- Timestamp:
- 03/21/07 10:14:37 (17 years ago)
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trunk/SRC/Documentation/idldoc_html_output/Computation/div.html
r200 r234 133 133 </h4> 134 134 135 <div class="comments"> 135 <div class="comments"> 136 136 Matrix representing the zonal coordinates (U point) of a field of vectors 137 137 A 2D (xy), 3D (xyz or yt) or a structure readable by litchamp and containing 138 138 a 2D (xy), 3D (xyz or yt) array (4d case is not coded yet). 139 note that the dimension of the arr y must suit the domain dimension.139 note that the dimension of the array must suit the domain dimension. 140 140 </div> 141 141 … … 151 151 </h4> 152 152 153 <div class="comments"> 153 <div class="comments"> 154 154 Matrix representing the meridional coordinates (V point) of a field of vectors 155 155 A 2D (xy), 3D (xyz or yt) or a structure readable by litchamp and containing 156 156 a 2D (xy), 3D (xyz or yt) array (4d case is not coded yet). 157 note that the dimension of the arr y must suit the domain dimension.157 note that the dimension of the array must suit the domain dimension. 158 158 </div> 159 159 … … 190 190 191 191 <h4>Version</h4><div class="preformat"> 192 $Id: div.pro 168 2006-09-06 10:46:29Z pinsard $192 $Id: div.pro 231 2007-03-19 17:15:51Z pinsard $ 193 193 </div> 194 194 <h4>History</h4><div class="preformat"> … … 202 202 203 203 204 <h4>Todo items</h4><div class="preformat"> 204 <h4>Todo items</h4><div class="preformat"> 205 205 code the 4d case</div> 206 206 <h4>Restrictions</h4><div class="preformat"> 207 207 208 - Works only for Arakawa C-grid. 208 - Works only for Arakawa C-grid. 209 209 - UU must be on U grid, VV must be on V grid 210 210 - 4d case is not coded yet 211 211 - the common variable jpt is used to differ xyz (jpt=1) and xyt (jpt=1) cases. 212 - U and V arrays are cut in the same geographic domain. Because of the shift between 213 T, U, V and F grids, it is possible that these two arrays do not have the same 214 size and refer to different indexes. In this case, arrays are re-cut on 215 common indexes. To avoid these re-cuts, use the keyword /memeindice in domdef.pro 212 - U and V arrays are cut in the same geographic domain. Because of the shift between 213 T, U, V and F grids, it is possible that these two arrays do not have the same 214 size and refer to different indexes. In this case, arrays are re-cut on 215 common indexes. To avoid these re-cuts, use the keyword /memeindice in 216 <a href=".//../../ToBeReviewed/GRILLE/domdef.html">domdef</a> 216 217 - When computing the divergence, we update, vargrid, varname, varunits and the 217 218 grid position parameters (firstxt, lastxt, nxt, firstyt, lastyt, nyt). 218 - points that cannot be computed (domain bo ndaries, coastline) are set to NaN219 - points that cannot be computed (domain boundaries, coastline) are set to NaN 219 220 </div> 220 221 … … 223 224 224 225 <h4>Uses routines</h4><div class="preformat"> 225 cm_4cal, cm_4data, cm_4mmesh 226 cm_4cal, cm_4data, cm_4mmesh 226 227 </div> 227 228
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