- Timestamp:
- 04/06/07 10:35:17 (17 years ago)
- Location:
- trunk/SRC/Documentation/idldoc_assistant_output/Interpolation
- Files:
-
- 23 edited
Legend:
- Unmodified
- Added
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trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/angle.html
r234 r242 64 64 north stereographic polar projection 65 65 66 66 67 Compute angles between grid lines and direction of the North pole 67 68 (fom angle.F,v 2.2 in OPA8.2) … … 80 81 81 82 83 82 84 83 85 … … 252 254 253 255 <h4>Version</h4> 254 $Id: angle.pro 232 2007-03-20 16:59:36Z pinsard $ 256 $Id: angle.pro 238 2007-03-27 13:43:18Z pinsard $ 257 255 258 <h4>History</h4> 256 259 Original : 96-07 (O. Marti) -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/clickincell.html
r234 r242 105 105 106 106 107 = 'T', 'W', 'U', 'V' or 'F' This this the type of point 107 = 'T', 'W', 'U', 'V' or 'F' 108 the type of point 108 109 that is located in the center of the cell which the click is 109 110 located. default is T type of cell (with corner defined by F … … 174 175 175 176 176 see outputs177 see returns 177 178 178 179 … … 190 191 191 192 192 Used to pass extra keywords to <a href=".//inquad.html">inquad</a> and 193 Used to pass extra keywords to <a href=".//inquad.html">inquad</a> and 193 194 <proidl>plot</proidl> 194 195 (when /drawcell) … … 209 210 210 211 <h4>Version</h4> 211 $Id: clickincell.pro 23 2 2007-03-20 16:59:36Z pinsard $212 $Id: clickincell.pro 238 2007-03-27 13:43:18Z pinsard $ 212 213 213 214 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/compute_fromirr_bilinear_weigaddr.html
r234 r242 235 235 236 236 <h4>Version</h4> 237 $Id: compute_fromirr_bilinear_weigaddr.pro 23 2 2007-03-20 16:59:36Z pinsard $237 $Id: compute_fromirr_bilinear_weigaddr.pro 238 2007-03-27 13:43:18Z pinsard $ 238 238 239 239 <h4>History</h4> … … 257 257 and the weight is redistributed on the remaining "water" corners 258 258 - points located out of the southern and northern boundaries or in cells 259 containing only land points are set the thesame value as their closest neighbor259 containing only land points are set the same value as their closest neighbor 260 260 261 261 -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/compute_fromreg_bilinear_weigaddr.html
r234 r242 236 236 237 237 <h4>Version</h4> 238 $Id: compute_fromreg_bilinear_weigaddr.pro 23 2 2007-03-20 16:59:36Z pinsard $238 $Id: compute_fromreg_bilinear_weigaddr.pro 238 2007-03-27 13:43:18Z pinsard $ 239 239 240 240 <h4>History</h4> … … 249 249 <h4>Restrictions</h4> 250 250 - the input grid must be a "regular grid", defined as a grid for which each 251 longitude s lines have the same latitude and each latitudescolumns have the251 longitude lines have the same latitude and each latitude columns have the 252 252 same longitude. 253 253 - We supposed the data are located on a sphere, with a periodicity along -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/compute_fromreg_imoms3_weigaddr.html
r234 r242 236 236 237 237 <h4>Version</h4> 238 $Id: compute_fromreg_imoms3_weigaddr.pro 23 1 2007-03-19 17:15:51Z pinsard $238 $Id: compute_fromreg_imoms3_weigaddr.pro 238 2007-03-27 13:43:18Z pinsard $ 239 239 240 240 <h4>History</h4> … … 250 250 <h4>Restrictions</h4> 251 251 - the input grid must be a "regular/rectangular grid", defined as a grid for 252 which each longitude s lines have the same latitude and each latitudescolumns252 which each longitude lines have the same latitude and each latitude columns 253 253 have the same longitude. 254 254 - We supposed the data are located on a sphere, with a periodicity along -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/cutpar.html
