Geoscience Reference
In-Depth Information
(a)
(b)
FIGURE 4.5
Exploring historical images of Las Vegas within Google Earth to visualise urban growth.
(a) 1977 and (b) 2012.
4.5.2 V
irtual
w
orldS
The growth of the GeoWeb has not only has allowed us to display vast quantities of geographical
data in Digital Earths but is also enabling us to create virtual worlds which can create an alternative
geographic reality or mirror the real world. The idea behind such developments can be linked back
to Gelernter (1991) in his seminal topic
Mirror Worlds: Or the Day Software Puts the Universe in a
