skygeometry.py 文件源码

def from_pixel(cls, circle, wcs):

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

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

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

        # Create a new SkyCircle
        return cls(center, radius, meta=circle.meta)

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