Wednesday, January 30, 2008

Discovering the Types of Maps

Maps have their own language and a number of dialects depending on the type of map. To use paper or digital maps effectively, you need at least a tourist’s understanding of their language. The more you know, the better off you are. That’s what this chapter is all about — different types of maps, basic map concepts and principles, and the various kinds of digital maps that you can access on a computer. By the end of the chapter, you’ll have a handy enough grasp of conversational map-speak that you can ask the right questions to avoid getting lost.
Begin by looking at the basic types of maps that you can use to navigate and better understand your surroundings. (Although there are maps for traveling under the ocean, visiting the moon, or zooming around in space, it’s unlikely that you’ll need these anytime soon.)
An important point to consider is that no one universal map type does it all. Different map types display the different features and details that are suited for a particular use — or user. A skilled map user always selects a map that meets his or her specific needs.
Maps are almost always oriented so the top of the map is facing north. If a map doesn’t follow this convention, a good mapmaker places an arrow on the map that points north.

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