r234 r242 209 209 210 210 1d arrays of p elements, giving the edge positions. 211 The edges must be given as in plot to draw the parallelogram. (see example). 211 The edges must be given as in <proidl>plot</proidl> to draw the 212 parallelogram. (see example). 212 213 213 214 … … 248 249 249 250 250 see outputs251 see returns 251 252 252 253 … … 265 266 266 267 to specify that the points are located on a 267 sphere. In this case, x and y correspond sto longitude and268 sphere. In this case, x and y correspond to longitude and 268 269 latitude in degrees. 269 270 -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/cutsegment.html
r234 r242 187 187 188 188 189 see outputs189 see returns 190 190 191 191 … … 204 204 205 205 to specify that the points are located on a sphere. 206 In this case, x and y correspond sto longitude and latitude in degrees.206 In this case, x and y correspond to longitude and latitude in degrees. 207 207 208 208 … … 210 210 211 211 <h3>Examples</h3><pre> 212 213 212 IDL> x0=[2,5] 214 213 IDL> y0=[5,1] -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/extrapolate.html
r234 r242 62 62 63 63 64 extrapolate data (zinput) where maskinput eq 0 by filling step by64 extrapolate data (zinput) where maskinput equal 0 by filling step by 65 65 step the coastline points with the mean value of the 8 neighbourgs 66 66 (weighted by their mask value). … … 81 81 82 82 83 <h3>Return value</h3> {type=2d array}84 the extrapolated array83 <h3>Return value</h3> 84 the extrapolated 2d array 85 85 86 86 … … 137 137 138 138 139 Maximum number if iterations done in the extrapolation process. If there139 Maximum number of iterations done in the extrapolation process. If there 140 140 is no more masked values we exit extrapolate before reaching nb_iteration 141 141 (to be sure to fill everything, you can use a very large value) … … 225 225 226 226 <h4>Version</h4> 227 $Id: extrapolate.pro 23 2 2007-03-20 16:59:36Z pinsard $227 $Id: extrapolate.pro 238 2007-03-27 13:43:18Z pinsard $ 228 228 229 229 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/extrapsmooth.html
r234 r242 62 62 63 63 64 similar to extrapolate but could to the job in a better way because the 65 extrapolated values are smoothed... takes more time than extrapolate. 66 extrapolate data where mskin eq 0 by filling 64 similar to <a href=".//extrapolate.html">extrapolate</a> but could to the job in a better way 65 because the extrapolated values are smoothed... 66 takes more time than <a href=".//extrapolate.html">extrapolate</a>. 67 extrapolate data where mskin is equal 0 by filling 67 68 step by step the coastline points with the mean value of the 8 neighbourgs. 68 69 … … 204 205 205 206 <h4>Version</h4> 206 $Id: extrapsmooth.pro 23 2 2007-03-20 16:59:36Z pinsard $207 $Id: extrapsmooth.pro 238 2007-03-27 13:43:18Z pinsard $ 207 208 <h4>History</h4> 208 209 January 2007: Sebastien Masson (smasson@lodyc.jussieu.fr) -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/fromirr.html
r234 r242 101 101 102 102 103 a string definingthe interpolation method. must be 'bilinear'103 the interpolation method. must be 'bilinear' 104 104 105 105 … … 118 118 119 119 120 a 2D arraythe input data to interpolate120 the input data to interpolate 121 121 122 122 … … 135 135 136 136 137 a 2D array definingthe longitude of the input data137 the longitude of the input data 138 138 139 139 … … 152 152 153 153 154 a 2D array definingthe latitude of the input data.154 the latitude of the input data. 155 155 156 156 … … 187 187 188 188 189 1D or 2D array definingthe longitude of the output data.189 the longitude of the output data. 190 190 191 191 … … 204 204 205 205 206 1D or 2D array definingthe latitude of the output data.206 the latitude of the output data. 207 207 208 208 … … 289 289 IDL> help, a, b 290 290 291 2) use a and b that are now defined to bypass the computation of the weights and addresses292 and speed-up the computation!291 2) use a and b that are now defined to bypass the computation of the weights 292 and addresses and speed-up the computation! 