Copyright of University of Lyon, 2012 - 2023.

The UD-Viz software is [open source](https://en.wikipedia.org/wiki/Open_source?useskin=vector) 
and distributed under the GNU Lesser General Public License Version 2.1 (refer to the accompanying file LICENSE-lgpl-2.1.txt or a copy at [https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) )

UD-Viz software is registered by [Pulsalys](https://www.pulsalys.fr/) under number L1765.