contour_data

sherpa.ui.contour_data(id=None, **kwargs)

Contour the values of an image data set.

Parameters:

• id (int or str, optional) – The data set that provides the data. If not given then the default identifier is used, as returned by get_default_id.
• replot (bool, optional) – Set to True to use the values calculated by the last call to contour_data. The default is False.
• overcontour (bool, optional) – If True then add the data to an exsiting plot, otherwise create a new contour plot. The default is False.

See also

get_data_contour()

Return the data used by contour_data.

get_data_contour_prefs()

Return the preferences for contour_data.

get_default_id()

Return the default data set identifier.

contour()

Create one or more plot types.

sherpa.astro.ui.set_coord()

Set the coordinate system to use for image analysis.

Examples

Plot the data from the default data set:

>>> contour_data()

Contour the data and then overplot the data from the second data set:

>>> contour_data()
>>> contour_data(2, overcontour=True)