Changeset 187 for trunk/SRC/Documentation/idldoc_assistant_output/ToBeReviewed/TRIANGULATION/definetri.html
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- 09/20/06 13:36:10 (18 years ago)
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trunk/SRC/Documentation/idldoc_assistant_output/ToBeReviewed/TRIANGULATION/definetri.html
r177 r187 66 66 the points are regulary-gridded on nx*ny array. 67 67 Find a Delaunay triangulation for this set of points is easy: 68 Points define (nx-1)*(ny-1) rectangles which we can cut in 2 69 triangles.cf. figure above68 Points define (nx-1)*(ny-1) rectangles which we can cut in 2 triangles. 69 cf. figure above 70 70 71 71 <pre style="font-family: Courier;"> 72 fixe 72 73 ny-1*---*---*. . . . . .*---*---* 73 74 | +| +| | +| +| … … 113 114 114 115 <h3>Return value</h3> 115 triangles is a 2d array and is dimensions are 3 and 116 2*(nx-1)*(ny-1) 117 triangles is define like in the TRIANGULATE procedure. 116 triangles is a 2d array and its dimensions are 3 and 2*(nx-1)*(ny-1). 117 triangles is defined like in the TRIANGULATE procedure. 118 118 119 119 … … 169 169 170 170 171 When downward is undefine all rectangles are cut 172 in using the upward diagonal. Downward is a vector which173 contains the rectangles numbers which are cut in using the174 downward diagonal.175 The rectangle number is define by the index (in a nx*ny176 vector) of thelower-left corner of the rectangle.171 When downward is undefine all rectangles are cut in using the upward 172 diagonal. 173 Downward is a vector which contains the rectangles numbers which are cut in 174 using the downward diagonal. 175 The rectangle number is defined by the index (in a nx*ny vector) of the 176 lower-left corner of the rectangle. 177 177 178 178 … … 183 183 <h3>Examples</h3> 184 184 185 triangles=definetri(3,3,[1,3])186 triangles will be athis kind of triangulation:185 IDL> triangles=definetri(3,3,[1,3]) 186 triangles will be this kind of triangulation: 187 187 188 188 *---*---* 189 190 191 189 |+ | +| 190 | + | + | 191 | +|+ | 192 192 *---*---* 193 194 195 193 | +|+ | 194 | + | + | 195 |+ | +| 196 196 *---*---* 197 197 … … 200 200 201 201 <h4>Version</h4> 202 $Id: definetri.pro 1 63 2006-08-29 12:59:46Z navarro$202 $Id: definetri.pro 186 2006-09-20 10:50:37Z pinsard $ 203 203 <h4>History</h4> 204 204 sebastien Masson (smlod@ipsl.jussieu.fr) … … 227 227 228 228 229 <p><font color="gray" size="-3"> Produced by IDLdoc 2.0 on Wed Sep 13 16:33:00 2006.</font></p>229 <p><font color="gray" size="-3"> Produced by IDLdoc 2.0.</font></p> 230 230 231 231 </body>
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