geom.go
func RotateGeo(theta float64) GeoM {
	g := GeoM{}
	g.Rotate(theta)
	return g
}
func RotateGeo(theta float64) GeoM {
	g := GeoM{}
	g.Rotate(theta)
	return g
}
// RotateGeo is deprecated as of 1.2.0-alpha. Use Rotate instead.