ST_HasM

Checks for the presence of M coordinate values representing measures or linear references. Returns true if the input geometry includes an M coordinate, false otherwise.

Signatures

ST_HasM(geom: Geometry)

Parameters

geom

Geometry

required

The input geometry.

Return type

Returns true or false.

Example

SELECT ST_HasM(
        ST_GeomFromWKT('POLYGON ZM ((30 10 5 1, 40 40 10 2, 20 40 15 3, 10 20 20 4, 30 10 5 1))')
)

True

ST_GeometryType

ST_HasZ

⌘I

Wherobots Cloud REST API

WherobotsDB

Vector tiles (PMTiles)

Havasu (Iceberg) table management

GeoStats and Map Matching

Rasterflow

Signatures

Parameters

Return type

Example

​Signatures

​Parameters

​Return type

​Example

Signatures

Parameters

Return type

Example