skygeometry.py 文件源码

def from_pixel(cls, rectangle, wcs):

        """
        This function ...
        :param rectangle:
        :param wcs:
        :return:
        """

        center = SkyCoordinate.from_pixel(rectangle.center, wcs)

        # Get the pixelscale
        radius = rectangle.radius * Unit("pix") * wcs.average_pixelscale

        # Create a new SkyRectangle
        return cls(center, radius, rectangle.angle, meta=rectangle.meta)

    # -----------------------------------------------------------------