Quote Originally Posted by RPMiller View Post
EDIT: After looking at the expressions, it looks like you are constrained to the size of your image and the result must match.
The canvas size will match, so as long as the input is scalled up to hold the desired output, it should be fine. For example if you wanted to map a 400x400 square to a 2:1 rectangle, you could end up with a 400x200 rectangle having blank space above and below....

or am I missing something

-Rob A>