get_arf_plot¶
-
sherpa.astro.ui.
get_arf_plot
(id=None, resp_id=None, recalc=True)¶ Return the data used by plot_arf.
- Parameters
id (int or str, optional) – The data set with an ARF. If not given then the default identifier is used, as returned by get_default_id.
resp_id (int or str, optional) – Which ARF to use in the case that multiple ARFs are associated with a data set. The default is
None
, which means the first one.recalc (bool, optional) – If
False
then the results from the last call to plot_arf (or get_arf_plot) are returned, otherwise the data is re-generated.
- Returns
arf_plot
- Return type
a sherpa.astro.plot.ARFPlot instance
- Raises
sherpa.utils.err.ArgumentErr – If the data set does not contain PHA data.
Examples
Return the ARF plot data for the default data set:
>>> aplot = get_arf_plot() >>> aplot.y.max() 676.95794677734375
Return the ARF data for the second response of the data set labelled ‘histate’, and then plot it:
>>> aplot = get_arf_plot('histate', 2) >>> aplot.plot()