Documentation Home
MySQL 8.4 Reference Manual
Related Documentation Download this Manual
PDF (US Ltr) - 40.0Mb
PDF (A4) - 40.1Mb
Man Pages (TGZ) - 258.6Kb
Man Pages (Zip) - 365.6Kb
Info (Gzip) - 4.0Mb
Info (Zip) - 4.0Mb


13.4.2.6 Surface Class

A Surface is a two-dimensional geometry. It is a noninstantiable class. Its only instantiable subclass is Polygon.

Surface Properties

  • A Surface is defined as a two-dimensional geometry.

  • The OpenGIS specification defines a simple Surface as a geometry that consists of a single patch that is associated with a single exterior boundary and zero or more interior boundaries.

  • The boundary of a simple Surface is the set of closed curves corresponding to its exterior and interior boundaries.