293 293 294 294 IDL> t2ncep = fromirr('bilinear', topa, WEIG = a, ADDR = b) … … 297 297 298 298 <h4>Version</h4> 299 $Id: fromirr.pro 23 1 2007-03-19 17:15:51Z pinsard $299 $Id: fromirr.pro 238 2007-03-27 13:43:18Z pinsard $ 300 300 301 301 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/fromreg.html
r234 r242 64 64 interpolate data from a "regular/rectangular grid" to any grid. 65 65 2 methods available: bilinear and imoms3 66 A "regular/rectangular grid" is defined as a grid for which each longitudes lines have 67 the same latitude and each latitudes columns have the same longitude. 66 A "regular/rectangular grid" is defined as a grid for which 67 each longitude lines have the same latitude and each latitude columns 68 have the same longitude. 68 69 69 70 … … 103 104 104 105 105 a string definingthe interpolation method.106 the interpolation method. 106 107 must be 'bilinear' or 'imoms3' 107 108 … … 121 122 122 123 123 a 2D arraythe input data to interpolate124 the input data to interpolate 124 125 125 126 … … 138 139 139 140 140 1D or 2D array definingthe longitude of the input data141 the longitude of the input data 141 142 142 143 … … 155 156 156 157 157 1D or 2D array definingthe latitude of the input data158 the latitude of the input data 158 159 159 160 … … 172 173 173 174 174 1D or 2D array definingthe longitude of the output data175 the longitude of the output data 175 176 176 177 … … 189 190 190 191 191 1D or 2D array definingthe latitude of the output data192 the latitude of the output data 192 193 193 194 … … 284 285 285 286 1) get back the weights and addresses in variables a and b 286 (that must be undefined or equal to 0 before calling fromreg )287 (that must be undefined or equal to 0 before calling fromreg 287 288 288 289 IDL> t1opa = fromreg('bilinear', t1ncep, xncep, yncep, glamt, gphit, WEIG = a, ADDR = b) … … 297 298 298 299 <h4>Version</h4> 299 $Id: fromreg.pro 23 1 2007-03-19 17:15:51Z pinsard $300 $Id: fromreg.pro 238 2007-03-27 13:43:18Z pinsard $ 300 301 301 302 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/get_gridparams.html
r234 r242 66 66 67 67 or 68 2) given longitude and latitude arrays get their dimensions and make68 2) given longitude and latitude arrays, get their dimensions and make 69 69 sure they are 1D or 2D arrays 70 70 … … 104 104 105 105 Case 1: the name of the netcdf file 106 Case 2: 1d or 2 Darrays defining longitudes and latitudes.106 Case 2: 1d or 2d arrays defining longitudes and latitudes. 107 107 Out: the variable that will contain the longitudes 108 108 … … 123 123 124 124 Case 1: the name of the variable that contains the longitude in the NetCDF file 125 Case 2: 1d or 2 Darrays defining longitudes and latitudes.125 Case 2: 1d or 2d arrays defining longitudes and latitudes. 126 126 Note that these arrays are also outputs and can therefore be modified. 127 127 Out: the variable that will contain the latitudes … … 181 181 Case 2: 1 or 2 to specify if lon and lat should be 1D (jpi or jpj) 182 182 arrays or 2D arrays (jpi,jpj). Note that of n_dimensions = 1, then the 183 grid must be regular (each longitude smust be the same for all latitudes184 and each latitude sshould be the same for all longitudes).183 grid must be regular (each longitude must be the same for all latitudes 184 and each latitude should be the same for all longitudes). 185 185 186 186 … … 270 270 IDL> get_gridparams, lon, lat, jpi, jpj, n_dimensions 271 271 272 1)273 272 274 273 … … 281 280 282 281 <h4>Version</h4> 283 $Id: get_gridparams.pro 23 1 2007-03-19 17:15:51Z pinsard $282 $Id: get_gridparams.pro 238 2007-03-27 13:43:18Z pinsard $ 284 283 285 284 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/imoms3.html
