[2] | 1 | ;------------------------------------------------------------ |
---|
| 2 | ;------------------------------------------------------------ |
---|
| 3 | ;------------------------------------------------------------ |
---|
| 4 | ;+ |
---|
| 5 | ; NAME: interpolation.pro |
---|
| 6 | ; |
---|
| 7 | ; PURPOSE: Interpolates data from a regular origin grid to any grid |
---|
| 8 | ; |
---|
| 9 | ; CATEGORY: Program |
---|
| 10 | ; |
---|
| 11 | ; CALLING SEQUENCE: interpolation |
---|
| 12 | ; |
---|
| 13 | ; INPUTS: Complete the INIT_PATH and NAMINTERP files |
---|
| 14 | ; |
---|
| 15 | ; KEYWORD PARAMETERS: None |
---|
| 16 | ; |
---|
| 17 | ; OUTPUTS: NetCDF file(s) containing the interpolated field |
---|
| 18 | ; |
---|
| 19 | ; COMMON BLOCKS: |
---|
| 20 | ; common_interp.pro |
---|
| 21 | ; |
---|
| 22 | ; SIDE EFFECTS: |
---|
| 23 | ; |
---|
| 24 | ; RESTRICTIONS: |
---|
| 25 | ; |
---|
| 26 | ; EXAMPLE: |
---|
| 27 | ; |
---|
| 28 | ; MODIFICATION HISTORY: 11/99 A. Jouzeau |
---|
| 29 | ; 08/00 A. Jouzeau |
---|
| 30 | ; 01/02 R. Hordoir |
---|
| 31 | ; 03/2003 R. Hordoir & C. Ethe |
---|
| 32 | ; |
---|
| 33 | ;- |
---|
| 34 | ;------------------------------------------------------------ |
---|
| 35 | ;------------------------------------------------------------ |
---|
| 36 | ;------------------------------------------------------------ |
---|
| 37 | PRO interpolation |
---|
| 38 | @common_interp |
---|
| 39 | tempsun = systime(1) ; pour key_performance |
---|
| 40 | print,'***********************************************' |
---|
| 41 | print,'********** OPA INTERPOLATION PACKAGE **********' |
---|
| 42 | print,'***********************************************' |
---|
| 43 | ; |
---|
| 44 | unit = 40 |
---|
| 45 | openw, unit, 'interp_output' |
---|
| 46 | ; |
---|
| 47 | printf, 40, '*******************************************' |
---|
| 48 | printf, 40, '* INTERPOLATION PROGRAM *' |
---|
| 49 | printf, 40, '*******************************************' |
---|
| 50 | printf, 40, '' |
---|
| 51 | printf, 40, '******************************************' |
---|
| 52 | printf, 40, '* USE : *' |
---|
| 53 | printf, 40, '* --> Input grid : Regular *' |
---|
| 54 | printf, 40, '* --> Output grid : Regular or Irregular *' |
---|
| 55 | printf, 40, '******************************************' |
---|
| 56 | ; |
---|
| 57 | ;-------------------------------------------------- |
---|
| 58 | ; INITIALISATIONS * |
---|
| 59 | ;-------------------------------------------------- |
---|
| 60 | ; |
---|
| 61 | printf, 40, '' |
---|
| 62 | printf, 40, 'I- Interpolation initialisations' |
---|
| 63 | printf, 40, '================================' |
---|
| 64 | ; |
---|
| 65 | @naminterp |
---|
| 66 | ; |
---|
| 67 | printf, 40, '' |
---|
