PostGIS

ST_Rotation

Prev

12.4. Raster Accessors

Next

Name

ST_Rotation — Returns the rotation of the raster in radian.

Synopsis

float8 +`*`+ST_Rotation*(`raster `rast`)`;

Description

Returns the uniform rotation of the raster in radian. If a raster does not have uniform rotation, NaN is returned. Refer to World File for more details.

Examples

SELECT rid, ST_Rotation(ST_SetScale(ST_SetSkew(rast, sqrt(2)), sqrt(2))) as rot FROM dummy_rast;

 rid |        rot
-----+-------------------
   1 | 0.785398163397448
   2 | 0.785398163397448

See Also

Prev

Up

Next

ST_RasterToWorldCoordY

Home

ST_SkewX