RS_Rotation
Introduction: Returns the uniform rotation of the raster in radian.

Format: RS_Rotation(raster: Raster)
Return type: Double
Since: v1.5.1
SQL Example
SELECT RS_Rotation(
RS_MakeEmptyRaster(2, 10, 15, 1, 2, 1, -2, 1, 2, 0)
)
Output:
-1.1071487177940904