ST_LineFromMultiPoint

Determine the linestring geometry that connects all of the points of a multipoint geometry.

Syntax

ST_LineFromMultiPoint(mpgeo);
mpgeo
The input multipoint geometry.

Type: VARCHAR(ANY)

Returns

A value of type VARCHAR(ANY) that is the linestring geometry that connects all of the points of the input multipoint geometry.

Examples

SELECT inza..ST_AsText(inza..ST_LineFromMultiPoint(inza..ST_WKTToSQL('MULTIPOINT (1 1, 1 2, 2 2, 2 1, 1 1)', 4326, false, true)));
 
ST_ASTEXT
---------
LINESTRING (1 1, 1 2, 2 2, 2 1, 1 1)
(1 row)
SELECT inza..ST_AsText(inza..ST_LineFromMultiPoint(inza..ST_WKTToSQL('MULTIPOINT (0 0, 1 1, 2 2)')));
 
ST_ASTEXT
---------
LINESTRING (0 0, 1 1, 2 2)
(1 row)