[4] | 1 | !********************************************************************** |
---|
| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
---|
| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
---|
| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
---|
| 5 | ! * |
---|
| 6 | ! This file is part of FLEXPART. * |
---|
| 7 | ! * |
---|
| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
---|
| 9 | ! it under the terms of the GNU General Public License as published by* |
---|
| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
---|
| 11 | ! (at your option) any later version. * |
---|
| 12 | ! * |
---|
| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
---|
| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
---|
| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
---|
| 16 | ! GNU General Public License for more details. * |
---|
| 17 | ! * |
---|
| 18 | ! You should have received a copy of the GNU General Public License * |
---|
| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
---|
| 20 | !********************************************************************** |
---|
| 21 | |
---|
| 22 | subroutine gridcheck |
---|
| 23 | |
---|
| 24 | !********************************************************************** |
---|
| 25 | ! * |
---|
| 26 | ! FLEXPART MODEL SUBROUTINE GRIDCHECK * |
---|
| 27 | ! * |
---|
| 28 | !********************************************************************** |
---|
| 29 | ! * |
---|
| 30 | ! AUTHOR: G. WOTAWA * |
---|
| 31 | ! DATE: 1997-08-06 * |
---|
| 32 | ! LAST UPDATE: 1997-10-10 * |
---|
| 33 | ! * |
---|
| 34 | ! Update: 1999-02-08, global fields allowed, A. Stohl* |
---|
| 35 | ! CHANGE: 17/11/2005, Caroline Forster, GFS data * |
---|
| 36 | ! * |
---|
| 37 | !********************************************************************** |
---|
| 38 | ! * |
---|
| 39 | ! DESCRIPTION: * |
---|
| 40 | ! * |
---|
| 41 | ! THIS SUBROUTINE DETERMINES THE GRID SPECIFICATIONS (LOWER LEFT * |
---|
| 42 | ! LONGITUDE, LOWER LEFT LATITUDE, NUMBER OF GRID POINTS, GRID DIST- * |
---|
| 43 | ! ANCE AND VERTICAL DISCRETIZATION OF THE ECMWF MODEL) FROM THE * |
---|
| 44 | ! GRIB HEADER OF THE FIRST INPUT FILE. THE CONSISTANCY (NO CHANGES * |
---|
| 45 | ! WITHIN ONE FLEXPART RUN) IS CHECKED IN THE ROUTINE "READWIND" AT * |
---|
| 46 | ! ANY CALL. * |
---|
| 47 | ! * |
---|
| 48 | ! XLON0 geographical longitude of lower left gridpoint * |
---|
| 49 | ! YLAT0 geographical latitude of lower left gridpoint * |
---|
| 50 | ! NX number of grid points x-direction * |
---|
| 51 | ! NY number of grid points y-direction * |
---|
| 52 | ! DX grid distance x-direction * |
---|
| 53 | ! DY grid distance y-direction * |
---|
| 54 | ! NUVZ number of grid points for horizontal wind * |
---|
| 55 | ! components in z direction * |
---|
| 56 | ! NWZ number of grid points for vertical wind * |
---|
| 57 | ! component in z direction * |
---|
| 58 | ! sizesouth, sizenorth give the map scale (i.e. number of virtual grid* |
