I'm looking to recreate the attached effect. From the first image to the second.
I'm not sure if it was in GIMP but I'm guessing/hoping it can be done in GIMP.
This was done with a single effect and with the default settings.
I want to say the effect was called 3D heightmap, but I'm unsure.
Does anyone know how I can recreate it?
| Attachment | Size |
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Filters>Map>map object
map to a box with transparency.

Now select all the color black and select> to path
go to your paths dialog and do a selection from path.
select the paint brush tool and paint in black on the selection.
results
-Rod
Simpler....
Or under the "Light" tab of the map object, check "no light" and map to a box without transparency. No additional steps are required.