Raster-based GIS routing models prevent pipelines from becoming an economic burden on the companies and countries involved in their construction and operation by minimizing not just the economic costs ...

Until recently, the term "desktop GIS" meant a system with limited functions running on a personal computer. High-end GIS was found only on workstations. Now these distinctions are beginning to blur.

James Gray continues his review of desktop Geographic Information System (GIS) applications with an introduction to the concepts needed to get started with the user-friendly, open-source Quantum GIS.

I obtain my Vancouver Island GIS data for this project through the Simon Fraser University SIS-Server (S:// Drive) and the Web. The following are the raster and vector data layers that I used from the ...