get_near_meshes.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_near_meshes(HGRID,KGRID_PAR,KL,PGRID_PAR,KNEAR_NBR,KNEAR)
!     ##############################################################
!
!!**** *GET_NEAR_MESHES* get the near grid mesh indices
!!
!!    PURPOSE
!!    -------
!!
!!    METHOD
!!    ------
!!   
!!    REFERENCE
!!    ---------
!!
!!    AUTHOR
!!    ------
!!
!!    V. Masson         Meteo-France
!!
!!    MODIFICATION
!!    ------------
!!
!!    Original    03/2004
!!                10/2007 IGN Grids
!!                P. Samuelsson  SMHI 10/2014 Rotated lonlat
!!
!----------------------------------------------------------------------------
!
!*    0.     DECLARATION
!            -----------
!
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE modi_get_near_meshes_cartesian
USE modi_get_near_meshes_conf_proj
USE modi_get_near_meshes_gauss
USE modi_get_near_meshes_ign
USE modi_get_near_meshes_lonlat_reg
USE modi_get_near_meshes_lonlatval
USE modi_get_near_meshes_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
INTEGER,                         INTENT(IN)    :: knear_nbr ! number of nearest points wanted
REAL,    DIMENSION(KGRID_PAR),   INTENT(IN)    :: pgrid_par ! grid parameters
INTEGER, DIMENSION(:,:),POINTER :: knear     ! near mesh indices
REAL(KIND=JPRB) :: zhook_handle
!
!*    0.2    Declaration of other local variables
!            ------------------------------------
!
!----------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('GET_NEAR_MESHES',0,zhook_handle)
SELECT CASE (hgrid)
!     
  CASE("CONF PROJ ")
    CALL get_near_meshes_conf_proj(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("CARTESIAN ")
    CALL get_near_meshes_cartesian(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("LONLAT REG")
    CALL get_near_meshes_lonlat_reg(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("GAUSS     ")
    CALL get_near_meshes_gauss(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("IGN       ")
    CALL get_near_meshes_ign(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("LONLATVAL ")
    CALL get_near_meshes_lonlatval(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("LONLAT ROT")
    CALL get_near_meshes_lonlat_rot(kgrid_par,kl,pgrid_par,knear_nbr,knear)

  CASE("NONE      ")
    knear(:,:) = 0

END SELECT
IF (lhook) CALL dr_hook('GET_NEAR_MESHES',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END SUBROUTINE get_near_meshes