r234 r242 75 75 76 76 77 78 77 79 78 -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/inquad.html
r234 r242 80 80 81 81 <h3>Return value</h3> 82 a n element vector. Where n is the number of elements of82 a n elements vector where n is the number of elements of 83 83 x. res[i]=j means that the point number i is located in the 84 84 quadrilateral number j with (0 <= j <= n_elements(x0)-1) … … 300 300 301 301 the zoom (circle centered on the (x,y) with a radius of 302 zoomradius degree where we look for the thequadrilateral which302 zoomradius degree where we look for the quadrilateral which 303 303 contains the (x,y) point) used for the satellite projection 304 304 when /ONSPHERE is activated. … … 363 363 364 364 <h4>Version</h4> 365 $Id: inquad.pro 2 32 2007-03-20 16:59:36Z pinsard $365 $Id: inquad.pro 240 2007-03-28 12:17:24Z pinsard $ 366 366 367 367 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/inrecgrid.html
r234 r242 72 72 <a name="#_inrecgrid"></a> 73 73 74 <h2>inrecgrid <font size="-1" color="#006633"> 74 <h2>inrecgrid <font size="-1" color="#006633"> 75 75 Without loop 76 76 </font></h2> … … 215 215 216 216 <h4>Version</h4> 217 $Id: inrecgrid.pro 23 1 2007-03-19 17:15:51Z pinsard $217 $Id: inrecgrid.pro 238 2007-03-27 13:43:18Z pinsard $ 218 218 219 219 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/ll_narcs_distances.html
r234 r242 64 64 This function returns the longitude and latitude [lon, lat] of 65 65 a point a given arc distance (-pi <= Arc_Dist <= pi), and azimuth (Az), 66 from a specified location Lon0, lat0.67 Same as LL_ARC_DISTANCEbut for n points without do loop.66 from a specified location Lon0, Lat0. 67 Same as <proidl>LL_ARC_DISTANCE</proidl> but for n points without do loop. 68 68 69 69 Formula from Map Projections - a working manual. USGS paper … … 76 76 <a name="#_ll_narcs_distances"></a> 77 77 78 <h2>ll_narcs_distances <font size="-1" color="#006633"> 78 <h2>ll_narcs_distances <font size="-1" color="#006633"> 79 79 Mapping, geography 80 80 </font></h2> … … 86 86 87 87 <h3>Return value</h3> 88 a (2, 88 a (2,n) array containing the longitude/latitude of the resulting points. 89 89 Values are in radians unless the keyword DEGREES is set. 90 90 … … 215 215 216 216 <h4>Version</h4> 217 $Id: ll_narcs_distances.pro 23 1 2007-03-19 17:15:51Z pinsard $217 $Id: ll_narcs_distances.pro 238 2007-03-27 13:43:18Z pinsard $ 218 218 219 219 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/map_npoints.html
r234 r242 66 66 returns the distances between number n of P0 points and number 67 67 n of P1 points (in that case, np0 and np1 must be equal). 68 Same as map_2points with the meter parameter but for n points69 without do loop.68 Same as <proidl>map_2points</proidl> with the meter parameter but for n 69 points without do loop. 70 70 71 71 … … 88 88 points P0 and np1 points P1. Element (i,j) of the output is the 89 89 distance between element P0[i] and P1[j]. 90 If keyword /TWO_BY_TWO is given then Map_nPointsreturns91 an np-element vector giving the distance in meter between P0[i]90 If keyword /TWO_BY_TWO is given then <a href=".//map_npoints.html">map_npoints</a> returns 91 an np-elements vector giving the distance in meter between P0[i] 92 92 and P1[i] (in that case, we have np0 = np1 = np) ; if /MIDDLE see this keyword. 