Gimp script: Selection area finder

[Redrobes]

Superb - so you use a selection wand in the area and then ask it how big this is. Cool and probably clearer than using the histogram window.

[isomage]

Superb - so you use a selection wand in the area and then ask it how big this is

Yeah, or you could trace the outline with the free select tool if the map's coloring isn't smooth enough for fuzzy select.

I've also added perimeter-finding and updated the first post.