Real-Time Attribute Editing

A map database is a static snapshot. In the real world, conditions change constantly: Roads become congested , new roads are built, roads are converted to one-way traffic, and toll roads are added. There are many changes that impact users of mobile location service applications. Traffic conditions might make a route generated from a route engine that is not traffic aware unusable. So how does spatial analysis software account for these changes?

Given that map database vendors only ship updates several times a year, a better method to make interim updates is needed. Although it would be quite challenging to add new spatial data, such as a new road, changing the values of the attributes associated with existing spatial data can accommodate most updates.

Traffic Applications

Real-time traffic is the most obvious case for updating attributes in real time. Traffic incidents have a significant impact on routing. Information collected from a traffic incident would be used to change a road's travel speed, or even block it completely.

Other Map Updates

There are many other applications that can take advantage of the ability to make real-time attribute changes. Attribute editing allows an application developer to further improve the data quality and make interim updates between map vendor release dates.



Mobile Location Servies(c) The Definitive Guide
Software Project Management in Practice
ISBN: 0201737213
EAN: 2147483647
Year: 2005
Pages: 150
Authors: Pankaj Jalote

Similar book on Amazon

flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net