scopesim.optics.image_plane_utils.pix2val

scopesim.optics.image_plane_utils.pix2val(header, x, y, wcs_suffix='')

Return the real coordinates [deg, mm] for coordinates from a Header WCS.

Parameters:

• header (fits.Header)

• x (float, list, array)

• y (float, list, array)

• wcs_suffix (str)

Returns:

a, b – [deg, mm] Real coordinates as given by the Header WCS

Return type:

float, array