source: trunk/libIGCM/libIGCM_post/IGCM_Patch_20091118_mask.ksh @ 201

#!/bin/ksh

#------------------------------------------------------------
# Add mask from meshmask file to oceanic variables
#------------------------------------------------------------

function IGCM_Patch_20091118_mask {

    set -vx
    IGCM_debug_PushStack "IGCM_Patch_mask" $@

    [ -f ${config_UserChoices_JobName}_mesh_mask.nc ] || IGCM_sys_Get ${R_SAVE}/OCE/Output/${config_UserChoices_JobName}_mesh_mask.nc .

    filename=${1}

    chaineT=${filename%%'grid_T'*}
    chaineU=${filename%%'grid_U'*}
    chaineV=${filename%%'grid_V'*}
    chaineW=${filename%%'grid_W'*}
    chaineIce=${filename%%'icemod'*}

    if [ ${filename} != ${chaineT} ]; then
        mask='tmask' ; depth='deptht'
    elif [ ${filename} != ${chaineU} ]; then
        mask='umask' ; depth='depthu'
    elif [ ${filename} != ${chaineV} ]; then
        mask='vmask' ; depth='depthv'
    elif [ ${filename} != ${chaineW} ]; then
        mask='tmask' ; depth='depthw'
    elif [ ${filename} != ${chaineIce} ]; then
        mask='tmask' ; depth='deptht'
    fi

#============================================
# Remove nav_lon, nav_lat file
    IGCM_sys_ncks -Oh -x -v nav_lon,nav_lat ${filename} file1.nc

#============================================
# Extract mask variable
    IGCM_sys_ncks -Oh -v ${mask} ${config_UserChoices_JobName}_mesh_mask.nc mask3D.nc

#============================================
# Rename deptht dimension
    IGCM_sys_ncrename -Oh -d z,${depth} mask3D.nc

#============================================
# Remove single dimension t
    IGCM_sys_ncwa -Oh -a t mask3D.nc mask3D.nc

#============================================
# Create mask2D 
    IGCM_sys_ncks -Oh -d ${depth},0,0 mask3D.nc mask2D.nc
    IGCM_sys_ncwa -Oh -a ${depth} mask2D.nc mask2D.nc
    IGCM_sys_ncrename -v ${mask},mask2D mask2D.nc

#============================================
# Append mask (2D) to file1.nc
    IGCM_sys_ncks -Ah -c -v mask2D mask2D.nc file1.nc

    if [ ${filename} = ${chaineIce} ]; then

#============================================
# Append mask (3D) only for oceanic files
        IGCM_sys_ncks -Ah -v ${mask} mask3D.nc file1.nc
        IGCM_sys_ncrename -v ${mask},mask3D file1.nc

#============================================
# Add record dimension only for oceanic files
        IGCM_sys_ncecat -Oh file1.nc file1.nc

#============================================
# Apply mask 3D only for oceanic files
        IGCM_sys_ncwa -Oh -a record -B 'mask3D==1' file1.nc file1.nc

    fi

#============================================
# Add record dimension
    IGCM_sys_ncecat -Oh file1.nc file1.nc

#============================================
# Apply mask 2D
    IGCM_sys_ncwa -Oh -a record -B 'mask2D==1' file1.nc file1.nc

#============================================
# Remove mask
    IGCM_sys_ncks -Oh -x -v mask2D,mask3D file1.nc file_mask.nc

#============================================
# Add nav_lon nav_lat
    IGCM_sys_ncks -Ah -v nav_lon,nav_lat ${filename} file_mask.nc

#============================================
# Cleaning
    IGCM_debug_Verif_Exit_Post
    IGCM_sys_Mv file_mask.nc ${filename}
    IGCM_sys_Rm mask3D.nc mask2D.nc file1.nc
    
    IGCM_debug_PopStack "IGCM_Patch_mask"
}