get_mesh_dim.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(HGRID,KGRID_PAR,KL,PGRID_PAR,PDX,PDY,PMESHSIZE)
!     ##############################################################
!
!!**** *GET_MESH_DIM* get the grid mesh dimensions
!!
!!    PURPOSE
!!    -------
!!
!!    METHOD
!!    ------
!!   
!!    REFERENCE
!!    ---------
!!
!!    AUTHOR
!!    ------
!!
!!    V. Masson         Meteo-France
!!
!!    MODIFICATION
!!    ------------
!!
!!    Original    03/2004
!!    P. Samuelsson   SMHI   10/2014   Rotated lonlat
!!
!----------------------------------------------------------------------------
!
!*    0.     DECLARATION
!            -----------
!
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE modi_get_mesh_dim_conf_proj
USE modi_get_mesh_dim_gauss
USE modi_get_mesh_dim_ign
USE modi_get_mesh_dim_lonlat_reg
USE modi_get_mesh_dim_lonlatval
USE modi_get_mesh_dim_lonlat_rot
IMPLICIT NONE
!
!*    0.1    Declaration of arguments
!            ------------------------
!
 CHARACTER(LEN=10),               INTENT(IN)    :: hgrid     ! grid type
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)
REAL,    DIMENSION(KL),          INTENT(IN)    :: pmeshsize ! mesh size (m2)
REAL(KIND=JPRB) :: zhook_handle
!
!*    0.2    Declaration of other local variables
!            ------------------------------------
!
!----------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('GET_MESH_DIM',0,zhook_handle)
SELECT CASE (hgrid)
!     
  CASE("CONF PROJ ")
    CALL get_mesh_dim_conf_proj(kgrid_par,kl,pgrid_par,pdx,pdy)

  CASE("LONLAT REG")
    CALL get_mesh_dim_lonlat_reg(kgrid_par,kl,pgrid_par,pdx,pdy)

  CASE("GAUSS     ")
    CALL get_mesh_dim_gauss(kgrid_par,kl,pgrid_par,pmeshsize,pdx,pdy)

  CASE("IGN       ")
    CALL get_mesh_dim_ign(kgrid_par,kl,pgrid_par,pdx,pdy)

  CASE("LONLATVAL ")
    CALL get_mesh_dim_lonlatval(kgrid_par,kl,pgrid_par,pdx,pdy)

  CASE("LONLAT ROT")
    CALL get_mesh_dim_lonlat_rot(kgrid_par,kl,pgrid_par,pdx,pdy)

  CASE("NONE      ")
    pdx(:) = sqrt(pmeshsize)
    pdy(:) = sqrt(pmeshsize)

END SELECT
IF (lhook) CALL dr_hook('GET_MESH_DIM',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END SUBROUTINE get_mesh_dim