The Magnify Tool is used to change the zoom level of your working image.
The Magnify Tool can be called in the following order, from the image-menu:
/ .
The Tool can also be called by clicking the tool icon:
Holding Ctrl when clicking on a point of your image will change the zoom direction from zooming in to zooming out.
The available tool options for Magnify can be accessed by
double
clicking the Magnify tool icon.
This option will allow the window containing your image to be resized if the zoom level dictates it.
The two available tool toggles are used for changing the zoom direction between zooming in and zooming out.
This option sets the size that a dragged zoom rectangle must be before zooming to that rectangle actually occurs. A higher Threshold will require a larger rectangle before zooming to that rectangle happens. If the size of the rectangle is too small the image is zoomed in by one level.