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

Implementing boolean operations correctly is not trivial; fortunately, there are libraries that already implement this functionality.

What language are you using? If it's C++, take a look at CGAL, the Computational Geometry Algorithms Library.