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How do you color in a sketch done with shading?

Feb 26, 2012, 11:52
Post: #1
How do you color in a sketch done with shading?
I've seen videos of people doing this with photoshop, and I was wondering if it was possible with GIMP.

Say for example, you have a sketch that you drew yourself that has shading done around the face, but you want to color it in with a flash tone over the shading. Is that possible? I really hope that you understand what I'm trying to say. I'm a newbie, and am a bit confused. Thanks.
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Feb 26, 2012, 13:22 (This post was last modified: Feb 26, 2012 13:22 by ofnuts.)
Post: #2
RE: How do you color in a sketch done with shading?
There are basically two ways:

One:
  • Add transparent layer
  • Put that layer in "Overlay" or "Soft light" mode using the selector at the top of the layers list
  • Paint that layer with the required color using a brush in "Normal" mode.

In this method there is a limit to the "maximum effect" (basically you can't make the sketch disappear). You can adjust the effect of brush strokes by using a partially transparent brush (set opacity in the Tool options dialog, or better, with a tablet, link opacity to pressure), and several partially transparent strokes(*) at the same place give the same results as a more opaque stroke, but you'll never get more effect than what you obtain with a fully opaque brush.

Two:
  • Set brush to "Overlay" or "Soft light" mode using the selector at the top of the Tool options dialog
  • Paint directly on sketch layer (or a copy...)

With this method each brush strokes re-applies an overlay stroke over the result of the previous stroke, so repeated strokes can completely remove the sketch. You can also adjust the efficiency of strokes using the brush opacity.

(*) repeated strokes are strokes where you un-clik and re-click the mouse (or lift the stymus with a tablet). Merely wiggling the mouse over the same spot without releasing the button counts as one stroke for Gimp.

Now answering your questions on
https://Gimp-Forum.net
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