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! version 3; Last Modified: May 7, 2008.
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*/* RMNLIB - Library of useful routines for C and FORTRAN programming
* * Copyright (C) 1975-2001 Division de Recherche en Prevision Numerique
* * Environnement Canada
* *
* * This library is free software; you can redistribute it and/or
* * modify it under the terms of the GNU Lesser General Public
* * License as published by the Free Software Foundation,
* * version 2.1 of the License.
* *
* * This library is distributed in the hope that it will be useful,
* * but WITHOUT ANY WARRANTY; without even the implied warranty of
* * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* * Lesser General Public License for more details.
* *
* * You should have received a copy of the GNU Lesser General Public
* * License along with this library; if not, write to the
* * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* * Boston, MA 02111-1307, USA.
* */
***s/p llwfgfw - converts from u-v (grid) wind components to
* standard meteorological speed and direction
*
subroutine pllwfgfw(spd,dir,xlat,xlon,li,lj,grtyp,ig1,ig2,ig3,ig4) 3
implicit none
integer li,lj
real spd(li,lj), dir(li,lj), xlat(li,lj),xlon(li,lj)
character grtyp
integer ig1,ig2,ig3,ig4
*
*auteur- y. chartier - april 94
*
*mise-a-jour:
* B.Dugas (dec 2005): ajouter un appel a EZ_CROT et corriger la doc
*
*langage- fortran
*
*objet(pllwfgfw)
* - passe de vent de grille (composantes u et v)
* - a vitesse et direction.
*
*librairies
*
*appel- call pllwfgfw(spd,dir,xlat,xlon,li,lj,grtyp,ig1,ig2,ig3,ig4)
*
*modules- cigaxg
*
*arguments
* in/out - spd - a l'entree contient la composante u
* a la sortie la vitesse.
* in/out - dir - a l'entree contient la composante v
* a la sortie la direction
* in - xlat - latitudes (vraies) ou sont ces vents
* in - xlon - longitudes (vraies) ou sont ces vents
* in - li - premiere dimension des champs spd et dir
* in - lj - deuxieme dimension des champs spd et dir
* in - grtyp - type de grille (utilise au decodage des igx)
* in - igx - pour x=1,2,3,4: descripteurs de grille codes
*
*-------------------------------------------------------------
*
real r(3,3),ri(3,3)
common /qqqmrot/ r,ri
*
integer i,j,ier
real xlat1,xlon1,xlat2,xlon2
real xlatgf,xlongf,uvcart,xyz
pointer( xlatgp , xlatgf(li,*) )
pointer( xlongp , xlongf(li,*) )
pointer( uvcartp , uvcart( 3,*) )
pointer( xyzp , xyz( 3,*) )
call hpalloc( xlatgp, li*lj,ier,0 )
call hpalloc( xlongp, li*lj,ier,0 )
call hpalloc( uvcartp,3*li*lj,ier,0 )
call hpalloc( xyzp, 3*li*lj,ier,0 )
call cigaxg ( grtyp, xlat1, xlon1, xlat2, xlon2,
$ ig1 , ig2 , ig3 , ig4 )
call ez_crot ( r,ri, xlon1, xlat1, xlon2, xlat2 )
call ez_gfxyfll( xlon,xlat,xlongf,xlatgf, li*lj,
$ xlat1,xlon1, xlat2, xlon2 )
call ez_vrotf2 ( spd,dir, xlon,xlat,xlongf,xlatgf,
$ ri,xyz,uvcart,li,lj )
call ez_llwfgdw( spd,dir, xlongf,li,lj, 'L',0,0,0,0 )
call hpdeallc( xlatgp ,ier,0 )
call hpdeallc( xlongp ,ier,0 )
call hpdeallc( uvcartp,ier,0 )
call hpdeallc( xyzp ,ier,0 )
return
end