image_psf
- sherpa.astro.ui.image_psf(id: IdType | None = None, newframe=False, tile=False) None
Display the 2D PSF model for a data set in the image viewer.
The image viewer is automatically started if it is not already open.
- Parameters:
id (int, str, or None, optional) – The data set. If not given then the default identifier is used, as returned by
get_default_id
.newframe (bool, optional) – Create a new frame for the data? If
False
, the default, then the data will be displayed in the current frame.tile (bool, optional) – Should the frames be tiles? If
False
, the default, then only a single frame is displayed.
- Raises:
sherpa.utils.err.IdentifierErr – If the data set does not exist.
See also
get_psf_image
Return the data used by image_psf.
image_close
Close the image viewer.
image_data
Display a data set in the image viewer.
image_fit
Display the data, model, and residuals for a data set in the image viewer.
image_model
Display the model for a data set in the image viewer.
image_open
Open the image viewer.
image_source
Display the model for a data set in the image viewer.
plot_psf
Plot the 1D PSF model applied to a data set.
Notes
Image visualization is optional, and provided by the DS9 application.
Examples
>>> image_psf()
>>> image_psf(2)