ESMFL_FieldRegrid Subroutine

 subroutine ESMFL_FieldRegrid(src, dst, RC)
   type(ESMF_Field) :: src
   type(ESMF_Field) :: dst
   integer, optional, intent(OUT) :: rc


! local vars
#if 0
   type (ESMF_Grid) :: srcgrid, dstgrid
   type (ESMF_DELayout) :: layout
   type (ESMF_Array)    :: array
   integer              :: DIMS(3)
   integer              :: IM_SRC, JM_SRC
   integer              :: IM_DST, JM_DST
   integer              :: J
   real, dimension(:,:), pointer :: lats, lons, z0, z, h
   real, parameter               :: EPS=1.0E-3
   real                          :: ZPOLE
#endif

   _UNUSED_DUMMY(src)
   _UNUSED_DUMMY(dst)

#if 0
! begin
   call ESMF_FieldGetGrid(src, srcgrid, rc=status)
   _VERIFY(STATUS)

   call ESMF_GridGet(SRCGRID, global_cell_dim=dims, RC=STATUS)
   _VERIFY(STATUS)

   IM_SRC = DIMS(1)
   JM_SRC = DIMS(2)

   call ESMF_GridGetDELayout(srcgrid, layout=layout, rc=status)
   _VERIFY(STATUS)

   call ESMF_FieldGetGrid(dst, dstgrid, rc=status)
   _VERIFY(STATUS)

   call ESMF_GridGetDELocalInfo(DSTGRID, LOCAL_AXIS_LENGTH=DIMS, RC=STATUS)
   _VERIFY(STATUS)

   IM_DST = DIMS(1)
   JM_DST = DIMS(2)

   call ESMFL_GridCoordGet(   DSTGRID, LATS                   , &
                              Name     = "Latitude"              , &
                              Location = ESMF_CELL_CENTER        , &
                              Units    = MAPL_UnitsRadians      , &
                              RC       = STATUS                    )
   _VERIFY(STATUS)

   call ESMFL_GridCoordGet(   DSTGRID, LONS                   , &
                              Name     = "Longitude"             , &
                              Location = ESMF_CELL_CENTER        , &
                              Units    = MAPL_UnitsRadians      , &
                              RC       = STATUS                    )
   _VERIFY(STATUS)



   call ESMF_FieldAllGather(src, array=array, rc=status)
   _VERIFY(STATUS)

   call ESMF_ArrayGetData(array, z0, RC=status)
   _VERIFY(STATUS)

   call ESMF_FieldGetData(dst, array, rc=status)
   _VERIFY(STATUS)

   call ESMF_ArrayGetData(array, z, RC=status)
   _VERIFY(STATUS)

! binning

   call topo_bin (z0, im_src, jm_src, z, lons(:,1), lats(1,:), &
                  im_dst,jm_dst)
!   _VERIFY(STATUS)


! do I have the pole?
   call ESMF_FieldAllGather(dst, array=array, rc=status)
   _VERIFY(STATUS)

   call ESMF_ArrayGetData(array, h, RC=status)
   _VERIFY(STATUS)

   DO J = 1, JM_DST
      IF (ABS(ABS(LATS(1,J)) - 0.5*PI) .LT. EPS) then
! yes, I have the pole
         ZPOLE = SUM(h(:,J))/SIZE(H,1)
         Z(:,J) = ZPOLE
      end IF
   END DO
#endif

   _RETURN(ESMF_SUCCESS)
 end subroutine ESMFL_FieldRegrid