---|
| 59 | ! points of the polar stereographic grid): * |
---|
| 60 | ! used to check the CFL criterion * |
---|
| 61 | ! UVHEIGHT(1)- heights of gridpoints where u and v are * |
---|
| 62 | ! UVHEIGHT(NUVZ) given * |
---|
| 63 | ! WHEIGHT(1)- heights of gridpoints where w is given * |
---|
| 64 | ! WHEIGHT(NWZ) * |
---|
| 65 | ! * |
---|
| 66 | !********************************************************************** |
---|
| 67 | |
---|
| 68 | use par_mod |
---|
| 69 | use com_mod |
---|
| 70 | use conv_mod |
---|
| 71 | |
---|
| 72 | implicit none |
---|
| 73 | |
---|
| 74 | integer :: ix,jy,i,ifn,ifield,j,k,iumax,iwmax,numskip |
---|
| 75 | real :: xaux1,xaux2,yaux1,yaux2,sizesouth,sizenorth,xauxa,pint |
---|
| 76 | real :: akm_usort(nwzmax) |
---|
| 77 | |
---|
| 78 | ! NCEP GFS |
---|
| 79 | real :: pres(nwzmax), help |
---|
| 80 | |
---|
| 81 | ! VARIABLES AND ARRAYS NEEDED FOR GRIB DECODING |
---|
| 82 | |
---|
| 83 | ! dimension of isec2 at least (22+n), where n is the number of parallels or |
---|
| 84 | ! meridians in a quasi-regular (reduced) Gaussian or lat/long grid |
---|
| 85 | |
---|
| 86 | ! dimension of zsec2 at least (10+nn), where nn is the number of vertical |
---|
| 87 | ! coordinate parameters |
---|
| 88 | |
---|
| 89 | integer :: isec0(2),isec1(56),isec2(22+nxmax+nymax),isec3(2) |
---|
| 90 | integer :: isec4(64),inbuff(jpack),ilen,iswap,ierr,iword,lunit |
---|
| 91 | real :: zsec2(60+2*nuvzmax),zsec3(2),zsec4(jpunp) |
---|
| 92 | character(len=1) :: opt, yoper = 'D' |
---|
| 93 | |
---|
| 94 | |
---|
| 95 | iumax=0 |
---|
| 96 | iwmax=0 |
---|
| 97 | |
---|
| 98 | if(ideltas.gt.0) then |
---|
| 99 | ifn=1 |
---|
| 100 | else |
---|
| 101 | ifn=numbwf |
---|
| 102 | endif |
---|
| 103 | ! |
---|
| 104 | ! OPENING OF DATA FILE (GRIB CODE) |
---|
| 105 | ! |
---|
| 106 | 5 call pbopen(lunit,path(3)(1:length(3))//wfname(ifn),'r',ierr) |
---|
| 107 | if(ierr.lt.0) goto 999 |
---|
| 108 | |
---|
| 109 | ifield=0 |
---|
| 110 | 10 ifield=ifield+1 |
---|
| 111 | ! |
---|
| 112 | ! GET NEXT FIELDS |
---|
| 113 | ! |
---|
| 114 | call pbgrib(lunit,inbuff,jpack,ilen,ierr) |
---|
| 115 | if(ierr.eq.-1) goto 30 ! EOF DETECTED |
---|
| 116 | if(ierr.lt.-1) goto 999 ! ERROR DETECTED |
---|
| 117 | |
---|
| 118 | ierr=1 |
---|
| 119 | |
---|
| 120 | ! Check whether we are on a little endian or on a big endian computer |
---|
| 121 | !******************************************************************** |
---|
| 122 | |
---|
| 123 | !if (inbuff(1).eq.1112101447) then ! little endian, swap bytes |
---|
| 124 | ! iswap=1+ilen/4 |
---|
| 125 | ! call swap32(inbuff,iswap) |
---|
| 126 | !else if (inbuff(1).ne.1196575042) then ! big endian |
---|
| 127 | ! stop 'subroutine gridcheck: corrupt GRIB data' |
---|
| 128 | !endif |
---|
| 129 | |
---|
| 130 | call gribex(isec0,isec1,isec2,zsec2,isec3,zsec3,isec4, & |
---|
| 131 | zsec4,jpunp,inbuff,jpack,iword,yoper,ierr) |
---|
| 132 | if (ierr.ne.0) goto 10 ! ERROR DETECTED |
---|
| 133 | |
