MySQL Manual
11 Spatial Extensions in MySQL
- 11.2 The OpenGIS Geometry Model
- 11.2.1 The Geometry Class Hierarchy
- 11.2.2 Class
Geometry - 11.2.4 Class
Point - 11.2.7 Class
Curve - 11.2.9 Class
LineString - 11.2.12 Class
Surface - 11.2.14 Class
Polygon - 11.2.17 Class
GeometryCollection - 11.2.18 Class
MultiPoint - 11.2.21 Class
MultiCurve - 11.2.23 Class
MultiLineString - 11.2.25 Class
MultiSurface - 11.2.27 Class
MultiPolygon
11.2.25 Class MultiSurface
A MultiSurface is a geometry collection composed of surface elements.
MultiSurface is a non-instantiable class. Its only instantiable
subclass is MultiPolygon.
11.2.26 MultiSurface Assertions
-
The interiors of any two surfaces in a
MultiSurfacemay not intersect. -
The boundaries of any two elements in a
MultiSurfacemay intersect at most at a finite number of points.
