Catalyst Mix Calculator

*** Works with Flat Constant Aspect Ratio mix type only ***

Its easy:

Insert the size of your mapping file
Insert the size of your mix in mapping file
Insert the offsets of your mix in mapping file
Insert the size of your mix in catalyst
Insert your layer scale

And Voilà:

Offset X
Offset Y
Scale
Aspect

Superfast!
You can even send it directly to Catalyst using the same technology as Catalyst Remote Mixes.

Manual at jpprosa.com