->totalWeight == fullNoWeight.totalWeight |
---|
1178 | && scan->value == fullNoWeight.value) { |
---|
1179 | count = 0; |
---|
1180 | while(scan->totalWeight == fullNoWeight.totalWeight |
---|
1181 | && scan->value == fullNoWeight.value |
---|
1182 | && xoff < this->xdim) { |
---|
1183 | scan++; |
---|
1184 | count++; |
---|
1185 | xoff++; |
---|
1186 | } |
---|
1187 | setRunType(&count, OccGridRLE::CONSTANT_DATA); |
---|
1188 | putNextLength(count); |
---|
1189 | putNextElement(&fullNoWeight); |
---|
1190 | } |
---|
1191 | else { |
---|
1192 | count = 0; |
---|
1193 | while (!(scan->totalWeight == emptyNoWeight.totalWeight |
---|
1194 | && scan->value == emptyNoWeight.value) && |
---|
1195 | !(scan->totalWeight == fullNoWeight.totalWeight |
---|
1196 | && scan->value == fullNoWeight.value) && |
---|
1197 | xoff < this->xdim) { |
---|
1198 | putNextElement(scan); |
---|
1199 | scan++; |
---|
1200 | count++; |
---|
1201 | xoff++; |
---|
1202 | } |
---|
1203 | setRunType(&count, OccGridRLE::VARYING_DATA); |
---|
1204 | putNextLength(count); |
---|
1205 | } |
---|
1206 | |
---|
1207 | if (xoff == this->xdim) { |
---|
1208 | setRunType(&count, OccGridRLE::END_OF_RUN); |
---|
1209 | putNextLength(count); |
---|
1210 | break; |
---|
1211 | } |
---|
1212 | } |
---|
1213 | } |
---|
1214 | |
---|
1215 | |
---|
1216 | OccElement * |
---|
1217 | OccGridRLE::getSlice(char *axis, int sliceNum, int *pxdim, int *pydim) |
---|
1218 | { |
---|
1219 | OccElement *buf1, *buf2; |
---|
1220 | int xx, yy, zz; |
---|
1221 | |
---|
1222 | buf1 = slice; |
---|
1223 | if (EQSTR(axis, "x")) { |
---|
1224 | if (sliceNum < this->xdim) { |
---|
1225 | for (yy = 0; yy < this->ydim; yy++) { |
---|
1226 | for (zz = 0; zz <this->zdim; zz++, buf1++) { |
---|
1227 | buf2 = this->getElement(sliceNum, yy, zz); |
---|
1228 | buf1->value = buf2->value; |
---|
1229 | buf1->totalWeight = buf2->totalWeight; |
---|
1230 | } |
---|
1231 | } |
---|
1232 | } |
---|
1233 | *pxdim = this->zdim; |
---|
1234 | *pydim = this->ydim; |
---|
1235 | } |
---|
1236 | else if (EQSTR(axis, "y")) { |
---|
1237 | if (sliceNum < this->ydim) { |
---|
1238 | for (zz = 0; zz < this->zdim; zz++) { |
---|
1239 | buf2 = this->getScanline(sliceNum,zz); |
---|
1240 | for (xx = 0; xx < this->xdim; xx++, buf1++, buf2++) { |
---|
1241 | buf1->value = buf2->value; |
---|
1242 | buf1->totalWeight = buf2->totalWeight; |
---|
1243 | } |
---|
1244 | } |
---|
1245 | } |
---|
1246 | *pxdim = this->xdim; |
---|
1247 | *pydim = this->zdim; |
---|
1248 | } |
---|
1249 | else if (EQSTR(axis, "z")) { |
---|
1250 | if (sliceNum < this->zdim) { |
---|
1251 | for (yy = 0; yy < this->ydim; yy++) { |
---|
1252 | buf2 = this->getScanline(yy, sliceNum); |
---|
1253 | for (xx = 0; xx < this->xdim; xx++, buf1++, buf2++) { |
---|
1254 | buf1->value = buf2->value; |
---|
1255 | buf1->totalWeight = buf2->totalWeight; |
---|
1256 | } |
---|
1257 | } |
---|
1258 | } |
---|
1259 | *pxdim = this->xdim; |
---|
1260 | *pydim = this->ydim; |
---|
1261 | } |
---|
1262 | |
---|
1263 | return this->slice; |
---|
1264 | } |
---|
1265 | |
---|
1266 | |
---|
1267 | void |
---|
1268 | OccGridRLE::clear() |
---|
1269 | { |
---|
1270 | RunLength length, end; |
---|
1271 | |
---|
1272 | this->reset(); |
---|
1273 | |
---|
1274 | setRunType(&end, OccGridRLE::END_OF_RUN); |
---|
1275 | |
---|
1276 | length = this->xdim; |
---|
1277 | setRunType(&length, OccGridRLE::CONSTANT_DATA); |
---|
1278 | |
---|
1279 | for (int zz = 0; zz < this->zdim; zz++) { |
---|
1280 | for (int yy = 0; yy < this->ydim; yy++) { |
---|
1281 | allocNewRun(yy, zz); |
---|
1282 | putNextLength(length); |
---|
1283 | putNextElement(defaultElement); |
---|
1284 | putNextLength(end); |
---|
1285 | } |
---|
1286 | } |
---|
1287 | } |
---|
1288 | |
---|
1289 | |
---|
1290 | void |
---|
1291 | OccGridRLE::reset() |
---|
1292 | { |
---|
1293 | this->lengthChunker->reset(); |
---|
1294 | this->elementChunker->reset(); |
---|
1295 | } |
