2.2.1.29 GeometryPolygon

The GeometryPolygon type represents a surface in a geometric (flat-earth) coordinate system. GeometryPolygon is not equality comparable, so it cannot be used in keys. The meaning of a GeometryPolygon is as the meaning of Polygon in the OGC Simple Features specification ([OGC-SFACA/1.2.1] section 6.1.11).