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Intro to GIS & the Course. Ryan SOC128 Spring 2008. Three Points. What is GIS? Why is mapping useful? How does computer mapping work?. A Data Table. RASTER PATTERN. Start Here. Follow the arrows (vectors) from vertex to vertex. Layers in a Vector Graphic.
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Intro to GIS & the Course Ryan SOC128 Spring 2008
Three Points • What is GIS? • Why is mapping useful? • How does computer mapping work?
Start Here Follow the arrows (vectors) from vertex to vertex