The following describes the most significant changes which
occurred in the AST library between versions V7.3.3 and V7.3.4:
- By default, the simplification of Polygons no longer checks that the
edges are not bent by the simplification. A new attribute, SimpVerticesSimpVertices,
can be set to zero in order to re-instate this check.
- The PolygonPolygon class has a new mathod,
astConvex,
that returns a Polygon representing the shortest polygon (i.e. convex
hull) enclosing a specified set of pixel values within a supplied array.