Glad you were able to get some results!
virtualTune wrote:So you have to duplicate the current layer it is applied to. set it to EG overlay and play with opacity.
Not necessarily. You can apply a gradient map directly
to the active layer OR, if you're using my gradient map script, apply it directly
to all layers in the image. However, it appears that the tutorials I provided links to always apply the gradient mapping to duplicate layers and adjust opacity. It really depends on what effect you're trying to achieve.
When I tried it before I always made a new transparent layer. that way nothing showed up however!
Correct. In order for the mapping to take place, you have to have something other than transparency to work with. I think people get the impression that gradient mapping is a similar thing as adding a gradient to a layer. However, the only way they are similar is that they both use gradients. You can add a gradient to any layer (transparent or filled) and set the opacity, blend mode, gradient shape, etc. However, the gradient mapping simply exchanges existing colors within a layer using the chosen gradient. There are no options to set opacity, blend mode, shape, etc. because color 'A' in the gradient is exchanged with color 'A' in the layer. Unfortunately, you can't specify which color in the gradient should replace the color in the layer. However, I believe there are other techniques in GIMP to accomplish that, but that's not something I'm an expert in.
Don't know if this helps or not, but it looks like you're on the right path.
I'd rate you as an upper-middle-lower-mod with pro-novice-inter tendencies.....and a twist of lime! Of course, my rating scale is completely objectively subjective, but ALWAYS consistently inconsistent.