How to export overlay glow

Question

i made the following image:

this gives me a nice glowing effect, which i would like to export to transparent PNG. but when i set the black layer to invisble the glow is gone.

enter image description here

isnt my description clear enough?
– clamp
Sep 6 '14 at 17:19 — clamp, Sep 6 '14 at 17:19

Rosenthal · Accepted Answer · 2014-09-06 17:59:58Z

4

The problem is not Gimp is the algorithm used to Overlay the layer which depends in Light and Dark colors.

So, to get the effect you want follow this steps:

Go to the layers stack > Right Click > Click Merge Visible Layers

enter image description here

Click Merge

enter image description here

Go to Layer > Transparency > Color to Alpha

enter image description here

Select Black in the Color to Alpha Color Picker > Click OK (Two times)

enter image description here

Result:

enter image description here

answered Sep 6 '14 at 17:59

Rosenthal

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