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Last modified: December 2013

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AHELP for CIAO 4.9 Sherpa v1


Context: visualization


Open a contour plot of data-minus-model residuals in ChIPS


contour_resid( [ id, [replot=False,overcontour=False]] )


The contour_resid function opens in ChIPS a contour plot of fit residuals (dataset minus dataset model) by data set ID. If no data set ID is specified, the residuals corresponding to the default data set will be used. To plot contours of a data set, model, fit, data-to-model ratio, or psf, use the contour function.


  • id - Sherpa data set ID; if not given, uses the default dataset id (id=1 by default, see "ahelp get_default_id")
  • replot - Send cached data arrays to ChIPS; default=False
  • overcontour - Contour data without clearing previous plot; default=False

Example 1

sherpa> contour_resid()

The contour_resid function can be called with no arguments, in which case a contour plot of the data-minus-model fit residuals is made for the default data set loaded in the Sherpa session, with the default settings.

Example 2

sherpa> contour_resid(3, overcontour=False)

Here, the contour_resid function clears the previous plot and sends to ChIPS a contour plot of the fit residuals associated with data set 3.

Example 3

sherpa> contour_resid(replot=True, overcontour=True)

This command sends to ChIPS a cached contour plot of the fit residuals of the default dataset, without clearing the previous plot.


See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.

See Also

get_data_prof, get_data_prof_prefs, get_delchi_prof, get_delchi_prof_prefs, get_fit_prof, get_model_prof, get_model_prof_prefs, get_resid_prof, get_resid_prof_prefs, get_source_prof, get_source_prof_prefs, plot_chart_spectrum, prof_data, prof_delchi, prof_fit, prof_fit_delchi, prof_fit_resid, prof_model, prof_resid, prof_source
get_arf_plot, get_bkg_plot, load_image, pack_image, unpack_image
list_model_ids, show_bkg_model, show_bkg_source
get_iter_method_name, get_iter_method_opt, list_iter_methods, set_iter_method, set_iter_method_opt
add_model, add_user_pars, clean, create_model_component, delete_bkg_model, delete_model, delete_model_component, get_model, get_model_autoassign_func, get_model_component, get_model_component_image, get_model_component_plot, get_model_plot, get_num_par, get_order_plot, get_par, get_pileup_model, get_source, get_source_component_image, get_source_component_plot, image_model, image_model_component, image_source, image_source_component, integrate, integrate1d, link, load_table_model, load_template_model, load_user_model, normal_sample, reset, save_model, save_source, set_bkg_model, set_full_model, set_model_autoassign_func, set_pileup_model, set_source, set_xsabund, set_xscosmo, set_xsxsect, set_xsxset, t_sample, uniform_sample
get_energy_flux_hist, get_lrt_plot, get_lrt_results, get_photon_flux_hist, get_pvalue_plot, get_pvalue_results, get_split_plot, plot, plot_arf, plot_bkg, plot_cdf, plot_chisqr, plot_data, plot_delchi, plot_energy_flux, plot_fit, plot_model, plot_model_component, plot_order, plot_pdf, plot_photon_flux, plot_pvalue, plot_ratio, plot_resid, plot_scatter, plot_source, plot_source_component, plot_trace, set_xlinear, set_xlog, set_ylinear, set_ylog
contour_kernel, contour_psf, delete_psf, image_kernel, load_conv, plot_kernel
save_delchi, save_resid
get_chisqr_plot, get_delchi_plot, get_stat
calc_chisqr, calc_energy_flux, calc_model_sum, calc_photon_flux, calc_source_sum, calc_stat, eqwidth
contour, contour_data, contour_fit, contour_fit_resid, contour_model, contour_ratio, contour_source, get_ratio, get_resid, image_close, image_data, image_deleteframes, image_fit, image_getregion, image_open, image_ratio, image_resid, image_setregion, image_xpaget, image_xpaset

Last modified: December 2013
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