Well, a digital camera might work, but what about the glare on the surface? I don't have any fancy equipment here. Like I said earlier though, any other theories on how to do this are welcome. Like sonar equipment, highly expensive, and I don't know if the resolution of it would be high enough. I also don't have the technical know how to plug a sonar screen into the computer and capture the image. If I really had the time for technical know how, I could hook up one of those pin toys to read what percentage of each pin is pushed down and convert that into a greyscale image on the computer, but I am neither a hardware geek or a programmer. I wish I was, but I'm not. The murky substance theory seems to be all I have right now. Well, I'm off to go look up cohesion in the dictionary for now, but keep bouncing ideas, this is getting interesting.