public void imageToGrid( Point2D_F64 pixel , Point2D_F64 grid ) {
		transformGrid.imageToGrid(pixel.x, pixel.y, grid);
	}
public void imageToGrid ( Point2D_F64 pixel , Point2D_F64 grid ) { transformGrid . imageToGrid ( pixel . x , pixel . y , grid ) ; }
Converts a pixel coordinate into a grid coordinate.