get_psf_plot

sherpa.astro.ui.get_psf_plot(id=None, recalc=True)

Return the data used by plot_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.

  • recalc (bool, optional) – If False then the results from the last call to plot_psf (or get_psf_plot) are returned, otherwise the data is re-generated.

Returns

psf_plot

Return type

a sherpa.plot.PSFPlot instance

Raises

sherpa.utils.err.IdentifierErr – If a PSF model has not been created for the data set.

See also

get_kernel_plot

Return the data used by plot_kernel.

plot_kernel

Plot the 1D kernel applied to a data set.

plot_psf

Plot the 1D PSF model applied to a data set.

Examples

Return the plot data and then create a plot with it:

>>> pplot = get_psf_plot()
>>> pplot.plot()