---|
| 134 | if(ifield.eq.1) then |
---|
| 135 | nxfield=isec2(2) |
---|
| 136 | ny=isec2(3) |
---|
| 137 | xaux1=real(isec2(5))/1000. |
---|
| 138 | xaux2=real(isec2(8))/1000. |
---|
| 139 | if((xaux1.eq.0.).and.(xaux2.eq.-1.0)) then ! NCEP DATA FROM 0 TO |
---|
| 140 | xaux1=-179.0 ! 359 DEG EAST -> |
---|
| 141 | xaux2=180.0 ! TRANSFORMED TO -179 |
---|
| 142 | endif ! TO 180 DEG EAST |
---|
| 143 | if (xaux1.gt.180) xaux1=xaux1-360.0 |
---|
| 144 | if (xaux2.gt.180) xaux2=xaux2-360.0 |
---|
| 145 | if (xaux1.lt.-180) xaux1=xaux1+360.0 |
---|
| 146 | if (xaux2.lt.-180) xaux2=xaux2+360.0 |
---|
| 147 | if (xaux2.lt.xaux1) xaux2=xaux2+360. |
---|
| 148 | yaux1=real(isec2(7))/1000. |
---|
| 149 | yaux2=real(isec2(4))/1000. |
---|
| 150 | xlon0=xaux1 |
---|
| 151 | ylat0=yaux1 |
---|
| 152 | dx=(xaux2-xaux1)/real(nxfield-1) |
---|
| 153 | dy=(yaux2-yaux1)/real(ny-1) |
---|
| 154 | dxconst=180./(dx*r_earth*pi) |
---|
| 155 | dyconst=180./(dy*r_earth*pi) |
---|
| 156 | |
---|
| 157 | |
---|
| 158 | ! Check whether fields are global |
---|
| 159 | ! If they contain the poles, specify polar stereographic map |
---|
| 160 | ! projections using the stlmbr- and stcm2p-calls |
---|
| 161 | !*********************************************************** |
---|
| 162 | |
---|
| 163 | xauxa=abs(xaux2+dx-360.-xaux1) |
---|
| 164 | if (xauxa.lt.0.001) then |
---|
| 165 | nx=nxfield+1 ! field is cyclic |
---|
| 166 | xglobal=.true. |
---|
| 167 | if (abs(nxshift).ge.nx) & |
---|
| 168 | stop 'nxshift in file par_mod is too large' |
---|
| 169 | xlon0=xlon0+real(nxshift)*dx |
---|
| 170 | else |
---|
| 171 | nx=nxfield |
---|
| 172 | xglobal=.false. |
---|
| 173 | if (nxshift.ne.0) & |
---|
| 174 | stop 'nxshift (par_mod) must be zero for non-global domain' |
---|
| 175 | endif |
---|
| 176 | nxmin1=nx-1 |
---|
| 177 | nymin1=ny-1 |
---|
| 178 | if (xlon0.gt.180.) xlon0=xlon0-360. |
---|
| 179 | xauxa=abs(yaux1+90.) |
---|
| 180 | if (xglobal.and.xauxa.lt.0.001) then |
---|
| 181 | sglobal=.true. ! field contains south pole |
---|
| 182 | ! Enhance the map scale by factor 3 (*2=6) compared to north-south |
---|
| 183 | ! map scale |
---|
| 184 | sizesouth=6.*(switchsouth+90.)/dy |
---|
| 185 | call stlmbr(southpolemap,-90.,0.) |
---|
| 186 | call stcm2p(southpolemap,0.,0.,switchsouth,0.,sizesouth, & |
---|
| 187 | sizesouth,switchsouth,180.) |
---|
| 188 | switchsouthg=(switchsouth-ylat0)/dy |
---|
| 189 | else |
---|
| 190 | sglobal=.false. |
---|
| 191 | switchsouthg=999999. |
---|
| 192 | endif |
---|
| 193 | xauxa=abs(yaux2-90.) |
---|
| 194 | if (xglobal.and.xauxa.lt.0.001) then |
---|
| 195 | nglobal=.true. ! field contains north pole |
---|
| 196 | ! Enhance the map scale by factor 3 (*2=6) compared to north-south |
---|
| 197 | ! map scale |
---|
| 198 | sizenorth=6.*(90.-switchnorth)/dy |
---|
| 199 | call stlmbr(northpolemap,90.,0.) |
---|
| 200 | call stcm2p(northpolemap,0.,0.,switchnorth,0.,sizenorth, & |
---|
| 201 | sizenorth,switchnorth,180.) |
