(Process Image Set) button.Undo
Mira provides Undo capability through the Edit > Undo command in the Image window's pull-down menu. Some dialog windows also have Undo buttons as a convenience. This command uses the standard keyboard accelerator Ctrl+Z.
Undo can restore the previous state of one image or
the entire image set. When the image window contains an image set,
you control the operation using the (Process Image Set) button.
With the button pressed, Undo applies to the entire image set.
With the button released, Undo applies only to the current image.
Undoing an image set is especially powerful. For
example, you might register a set of 30 images, then use Combine Images to
average them into a single, high signal-to-noise master image. Upon
inspecting the new master image you might find that the
registration was not as good as you had thought. Since Combine Images
places the new image into a new window, the Image Set that you
registered still exists (unless you closed it). To reverse the
registration and try again, be sure is pressed, then execute Undo
(you can determine the button state by reading the pop-up Tooltip
for the button). In this example, Undo would restore all 30 images
to their pre-registered state.