! !************************************************************************ ! Fortran 95 OPA Nesting tools * ! * ! Copyright (C) 2005 Florian Lemari�(Florian.Lemarie@imag.fr) * ! * !************************************************************************ ! PROGRAM create_rstrt_ice ! USE NETCDF USE bilinear_interp USE bicubic_interp USE agrif_readwrite USE io_netcdf USE agrif_extrapolation USE agrif_interpolation USE agrif_partial_steps USE agrif_connect_topo ! IMPLICIT NONE ! !************************************************************************ ! * ! PROGRAM CREATE_RSTRT_ICE * ! * ! program to interpolate parent grid restart file to child grid * ! * ! * !Interpolation is carried out using bilinear interpolation * !routine from SCRIP package * ! * !http://climate.lanl.gov/Software/SCRIP/ * !************************************************************************ ! ! variables declaration ! CHARACTER*20,DIMENSION(:),POINTER :: Ncdf_varname => NULL() CHARACTER*20 :: vert_coord_name CHARACTER*1 :: posvar CHARACTER*100 :: Child_file,Childcoordinates,varname,Child_Bathy_Level,Child_Bathy_Meter REAL*8, POINTER, DIMENSION(:,:,:) :: tabvar00, tabvar3d,mask => NULL() REAL*8, POINTER, DIMENSION(:,:,:,:) :: tabinterp4d,tabvar0,tabvar1,tabvar2,tabvar3 => NULL() REAL*8, POINTER, DIMENSION(:) :: tabtemp1D,nav_lev => NULL() REAL*8, POINTER, DIMENSION(:,:) :: tabtemp2D => NULL() INTEGER,DIMENSION(:),POINTER :: src_add,dst_add => NULL() REAL*8,DIMENSION(:,:),POINTER :: matrix => NULL() LOGICAL,DIMENSION(:,:),POINTER :: masksrc => NULL() LOGICAL, DIMENSION(:,:,:), POINTER :: detected_pts LOGICAL :: Interpolation,Extrapolation,Pacifique INTEGER :: narg,iargc,ncid,x,y,z INTEGER :: ii,jl,status,varid,numdims CHARACTER(len=20),DIMENSION(4) :: dimnames CHARACTER(len=80) :: namelistname TYPE(Coordinates) :: G0,G1 INTEGER :: jpl REAL*8 :: tabtemp0dreal LOGICAL, PARAMETER :: conservation = .FALSE. ! narg = iargc() IF (narg == 0) THEN namelistname = 'namelist.input' ELSE CALL getarg(1,namelistname) ENDIF ! ! read input file ! CALL read_namelist(namelistname) ! IF(TRIM(restart_ice_file) == '') THEN WRITE(*,*) 'no ice restart file specified in ',TRIM(namelistname) STOP ENDIF ! WRITE(*,*) '' WRITE(*,*) 'Interpolation of restart file : ',TRIM(restart_ice_file) WRITE(*,*) '' ! CALL Read_Ncdf_VarName(restart_ice_file,Ncdf_varname) ! CALL set_child_name(parent_coordinate_file,Childcoordinates) IF( TRIM(parent_bathy_level) /= '' ) CALL set_child_name(parent_bathy_level,Child_Bathy_Level) IF( TRIM(parent_bathy_meter) /= '' ) CALL set_child_name(parent_bathy_meter,Child_Bathy_Meter) ! ! create this file ! CALL set_child_name(restart_ice_file,Child_file) status = nf90_create(Child_file,NF90_WRITE,ncid) status = nf90_close(ncid) WRITE(*,*) 'Child grid restart file name = ',TRIM(Child_file) WRITE(*,*) '' ! ! read dimensions in parent restart file ! CALL Read_Ncdf_dim('x',restart_ice_file,x) CALL Read_Ncdf_dim('y',restart_ice_file,y) CALL Read_Ncdf_dim('numcat',restart_ice_file,z) ! ! mask initialization for extrapolation and interpolation ! WRITE(*,*) 'mask initialisation on coarse and fine grids' ! status = Read_Local_Coordinates(parent_coordinate_file,G0,(/jpizoom,jpjzoom/),(/x,y/)) status = Read_Coordinates(Childcoordinates,G1,Pacifique) ! !longitude modification if child domain covers Pacific ocean area ! IF( Pacifique ) THEN WHERE( G0%nav_lon < 0 ) G0%nav_lon = G0%nav_lon + 360. END WHERE WHERE( G1%nav_lon < 0 ) G1%nav_lon = G1%nav_lon + 360. END WHERE ENDIF ! ! one needs bathy_level IF( TRIM(parent_bathy_level) /= '' ) THEN status = Read_bathy_level(TRIM(parent_bathy_level),G0) status = Read_bathy_level(TRIM(child_bathy_level),G1) ELSE status = read_bathy_meter(TRIM(parent_bathy_meter),G0) status = read_bathy_meter(TRIM(child_bathy_meter),G1) CALL meter_to_levels(G0) CALL meter_to_levels(G1) ENDIF ! get masks CALL Init_mask(parent_bathy_level,G0,x,y) CALL Init_mask(child_bathy_level,G1,nxfin,nyfin) ! ! write dimensions in output file WRITE(*,*) 'write dimensions' ! CALL Write_Ncdf_dim('x',Child_file,nxfin) CALL Write_Ncdf_dim('y',Child_file,nyfin) CALL Write_Ncdf_dim('numcat',Child_file,z) CALL Write_Ncdf_dim('time_counter',Child_file,0) ! ! DO ii = 1,SIZE(Ncdf_varname) ! ! loop on variables names varname = TRIM(Ncdf_varname(ii)) ! WRITE(*,*) 'var = ',TRIM(varname) ! SELECT CASE (varname) ! !copy nav_lon from child coordinates to output file ! CASE('nav_lon') CALL Read_Ncdf_var(varname,TRIM(Childcoordinates),tabtemp2D) CALL Write_Ncdf_var(varname,(/'x','y'/),Child_file,tabtemp2D,'float') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file, MINVAL(tabtemp2D),MAXVAL(tabtemp2D)) DEALLOCATE(tabtemp2D) Interpolation = .FALSE. ! !copy nav_lat from child coordinates to output file ! CASE('nav_lat') CALL Read_Ncdf_var(varname,TRIM(Childcoordinates),tabtemp2D) CALL Write_Ncdf_var(varname,(/'x','y'/),Child_file,tabtemp2D,'float') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file,MINVAL(tabtemp2D),MAXVAL(tabtemp2D)) DEALLOCATE(tabtemp2D) Interpolation = .FALSE. ! !copy numcat from restart_ice_file to output file ! CASE('numcat') CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),nav_lev) CALL Write_Ncdf_var(varname,varname,Child_file,nav_lev,'float') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) Interpolation = .FALSE. ! !copy time from restart_ice_file to output file ! CASE('time_counter') CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp1D) tabtemp1D = tabtemp1D * rhot CALL Write_Ncdf_var(varname,'time_counter',Child_file,tabtemp1D,'double') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) DEALLOCATE(tabtemp1D) Interpolation = .FALSE. ! !copy info from restart_ice_file to output file ! CASE('kt_ice') CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp0dreal) tabtemp0dreal = tabtemp0dreal * rhot CALL Write_Ncdf_var(varname,Child_file,tabtemp0dreal,'double') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) Interpolation = .FALSE. ! CASE('nn_fsbc') CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp0dreal) CALL Write_Ncdf_var(varname,Child_file,tabtemp0dreal,'double') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) Interpolation = .FALSE. ! CASE('frc_voltop','frc_volbot','frc_temtop','frc_tembot') CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp0dreal) CALL Write_Ncdf_var(varname,Child_file,tabtemp0dreal,'double') CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) Interpolation = .FALSE. ! CASE('u_ice') vert_coord_name = '1' posvar='U' Interpolation = .TRUE. CASE('v_ice') vert_coord_name = '1' posvar='V' Interpolation = .TRUE. CASE('stress12_i') vert_coord_name = '1' posvar='F' Interpolation = .TRUE. CASE DEFAULT IF( Get_NbDims(TRIM(varname),TRIM(restart_ice_file)) == 4 ) THEN vert_coord_name = 'numcat' ELSEIF( Get_NbDims(TRIM(varname),TRIM(restart_ice_file)) == 