Image Coordinate Readout
Mira performs real-time readout of the pointer position using the "live" mouse pointer. These samples are reported in the Image Coordinate Display section of the Image Bar.
Whenever the mouse pointer passes over an image,
the pointer changes to the icon of the current command mode.
Window. For example, if Line Profile Move Mode is active, the pointer changes
to 
. If no command mode is active, the
Image Window is in
"Roam Mode" and the mouse pointer becomes a crosshair. In Roam
Mode, no specific action is attached to the primary mouse
button.
A point sample is reported in all command modes, including those belonging to a Command Toolbar. Even thought the mouse pointer may change to that of the command mode, the pointer still has a "hot point", usually at its center, in which a point sample is continuously reported.
Measuring Images, Image Window, Image Coordinate Display, Go To Coordinates, Edit Pixel Values, Command Toolbars, Coordinate Systems