The transformation tools

It is possible to transform all or part of several images using the four tools shown opposite: Panning, Transform, Perspective and Warp.

These three first tools have in common two parameters, that can be found at the top of the tool panel. Those parameters are Shift and Fill :

Original imageShift optionFill option

The option Fill will “loop” the image, contrary to the option Shift, that cuts definitely the image. Of course, these parameters are memorized, even if you use different tools.