This software is licensed under the terms of the CeCILL-B license.
You may obtain a copy of the license at:
http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt (english)
http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.txt (french)
Copyright (c) 2021 IGN