Synopsis
Return the data used by image_ratio.
Syntax
get_ratio_image(id=None)
Example
Return the ratio data for the default data set:
>>> rinfo = get_ratio_image()
PARAMETERS
The parameter for this function is:
| Parameter | Type information | Definition |
|---|---|---|
| id | int, str, or None, optional | The data set. If not given then the default identifier is used, as returned by `get_default_id` . |
Return value
The return value from this function is:
ratio_img -- The y attribute contains the ratio values as a 2D NumPy array.
Bugs
See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.
See Also
- visualization
- get_resid_image, image_ratio