93 93 … … 245 245 246 246 247 If given, then Map_nPoints returns the distances between number n of248 P0 points and number n of P1 points247 If given, then <a href=".//map_npoints.html">map_npoints</a> returns the distances between 248 number n of P0 points and number n of P1 pointsi. 249 249 In that case, np0 and np1 must be equal. 250 250 … … 301 301 302 302 <h4>Version</h4> 303 $Id: map_npoints.pro 23 1 2007-03-19 17:15:51Z pinsard $303 $Id: map_npoints.pro 238 2007-03-27 13:43:18Z pinsard $ 304 304 305 305 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/neighbor.html
r234 r242 62 62 63 63 64 find the close test point of (P0) within a list of np1 points65 P1 Which can be on a sphere64 find the closest point of (P0) within a list of np1 points 65 P1 which can be on a sphere 66 66 67 67 … … 75 75 </font></h2> 76 76 77 <p><font face="Courier"><i>result = </i>neighbor(<i><a href="#_neighbor_keyword_p0lon">p0lon</a>, <a href="#_neighbor_keyword_p0lat">p0lat</a>[, <a href="#_neighbor_keyword_neighlon">neighlon</a>][, <a href="#_neighbor_keyword_neighlat">neighlat</a>]</i>, <a href="#_neighbor_keyword_ sphere">sphere</a>=<i>sphere</i>, <a href="#_neighbor_keyword_distance">distance</a>=<i>distance</i>, <a href="#_neighbor_keyword_radians">radians</a>=<i>radians</i>)</font></p>77 <p><font face="Courier"><i>result = </i>neighbor(<i><a href="#_neighbor_keyword_p0lon">p0lon</a>, <a href="#_neighbor_keyword_p0lat">p0lat</a>[, <a href="#_neighbor_keyword_neighlon">neighlon</a>][, <a href="#_neighbor_keyword_neighlat">neighlat</a>]</i>, <a href="#_neighbor_keyword_SPHERE">SPHERE</a>=<i>SPHERE</i>, <a href="#_neighbor_keyword_DISTANCE">DISTANCE</a>=<i>DISTANCE</i>, <a href="#_neighbor_keyword_RADIANS">RADIANS</a>=<i>RADIANS</i>)</font></p> 78 78 79 79 … … 95 95 <font size="-1" color="#006633">required</font> 96 96 97 98 99 100 </h4> 101 102 103 scalar.longitudes of point P0.97 <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar</i></font> 98 99 100 </h4> 101 102 103 longitudes of point P0. 104 104 105 105 … … 112 112 <font size="-1" color="#006633">required</font> 113 113 114 115 116 117 </h4> 118 119 120 scalar.latitudes of point P0.114 <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar</i></font> 115 116 117 </h4> 118 119 120 latitudes of point P0. 121 121 122 122 … … 159 159 160 160 161 <a name="#_neighbor_keyword_sphere"></a> 162 <h4>sphere 163 164 165 166 167 168 169 170 171 </h4> 172 173 to activate if points are located on a sphere. 174 175 176 <a name="#_neighbor_keyword_distance"></a> 177 <h4>distance 161 <a name="#_neighbor_keyword_SPHERE"></a> 162 <h4>SPHERE 163 164 165 166 167 168 169 170 171 </h4> 172 173 174 to activate if points are located on a sphere. 175 176 177 <a name="#_neighbor_keyword_DISTANCE"></a> 178 <h4>DISTANCE 178 179 179 180 … … 191 192 192 193 193 <a name="#_neighbor_keyword_ radians"></a>194 <h4> radians 194 <a name="#_neighbor_keyword_RADIANS"></a> 195 <h4>RADIANS 195 196 196 197 … … 219 220 220 221 <h4>Version</h4> 221 $Id: neighbor.pro 23 1 2007-03-19 17:15:51Z pinsard $222 $Id: neighbor.pro 238 2007-03-27 13:43:18Z pinsard $ 222 223 223 224 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/quadrilateral2square.html
r234 r242 90 90 91 91 <h3>Return value</h3> 92 93 (2,n) array: the new coordinates (xout, yout) of the (xin,yin) point(s) after 92 (2,n) array: the new coordinates (xout,yout) of the (xin,yin) point(s) after 94 93 mapping. 95 94 If xin is a scalar, then n is equal to the number of elements of x0. 96 If xin is an array 95 If xin is an array, then n is equal to the number of elements of xin. 97 96 98 97 … … 299 298 300 299 <h4>Version</h4> 301 $Id: quadrilateral2square.pro 23 1 2007-03-19 17:15:51Z pinsard $300 $Id: quadrilateral2square.pro 238 2007-03-27 13:43:18Z pinsard $ 302 301 303 302 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/spl_fstdrv.html
