get_psf_contour

sherpa.astro.ui.get_psf_contour(id=None)

Return the data used by contour_psf.

Parameters:

id (int or str, optional) – The data set. If not given then the default identifier is used, as returned by get_default_id.

Returns:

psf_data

Return type:

a sherpa.plot.PSFContour instance

Raises:

• sherpa.utils.err.DataErr – If the data set is not 2D.
• sherpa.utils.err.IdentifierErr – If a PSF model has not been created for the data set.

See also

get_kernel_contour()

Return the data used by contour_kernel.

contour_kernel()

Contour the kernel applied to the model of an image data set.

contour_psf()

Contour the PSF applied to the model of an image data set.

Examples

Return the contour data for the PSF for the default data set:

>>> cplot = get_psf_contour()