The General Polygon Clipper (GPC) is a software library providing for computing the results of clipping operations on sets of polygons. It generalises the computer graphics clipping problem of intersecting polygons with polygons.
The first release of GPC was designed and implemented in 1997 at the University of Manchester by Alan Murta. As of August 2009 the current GPC release was version 2.32.
GPC is free for non-commercial use, and its author encourages the free use of GPC to support research, teaching and academic applications.
To use GPC in support of commercial applications, a Licence from the University of Manchester is required. The Licensing Manager at the University of Manchester is Toby Howard.
The core GPC library is written in the C programming language. The library has also been ported to work with several other languages.
Read more about General Polygon Clipper: Features of GPC, Examples of GPC Operations On Sets of Polygons, Ports and Language Bindings, Licensing Arrangements
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