r234 r242 62 62 63 63 64 SPL_FSTDRVreturns the values of the first derivative of64 returns the values of the first derivative of 65 65 the interpolating function at the points X2i. It is a double 66 66 precision array. 67 67 68 68 Given the arrays X and Y, which tabulate a function (with the X[i] 69 ANDY[i] in ascending order), and given an input value X2, the70 SPL_INCR function returns an interpolated value for the given values71 of X2. The interpolation method is based on cubic spline, corrected72 in a way that interpolated value are also in ascending order 69 and Y[i] in ascending order), and given an input value X2, the 70 <a href=".//spl_incr.html">spl_incr</a> function returns an interpolated value for the given 71 values of X2. The interpolation method is based on cubic spline, corrected 72 in a way that interpolated value are also in ascending order. 73 73 74 74 … … 106 106 107 107 108 An n-element (at least 2) input vector that specifies the108 An n-elements (at least 2) input vector that specifies the 109 109 tabulate points in ascending order. 110 110 … … 124 124 125 125 126 f(x) = y. An n-element input vector that specifies the values126 f(x) = y. An n-elements input vector that specifies the values 127 127 of the tabulated function F(Xi) corresponding to Xi. 128 128 … … 142 142 143 143 144 The output from SPL_INITfor the specified X and Y.144 The output from <proidl>SPL_INIT</pro> for the specified X and Y. 145 145 146 146 … … 153 153 <font size="-1" color="#006633">required</font> 154 154 155 155 <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i> scalar or array</i></font> 156 156 157 157 … … 160 160 161 161 The input values for which the first derivative values are desired. 162 X can be scalar or an array of values.163 162 164 163 … … 173 172 174 173 <h4>Version</h4> 175 $Id: spl_fstdrv.pro 23 1 2007-03-19 17:15:51Z pinsard $174 $Id: spl_fstdrv.pro 238 2007-03-27 13:43:18Z pinsard $ 176 175 177 176 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/spl_incr.html
r234 r242 62 62 63 63 64 65 64 Given the arrays X and Y, which tabulate a function (with the X[i] 66 65 AND Y[i] in ascending order), and given an input value X2, the 67 SPL_INCRfunction returns an interpolated value for the given values66 spl_incr function returns an interpolated value for the given values 68 67 of X2. The interpolation method is based on cubic spline, corrected 69 68 in a way that interpolated values are also monotonically increasing. … … 79 78 80 79 <dt><a href="#_pure_convex"><i>result = </i>pure_convex(<i>x1, x2, y1, y2, der2, x</i>)</a><dt> 81 <dd><font size="-1"> </font></dd>80 <dd><font size="-1"> </font></dd> 82 81 83 82 <dt><a href="#_spl_incr"><i>result = </i>spl_incr(<i>x, y, x2</i>, YP0=<i>YP0</i>, YPN_1=<i>YPN_1</i>)</a><dt> 84 <dd><font size="-1"> </font></dd>83 <dd><font size="-1"> </font></dd> 85 84 86 85 </dl> … … 100 99 101 100 <h3>Return value</h3> 102 103 y2: f(x2) = y2. Double precision array 101 y2: f(x2) = y2. Double precision array 104 102 105 103 … … 121 119 122 120 123 An n-element (at least 2) input vector that specifies the tabulate points in121 An n-elements (at least 2) input vector that specifies the tabulate points in 124 122 a strict ascending order. 