PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ PG_FUNCTION_INFO_V1() [74/87]

PG_FUNCTION_INFO_V1 ( LWGEOM_angle  )

Compute the angle defined by 3 points or the angle between 2 vectors defined by 4 points given Point geometries.

Returns
NULL on exception (same point). Return radians otherwise (always positive).