webbpsf_ext.utils.get_one_siaf

webbpsf_ext.utils.get_one_siaf(filename=None, instrument='NIRCam')[source]

Convenience function to import a SIAF XML file to override the default pysiaf aperture information.

Parameters:
  • filename (str or None) – Name of SIAF file (e.g., ‘NIRCam_SIAF.xml’). If not set, returns default SIAF object.

  • instrument (str) – Name of instrument associated with XML file.