Re: [Gimp-user] Replace Gold Splotches

[Steve Kinney <admin pilobilus net>]

On 11/17/2016 02:14 PM, Steve Kinney wrote:

Nuts.  I was re-reading this thread and I noticed that below, I
duplicate the instructions to create a layer mask.  The second one
doesn't count, that's the price I pay for carelessness in cut and pasted
editing.  Ouch.

:o/

> Another alternative, a bit more complicated but possibly worth it if you
> have to make adjustments to your selection, or tweak the pattern
> independently of the rest of the image, is to use a layer mask:
>
> Put your pattern on a layer of its own, put your image on a layer above
> that, and add a layer mask to the top layer (your original image).
> Right click the top layer in the Layers dock, select Add Layer Mask,
> accept the white / full opacity default.
>
>
> Select the gold regions as above, then add a mask to the layer:  Right
> click the top layer in the Layers dock, select Add Layer Mask, accept
> the default White option in the dialog that opens, and hit OK.
>
> Then drag and drop black from your color selector to the canvas to make
> the selected areas of your image layer transparent.  The pattern on the
> layer below your image will show through "holes" created in the original
> image by the black parts of its layer mask.  Now you can dismiss your
> complex selection, and make adjustments to the mask as necessary.  For
> instance, if you see a gold fringe around the edges of your "deleted"
> regions, you can do Filters > Generic > Erode to expand the black
> regions on the mask, removing the fringe.
>
> This method is non-destructive; you can "bring back" bits of the
> original image layer by painting with white on its mask, or eliminate
> bits of the original image layer by painting with white on the mask. In
> the case at hand that may not be necessary, but being able to adjust the
> edges of "deleted" regions comes in handy quite often.  This method also
> enables you to adjust the brightness, color, etc. of the pattern layer
> independent of the original image layer, change it to a different one
> or etc., without having to leave your complex selection in place through
> subsequent editing processes.
>
> :o)
>
>
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