** Install anaconda

The gravi_tools3 set of tools works with python 3 from anaconda.
You may need to update your anaconda if it is old and add the reportlab and svglib libraries:

  conda install reportlab
  conda install -c conda-forge pdfrw
  conda install -c conda-forge svglib
  conda upgrade anaconda

** Checkout the gravi_tools3 code:

svn co https://version-lesia.obspm.fr:/repos/DRS_gravity/gravi_tools3

** Install the python tools:

(1) Copy python_tools where you want, for example here $HOME/gravi_tools3

(2) Add these path in your bashrc:
export PATH=$PATH:$HOME/gravi_tools3:$HOME/gravi_tools3/gravi_shell:$HOME/gravi_tools3/gravi_quicklook
export PYTHONPATH=$HOME/gravi_tools3:$PYTHONPATH

need python version >= 3.10
need numpy version >= 1.20