PostGIS

ST_OrientedEnvelope

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8.14. Geometry Processing

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Name

ST_OrientedEnvelope — Returns a minimum-area rectangle containing a geometry.

Synopsis

geometry +`*`+ST_OrientedEnvelope*( geometry geom );

Description

Returns the minimum-area rotated rectangle enclosing a geometry. Note that more than one such rectangle may exist. May return a Point or LineString in the case of degenerate inputs.

Availability: 2.5.0

See Also

ST_Envelope ST_MinimumBoundingCircle

Examples

                SELECT ST_AsText(ST_OrientedEnvelope('MULTIPOINT ((0 0), (-1 -1), (3 2))'));

                st_astext
                ------------------------------------------------
                POLYGON((3 2,2.88 2.16,-1.12 -0.84,-1 -1,3 2))

st_orientedenvelope01

Oriented envelope of a point and linestring.

SELECT ST_AsText(ST_OrientedEnvelope(
        ST_Collect(
            ST_GeomFromText('LINESTRING(55 75,125 150)'),
                ST_Point(20, 80))
                )) As wktenv;
wktenv
-----------
POLYGON((19.9999999999997 79.9999999999999,33.0769230769229 60.3846153846152,138.076923076924 130.384615384616,125.000000000001 150.000000000001,19.9999999999997 79.9999999999999))

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