Name
ST_3DLength_Spheroid — Calculates the length of a geometry on an ellipsoid, taking the elevation into account. This is just an alias for ST_Length_Spheroid.
Synopsis
float ST_3DLength_Spheroid(geometry a_linestring, spheroid a_spheroid);
Description
Calculates the length of a geometry on an ellipsoid, taking the elevation into account. This is just an alias for ST_Length_Spheroid.
![[Note]](images/note.png) | |
Changed: 2.0.0 In prior versions this used to return 0 for anything that is not a MULTILINESTRING or LINESTRING and in 2.0.0 on returns the perimeter of if given a polgon. |
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This function is just an alias for ST_Length_Spheroid. |
This function supports 3d and will not drop the z-index.
Changed: 2.0.0 In prior versions this used to be called ST_Length3d_Spheroid