Volume visualization - The Visualization of Spatial Social Structure - page 254

The Space/Time Trend
of Unemployment in
Britain, 1978-1990.

50% under

10% under

0%

10% over

(on 1981 County population cartograms,
higher levels being most recent years -

50% over

scale indicating deviation from
space/time independence.)

Figure 9.4 This picture shows exactly the same data as the previous one. London
can be easily identified on the right as it gets closer each year. This was a partic-
ularly disastrous attempt to show the three-dimensional structure of space-time
employment change. Frequently you can only find out if a method will produce a
satisfactory picture by actually creating the image using real data.