Clipper

Polygon clipping and offsetting library (C++, C#, Delphi)

User Ratings

95% recommended

Simple, very fast, stable. Right license.

Using GIS data frequently encountered datastet cut up regular grid, and this library is not suitable for this. (see Open Discussion).

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Posted by Eternity — 2013-05-09

Works fine. Easy to integrate, an good support from Angus.
Posted by Adam — 2013-02-13

polyclipping works perfectly, thanks
Posted by Logan — 2012-12-17

no trouble to install and run, works nicely.
Posted by OpenID User — 2012-12-11

Areal coverage of result of boolean op is correct and excellent.However if you are interested only in the boundries of the result polygons ..then clipper is NOT suitable for that.
Posted by Ryan — 2012-10-25

polyclipping works nicely
Posted by williamhansen — 2012-09-09

great product