"Getting the most from animated maps" Topic

"The reach of cartographers' ideas often far exceeds the grasp of the available technology. Animated maps—maps that move, change, and can be watched like a movie—are a great example. Starting in the 1940s, a few animated maps were hand-drawn, one frame at a time, for news reels to show current events. These maps were prohibitively expensive to produce. And, because they had to be seen in a movie theater and took months to complete, they were also difficult to distribute and out-of-date by the time they were shown…"
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