| 68 | printf, 40, 'II- Paths initialisations' |
---|
| 69 | printf, 40, '=========================' |
---|
| 70 | ; |
---|
| 71 | @init_path |
---|
| 72 | |
---|
| 73 | ; |
---|
| 74 | ;--------------------------------------------------- |
---|
| 75 | ; READING INPUT MASK & OUTPUT COORDINATES * |
---|
| 76 | ;--------------------------------------------------- |
---|
| 77 | ; |
---|
| 78 | printf, 40, '' |
---|
| 79 | printf, 40, 'III- Opening data files and reading input mask and output coordinates' |
---|
| 80 | printf, 40, '=====================================================================' |
---|
| 81 | ; |
---|
| 82 | netcdf_input, mask |
---|
| 83 | ; |
---|
| 84 | ; Coordinates of input grid (for plotting purposes) |
---|
| 85 | ; |
---|
| 86 | lonatm = fltarr(jpiatm) |
---|
| 87 | latatm = fltarr(jpjatm) |
---|
| 88 | FOR i = 0, jpiatm-1 DO BEGIN |
---|
| 89 | lonatm(i) = west_lon + i*dx |
---|
| 90 | ENDFOR |
---|
| 91 | FOR j = 0, jpjatm-1 DO BEGIN |
---|
| 92 | latatm(j) = phi_input(j) |
---|
| 93 | ENDFOR |
---|
| 94 | ; |
---|
| 95 | ;--------------------------------------------------- |
---|
| 96 | ; DATA MASK PREPROCESSING * |
---|
| 97 | ;--------------------------------------------------- |
---|
| 98 | ; |
---|
| 99 | printf, 40, '' |
---|
| 100 | printf, 40, 'IV- Data mask preprocessing' |
---|
| 101 | printf, 40, '===========================' |
---|
| 102 | ; |
---|
| 103 | IF keyword_set(negmask) THEN BEGIN |
---|
| 104 | mask = abs(temporary(mask)) |
---|
| 105 | printf, 40, 'Taking the abs of mask (-1 --> +1)' |
---|
| 106 | ENDIF |
---|
| 107 | IF keyword_set(nreverse) THEN BEGIN |
---|
| 108 | mask = reverse(mask, 2) |
---|
| 109 | printf, 40, 'Re-arranging mask in latitudes : North-South --> South-North' |
---|
| 110 | ENDIF |
---|
| 111 | ind = where(mask NE 0 AND mask NE 1) |
---|
| 112 | IF n_elements(ind) NE 1 THEN BEGIN |
---|
| 113 | printf, 40, '' |
---|
| 114 | printf, 40, '************************************************************' |
---|
| 115 | printf, 40, '* ERROR: data mask file must contain ONLY 0 and 1 values!! *' |
---|
| 116 | printf, 40, '************************************************************' |
---|
| 117 | printf, 40, '' |
---|
| 118 | printf, 40, 'program stops' |
---|
| 119 | stop |
---|
| 120 | ENDIF |
---|
| 121 | IF keyword_set(invmask) THEN BEGIN |
---|
| 122 | mask = inv_mask(mask) |
---|
| 123 | printf, 40, 'Giving value = 1 to mask on ocean points ' |
---|
| 124 | ENDIF |
---|
| 125 | IF keyword_set(extend) THEN BEGIN |
---|
| 126 | mask = preproc_mask(mask) |
---|
| 127 | printf, 40, 'Extending mask over one point on ocean points ' |
---|
| 128 | ENDIF |
---|
| 129 | |
---|
| 130 | |
---|
| 131 | ; mask = double(mask) |
---|
| 132 | |
---|
| 133 | ; |
---|
| 134 | ;--------------------------------------------------- |
