Hi Ian, Gimp is not very good at what you describe. I have that issue all the time and sometimes I never get it right. Mess with the "Threshold" setting till you get it right. Once you click in the alpha area hit the delete key. Keep going with the threshold setting till satisfied the whit...
Adelade as usual you present a well thought out solution. I REALLY appreciate the insight you bring to designing in APCD. I "THINK" I have worked something out to my satisfaction and when I get done doing it to the 17 bunkers in question I will post pics and maybe the course for everyone t...