Update README.md

ElectromagneticScattering/README.md

@@ -22,3 +22,18 @@ Open `scattering.pro` with Gmsh.
 ## Authors
 
 Guillaume Demésy and Brian Stout
+
+## Installation Note
+To enable Python[] function in GetDP, follow [these instructions](https://gitlab.onelab.info/getdp/getdp/wikis/GetDP-compilation) (complex arithmetic) and add to the final cmake line:
+`-DENABLE_PYTHON=ON -DPYTHON_LIBRARY=/path/to/pythonlib -DPYTHON_INCLUDE_DIR=/path/to/python/include`
+
+On Debian for python3.6 installed with apt-get, 
+/path/to/pythonlib is 
+/usr/lib/x86_64-linux-gnu/libpython3.6m.so
+
+/path/to/python/include is
+/usr/include/python3.6m
+
+For python versions installed through anaconda, common locations are:
+/somepath/anaconda3/envs/py36/lib/libpython3.6m.so
+/somepath/anaconda3/envs/py36/include/python3.6m