Properties
The following property functions are available:
| Function | Description |
|---|---|
ST_Is3D |
Return 1 if a Geometry has at least one z-coordinate; 0 otherwise |
ST_Z |
Return the z-value of the first coordinate of a Geometry |
ST_ZMax |
Return the maximum z-value of a Geometry |
ST_ZMin |
Return the minimum z-value of a Geometry |