14th September 2012, 01:29 PM
(This post was last modified: 14th September 2012, 03:35 PM by John Wells.)
Jack Wrote:Cool. Are those earthworks shown by shadows? Or is there some IR, UV, Thermal giggery pokery?
The top 2 images are by Jim Knowles our Group and Trust archaeologist. The details are simply shadow relief.
The third image:
is just the negative.
As with star charts and the fluorescent staining of biological specimens, it is often useful to look at an image as its negative: