GeoAPI is a set of .NET contracts and classes written in C# that define the fundamental operations required to validate a given geo-spatial data set to a known topological specification. Copyright (C) 2005-2014 NetTopologySuite team This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA For more information, please visit: https://github.com/NetTopologySuite/GeoAPI