Any love for GIMP ?

Started 2 months ago | Discussions thread
Acmespaceship Regular Member • Posts: 315
Re: Missing the point--what GIMP cannot do

NAwlins Contrarian wrote:

Suppose I have an image to which I want to make 6 adjustments. Suppose I use GIMP and make the adjustments, call them #1, #2, #3, #4, #5, and #6. If I decide at the end that I did not really want #2 after all, there is no way I can undo #2 without first undoing #6, #5, #4, and #3, and thereby losing all that work. At best I have to guess at a corresponding adjustment and risk some lossy operations.

It is often possible to avoid this with proper use of layers, masks and blending modes. For example, if your step #1 is to adjust tonality, make those adjustments on a duplicate layer of the original image, set to "luminosity" blending mode.

If step #2 is color balance, make those edits on a layer in "color" mode.

If step #3 is dodging/burning, do that on transparent layers in "overlay" or "soft light" mode.

If step #4 is local contrast, apply the highpass filter to a layer in "soft light" or "grain merge."

And so on -- make each step its own layer. If you have to go back and re-do something, the worst that can happen is you delete and re-create that one layer. The edits you made on other layers are intact. Yes, that's a lot of layers. But you'd have a lot of adjustment layers in PS, too.

I'd never argue that GIMP is as convenient to use as PS. You can't work non-destructively in GIMP, but you can certainly work less-destructively. It's part of the learning curve. Learn how the blending modes work and save destructive steps for the end of the workflow. Experienced GIMP users rarely have to undo work except the parts they want to undo.

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