---|
| 202 | switchnorthg=(switchnorth-ylat0)/dy |
---|
| 203 | else |
---|
| 204 | nglobal=.false. |
---|
| 205 | switchnorthg=999999. |
---|
| 206 | endif |
---|
| 207 | endif |
---|
| 208 | |
---|
| 209 | if (nxshift.lt.0) stop 'nxshift (par_mod) must not be negative' |
---|
| 210 | if (nxshift.ge.nxfield) stop 'nxshift (par_mod) too large' |
---|
| 211 | |
---|
| 212 | ! NCEP ISOBARIC LEVELS |
---|
| 213 | !********************* |
---|
| 214 | |
---|
| 215 | if((isec1(6).eq.33).and.(isec1(7).eq.100)) then |
---|
| 216 | iumax=iumax+1 |
---|
| 217 | pres(iumax)=real(isec1(8))*100.0 |
---|
| 218 | endif |
---|
| 219 | |
---|
| 220 | ! NCEP TERRAIN |
---|
| 221 | !************* |
---|
| 222 | |
---|
| 223 | if((isec1(6).eq.007).and.(isec1(7).eq.001)) then |
---|
| 224 | do jy=0,ny-1 |
---|
| 225 | do ix=0,nxfield-1 |
---|
| 226 | help=zsec4(nxfield*(ny-jy-1)+ix+1) |
---|
| 227 | if(ix.le.180) then |
---|
| 228 | oro(179+ix,jy)=help |
---|
| 229 | excessoro(179+ix,jy)=0.0 ! ISOBARIC SURFACES: SUBGRID TERRAIN DISREGARDED |
---|
| 230 | else |
---|
| 231 | oro(ix-181,jy)=help |
---|
| 232 | excessoro(ix-181,jy)=0.0 ! ISOBARIC SURFACES: SUBGRID TERRAIN DISREGARDED |
---|
| 233 | endif |
---|
| 234 | end do |
---|
| 235 | end do |
---|
| 236 | endif |
---|
| 237 | |
---|
| 238 | ! NCEP LAND SEA MASK |
---|
| 239 | !******************* |
---|
| 240 | |
---|
| 241 | if((isec1(6).eq.081).and.(isec1(7).eq.001)) then |
---|
| 242 | do jy=0,ny-1 |
---|
| 243 | do ix=0,nxfield-1 |
---|
| 244 | help=zsec4(nxfield*(ny-jy-1)+ix+1) |
---|
| 245 | if(ix.le.180) then |
---|
| 246 | lsm(179+ix,jy)=help |
---|
| 247 | else |
---|
| 248 | lsm(ix-181,jy)=help |
---|
| 249 | endif |
---|
| 250 | end do |
---|
| 251 | end do |
---|
| 252 | endif |
---|
| 253 | |
---|
| 254 | goto 10 !! READ NEXT LEVEL OR PARAMETER |
---|
| 255 | ! |
---|
| 256 | ! CLOSING OF INPUT DATA FILE |
---|
| 257 | ! |
---|
| 258 | 30 call pbclose(lunit,ierr) !! FINISHED READING / CLOSING GRIB FILE |
---|
| 259 | |
---|
| 260 | nuvz=iumax |
---|
| 261 | nwz =iumax |
---|
| 262 | nlev_ec=iumax |
---|
| 263 | |
---|
| 264 | if (nx.gt.nxmax) then |
---|
| 265 | write(*,*) 'FLEXPART error: Too many grid points in x direction.' |
---|
| 266 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 267 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 268 | write(*,*) nx,nxmax |
---|
| 269 | stop |
---|
| 270 | endif |
---|
| 271 | |
---|
| 272 | if (ny.gt.nymax) then |
---|
| 273 | write(*,*) 'FLEXPART error: Too many grid points in y direction.' |
---|
| 274 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 275 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 276 | write(*,*) ny,nymax |
---|
| 277 | stop |
---|
| 278 | endif |
---|
| 279 | |
---|
| 280 | if (nuvz.gt.nuvzmax) then |
---|
| 281 | write(*,*) 'FLEXPART error: Too many u,v grid points in z '// & |
---|
| 282 | 'direction.' |
---|
| 283 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 284 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 285 | write(*,*) nuvz,nuvzmax |
