ST_InterpolatePoint

ST_InterpolatePoint
Prev	8.12. Linear Referencing	Next

Name

ST_InterpolatePoint — Return the value of the measure dimension of a geometry at the point closed to the provided point.

float8 ST_InterpolatePoint ( geometry line , geometry point ) ;

Return the value of the measure dimension of a geometry at the point closed to the provided point.

Availability: 2.0.0

This function supports 3d and will not drop the z-index.

SELECT ST_InterpolatePoint('LINESTRING M (0 0 0, 10 0 20)', 'POINT(5 5)');
 st_interpolatepoint 
 ---------------------
			            10

Prev	Up	Next
ST_LocateBetweenElevations	Home	ST_AddMeasure