scopesim.optics.image_plane_utils.create_wcs_from_points

scopesim.optics.image_plane_utils.create_wcs_from_points#

scopesim.optics.image_plane_utils.create_wcs_from_points(points: ndarray, pixel_scale: float, wcs_suffix: str = '') → tuple[WCS, ndarray]#

Create astropy.wcs.WCS instance that fits all points inside.

Parameters:

  • corners ((N, 2) array) – 2D array of N >= 2 points in the form of [x, y].

  • pixel_scale (float) – DESCRIPTION.

  • wcs_suffix (str, optional) – DESCRIPTION. The default is “”.

Returns:

  • new_wcs (TYPE) – Newly created WCS instance.

  • naxis (TYPE) – Array of NAXIS needed to fit all points.

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