---|
| 286 | stop |
---|
| 287 | endif |
---|
| 288 | |
---|
| 289 | if (nwz.gt.nwzmax) then |
---|
| 290 | write(*,*) 'FLEXPART error: Too many w grid points in z '// & |
---|
| 291 | 'direction.' |
---|
| 292 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 293 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 294 | write(*,*) nwz,nwzmax |
---|
| 295 | stop |
---|
| 296 | endif |
---|
| 297 | |
---|
| 298 | ! If desired, shift all grids by nxshift grid cells |
---|
| 299 | !************************************************** |
---|
| 300 | |
---|
| 301 | if (xglobal) then |
---|
| 302 | call shift_field_0(oro,nxfield,ny) |
---|
| 303 | call shift_field_0(lsm,nxfield,ny) |
---|
| 304 | call shift_field_0(excessoro,nxfield,ny) |
---|
| 305 | endif |
---|
| 306 | |
---|
| 307 | ! Output of grid info |
---|
| 308 | !******************** |
---|
| 309 | |
---|
| 310 | write(*,*) |
---|
| 311 | write(*,*) |
---|
| 312 | write(*,'(a,2i7)') '# of vertical levels in ECMWF data: ', & |
---|
| 313 | nuvz,nwz |
---|
| 314 | write(*,*) |
---|
| 315 | write(*,'(a)') 'Mother domain:' |
---|
| 316 | write(*,'(a,f10.1,a1,f10.1,a,f10.1)') ' Longitude range: ', & |
---|
| 317 | xlon0,' to ',xlon0+(nx-1)*dx,' Grid distance: ',dx |
---|
| 318 | write(*,'(a,f10.1,a1,f10.1,a,f10.1)') ' Latitude range: ', & |
---|
| 319 | ylat0,' to ',ylat0+(ny-1)*dy,' Grid distance: ',dy |
---|
| 320 | write(*,*) |
---|
| 321 | |
---|
| 322 | |
---|
| 323 | ! CALCULATE VERTICAL DISCRETIZATION OF ECMWF MODEL |
---|
| 324 | ! PARAMETER akm,bkm DESCRIBE THE HYBRID "ETA" COORDINATE SYSTEM |
---|
| 325 | |
---|
| 326 | numskip=nlev_ec-nuvz ! number of ecmwf model layers not used |
---|
| 327 | ! by trajectory model |
---|
| 328 | do i=1,nwz |
---|
| 329 | j=numskip+i |
---|
| 330 | k=nlev_ec+1+numskip+i |
---|
| 331 | akm_usort(nwz-i+1)=pres(nwz-i+1) |
---|
| 332 | bkm(nwz-i+1)=0.0 |
---|
| 333 | end do |
---|
| 334 | |
---|
| 335 | !****************************** |
---|
| 336 | ! change Sabine Eckhardt: akm should always be in descending order ... readwind adapted! |
---|
| 337 | !****************************** |
---|
| 338 | do i=1,nwz |
---|
| 339 | if (akm_usort(1).gt.akm_usort(2)) then |
---|
| 340 | akm(i)=akm_usort(i) |
---|
| 341 | else |
---|
| 342 | akm(i)=akm_usort(nwz-i+1) |
---|
| 343 | endif |
---|
| 344 | end do |
---|
| 345 | |
---|
| 346 | ! |
---|
| 347 | ! CALCULATION OF AKZ, BKZ |
---|
| 348 | ! AKZ,BKZ: model discretization parameters at the center of each model |
---|
| 349 | ! layer |
---|
| 350 | ! |
---|
| 351 | ! Assign the 10 m winds to an artificial model level with akz=0 and bkz=1.0, |
---|
| 352 | ! i.e. ground level |
---|
| 353 | !***************************************************************************** |
---|
| 354 | |
---|
| 355 | do i=1,nuvz |
---|
| 356 | akz(i)=akm(i) |
---|
| 357 | bkz(i)=bkm(i) |
---|
| 358 | end do |
---|
| 359 | |
---|
