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change the line colors to a lighter gray. The updated stadium map is shown in
Figure 11-9
(with the map changed to the Normal style and shapes changed to standard ones from the
Proportions
palette).
Figure 11-9. Updated football team city map with annotations
By now, we've established the usefulness of using shapes on maps to communicate data. So
far, all of the maps we've created show shapes stuck to one place on a map. Sometimes,
though, the point of showing a map is to show people the path taken along a particular route.
Next, let's consider how to handle data when the location on a map isn't static, but dynamic,
like a hurricane in motion.
Maps Showing Paths
Weather patterns are excellent examples of objects that move over time. When a hurricane
makes its way across the surface of the ocean and toward land, the whole world watches.
There are rich sources of historical hurricane data on the Web, such as the
IBTrACS dataset
maintained by the National Oceanic and Atmospheric Administration, NOAA.
