interpol_field.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 interpol_field (UG, U, &
                                 HPROGRAM,KLUOUT,KCODE,PFIELD,HFIELD,PDEF,KNPTS)
!     ################################################
!
!
!
!
USE modd_surf_atm_grid_n, ONLY : surf_atm_grid_t
USE modd_surf_atm_n, ONLY : surf_atm_t
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE modd_surf_par, ONLY : xundef
!
USE modi_abor1_sfx
USE modi_interpol_field2d
!
IMPLICIT NONE
!
!*    0.1    Declaration of arguments
!            ------------------------
!
!
TYPE(surf_atm_grid_t), INTENT(INOUT) :: UG
TYPE(surf_atm_t), INTENT(INOUT) :: U
!
 CHARACTER(LEN=6),        INTENT(IN)   :: HPROGRAM ! host program
INTEGER,                 INTENT(IN)   :: KLUOUT   ! output listing logical unit
INTEGER,DIMENSION(:),    INTENT(INOUT):: KCODE    ! code for each point
                                                  ! >0 point used for interpolation
                                                  !  0 point to interpolate
                                                  ! -1 point not used
                                                  ! -2 point not used
!                                                 ! -3 if spline is no computed
!                                                 ! for this point
REAL,   DIMENSION(:),    INTENT(INOUT):: PFIELD   ! pgd field on grid mesh
 CHARACTER(LEN=*),        INTENT(IN)   :: HFIELD   ! name of the field for prints
REAL,           OPTIONAL,INTENT(IN)   :: PDEF     ! default value if not enough data
INTEGER, OPTIONAL,       INTENT(IN)   :: KNPTS    ! number of points to interpolate with
!
!*    0.2    Declaration of local variables
!            ------------------------------
!
REAL, DIMENSION(SIZE(PFIELD),1) :: ZFIELD
REAL, DIMENSION(1)              :: ZDEF
INTEGER                         :: INPTS          ! number of points to interpolate with
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!----------------------------------------------------------------------------
IF (lhook) CALL dr_hook('INTERPOL_FIELD',0,zhook_handle)
!
inpts = 3
IF (PRESENT(knpts)) inpts = knpts
!
zfield(:,1) = pfield(:)
!
IF (PRESENT(pdef)) THEN
  zdef = pdef
  CALL interpol_field2d(ug, u, &
                        hprogram,kluout,kcode,zfield,hfield,zdef,knpts=inpts)
ELSE
  CALL interpol_field2d(ug, u, &
                        hprogram,kluout,kcode,zfield,hfield,knpts=inpts)
END IF
!
pfield(:)   = zfield(:,1)
IF (lhook) CALL dr_hook('INTERPOL_FIELD',1,zhook_handle)
!----------------------------------------------------------------------------
END SUBROUTINE interpol_field