| 360 | ! NOTE: In FLEXPART versions up to 4.0, the number of model levels was doubled |
---|
| 361 | ! upon the transformation to z levels. In order to save computer memory, this is |
---|
| 362 | ! not done anymore in the standard version. However, this option can still be |
---|
| 363 | ! switched on by replacing the following lines with those below, that are |
---|
| 364 | ! currently commented out. For this, similar changes are necessary in |
---|
| 365 | ! verttransform.f and verttranform_nests.f |
---|
| 366 | !***************************************************************************** |
---|
| 367 | |
---|
| 368 | nz=nuvz |
---|
| 369 | if (nz.gt.nzmax) stop 'nzmax too small' |
---|
| 370 | do i=1,nuvz |
---|
| 371 | aknew(i)=akz(i) |
---|
| 372 | bknew(i)=bkz(i) |
---|
| 373 | end do |
---|
| 374 | |
---|
| 375 | ! Switch on following lines to use doubled vertical resolution |
---|
| 376 | !************************************************************* |
---|
| 377 | !nz=nuvz+nwz-1 |
---|
| 378 | !if (nz.gt.nzmax) stop 'nzmax too small' |
---|
| 379 | !do 100 i=1,nwz |
---|
| 380 | ! aknew(2*(i-1)+1)=akm(i) |
---|
| 381 | !00 bknew(2*(i-1)+1)=bkm(i) |
---|
| 382 | !do 110 i=2,nuvz |
---|
| 383 | ! aknew(2*(i-1))=akz(i) |
---|
| 384 | !10 bknew(2*(i-1))=bkz(i) |
---|
| 385 | ! End doubled vertical resolution |
---|
| 386 | |
---|
| 387 | |
---|
| 388 | ! Determine the uppermost level for which the convection scheme shall be applied |
---|
| 389 | ! by assuming that there is no convection above 50 hPa (for standard SLP) |
---|
| 390 | !***************************************************************************** |
---|
| 391 | |
---|
| 392 | do i=1,nuvz-2 |
---|
| 393 | pint=akz(i)+bkz(i)*101325. |
---|
| 394 | if (pint.lt.5000.) goto 96 |
---|
| 395 | end do |
---|
| 396 | 96 nconvlev=i |
---|
| 397 | if (nconvlev.gt.nconvlevmax-1) then |
---|
| 398 | nconvlev=nconvlevmax-1 |
---|
| 399 | write(*,*) 'Attention, convection only calculated up to ', & |
---|
| 400 | akz(nconvlev)+bkz(nconvlev)*1013.25,' hPa' |
---|
| 401 | endif |
---|
| 402 | |
---|
| 403 | return |
---|
| 404 | |
---|
| 405 | 999 write(*,*) |
---|
| 406 | write(*,*) ' ###########################################'// & |
---|
| 407 | '###### ' |
---|
| 408 | write(*,*) ' TRAJECTORY MODEL SUBROUTINE GRIDCHECK:' |
---|
| 409 | write(*,*) ' CAN NOT OPEN INPUT DATA FILE '//wfname(ifn) |
---|
| 410 | write(*,*) ' ###########################################'// & |
---|
| 411 | '###### ' |
---|
| 412 | write(*,*) |
---|
| 413 | write(*,'(a)') '!!! PLEASE INSERT A NEW CD-ROM AND !!!' |
---|
| 414 | write(*,'(a)') '!!! PRESS ANY KEY TO CONTINUE... !!!' |
---|
| 415 | write(*,'(a)') '!!! ...OR TERMINATE FLEXPART PRESSING!!!' |
---|
| 416 | write(*,'(a)') '!!! THE "X" KEY... !!!' |
---|
| 417 | write(*,*) |
---|
| 418 | read(*,'(a)') opt |
---|
| 419 | if(opt.eq.'X') then |
---|
| 420 | stop |
---|
| 421 | else |
---|
| 422 | goto 5 |
---|
| 423 | endif |
---|
| 424 | |
---|
| 425 | end subroutine gridcheck |
---|