---|
| 135 | ; INTERPOLATION * |
---|
| 136 | ;--------------------------------------------------- |
---|
| 137 | ; |
---|
| 138 | printf, 40, '' |
---|
| 139 | printf, 40, 'V- Interpolation' |
---|
| 140 | printf, 40, '================' |
---|
| 141 | ; |
---|
| 142 | ; 0. Creating output file and storing attributes |
---|
| 143 | ; ============================================== |
---|
| 144 | ; |
---|
| 145 | IF keyword_set(nscal) THEN BEGIN |
---|
| 146 | printf, 40, '' |
---|
| 147 | printf, 40, ' V-1- Writing attributes of interpolated field to files' |
---|
| 148 | printf, 40, ' ------------------------------------------------------' |
---|
| 149 | ; |
---|
| 150 | ; ... x-component of interpolated field |
---|
| 151 | printf, 40, '' |
---|
| 152 | printf, 40, 'Writing attributes of x-component of interpolated field' |
---|
| 153 | ncdf_varget, nummsh, mask_u_name, umask, count = [jpioce, jpjoce, jpkoce, 1] |
---|
| 154 | netcdf_output, mask_u_name, umask, data_u_name, lon_u, lat_u, outputfile_x, $ |
---|
| 155 | title_x, long_x_name, POINT = "u", $ |
---|
| 156 | numout_u, varid_u, numdta_u |
---|
| 157 | ; ... y-component of interpolated field |
---|
| 158 | printf, 40, '' |
---|
| 159 | printf, 40, 'Writing attributes of y-component of interpolated field' |
---|
| 160 | ncdf_varget, nummsh, mask_v_name, vmask, count = [jpioce, jpjoce, jpkoce, 1] |
---|
| 161 | netcdf_output, mask_v_name, vmask, data_v_name, lon_v, lat_v, outputfile_y, $ |
---|
| 162 | title_y, long_y_name, POINT = "v", $ |
---|
| 163 | numout_v, varid_v, numdta_v |
---|
| 164 | ENDIF ELSE BEGIN |
---|
| 165 | printf, 40, '' |
---|
| 166 | printf, 40, ' V-1- Writing attributes of interpolated field to file' |
---|
| 167 | printf, 40, ' -----------------------------------------------------' |
---|
| 168 | ; |
---|
| 169 | ncdf_varget, nummsh, mask_t_name, tmask, count = [jpioce, jpjoce, jpkoce, 1] |
---|
| 170 | netcdf_output, mask_t_name, tmask, data_name, lon_t, lat_t, outputfile, $ |
---|
| 171 | title, long_name, POINT = "t", $ |
---|
| 172 | numout, varid, numdta |
---|
| 173 | ENDELSE |
---|
| 174 | |
---|
| 175 | |
---|
| 176 | ; |
---|
| 177 | ; 1. Interpolation |
---|
| 178 | ; ================ |
---|
| 179 | ; |
---|
| 180 | printf, 40, '' |
---|
| 181 | printf, 40, ' V-2- Interpolating, correcting and writing field(s)' |
---|
| 182 | printf, 40, ' ---------------------------------------------------' |
---|
| 183 | printf, 40, '' |
---|
| 184 | printf, 40, ' **** ENTERING TEMPORAL LOOP ****' |
---|
| 185 | ; |
---|
| 186 | ; BEGINNING OF TIME LOOP |
---|
| 187 | ; |
---|
| 188 | IF keyword_set(nscal) THEN BEGIN |
---|
| 189 | mi_u = 1.e20 |
---|
| 190 | ma_u = -1.e20 |
---|
| 191 | mi_v = 1.e20 |
---|
| 192 | ma_v = -1.e20 |
---|
| 193 | ENDIF ELSE BEGIN |
