image_open

sherpa.astro.ui.image_open() → None

Start the image viewer.

The image viewer will be started, if found. Calling this function when the viewer has already been started will not cause a second viewer to be started. The image viewer will be started automatically by any of the commands like image_data.

See also

image_close

Close the image viewer.

image_deleteframes

Delete all the frames open in the image viewer.

image_getregion

Return the region defined in the image viewer.

image_setregion

Set the region to display in the image viewer.

image_xpaget

Return the result of an XPA call to the image viewer.

image_xpaset

Send an XPA command to the image viewer.

Notes

Image visualization is optional, and provided by the DS9 application.

Examples

>>> image_open()