get_mesh_corner_gauss.F90

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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!SFX_LIC for details. version 1.
!     #######################################################################################
      SUBROUTINE get_mesh_corner_gauss(KGRID_PAR,KL,KC,PGRID_PAR,PCORNER_LAT,PCORNER_LON)
!     #######################################################################################
!
!!**** *GET_MESH_CORNER_GAUSS* get the grid mesh where point (lat,lon) is located
!!
!!    PURPOSE
!!    -------
!!
!!    AUTHOR
!!    ------
!!
!!    B. Decharme         Meteo-France
!!
!!    MODIFICATION
!!    ------------
!!
!!    Original    10/2013
!!
!----------------------------------------------------------------------------
!
!*    0.     DECLARATION
!            -----------
!
USE mode_gridtype_gauss
!
USE modi_abor1_sfx
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
IMPLICIT NONE
!
!*    0.1    Declaration of arguments
!            ------------------------
!
INTEGER,                       INTENT(IN)    :: kgrid_par ! size of PGRID_PAR
INTEGER,                       INTENT(IN)    :: kl        ! number of points
INTEGER,                       INTENT(IN)    :: kc        ! number of grid point corner
REAL,    DIMENSION(KGRID_PAR), INTENT(IN)    :: pgrid_par ! grid parameters
REAL,    DIMENSION(KL,KC),     INTENT(OUT)   :: pcorner_lat ! Grid corner Latitude
REAL,    DIMENSION(KL,KC),     INTENT(OUT)   :: pcorner_lon ! Grid corner Longitude
!
!*    0.2    Declaration of other local variables
!            ------------------------------------
!
INTEGER                :: ini      ! Number of point
!
REAL(KIND=JPRB) :: zhook_handle
!
!----------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('GET_MESH_CORNER_GAUSS',0,zhook_handle)
!
!*    1.     Gets parameters of the projection
!            ---------------------------------
!
 CALL get_gridtype_gauss(pgrid_par,kl=ini)
!  
IF(kl/=ini)THEN
  CALL abor1_sfx('GET_MESH_CORNER_GAUSS: WRONG NUMBER OF POINT')
ENDIF
!
!*    2.     grid cell corner (counterclockwise sense)
!            -----------------------------------------
!
!       4_______3
!       |       |
!       |   .   |
!       |       |
!       |_______|
!       1       2
!
 CALL get_gridtype_gauss(pgrid_par,ploninf=pcorner_lon(:,1), &
                                  platinf=pcorner_lat(:,1), &
                                  plonsup=pcorner_lon(:,3), &
                                  platsup=pcorner_lat(:,3)  )
!
pcorner_lon(:,2)=pcorner_lon(:,3)
pcorner_lat(:,2)=pcorner_lat(:,1)
!
pcorner_lon(:,4)=pcorner_lon(:,1)
pcorner_lat(:,4)=pcorner_lat(:,3)
!
IF (lhook) CALL dr_hook('GET_MESH_CORNER_GAUSS',1,zhook_handle)
!
!-------------------------------------------------------------------------------
END SUBROUTINE get_mesh_corner_gauss