|
Class Summary |
| ColumnSRID |
Get the column SRID from constraints and data. |
| ST_Area |
Compute geometry area |
| ST_Boundary |
Get geometry boundary as geometry. |
| ST_Centroid |
Computes the centroid of this Geometry. |
| ST_CoordDim |
ST_CoordDim returns the dimension of the coordinates of the given geometry. |
| ST_Dimension |
Get dimension of a geometry 0 for a Point, 1 for a line and 2 for a polygon. |
| ST_Distance |
For geometry type returns the 2-dimensional minimum Cartesian
distance between two geometries in projected units (spatial ref units) |
| ST_EndPoint |
Returns the last coordinate of a Geometry as a POINT, given that the
Geometry is a LINESTRING or a MULTILINESTRING containing only one
LINESTRING; Returns NULL for all other Geometries. |
| ST_Envelope |
Get geometry envelope as geometry. |
| ST_ExteriorRing |
Returns a LinearRing instance or Null if parameter is not a Polygon. |
| ST_GeometryN |
Return Geometry number n from the given GeometryCollection. |
| ST_GeometryType |
Return the type of geometry : POINT, LINESTRING, POLYGON... |
| ST_GeometryTypeCode |
Returns the OGC SFS GeometryTypeCodes of a Geometry. |
| ST_InteriorRingN |
Returns a LinearRing instance or Null if parameter is not a Polygon. |
| ST_Is3D |
Returns 1 if a geometry has a z-coordinate, otherwise 0. |
| ST_IsClosed |
Return TRUE if the provided geometry is a closed LINESTRING or
MULTILINESTRING, null otherwise. |
| ST_IsEmpty |
Test if the provided geometry is empty. |
| ST_IsRing |
Return TRUE if the provided geometry is a closed and simple LINESTRING or
MULTILINESTRING; NULL otherwise. |
| ST_IsSimple |
Test if the provided geometry is simple. |
| ST_Length |
Compute the geometry length. |
| ST_M |
Get the first M(easure) coordinate |
| ST_NumGeometries |
Get the number of geometries inside a geometry collection |
| ST_NumInteriorRing |
Alias for ST_NumInteriorRings. |
| ST_NumInteriorRings |
Return the number of holes in a geometry |
| ST_NumPoints |
Get the number of points inside a geometry |
| ST_PointN |
Returns the nth point of a LINESTRING or a MULTILINESTRING containing
exactly one LINESTRING; NULL otherwise. |
| ST_PointOnSurface |
Get a Point that lie on the surface of a Surface Geometry. |
| ST_SRID |
Retrieve the SRID from an EWKB encoded geometry. |
| ST_StartPoint |
Returns the first coordinate of a Geometry as a POINT, given that the
Geometry is a LINESTRING or a MULTILINESTRING containing only one
LINESTRING; Returns NULL for all other Geometries. |
| ST_X |
Get the first X coordinate |
| ST_Y |
Get the first Y coordinate |
| ST_Z |
Get the first Z coordinate |