#!/bin/sh
set -e
# integal of e3t*tmask along depth, -- DY, Jan/2019.

if [ $# -ne 3 ] ; then
  echo "Error in $0: invalid number of arguments $#"
  exit 1
fi

pfx=$1
inp=$2
out=$3

# Get CDO / TEMPORARY!
export PATH=/fs/ssm/hpco/exp/mib002/anaconda/anaconda-4.4.0/anaconda_4.4.0_ubuntu-14.04-amd64-64/envs/cdo-1.9.0/bin:$PATH

release inp nemo_mesh_mask
rm -f tmp*

# access inp & nemo_mesh_mask.nc
access nemo_mesh_mask nemo_mesh_mask_rc3.nc
access inp ${pfx}_${inp}.nc

# deptho = e3t * tmask
ncap2 -O -s "deptho=e3t*tmask" nemo_mesh_mask tmp1

# integral of -e3t*tmask along depth
ncwa -N -a z -v deptho tmp1 tmp2

# Rename t to time_counter
ncrename -d t,time_counter -v deptho,areacello tmp2 ${pfx}_${out}

chmod uo+w ${pfx}_${out}

# Select nav_lon & nav_lat
ncks -O -C -a -v nav_lon,nav_lat inp tmp3

# Append nav_lat & nav_lon
ncks -A tmp3 ${pfx}_${out}

release inp nemo_mesh_mask
rm -f tmp*