The command to open the Rotate/Zoom dialog can be found in the or invoked with
Roll / Rotate
The Center of the Roll/Rotate control (the "globe") allows rotations about the X and Y axes.
The outer ring and globe are linked. Rotating the outer ring also rotates the globe.
Panning is the action of sliding the image or selection in the same plane as the rest of the layer. Click and drag the control or use the sliders to move the layer or selection around the canvas.
This control expands or contracts the layer or selection. Higher zoom settings increase the size of the contents of the layer or selection. Smaller values shrink the contents of the layer or selection.
Using the Rotate/Zoom controls allows an image to be apparently tilted and transformed as if it were at an angle to the viewer. It is relatively easy to create the illusion of depth or perspective using these tools.
Using Rotate/Zoom to apparently tilt an image.