Image

Intersection decomposition: Decomposition of the intersection volume between the spherical filter support and a input tetrahedron. The different colors denote different geometrical shapes for which a closed form solution of the integral can be obtained.
Intersection decomposition : Decomposition of the intersection volume between the spherical filter support and a input tetrahedron. The different colors denote different geometrical shapes for which a closed form solution of the integral can be obtained.

Publication

This image has been taken from the following publication:
2012
Thomas Auzinger, Michael Guthe, Stefan Jeschke
Analytic Anti-Aliasing of Linear Functions on Polytopes
Computer Graphics Forum (Proceedings of EUROGRAPHICS 2012), 31(2):335-344, May 2012. [Paper] 		Journal Paper with Conference Talk