Here is a list of all topics with brief descriptions:

Euclidiean signed distance functions.
Signed distance functions.	A hierarchical representation of implicit surfaces using signed distance functions primitives and operators
Planar signed distance functions.	A hierarchical representation of implicit surfaces in the plane using signed distance functions primitives and operators
Core geometric classes [external]
%Color classes [external]
Generic core classes. [external]
Planar geometric classes [external]
Geometric structures [external]
Extended geometric classes [external]
Core math classes. [external]