PostGIS

ST_HasArc
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ST_HasArc

8.4. Geometry Accessors

Name

ST_HasArc — Tests if a geometry contains a circular arc

+boolean +ST_HasArc(+`geometry `+geomA`)`;

Returns true if a geometry or geometry collection contains a circular string

Availability: 1.2.3?

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

check This method supports Circular Strings and Curves

SELECT ST_HasArc(ST_Collect('LINESTRING(1 2, 3 4, 5 6)', 'CIRCULARSTRING(1 1, 2 3, 4 5, 6 7, 5 6)'));
        st_hasarc
        --------
        t