COPYING

This distribution uses "TensorFlow library", 
which is covered by its own Apache 2.0 License.

This distribution uses "NumPy library", 
which is covered by its own NumPy License.

This distribution uses "SciPy library", 
which is covered by its own SciPy License.

This distribution includes modified source to "Configurable Math Library", 
which is covered by its own Boost Software License. 

This distribution includes modified source to "Eigen library", 
which is covered by its own MPL2 License.

This distribution includes modified source to "FreeImage library", 
which is covered by its own GPLv2, GPLv3 and FIPL License.

This distribution includes modified source to "GLEW library", 
which is covered by its own BSD and MIT License.

This distribution includes modified source to "libigl library", 
which is covered by its own MPL2 License.

This distribution includes modified source to "Thea library", 
which is covered by its own BSD License.

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All the other code is distributed as part of the "Sketch Modeling" project
which is covered by the following license:

Copyright (c) 2017 - Zhaoliang Lun / UMass-Amherst

This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This software is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this software.  If not, see <http://www.gnu.org/licenses/>.