[Gimp-user] Collage scaling up

[Christoph Schwitter]

I intend to create a huge collage (22000 x 24000 pixels = 4.6 GB file 
size). Working on the image becomes impracticably slow.

Is there a way to do the whole collage in small (10% of the size / 
resolution), arrange layers, masks etc. in the small version until it 
fits, and then convert it to the full size version? I guess that would 
mean first changing the image resolution, and then have GIMP 
automatically re-import all pictures (layers) in original size. It 
should keep all layer properties and just recalculate all layers with 
the higher resolution using the original picture size.

If there is a way to do this? Or another way to get the same result?

Thanks
Chris

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[Gimp-user] Collage scaling up

[Stefan Maerz]

 If there is a way to do this? Or another way to get the same result?

The best thing I know to do is to work in small chunks whenever
possible. You can open up .xcf files withIn another .xcf, using open
as layers. Perhaps for the final layout you can bear though it?

The open as layers feature will keep the layers of the smaller .xcf
files accessible from your final image. However, I think it will
consume less memory if you export a flattened image - meaning you
won't have access to the layers.

Either way you do it, get yourself a nice computer. ;)

Best of luck,

-Stefan Maerz
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