---|
1296 | |
---|
1297 | |
---|
1298 | void |
---|
1299 | OccGridRLE::runStats(int yy, int zz, int *numRuns, int *numElems) |
---|
1300 | { |
---|
1301 | int runType, runCount, elemCount; |
---|
1302 | RunLength length; |
---|
1303 | |
---|
1304 | setScanline(yy,zz); |
---|
1305 | |
---|
1306 | runCount = 0; |
---|
1307 | elemCount = 0; |
---|
1308 | while (TRUE) { |
---|
1309 | length = getNextLength(); |
---|
1310 | runType = getRunType(&length); |
---|
1311 | |
---|
1312 | if (runType == OccGridRLE::END_OF_RUN) |
---|
1313 | break; |
---|
1314 | |
---|
1315 | elemCount += length; |
---|
1316 | runCount++; |
---|
1317 | } |
---|
1318 | |
---|
1319 | *numRuns = runCount; |
---|
1320 | *numElems = elemCount; |
---|
1321 | } |
---|
1322 | |
---|
1323 | |
---|
1324 | OccElement * |
---|
1325 | OccGridRLE::getElement(int xx, int yy, int zz) |
---|
1326 | { |
---|
1327 | OccElement *element; |
---|
1328 | RunLength length; |
---|
1329 | int runType; |
---|
1330 | |
---|
1331 | setScanline(yy, zz); |
---|
1332 | |
---|
1333 | int currentX = 0; |
---|
1334 | while (TRUE) { |
---|
1335 | length = getNextLength(); |
---|
1336 | runType = getRunType(&length); |
---|
1337 | |
---|
1338 | assert(runType != OccGridRLE::END_OF_RUN); |
---|
1339 | |
---|
1340 | if (runType == OccGridRLE::CONSTANT_DATA) { |
---|
1341 | element = getNextElement(); |
---|
1342 | currentX += length; |
---|
1343 | if (xx < currentX) |
---|
1344 | break; |
---|
1345 | } |
---|
1346 | else { |
---|
1347 | // Really inefficient!! |
---|
1348 | /* |
---|
1349 | for (int i = 0; i < length; i++, currentX++) { |
---|
1350 | element = getNextElement(); |
---|
1351 | if (xx == currentX) |
---|
1352 | break; |
---|
1353 | } |
---|
1354 | */ |
---|
1355 | |
---|
1356 | if (xx < currentX+length) { |
---|
1357 | currentElem += (xx - currentX); |
---|
1358 | element = getNextElement(); |
---|
1359 | break; |
---|
1360 | } else { |
---|
1361 | currentX += length; |
---|
1362 | currentElem += length; |
---|
1363 | } |
---|
1364 | } |
---|
1365 | } |
---|
1366 | return element; |
---|
1367 | } |
---|
1368 | |
---|
1369 | OccElement OccGridRLE::voxRead(int x, int y, int z) |
---|
1370 | { |
---|
1371 | assert(x>=0 && x<xdim && y>=0 && y<ydim && z>=0 && z<zdim); |
---|
1372 | OccElement *line; |
---|
1373 | line = getScanline(y,z); |
---|
1374 | |
---|
1375 | return line[x]; |
---|
1376 | |
---|
1377 | } |
---|
1378 | |
---|
1379 | void OccGridRLE::voxWrite(int x, int y, int z, OccElement &el) |
---|
1380 | { |
---|
1381 | assert(x>=0 && x<xdim && y>=0 && y<ydim && z>=0 && z<zdim); |
---|
1382 | |
---|
1383 | OccElement *line; |
---|
1384 | line = getScanline(y,z); |
---|
1385 | line[x]=el; |
---|
1386 | putScanline(line,y,z); |
---|
1387 | } |
---|
1388 | |
---|
1389 | OccGrid *OccGridRLE::voxExpand() |
---|
1390 | { |
---|
1391 | puts ("Expanding grid"); |
---|
1392 | printf("OccEl size %d\n",sizeof(OccElement)); |
---|
1393 | printf("About to use MB%d\n " ,(int)(sizeof(OccElement)*(double)xdim*(double)ydim*(double)zdim/(double)(1024*1024))); |
---|
1394 | OccGrid *og=new OccGrid(xdim,ydim,zdim); |
---|
1395 | for (int y=0;y<ydim;y++) |
---|
1396 | for (int z=0;z<zdim; z++) |
---|
1397 | { |
---|
1398 | OccElement *line=getScanline(y,z); |
---|
1399 | for (int x=0;x<xdim;x++) |
---|
1400 | { |
---|
1401 | *(og->address(x,y,z))=line[x]; |
---|
1402 | } |
---|
1403 | } |
---|
1404 | puts ("Done expanding grid"); |
---|
1405 | return og; |
---|
1406 | } |
---|
1407 | |
---|
1408 | void OccGridRLE::voxRLE(OccGrid *og) |
---|
1409 | { |
---|
1410 | puts ("Starting grid RLE"); |
---|
1411 | for (int y=0;y<ydim;y++) |
---|
1412 | for (int z=0;z<zdim; z++) |
---|
1413 | { |
---|
1414 | OccElement *line=getScanline(y,z); |
---|
1415 | for (int x=0;x<xdim;x++) |
---|
1416 | { |
---|
1417 | line[x]=*(og->address(x,y,z)); |
---|
1418 | } |
---|
1419 | putScanline(line,y,z); |
---|
1420 | } |
---|
1421 | puts ("Finished grid RLE"); |
---|
1422 | } |
---|