3. Integrated analysis of spatial and attribute data - RTC, Regional ...
3. Integrated analysis of spatial and attribute data - RTC, Regional ...
3. Integrated analysis of spatial and attribute data - RTC, Regional ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Vector Data ModelIn the vector <strong>data</strong> model, features on the earthare represented aspointslines / routespolygons / regionsTINs (triangulated irregular networks)Every position in the map space has a uniquecoordinate valueVector <strong>data</strong> are good ataccurately representing true shape <strong>and</strong>sizerepresenting non-continuous <strong>data</strong> (e.g.,rivers, political boundaries, road lines,mountain peaks)creating aesthetically pleasing mapsconserving disk space38