- Timestamp:
- 06/12/06 10:29:56 (18 years ago)
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trunk/SRC/Documentation/idldoc_html_output/Interpolation/inrecgrid.html
r89 r101 87 87 </div> 88 88 89 <div id="file_comments"></div> 89 <div id="file_comments"> given - a list of points, (x,y) position 90 - the x and y limits of a rectangular grid 91 find in which cell is located each given point. 92 </div> 90 93 91 94 … … 102 105 <div class="routine_details" id="_inrecgrid"> 103 106 104 <h2><a class="top" href="#container">top</a>inrecgrid </h2> 107 <h2><a class="top" href="#container">top</a>inrecgrid <span class="categories"> no DO loop, use the wonderfull value_locate function! 108 </span></h2> 105 109 106 110 <p class="header"> … … 108 112 109 113 <div class="comments"> 110 NAME: inrecgrid 111 112 PURPOSE: given - a list of points, (x,y) position 113 - the x and y limits of a rectangular grid 114 find in which cell is located each given point. 115 116 CATEGORY: no DO loop, use the wonderfull value_locate function! 117 118 CALLING SEQUENCE:res = inrecgrid(xin, yin, left, bottom) 119 120 INPUTS: 121 122 x1d: a 1d array, the x position on the points 123 y1d: a 1d array, the y position on the points 124 left: a 1d, monotonically increasing array, the position of the 125 "left" border of each cell. 126 bottom: a 1d, monotonically increasing array, the position of the 114 </div> 115 116 <h3>Return value</h3><div class="value"> the index on the cell accoring to the 2d array defined by 117 left and bottom. 118 </div> 119 120 121 <h3>Parameters</h3> 122 123 124 <h4 id="_inrecgrid_param_x1d">x1d 125 <span class="attr">in</span> 126 127 128 <span class="attr">required</span> 129 130 131 132 133 </h4> 134 135 <div class="comments"> a 1d array, the x position on the points</div> 136 137 <h4 id="_inrecgrid_param_y1d">y1d 138 <span class="attr">in</span> 139 140 141 <span class="attr">required</span> 142 143 144 145 146 </h4> 147 148 <div class="comments"> a 1d, monotonically increasing array, the position of the 149 "left" border of each cell.</div> 150 151 <h4 id="_inrecgrid_param_left">left 152 153 154 155 156 157 158 159 160 </h4> 161 162 <div class="comments"></div> 163 164 <h4 id="_inrecgrid_param_bottom">bottom 165 <span class="attr">in</span> 166 167 168 <span class="attr">required</span> 169 170 171 172 173 </h4> 174 175 <div class="comments"> a 1d, monotonically increasing array, the position of the 127 176 "bottom" border of each cell. 128 177 129 OPTIONAL INPUTS: 130 131 KEYWORD PARAMETERS:; 132 133 /output2d: to get the output as a 2d array (2,n_elements(x1d)), 178 </div> 179 180 181 182 183 184 185 <h3>Keywords</h3> 186 187 <h4 id="_inrecgrid_keyword_output2d">output2d 188 189 190 191 192 193 194 195 196 </h4> 197 198 <div class="comments"> to get the output as a 2d array (2,n_elements(x1d)), 134 199 with res[0,*] the x index accoring to the 1d array defined by 135 200 left and res[1,*] the y index accoring to the 1d array defined by 136 201 bottom. 137 138 checkout=[rbgrid,ubgrid] specify the right and upper bondaries of 202 </div> 203 204 <h4 id="_inrecgrid_keyword_checkout">checkout 205 206 207 208 209 210 211 212 213 </h4> 214 215 <div class="comments">=[rbgrid,ubgrid] specify the right and upper bondaries of 139 216 the grid and check if some points are out. 140 141 OUTPUTS:the index on the cell accoring to the 2d array defined by 142 left and bottom. 143 144 OPTIONAL OUTPUTS: 145 146 COMMON BLOCKS: no 147 148 SIDE EFFECTS: 149 150 RESTRICTIONS: 151 152 PROCEDURE: 153 154 EXAMPLE: 217 </div> 218 219 220 221 <h3>Examples</h3><div class="value"> 222 res = inrecgrid(xin, yin, left, bottom) 223 224 155 225 156 226 IDL> a=indgen(5) … … 164 234 3.00000 2.00000 165 235 2.00000 1.00000 166 167 MODIFICATION HISTORY:</div> 168 169 170 171 172 <h3>Parameters</h3> 173 174 175 <h4 id="_inrecgrid_param_x1d">x1d 176 177 178 179 180 181 182 183 184 </h4> 185 186 <div class="comments"></div> 187 188 <h4 id="_inrecgrid_param_y1d">y1d 189 190 191 192 193 194 195 196 197 </h4> 198 199 <div class="comments"></div> 200 201 <h4 id="_inrecgrid_param_left">left 202 203 204 205 206 207 208 209 210 </h4> 211 212 <div class="comments"></div> 213 214 <h4 id="_inrecgrid_param_bottom">bottom 215 216 217 218 219 220 221 222 223 </h4> 224 225 <div class="comments"></div> 226 227 228 229 230 231 232 <h3>Keywords</h3> 233 234 <h4 id="_inrecgrid_keyword_output2d">output2d 235 236 237 238 239 240 241 242 243 </h4> 244 245 <div class="comments"></div> 246 247 <h4 id="_inrecgrid_keyword_checkout">checkout 248 249 250 251 252 253 254 255 256 </h4> 257 258 <div class="comments"></div> 259 260 261 262 263 264 265 266 236 </div> 237 <h3>Version history</h3> 238 239 240 <h4>History</h4><div class="value"> 241 S. Masson (smasson@lodyc.jussieu.fr) 242 July 3rd, 2002 243 October 3rd, 2003: use value_locate</div> 267 244 268 245
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