Name
ST_InterpolatePoint — Retorna o valor da dimensão de medida da geometria no ponto fechado para o ponto fornecido.
Synopsis
float8 ST_InterpolatePoint(geometry linear_geom_with_measure, geometry point);
Descrição
Returns an interpolated measure value of a linear measured geometry at the location closest to the given point.
![[Note]](../images/note.png)
|
|
|
Use this function only for linear geometries with an M component |
Disponibilidade: 2.0.0
This function supports 3d and will not drop the z-index.
Exemplos
SELECT ST_InterpolatePoint('LINESTRING M (0 0 0, 10 0 20)', 'POINT(5 5)');
---------------------
10