125 123 … … 157 155 158 156 159 f(x) = y. An n-element input vector that specifies the values157 f(x) = y. An n-elements input vector that specifies the values 160 158 of the tabulated function F(Xi) corresponding to Xi. As f is 161 159 supposed to be monotonically increasing, y values must be … … 215 213 216 214 <h3>Examples</h3><pre> 217 218 215 IDL> n = 100L 219 216 IDL> x = (dindgen(n))^2 … … 238 235 239 236 <h4>Version</h4> 240 $Id: spl_incr.pro 23 1 2007-03-19 17:15:51Z pinsard $237 $Id: spl_incr.pro 238 2007-03-27 13:43:18Z pinsard $ 241 238 242 239 <h4>History</h4> … … 273 270 274 271 272 275 273 276 274 … … 292 290 293 291 294 An n-element (at least 2) input vector that specifies the tabulate points in292 An n-elements (at least 2) input vector that specifies the tabulate points in 295 293 a strict ascending order. 296 294 … … 328 326 329 327 330 f(x) = y. An n-element input vector that specifies the values328 f(x) = y. An n-elements input vector that specifies the values 331 329 of the tabulated function F(Xi) corresponding to Xi. As f is 332 330 supposed to be monotonically increasing, y values must be … … 363 361 364 362 363 365 364 366 365 … … 416 415 417 416 417 418 418 419 419 … … 484 484 </h4> 485 485 486 The first derivative of the interpolating function at the 486 487 The first derivative of the interpolating function at the 487 488 point X0. If YP0 is omitted, the second derivative at the 488 489 boundary is set to zero, resulting in a "natural spline." 490 489 491 490 492 <a name="#_spl_incr_keyword_YPN_1"></a> … … 500 502 </h4> 501 503 502 The first derivative of the interpolating function at the 504 505 The first derivative of the interpolating function at the 503 506 point Xn-1. If YPN_1 is omitted, the second derivative at the 504 507 boundary is set to zero, resulting in a "natural spline." -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/spl_keep_mean.html
r234 r242 62 62 63 63 64 65 64 Given the arrays X and Y, which tabulate a function (with the X[i] 66 65 AND Y[i] in ascending order), and given an input value X2, the 67 SPL_INCRfunction returns an interpolated value for the given values66 <a href=".//spl_incr.html">spl_incr</a> function returns an interpolated value for the given values 68 67 of X2. The interpolation method is based on cubic spline, corrected 69 68 in a way that integral of the interpolated values is the same as the … … 107 106 108 107 109 An n-element (at least 2) input vector that specifies the tabulate points in108 An n-elements (at least 2) input vector that specifies the tabulate points in 110 109 a strict ascending order. 111 110 … … 233 232 234 233 <h4>Version</h4> 235 $Id: spl_keep_mean.pro 23 2 2007-03-20 16:59:36Z pinsard $234 $Id: spl_keep_mean.pro 238 2007-03-27 13:43:18Z pinsard $ 236 235 237 236 <h4>History</h4> -
trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/square2quadrilateral.html
r234 r242 88 88 89 89 <h3>Return value</h3> 90 (2,n) array: the new coordinates (xout, 90 (2,n) array: the new coordinates (xout,yout) of the (xin,yin) 91 91 point(s) after mapping. 92 92 If xin is a scalar, then n is equal to the number of elements of 93 93 x0. If xin is an array , then n is equal to the number of 94 94 elements of xin. 95 If xin and yin are omited, square2quadrilateralreturns the95 If xin and yin are omited, <a href=".//square2quadrilateral.html">square2quadrilateral</a> returns the 96 96 matrix A which is used for the inverse transformation. 97 97 … … 223 223 Can be scalar or array. 224 224 (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are given in the anticlockwise order. 225 226 225 227 226 … … 274 273 275 274 <h4>Version</h4> 276 $Id: square2quadrilateral.pro 23 1 2007-03-19 17:15:51Z pinsard $275 $Id: square2quadrilateral.pro 238 2007-03-27 13:43:18Z pinsard $ 277 276 278 277 <h4>History</h4>
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