"Robert McGregor" <rob### [at] mcgregorfineartcom> wrote:
> Steven, you can use GIMP to do what you proposed doing with PhotoShop, scripted
> or manually. Here's the manual method:
>
> 1. Open the first partial image in GIMP.
> 2. Use the Dialogs > Layers menu (F7 on Windows) to pull up a list of layers
> 3. Open the second partial image in GIMP and copy it.
> 4. Paste this partial image onto the first partial image
>    (this makes a separate layer for the pasted image).
> 5. User menu Layer > New Layer (Shift+Ctrl+N)
> 6. In the Layers dialog set the pasted layer to mode: Screen.
> 7. Repeat 3-6 for each partial image.
>
> This will ignore the black areas and make all the layers visible as a single
> image at each step.
>
> You can do the same thing in PhotoShop - experiment with the different layer
> merge modes (Multiply, Lighten, etc.).
>
> Hope this helps.
>
> -Rob
>
> "There is no spoon..."

I would just like to add that if you do manage to create a script to do so,
please upload it to the wiki.

If not, posting this tutorial there would be a big help.

-Mike

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