I am trying to learn how to use the perspective tool in RT.
Here is the challenge: a rectangular frame which was shot from an angle, and I want it to appear straight.
Here is the original shot
With Darktable, it is easy by dragging handles to the 4 corners to make it appear like this:
Trying to do the same in RT, and either I don’t know how to use the perspective tool properly or the tool doesn’t provide this capability, but I can’t obtain what I want…
Thanks for any help.