[Gimp-user] Layer groups seriously broken - huge resource hog

[BWK <forums gimpusers com>]

I doubt you've ever tried doing a selection rectangle to that size and getting
it exactly the right size and boundaries. It is a very slow and fiddly
operation.

> Layer groups internally create a virtual layer representing their
> entire composited contents to speed up overall rendering of the image
> (at the topmost levels); a similar thing already occurs when you have
> a project containing text layers.
>
>
> Alternatively, you mentioned your process involves resizing the image
> canvas as a means to 'crop' a given portion of the image out to a JPG?
> If this is your only performance bottleneck then finding a way to
> avoid that step should work around the issue entirely.  How about
> trying these steps instead?
>
> 1- Create a rectangle selection of the desired export size (e.g.
> 4800x7200) at the desired location in the image
>
> 2- Edit > "Copy Visible" (copies from all rendered layers)
>
> 3- Paste as New Image
>
> 4- Export
>
>
>
> -- Stratadrake
> strata_ranger hotmail com
> --------------------
> Numbers may not lie, but neither do they tell the whole truth.

-- 
BWK (via www.gimpusers.com/forums)