Signatures
Parameters
The input geometry.
The measure start value.
The measure end value.
Return type
The resulting geometry.
Linear Referencing
ST_AddMeasure
Computes a new geometry with measure (M) values linearly interpolated between start and end points. For geometries lacking M dimensions, M values are added. Existing M values are overwritten by the new values. Applies only to LineString and MultiLineString inputs.