Visualizing Large Datasets
So far, this book has covered ways to represent data with a spatial component on the map. Any type of data nowadays has a spatial component, which makes it suitable for viewing on the map. Actually, most data have an implied spatial component, and now we have tools to exploit this component. A typical business application handles customers, and customers have an address. This field is the spatial component of any data related to customers. Sales can be grouped by city, ZIP code, or state and presented on the map.
New tools to exploit the spatial characteristics of data are already in use today. SQL Server Reporting Services supports the display of data on a map, and Google has introduced a service ...

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