Someone (Bill Steele?) speculated earlier that higher resolution images on
Google Earth would be confined to urban areas. I knew immediately that he was
correct, because I'd looked at metropolitan London versus the English
countryside before he wrote his e-mail, and had observed that the city was at
higher resolution.
A look at the Austin area is interesting, however. The city and close
surroundings are at what I presume to be highest resolution. A much larger
area
surrounding the city is in a middle-grade resolution (and appears to be
monochromatic B&W). Outside this larger area resolution drops to a lower
grade,
color image. So there are at least three levels of resolution utilized in the
service.
Roger G. Moore,
Greater Houston Grotto
www.moore-archeological.com
[email protected]
