The Polygon Clipper (based on the gpc-library) is used to performe algebraic operations on two polygons.
Given two arbitrary polygons (which may self intersect, may contain holes, may be constructed of several contours) the Polygon Clipper is used to calculate the resulting polygon for the operations diff, union, AND, XOR.
All polygons are specified as structures as described in the example.m-file.
Credit for the gpc-library goes to Alan Murta (s. ReadMe.txt). |