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trunk/SRC/Documentation/idldoc_html_output/Interpolation/neighbor.html
r89 r101 87 87 </div> 88 88 89 <div id="file_comments"></div> 89 <div id="file_comments"> 90 find the closetest point of (P0) within a list of np1 points 91 P1 Which can be on a sphere 92 </div> 90 93 91 94 … … 102 105 <div class="routine_details" id="_neighbor"> 103 106 104 <h2><a class="top" href="#container">top</a>neighbor </h2> 107 <h2><a class="top" href="#container">top</a>neighbor <span class="categories"> Maps 108 </span></h2> 105 109 106 110 <p class="header"> … … 108 112 109 113 <div class="comments"> 110 NAME: 111 neighbor 112 113 PURPOSE: 114 find the closetest point of (P0) within a list of np1 points 115 P1 Which can be on a sphere 116 117 CATEGORY: 118 Maps. 119 120 CALLING SEQUENCE: 121 Result = neighbor(lon0, lat0, lon1, lat1) 122 123 INPUTS: 124 Lon0, Lat0 = scalar. longitudes and latitudes of point P0. 125 Lon1, Lat1 = np1 elements vector. longitude and latitude of 126 np1 points P1 127 128 KEYWORD PARAMETERS: 129 RADIANS = if set, inputs and angular outputs are in radians, otherwise 130 degrees. 131 DISTANCE = dis, to get back the distances between P0 and the np1 132 points P1 in the variable dis. 133 /SPHERE to activate if points are located on a sphere. 134 135 OUTPUTS: 114 </div> 115 116 <h3>Return value</h3><div class="value"> 136 117 index giving the P1[index] point that is the closetest point 137 118 of (P0) 138 139 EXAMPLES: 119 </div> 120 121 122 <h3>Parameters</h3> 123 124 125 <h4 id="_neighbor_param_p0lon">p0lon 126 <span class="attr">in</span> 127 128 129 <span class="attr">required</span> 130 131 132 133 134 </h4> 135 136 <div class="comments"> scalar. longitudes of point P0. </div> 137 138 <h4 id="_neighbor_param_p0lat">p0lat 139 <span class="attr">in</span> 140 141 142 <span class="attr">required</span> 143 144 145 146 147 </h4> 148 149 <div class="comments"> scalar. latitudes of point P0. 150 </div> 151 152 <h4 id="_neighbor_param_neighlon">neighlon 153 154 155 156 157 158 159 160 161 </h4> 162 163 <div class="comments"></div> 164 165 <h4 id="_neighbor_param_neighlat">neighlat 166 167 168 169 170 171 172 173 174 </h4> 175 176 <div class="comments"></div> 177 178 179 180 181 182 183 <h3>Keywords</h3> 184 185 <h4 id="_neighbor_keyword_sphere">sphere 186 187 188 189 190 191 192 193 194 </h4> 195 196 <div class="comments"> to activate if points are located on a sphere. 197 </div> 198 199 <h4 id="_neighbor_keyword_distance">distance 200 201 202 203 204 205 206 207 208 </h4> 209 210 <div class="comments"> dis, to get back the distances between P0 and the np1 211 points P1 in the variable dis.</div> 212 213 <h4 id="_neighbor_keyword_radians">radians 214 215 216 217 218 219 220 221 222 </h4> 223 224 <div class="comments"> if set, inputs and angular outputs are in radians, otherwise 225 degrees.</div> 226 227 228 229 <h3>Examples</h3><div class="value"> 230 IDL> Result = neighbor(lon0, lat0, lon1, lat1) 231 232 140 233 IDL> print, neighbor(-105.15,40.02,[-0.07,100,50],[51.30,20,0], $ 141 234 distance=dis) … … 143 236 IDL> print, dis 144 237 105.684 206.125 160.228 145 146 MODIFICATION HISTORY:</div> 147 148 149 150 151 <h3>Parameters</h3> 152 153 154 <h4 id="_neighbor_param_p0lon">p0lon 155 156 157 158 159 160 161 162 163 </h4> 164 165 <div class="comments"></div> 166 167 <h4 id="_neighbor_param_p0lat">p0lat 168 169 170 171 172 173 174 175 176 </h4> 177 178 <div class="comments"></div> 179 180 <h4 id="_neighbor_param_neighlon">neighlon 181 182 183 184 185 186 187 188 189 </h4> 190 191 <div class="comments"></div> 192 193 <h4 id="_neighbor_param_neighlat">neighlat 194 195 196 197 198 199 200 201 202 </h4> 203 204 <div class="comments"></div> 205 206 207 208 209 210 211 <h3>Keywords</h3> 212 213 <h4 id="_neighbor_keyword_sphere">sphere 214 215 216 217 218 219 220 221 222 </h4> 223 224 <div class="comments"></div> 225 226 <h4 id="_neighbor_keyword_distance">distance 227 228 229 230 231 232 233 234 235 </h4> 236 237 <div class="comments"></div> 238 239 <h4 id="_neighbor_keyword_radians">radians 240 241 242 243 244 245 246 247 248 </h4> 249 250 <div class="comments"></div> 251 252 253 254 255 256 257 258 238 </div> 239 <h3>Version history</h3> 240 241 242 <h4>History</h4><div class="value"> 243 Sebastien Masson (smasson@lodyc.jussieu.fr) 244 October 2003</div> 259 245 260 246
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