But that would mean that the crop ratio needs to be similar to the render ratio, I'd say. And it needs to be very clear in a prerender tab, or you might end up with huge render(times).
If you do a series of frames of croprenders (with _cropoutput working), would you need to use a GIcache? I guess that would be best, or it would calculate a new GI for every crop, which may not stitch together nicely. And I also guess that if you use a GIcache, you don't really need overlap, but crops will fit pixel to pixel (if you sue nicely divided crops of course).
And what about the post stuff like GISD and lens artifacts, will they fit together nicely?
The shortcut addition works fine, btw, so thanks Oshyan.