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9 | <title>neighbor.pro (SAXO Documentation)</title> |
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18 | parent.document.title="neighbor.pro (SAXO Documentation)"; |
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23 | <body onload="setTitle();"> |
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25 | <div id="navbar_title"> |
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26 | <h1>SAXO Documentation</h1> |
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27 | </div> |
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30 | <div id="main_navbar"> |
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31 | |
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32 | <table cellspacing="0"> |
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33 | <tr> |
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34 | |
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35 | <td><a href="./../overview.html" title="Overview of library">Overview</a></td> |
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36 | |
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37 | |
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38 | |
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39 | <td >Directory</td> |
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43 | <td><a href="./../idldoc-categories.html" title="Browse library by category">Categories</a></td> |
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47 | <td><a href="./../idldoc-index.html" title="Index of files, routines, and parameters">Index</a></td> |
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54 | <td id="selected">File</td> |
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55 | |
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56 | |
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57 | <td><a href="../../../Interpolation//neighbor.pro" title="Source code of a file">Source</a></td> |
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61 | <td><a href="./../idldoc-help.html" title="Help on IDLdoc">Help</a></td> |
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62 | |
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63 | |
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64 | <td >Etc</td> |
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65 | |
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66 | <td id="flexible">Developer documentation</td> |
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67 | </tr> |
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68 | </table> |
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70 | </div> |
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72 | <div id="secondary_navbar"> |
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73 | |
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74 | <a href="map_npoints.html"><<prev file</a> | <a href="quadrilateral2square.html">next file >></a> <a href="neighbor.html" target="_TOP">view single page</a> | <a href="./../index.html" target="_TOP">view frames</a> summary: fields | routine details: <a href="#routine_details">routine</a> |
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75 | |
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76 | </div> |
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77 | |
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78 | |
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79 | <div id="container"> |
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80 | |
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81 | <h1 class="directory"><a href="directory-overview.html">Interpolation/</a></h1> |
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82 | <h2 class="pro_file">neighbor.pro</h2> |
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83 | |
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84 | <div id="file_attr"> |
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85 | <dl> |
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86 | </dl> |
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87 | </div> |
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88 | |
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89 | <div id="file_comments"> |
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90 | find the closest point of (P0) within a list of np1 points |
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91 | P1 which can be on a sphere |
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92 | </div> |
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93 | |
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94 | |
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95 | |
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96 | |
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97 | |
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98 | |
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99 | |
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100 | |
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101 | |
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102 | <div id="routine_details"> |
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103 | |
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104 | |
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105 | <div class="routine_details" id="_neighbor"> |
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106 | |
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107 | <h2><a class="top" href="#container">top</a>neighbor <span class="categories"> |
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108 | Maps |
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109 | </span></h2> |
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110 | |
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111 | <p class="header"> |
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112 | <span class="result">result = </span>neighbor(<span class="result"><a href="#_neighbor_param_p0lon">p0lon</a>, <a href="#_neighbor_param_p0lat">p0lat</a>[, <a href="#_neighbor_param_neighlon">neighlon</a>][, <a href="#_neighbor_param_neighlat">neighlat</a>]</span>, <a href="#_neighbor_keyword_SPHERE">SPHERE</a>=<span class="result">SPHERE</span>, <a href="#_neighbor_keyword_DISTANCE">DISTANCE</a>=<span class="result">DISTANCE</span>, <a href="#_neighbor_keyword_RADIANS">RADIANS</a>=<span class="result">RADIANS</span>)</p> |
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113 | |
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114 | <div class="comments"> |
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115 | </div> |
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116 | |
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117 | <h3>Return value</h3><div class="preformat"> |
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118 | index giving the P1[index] point that is the closest point of (P0) |
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119 | </div> |
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120 | |
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121 | |
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122 | <h3>Parameters</h3> |
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123 | |
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124 | |
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125 | <h4 id="_neighbor_param_p0lon">p0lon |
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126 | <span class="attr">in</span> |
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127 | |
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128 | |
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129 | <span class="attr">required</span> |
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130 | |
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131 | <span class="attr">type:</span> <span class="value">scalar</span> |
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132 | |
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133 | |
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134 | </h4> |
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135 | |
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136 | <div class="comments"> |
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137 | longitudes of point P0. |
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138 | </div> |
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139 | |
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140 | <h4 id="_neighbor_param_p0lat">p0lat |
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141 | <span class="attr">in</span> |
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142 | |
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143 | |
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144 | <span class="attr">required</span> |
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145 | |
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146 | <span class="attr">type:</span> <span class="value">scalar</span> |
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147 | |
