I have been drawing mandalas like you see in the picture.
I need to remove the white background and only have the black lines.
I have tried different things in GIMP and seen some videos, but I can’t seem to figure out how to remove the white background.
I really need to have a step by step for only that - can someone please help?
In GIMP I would test with Layer → Transparency → Color to alpha…
It will probably select white as alpha, press “Ok”
Afterwards you can export the image to a format that supports alpha, like png.
In Gimp 2.10:
- Make sure you have an alpha channel on the layer (
Layer > Transparency > Add alpha channel). Layers without an alpha channel have their name in
Boldface in the Layers list, other have their name in
- Set the bucket fill tool to
Color erase mode, and without a selection, bucket-fill the whole layer with the color to erase.:
But on the whole you should take the habit of drawing the mandala on a transparent layer (itself over a some color/white background). Same visual result, but you can change the color of the background or the mandala very easily:
You can even try various colors for the mandala with a suitable layer structure
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