using imagemagick I made this:
I used GIMP to make it greyscale and then upped the constrast to 20
then i burnt it onto this map:
and it produced this:
I still cannot get this to work in PS (CS3).... delgondahntelius' method doesn't seem to give the desired results. I've tried numerous variations of the methods described here and still I don't get a good looking coastline.
Anyone that knows how to do this in PS and can give a very step-by-step description of exactly how they do it? I'd really appreciate it.
The links don't work for me Can you upload the images here? (Many users will not click on external links for safety's sake)