PostGIS

ST_RotateY
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ST_RotateY

7.16. Affine Transformations

Name

ST_RotateY — Rotates a geometry about the Y axis.

Synopsis

geometry +`*`+ST_RotateY*(`geometry `geomA, float rotRadians`)`;

Description

Rotates a geometry geomA - rotRadians about the y axis.

ST_RotateY(geomA, rotRadians) is short-hand for ST_Affine(geomA, cos(rotRadians), 0, sin(rotRadians), 0, 1, 0, -sin(rotRadians), 0, cos(rotRadians), 0, 0, 0).

Availability: 1.1.2. Name changed from RotateY to ST_RotateY in 1.2.2

Enhanced: 2.0.0 support for Polyhedral surfaces, Triangles and TIN was introduced.

check This function supports Polyhedral surfaces.

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

check This function supports Triangles and Triangulated Irregular Network Surfaces (TIN).

Examples

--Rotate a line 90 degrees along y-axis
 SELECT ST_AsEWKT(ST_RotateY(ST_GeomFromEWKT('LINESTRING(1 2 3, 1 1 1)'), pi()/2));
         st_asewkt
---------------------------
 LINESTRING(3 2 -1,1 1 -1)

PostGIS

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