---|
| 194 | mi = 1.e20 |
---|
| 195 | ma = -1.e20 |
---|
| 196 | ENDELSE |
---|
| 197 | |
---|
| 198 | |
---|
| 199 | FOR t = nit000-1, nitend-1 DO BEGIN |
---|
| 200 | tempsun4 = systime(1) ; pour key_performance |
---|
| 201 | printf, 40, '' |
---|
| 202 | printf, 40, ' ***>> TIME ITERATION NUMBER :', t+1 |
---|
| 203 | IF keyword_set(ndim) THEN BEGIN |
---|
| 204 | interp, numdta, data_name,1, mask, t, lon_t, lat_t, phi_input, zresul |
---|
| 205 | ENDIF ELSE BEGIN |
---|
| 206 | IF keyword_set(nscal) THEN BEGIN |
---|
| 207 | printf, 40, 'A vectorial field has been chosen for interpolation' |
---|
| 208 | IF keyword_set(north_pole) THEN BEGIN |
---|
| 209 | printf, 40, 'Vectorial Fied will be Tested for Coherence nearby North Pole' |
---|
| 210 | ENDIF |
---|
| 211 | printf, 40, '' |
---|
| 212 | printf, 40, 'interpolating ', data_u_name, ' at u-point and v-point ' |
---|
| 213 | interp, numdta_u, data_u_name,1, mask, t, lon_u, lat_u, phi_input_u, zresul_uu |
---|
| 214 | interp, numdta_u, data_u_name,1, mask, t, lon_v, lat_v, phi_input_u, zresul_uv |
---|
| 215 | printf, 40, 'interpolating ', data_v_name, ' at v-point and u-point ' |
---|
| 216 | interp, numdta_v, data_v_name,1 ,mask, t, lon_v, lat_v, phi_input_v, zresul_vv |
---|
| 217 | interp, numdta_v, data_v_name,1,mask, t, lon_u, lat_u, phi_input_v, zresul_vu |
---|
| 218 | ENDIF ELSE BEGIN |
---|
| 219 | printf, 40, '' |
---|
| 220 | printf, 40, 'interpolating ', data_name, ' at t-point' |
---|
| 221 | interp, numdta, data_name, 1,mask, t, lon_t, lat_t, phi_input, zresul |
---|
| 222 | ENDELSE |
---|
| 223 | ENDELSE |
---|
| 224 | |
---|
| 225 | |
---|
| 226 | |
---|
| 227 | ; |
---|
| 228 | ; 2. Angles correction for 2D fields |
---|
| 229 | ; ================================== |
---|
| 230 | ; |
---|
| 231 | IF keyword_set(nscal) THEN BEGIN |
---|
| 232 | printf, 40, '' |
---|
| 233 | printf, 40, ' angles correction' |
---|
| 234 | ; |
---|
| 235 | tempsun2 = systime(1) ; pour key_performance |
---|
| 236 | correc_angle, zresul_uu, zresul_uv, zresul_vv, zresul_vu, zresul_u, zresul_v |
---|
| 237 | if keyword_set(key_performance) THEN print, 'temps angles', systime(1)-tempsun2 |
---|
| 238 | IF t MOD ndraw EQ 0 AND keyword_set(keydraw) THEN BEGIN |
---|
| 239 | ncdf_varget, numdta_u, data_u_name, zdata_u, $ |
---|
| 240 | count = [jpiatm, jpjatm, 1], offset = [0, 0, t] |
---|
| 241 | ncdf_varget, numdta_v, data_v_name, zdata_v, $ |
---|
| 242 | count = [jpiatm, jpjatm, 1], offset = [0, 0, t] |
---|
| 243 | zdata_u = zdata_u*scale_factor + add_offset |
---|
| 244 | zdata_v = zdata_v*scale_factor + add_offset |
---|
| 245 | IF keyword_set(nreverse) THEN zdata_u = reverse(zdata_u, 2) |
---|
| 246 | IF keyword_set(nreverse) THEN zdata_v = reverse(zdata_v, 2) |
---|
| 247 | zu = zdata_u |
