get_mesh_dim_lonlatval.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_dim_lonlatval(KGRID_PAR,KL,PGRID_PAR,PDX,PDY)
!     ##############################################################
!
!!**** *GET_MESH_DIM_LONLATVAL* get the grid mesh dimensions
!!
!!    PURPOSE
!!    -------
!!
!!    METHOD
!!    ------
!!   
!!    REFERENCE
!!    ---------
!!
!!    AUTHOR
!!    ------
!!
!!    E. Martin         Meteo-France
!!
!!    MODIFICATION
!!    ------------
!!
!!    Original    10/2007
!!
!----------------------------------------------------------------------------
!
!*    0.     DECLARATION
!            -----------
!
USE modd_csts, ONLY : xpi, xradius
!
USE mode_gridtype_lonlatval
!
!
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
REAL,    DIMENSION(KGRID_PAR),   INTENT(IN)    :: PGRID_PAR ! grid parameters
REAL,    DIMENSION(KL),          INTENT(OUT)   :: PDX       ! dimension in x dir. (meters)
REAL,    DIMENSION(KL),          INTENT(OUT)   :: PDY       ! dimension in y dir. (meters)
!
!*    0.2    Declaration of other local variables
!            ------------------------------------
!
INTEGER             :: ILAMBERT ! Lambert type
REAL, DIMENSION(KL) :: ZX       ! X Lambert   coordinate
REAL, DIMENSION(KL) :: ZY       ! Y Lambert   coordinate
REAL, DIMENSION(KL) :: ZLAT     ! latitude
REAL, DIMENSION(KL) :: ZLON     ! longitude
REAL, DIMENSION(KL) :: ZMAP     ! map factor
REAL(KIND=JPRB) :: ZHOOK_HANDLE

!----------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('GET_MESH_DIM_LONLATVAL',0,zhook_handle)
 CALL get_gridtype_lonlatval(pgrid_par,px=zx,py=zy,pdx=pdx,pdy=pdy      )
!
!---------------------------------------------------------------------------
!
!*       2.    Computation of latitude and longitude
!              -------------------------------------
!
 CALL latlon_lonlatval(zx,zy,zlat,zlon)
!
!-----------------------------------------------------------------------------
!
!*       3.    Compute grif size
!              -----------------
!
pdx(:) = pdx(:) * (xpi / 180.) * xradius * cos(zlat(:)*xpi/180.) 
pdy(:) = pdy(:) * (xpi / 180.) * xradius 
IF (lhook) CALL dr_hook('GET_MESH_DIM_LONLATVAL',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END SUBROUTINE get_mesh_dim_lonlatval