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 ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Organizing Geographic Data ForAnalysis‣In GIS a <strong>data</strong> layer consists <strong>of</strong> logicallyrelated geographic features <strong>and</strong> their<strong>attribute</strong>s‣the organizing principal <strong>of</strong> <strong>data</strong> layers is beto group similar feature types..‣each layer is registered positionally toother layers through a common coordinatesystem‣in principle, the number <strong>of</strong> layers isunlimited, restrictions being imposed only bystorage space14