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Vandalay110

: Making part of image semi-transparent I have tried many ways using a layer mask (such as this one) to accomplish this but could not get the result I expect. I have this image: I would like

@Vandalay110

Posted in: #Gimp #Layers #Mask #Opacity

I have tried many ways using a layer mask (such as this one) to accomplish this but could not get the result I expect. I have this image:



I would like to make the square outline semi-transparent say alpha=0.5 but leave everything else unchanged. The steps I took were:


open image in GIMP
duplicate layer
add layer mask initialized as black
select upper layer & use magic wand to select the gray square
outline
select layer mask & use bucket fill tool to make selection gray
(#7f7f7f)


But the outline remains solid gray instead of 50% opaque gray. Why is that & how can I get the result I want? What am I missing? Thanks

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@Courtney577

Thanks to TunaMaxx & Tyler for pointing the way, what I missed was precisely the base layer remained solid. Deleting the square outline in the base layer then applying the layer mask gave me the result I was expecting.

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