pack_grid.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 pack_grid(KMASK,HGRID1,HGRID2,PGRID_PAR1,PGRID_PAR2)
!     ##############################################################
!
!!**** *PACK_GRID* packs the grid definition vector
!!
!!    PURPOSE
!!    -------
!!
!!    METHOD
!!    ------
!!   
!!    REFERENCE
!!    ---------
!!
!!    AUTHOR
!!    ------
!!
!!    V. Masson         Meteo-France
!!
!!    MODIFICATION
!!    ------------
!!
!!    Original    03/2004
!!    P. Samuelsson   SMHI   12/2012  Rotated lonlat
!!
!----------------------------------------------------------------------------
!
!*    0.     DECLARATION
!            -----------
!
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE modi_abor1_sfx
!
USE modi_pack_grid_cartesian
!
USE modi_pack_grid_conf_proj
!
USE modi_pack_grid_gauss
!
USE modi_pack_grid_ign
!
USE modi_pack_grid_lonlat_reg
!
USE modi_pack_grid_lonlatval
!
USE modi_pack_grid_lonlat_rot
IMPLICIT NONE
!
!*    0.1    Declaration of arguments
!            ------------------------
!
INTEGER, DIMENSION(:), INTENT(IN) :: KMASK      ! mask used
 CHARACTER(LEN=10),     INTENT(IN) :: HGRID1     ! input grid type
 CHARACTER(LEN=10),     INTENT(OUT):: HGRID2     ! output grid type
REAL,    DIMENSION(:), POINTER    :: PGRID_PAR1 ! parameters of input grid
REAL,    DIMENSION(:), POINTER    :: PGRID_PAR2 ! parameters of output packed grid
!
!*    0.2    Declaration of other local variables
!            ------------------------------------
!
INTEGER :: KGRID_PAR2 ! size of packed grid vector
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!----------------------------------------------------------------------------
!
!*    1.     Chooses grid type
!            -----------------
!
IF (lhook) CALL dr_hook('PACK_GRID',0,zhook_handle)
hgrid2 = hgrid1
!
!
!*    2.     Computes grid parameters
!            ------------------------
!
SELECT CASE (hgrid1)
!     
  CASE("CONF PROJ ","LONLAT REG","CARTESIAN","GAUSS     ","IGN       ","LONLATVAL ","LONLAT ROT")
    !
    !
    kgrid_par2 = 0
    ALLOCATE(pgrid_par2(0))
    IF (hgrid1=="CONF PROJ ") &
      CALL pack_grid_conf_proj(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    IF (hgrid1=="CARTESIAN ") &
      CALL pack_grid_cartesian(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    IF (hgrid1=="LONLAT REG") &
      CALL pack_grid_lonlat_reg(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    IF (hgrid1=="GAUSS     ") &
      CALL pack_grid_gauss(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    IF (hgrid1=="IGN       ") &
      CALL pack_grid_ign(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    IF (hgrid1=="LONLATVAL ") &
      CALL pack_grid_lonlatval(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    IF (hgrid1=="LONLAT ROT") &
      CALL pack_grid_lonlat_rot(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.false.,pgrid_par2)  
    
    DEALLOCATE(pgrid_par2)
    !
    ALLOCATE(pgrid_par2(kgrid_par2))
    IF (hgrid1=="CONF PROJ ") &
      CALL pack_grid_conf_proj(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    IF (hgrid1=="CARTESIAN ") &
      CALL pack_grid_cartesian(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    IF (hgrid1=="LONLAT REG") &
      CALL pack_grid_lonlat_reg(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    IF (hgrid1=="GAUSS     ") &
      CALL pack_grid_gauss(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    IF (hgrid1=="IGN       ") &
      CALL pack_grid_ign(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    IF (hgrid1=="LONLATVAL ") &
      CALL pack_grid_lonlatval(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    IF (hgrid1=="LONLAT ROT") &
      CALL pack_grid_lonlat_rot(SIZE(kmask),kmask,SIZE(pgrid_par1),pgrid_par1,kgrid_par2,.true.,pgrid_par2)  
    !
  CASE DEFAULT
    CALL abor1_sfx('PACK_GRID: GRID TYPE NOT SUPPORTED '//hgrid1)

END SELECT
IF (lhook) CALL dr_hook('PACK_GRID',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END SUBROUTINE pack_grid