3 ) THEN vert_coord_name = '1' ENDIF posvar='T' Interpolation = .TRUE. ! END SELECT ! --- start interpolation --- ! IF( Interpolation ) THEN ! ! IF( vert_coord_name == '1' ) THEN jpl = 1 ELSE jpl = z ENDIF ! ALLOCATE(detected_pts(SIZE(G0%tmask,1),SIZE(G0%tmask,2),jpl)) ALLOCATE(tabvar00(x,y,1)) ALLOCATE(tabvar0(x,y,jpl,1)) ALLOCATE(tabvar1(x,y,1,1)) ALLOCATE(tabvar2(x,y,1,1)) ALLOCATE(tabvar3(x,y,1,1)) ALLOCATE(masksrc(x,y)) ALLOCATE(tabinterp4d(nxfin,nyfin,jpl,1)) IF( vert_coord_name == '1' ) THEN CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabvar00) ELSE CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabvar0) ENDIF DO jl = 1, jpl ! WRITE(*,*) 'interpolate/extrapolate for category = ',jl ! IF( vert_coord_name == '1' ) THEN tabvar1(:,:,1,1) = tabvar00(:,:,1) tabvar2(:,:,1,1) = tabvar00(:,:,1) tabvar3(:,:,1,1) = tabvar00(:,:,1) ELSE tabvar1(:,:,1,1) = tabvar0(:,:,jl,1) tabvar2(:,:,1,1) = tabvar0(:,:,jl,1) tabvar3(:,:,1,1) = tabvar0(:,:,jl,1) ENDIF ! CALL extrap_detect(G0,G1,detected_pts(:,:,jl),1,posvar) CALL correct_field(detected_pts(:,:,jl),tabvar1,tabvar2,tabvar3,G0,nav_lev,masksrc,1,posvar) !clem: nav_lev is useless here SELECT CASE(TRIM(interp_type)) CASE('bilinear') CALL get_remap_matrix(G0%nav_lat,G1%nav_lat,G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) CALL make_remap(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1),nxfin,nyfin,matrix,src_add,dst_add) CASE('bicubic') CALL get_remap_bicub(G0%nav_lat,G1%nav_lat,G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) CALL make_bicubic_remap(tabvar1(:,:,1,1),masksrc,tabinterp4d(:,:,jl,1),nxfin,nyfin,matrix,src_add,dst_add) END SELECT ! IF( conservation ) THEN ! clem: currently this does not work (and is only coded for T) SELECT CASE (posvar) CASE( 'T' ) CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & & G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) CASE( 'U' ) CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & & G0%e1u,G0%e2u,G1%e1u,G1%e2u,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) CASE( 'V' ) CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & & G0%e1v,G0%e2v,G1%e1v,G1%e2v,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) CASE( 'F' ) CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & & G0%e1f,G0%e2f,G1%e1f,G1%e2f,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) END SELECT ENDIF tabinterp4d(:,:,jl,1) = tabinterp4d(:,:,jl,1) * G1%tmask(:,:,1) IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,src_add,dst_add) ENDDO dimnames(1)='x' dimnames(2)='y' IF( vert_coord_name == '1' ) THEN dimnames(3)='time_counter' ALLOCATE(tabvar3d(SIZE(tabinterp4d,1),SIZE(tabinterp4d,2),SIZE(tabinterp4d,3))) tabvar3d=tabinterp4d(:,:,:,1) CALL Write_Ncdf_var(varname,dimnames,Child_file,tabvar3d,'double') DEALLOCATE(tabvar3d) ELSE dimnames(3)='numcat' dimnames(4)='time_counter' CALL Write_Ncdf_var(TRIM(varname),dimnames,Child_file,tabinterp4d,'double') ENDIF ! CALL Copy_Ncdf_att(TRIM(varname),TRIM(restart_ice_file),Child_file) DEALLOCATE(detected_pts) DEALLOCATE(tabinterp4d) DEALLOCATE(tabvar00, tabvar0, tabvar1,tabvar2,tabvar3) DEALLOCATE(masksrc) ENDIF END DO ! WRITE(*,*) ' ' WRITE(*,*) ' --- list of all the variables that have been interpolated --- ' WRITE(*,*) Ncdf_varname WRITE(*,*) ' ' WRITE(*,*) '******* restart file successfully created *******' WRITE(*,*) ' ' ! STOP END PROGRAM create_rstrt_ice