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148 | |
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149 | </h4> |
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150 | |
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151 | <div class="comments"> |
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152 | latitudes of point P0. |
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153 | </div> |
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154 | |
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155 | <h4 id="_neighbor_param_neighlon">neighlon |
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156 | <span class="attr">in</span> |
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157 | |
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158 | <span class="attr">optional</span> |
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159 | |
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160 | |
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161 | |
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162 | |
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163 | |
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164 | </h4> |
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165 | |
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166 | <div class="comments"> |
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167 | </div> |
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168 | |
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169 | <h4 id="_neighbor_param_neighlat">neighlat |
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170 | <span class="attr">in</span> |
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171 | |
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172 | <span class="attr">optional</span> |
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173 | |
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174 | |
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175 | |
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176 | |
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177 | |
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178 | </h4> |
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179 | |
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180 | <div class="comments"> |
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181 | </div> |
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182 | |
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183 | |
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184 | |
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185 | |
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186 | |
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187 | |
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188 | <h3>Keywords</h3> |
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189 | |
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190 | <h4 id="_neighbor_keyword_SPHERE">SPHERE |
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191 | |
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192 | |
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193 | |
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194 | |
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195 | |
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196 | |
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197 | |
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198 | |
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199 | </h4> |
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200 | |
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201 | <div class="comments"> |
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202 | to activate if points are located on a sphere. |
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203 | </div> |
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204 | |
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205 | <h4 id="_neighbor_keyword_DISTANCE">DISTANCE |
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206 | |
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207 | |
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208 | |
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209 | |
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210 | |
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211 | |
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212 | |
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213 | |
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214 | </h4> |
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215 | |
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216 | <div class="comments"> |
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217 | dis, to get back the distances between P0 and the np1 points P1 in the |
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218 | variable dis. |
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219 | </div> |
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220 | |
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221 | <h4 id="_neighbor_keyword_RADIANS">RADIANS |
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222 | |
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223 | |
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224 | |
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225 | |
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226 | |
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227 | |
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228 | |
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229 | |
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230 | </h4> |
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231 | |
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232 | <div class="comments"> |
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233 | if set, inputs and angular outputs are in radians, otherwise degrees. |
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234 | </div> |
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235 | |
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236 | |
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237 | |
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238 | <h3>Examples</h3><div class="preformat"> |
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239 | IDL> print, neighbor(-105.15,40.02,[-0.07,100,50],[51.30,20,0], $ |
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240 | IDL> distance=dis) |
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241 | 0 |
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242 | IDL> print, dis |
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243 | 105.684 206.125 160.228 |
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244 | </div> |
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245 | <h3>Version history</h3> |
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246 | |
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247 | <h4>Version</h4><div class="preformat"> |
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248 | $Id: neighbor.pro 327 2007-12-13 16:22:35Z pinsard $ |
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249 | </div> |
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250 | <h4>History</h4><div class="preformat"> |
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251 | Sebastien Masson (smasson@lodyc.jussieu.fr) |
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252 | October 2003 |
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253 | </div> |
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254 | |
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268 | |
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269 | |
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270 | <h3>Statistics</h3> |
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271 | <table class="statistics"> |
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272 | <tr><td>McCabe cyclic</td><td> 7</td></tr> |
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273 | <tr><td>McCabe essential</td><td> 1</td></tr> |
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274 | <tr><td>McCabe modular design</td><td> 1</td></tr> |
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275 | </table> |
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276 | |
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277 | |
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278 | </div> |
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279 | |
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280 | </div> |
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283 | |
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284 | <div id="tagline">Produced by IDLdoc 2.0.</div> |
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286 | </div> |
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287 | |
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288 | </body> |
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289 | </html> |
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