7 things you should know about Mapping Mashups

Short Description
Scenario
As part of a large undergraduate history course he teaches about World War II, Dr. Martinez developed a mapping mashup that he introduces to the 150 students at the beginning of the semester. The mashup, which works with Google maps, represents major events leading up to and during the war. Fundamentally, it’s a map, he explains, showing them on a projection screen that it works very much like the online mapping tools students regularly use. The map covers virtually the entire globe, and users can move around the world, zooming in and out, showing the area of search as a map, satellite images, or satellite images with maps, dates, and events superimposed.

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Content
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How does it work?
Most mapping applications function just as the underlying mapping tools work, with the additional ability to click on markers. The API allows the source-data application and the online map to share longitude and latitude data or address data, accurately locating relevant sites on the mapping service. A database can feed information to a map, as in the case of a housing application, or an instructor can manually locate points of interest and attach markers. Some applications offer markup tools. With these, users can add lines, free-form scribbles, text notes, and other graphical elements to a map. When users click on a marker, a pop-up window displays information about that location. This information can be text, pictures, audio or video files, or links to other online resources. The pop-up windows can contain static information, such as what an instructor might enter when developing the map, or dynamic information from a database that shows current data.
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