Installing CLIMAF with CDAT

The CLIMAF installation is a special case, because we may want to use it with the Python installed for CDAT, but it is not installed using conda and should theoretically work with any available Python, as long as the directory where it is installed is correctly defined in the PYTHONPATH variable

We follow the steps for the installation of a non-standard server

Go to the appropriate installation directory (we choose the directory where we have also installed miniconda3):
- LSCE: cd /home/share/unix_files/cdat
- ciclad: /data/jypmce/cdat/
git clone https://github.com/senesis/climaf climaf
Add CLIMAF to the PYTHONPATH environment variable
- LSCE & tcsh: setenv PYTHONPATH ${PYTHONPATH}:/home/share/unix_files/cdat/climaf
- LSCE & bash: export PYTHONPATH=${PYTHONPATH}:/home/share/unix_files/cdat/climaf
- ciclad: same as above, using /data/jypmce/cdat/climaf
Test the installation
- make sure the Requirements are available:
  - LSCE: module load netcdf/4 nco cdo ncl ncview
  - ciclad: module load netcdf4 nco cdo ncl/6.3.0
  - optional: start an X server
  - ```
  cd climaf/testing
  ./test_install.sh
```

Once the tests are OK, add the required module load and environment variables definitions to the .basrc and .cshrc files

Maybe these lines should go to the .profile and .login files…(check Bash Startup Files)
Loading some modules may have some side-effects on CDAT. If that's the case, use module purge before initializing CDAT

LSCE: add to your ~/.cshrc file (check ciclad below if you are a bash user)

# Prerequisites for using CLIMAF
module load netcdf/4 nco cdo ncl ncview

# CLIMAF environment variables
setenv CLIMAF /home/share/unix_files/cdat/climaf
setenv PYTHONPATH "${PYTHONPATH}:${CLIMAF}"
#setenv PYTHONPATH $CLIMAF
setenv PATH "${PATH}:${CLIMAF}/bin"
setenv CLIMAF_CACHE "/home/scratch01/${USER}/climaf_cache"
setenv TMPDIR $CLIMAF_CACHE
setenv CLIMAF_LOG_DIR $CLIMAF_CACHE

#conda activate cdatm_py2

ciclad: add to your ~/.bashrc file

# Prerequisites for using CLIMAF when not using the 
# default 'module load climaf'
module load netcdf4 nco cdo ncl/6.3.0

# CLIMAF environment variables
export CLIMAF=/data/jypmce/cdat/climaf
#export PYTHONPATH=$PYTHONPATH:$CLIMAF
export PYTHONPATH=$CLIMAF
export PATH=$PATH:$CLIMAF/bin
export CLIMAF_CACHE=/data/jypmce/climaf_cache
export TMPDIR=$CLIMAF_CACHE
export CLIMAF_LOG_DIR=$CLIMAF_CACHE

#conda activate cdatm_py2

Open a new shell and run the tests again. If there is an error that was not there, check what you have added to the shell init files

We are now ready to start using CLIMAF on ciclad!

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