geom.poly.check
Syntax
Get the validity status. A polygon is valid if: 1) it has at least 3 edges; 2) the edges are all connected; and 3) the polygon is closed.
Note
Edge crossings, convexity and planarity in 3D are not checked.
b - validity status
p - polygon pointer
geom.poly.area
geom.poly.close
9.3.24