---|
| 248 | zv = zdata_v |
---|
| 249 | IF keyword_set(nmiss) THEN BEGIN |
---|
| 250 | ind = where(abs(zu) GE missing_val) |
---|
| 251 | zu(ind) = 0. |
---|
| 252 | ind = where(abs(zv) GE missing_val) |
---|
| 253 | zv(ind) = 0. |
---|
| 254 | ENDIF |
---|
| 255 | ind = where(mask NE 0.) |
---|
| 256 | minu = min(zu(ind)) |
---|
| 257 | maxu = max(zu(ind)) |
---|
| 258 | minv = min(zv(ind)) |
---|
| 259 | maxv = max(zv(ind)) |
---|
| 260 | IF keyword_set(key_ps) THEN $ |
---|
| 261 | openps, string('control_corrected_winds_iteration_', strtrim(t+1, 2), '.ps') |
---|
| 262 | draw, zdata_u, lonatm, latatm, jpiatm, jpjatm, 2, 1, 2, $ |
---|
| 263 | TITLE = data_u_name+' data, iteration = '+strtrim(t+1,1), minu, maxu, /land |
---|
| 264 | draw, zdata_v, lonatm, latatm, jpiatm, jpjatm, 2, 2, 2, $ |
---|
| 265 | TITLE = data_v_name+' data, iteration = '+strtrim(t+1,1), minv, maxv, /land |
---|
| 266 | draw, zresul_u, lon_f, lat_f, jpioce, jpjoce, 2, 3, 2, $ |
---|
| 267 | TITLE = data_u_name+' interpolated, iteration = '+strtrim(t+1,1), minu, maxu, /land |
---|
| 268 | draw, zresul_v, lon_f, lat_f, jpioce, jpjoce, 2, 4, 2, $ |
---|
| 269 | TITLE = data_v_name+' interpolated, iteration = '+strtrim(t+1,1), minv, maxv, /land |
---|
| 270 | IF keyword_set(key_ps) THEN BEGIN |
---|
| 271 | closeps |
---|
| 272 | ENDIF ELSE BEGIN |
---|
| 273 | print, 'Press return to continue' |
---|
| 274 | zxc = strarr(1) |
---|
| 275 | read, zxc |
---|
| 276 | ENDELSE |
---|
| 277 | ENDIF |
---|
| 278 | ENDIF |
---|
| 279 | |
---|
| 280 | ; |
---|
| 281 | ; 3. NetCDF output to file of interpolated field |
---|
| 282 | ; ============================================== |
---|
| 283 | ; |
---|
| 284 | tempsun3 = systime(1) ; pour key_performance |
---|
| 285 | IF keyword_set(nscal) THEN BEGIN |
---|
| 286 | printf, 40, '' |
---|
| 287 | printf, 40, 'Storing components of interpolated field' |
---|
| 288 | |
---|
| 289 | |
---|
| 290 | ncdf_varput, numout_u, varid_u, zresul_u, offset = [0, 0, 0, t-nit000+1] |
---|
| 291 | ind = where(abs(zresul_u) LT 1.e10) |
---|
| 292 | IF ind[0] NE -1 THEN BEGIN |
---|
| 293 | IF min(zresul_u) LT mi_u THEN mi_u = min(zresul_u[ind]) |
---|
| 294 | IF max(zresul_u) GT ma_u THEN ma_u = max(zresul_u[ind]) |
---|
| 295 | ENDIF ELSE BEGIN |
---|
| 296 | mi_u = missing_val |
---|
| 297 | ma_u = missing_val |
---|
| 298 | ENDELSE |
---|
| 299 | |
---|
| 300 | ncdf_varput, numout_v, varid_v, zresul_v, offset = [0, 0, 0, t-nit000+1] |
---|
| 301 | ind = where(abs(zresul_v) LT 1.e10) |
---|
| 302 | IF ind[0] NE -1 THEN BEGIN |
---|
| 303 | IF min(zresul_v) LT mi_v THEN mi_v = min(zresul_v[ind]) |
---|
| 304 | IF max(zresul_v) GT ma_v THEN ma_v = max(zresul_v[ind]) |
---|
| 305 | ENDIF ELSE BEGIN |
---|
| 306 | mi_v = missing_val |
---|
