"Wim Ton" wrote in message
. uk...

"Tom Potter" wrote in message
...
I am interested in analyzing surfaces of objects
to detect natural and man-made shaping of the object surface,
and I have been experimenting,
SNIP

Maybe the reading head of a CD-player?

Sounds like a good idea!
Maybe I'll try this.

--
Tom Potter
http://home.earthlink.net/~tdp
http://photos.yahoo.com/tdp1001