You might be interested in JSClipper [1]: "Clipper is a robust library for polygon boolean operations and offsetting". See the demo here [2]. [1] http://jsclip

You might be interested in JSClipper [1]: "Clipper is a robust library for polygon boolean operations and offsetting". See the demo here [2]. [1] http://jsclipper.sourceforge.net/ http://jsclipper.sourceforge.net/ [2] http://jsclipper.sourceforge.net/6.1.1.1/main_demo.html http://jsclipper.sourceforge.net/6.1.1.1/main_demo.html