Compute union of two arbitrary shapes

Question

I\'m working on an application, I need to be able to combine two overlapping arbitrary shapes as drawn by the user. This would be a Union operation on the two shapes. The re

Answer 1

There seems to be also a javascript api:

https://github.com/bjornharrtell/jsts/

which seems to implement the jts standard and has several differnt implementations:

http://tsusiatsoftware.net/jts/jts-links.html#ports

all of them should be able to perform union etc:

http://tsusiatsoftware.net/jts/JTSUser/contents.html

But csg.js is the most impressive project IMO

https://github.com/evanw/csg.js