Geometryclasses support the concept of applying a coordinate filter to every coordinate in the
Geometry. A coordinate filter can either record information about each coordinate or change the coordinate in some way. Coordinate filters implement the interface
CoordinateFilteris an example of the Gang-of-Four Visitor pattern). Coordinate filters can be used to implement such things as coordinate transformations, centroid and envelope computation, and many other functions.
Performs an operation with or on