Chapter 8. DATA FORMATS
Working with maps usually means interacting with a lot of geographic data. Along with descriptive information, you need to know where a place is so you can plot it on your map. Chances are good that most of the time you'll need to get data from someone else. You might also need to share your data with someone.
Several standard formats have been adopted to make passing around geographic data even easier. In this chapter, I'll go over a few ways to share the basic pieces of geography you'd put on a map: points, lines, and shapes.
We'll also go over a couple formats that are popular on the web for exchanging information. More ...
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