| 307 | ma_v = missing_val |
---|
| 308 | ENDELSE |
---|
| 309 | ENDIF ELSE BEGIN |
---|
| 310 | printf, 40, '' |
---|
| 311 | printf, 40, 'Storing field' |
---|
| 312 | |
---|
| 313 | ncdf_varput, numout, varid, zresul, offset = [0, 0, 0, t-nit000+1] |
---|
| 314 | ind = where(abs(zresul) LT 1.e10) |
---|
| 315 | IF min(zresul) LT mi THEN mi = min(zresul[ind]) |
---|
| 316 | IF max(zresul) GT ma THEN ma = max(zresul[ind]) |
---|
| 317 | ENDELSE |
---|
| 318 | if keyword_set(key_performance) THEN print, 'temps ecriture variable', systime(1)-tempsun3 |
---|
| 319 | if keyword_set(key_performance) THEN printf, 40, 'temps ecriture variable', systime(1)-tempsun3 |
---|
| 320 | if keyword_set(key_performance) THEN print, 'temps boucle', systime(1)-tempsun4 |
---|
| 321 | if keyword_set(key_performance) THEN printf, 40, 'temps boucle', systime(1)-tempsun4 |
---|
| 322 | ENDFOR |
---|
| 323 | ; |
---|
| 324 | ; END OF TIME LOOP |
---|
| 325 | ; |
---|
| 326 | printf, 40, '' |
---|
| 327 | printf, 40, '**** END OF TEMPORAL LOOP ****' |
---|
| 328 | ; |
---|
| 329 | printf, 40, '' |
---|
| 330 | printf, 40, 'Closing files' |
---|
| 331 | ; |
---|
| 332 | ; storing min and max in attributes |
---|
| 333 | ; |
---|
| 334 | IF keyword_set(nscal) THEN BEGIN |
---|
| 335 | ncdf_control, numout_u, /redef |
---|
| 336 | ncdf_control, numout_v, /redef |
---|
| 337 | ncdf_attput, numout_u, varid_u, "valid_min", mi_u |
---|
| 338 | ncdf_attput, numout_u, varid_u, "valid_max", ma_u |
---|
| 339 | ncdf_attput, numout_v, varid_v, "valid_min", mi_v |
---|
| 340 | ncdf_attput, numout_v, varid_v, "valid_max", ma_v |
---|
| 341 | ENDIF ELSE BEGIN |
---|
| 342 | ncdf_control, numout, /redef |
---|
| 343 | ncdf_attput, numout, varid, "valid_min", mi |
---|
| 344 | ncdf_attput, numout, varid, "valid_max", ma |
---|
| 345 | ENDELSE |
---|
| 346 | IF keyword_set(key_mask) THEN ncdf_close, nummsk |
---|
| 347 | IF keyword_set(nscal) THEN BEGIN |
---|
| 348 | ncdf_close, numdta_u |
---|
| 349 | ncdf_close, numdta_v |
---|
| 350 | ncdf_close, numout_u |
---|
| 351 | ncdf_close, numout_v |
---|
| 352 | ENDIF ELSE BEGIN |
---|
| 353 | ncdf_close, numout |
---|
| 354 | ncdf_close, numdta |
---|
| 355 | ENDELSE |
---|
| 356 | ncdf_close, nummsh |
---|
| 357 | ; |
---|
| 358 | printf, 40, '' |
---|
| 359 | printf, 40, '*******************************************' |
---|
| 360 | printf, 40, '* END OF INTERPOLATION PROGRAM *' |
---|
| 361 | printf, 40, '*******************************************' |
---|
| 362 | ; |
---|
| 363 | close, 40 |
---|
| 364 | if keyword_set(key_performance) THEN print, 'temps total', systime(1)-tempsun |
---|
| 365 | if keyword_set(key_performance) THEN printf,40, 'temps total', systime(1)-tempsun |
---|
| 366 | ; |
---|
| 367 | return |
---|
| 368 | END |
---|