GIMP Version: 2.10.36
Operating System: Windows
OS Version: WIn 11
GIMP Experience: Basic Level

List any relevant plug-ins or scripts:
GMIC

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Hi Gimp users

I need help
How do I use GMIQ Inpaint tool to clean an area in a picture?

Thanks
Doron

Paint content you want with GIMP's pencil tool as color "#ff0000" then run the GMIC inpaint filters

Thanks you

I did it and it is working fine

Doron.

I don't know why the theory is widespread that it has to be red.

See a simple extreme example:

remove the black circle from the image


when you use red


when you use a color that doesn't exist in the image:


One condition must be met:
the color of the painted area must match (be identical) the one selected in G'MIC!
You can simply specify it using "Pick screen Color" and you will get the desired effect.

result



And work on a copy of the image because Inpaint G'MIC is destructive according to some (they don't use Edit ➤ Undo or Ctrl+z shortcut).