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Pro Oracle Spatial for Oracle Database 11g by Ravi Kothuri, Euro Beinat, Albert Godfrind

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CHAPTER 11The Routing Engine

Using the techniques described in Chapter 10, you know how to obtain the shortest path between two network nodes. The result of the search was a logical path, or a list of links traversed. You could also get the geographical path, or the geometry of the path.

Let's assume you want to tell a customer how to get to your nearest store. Using the Network Data Model shortest-path search, you received the geometry of the path. You can use it to show the shortest route to your store on a map.

But this can be hard to read and hard to use. It would be better if you could also tell your customer ...

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