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Intro to GIS & the Course Ryan SOC128 Spring 2008.

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Presentation on theme: "Intro to GIS & the Course Ryan SOC128 Spring 2008."— Presentation transcript:

1 Intro to GIS & the Course Ryan SOC128 Spring 2008

2 Three Points What is GIS? Why is mapping useful? How does computer mapping work?

3 A Data Table IDNameAgeCreditsCar?Zip 1Ali194.25Y94602 2Bella215.0N94613 3Chris178.5Y94604 4Danny264.0Y94613 5Evelyn2416.75N94602

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6 RASTER PATTERN

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8 OBJECT COLORSHAPE 1WhiteCloud-swirl 2WhiteCloud-swirl 3WhiteCloud-swirl 4PurpleRectangle 5BlueHill-Shape 6BrownTree-Shape 7Light BlueVillage-Shape 8GoldCircle 9GoldCircle 10GoldCircle 11GoldCircle 12GoldCircle 13GoldCircle 14GoldCircle 15GoldCircle 16GoldCircle 17GoldCircle 18GoldCircle 19GoldCircle

9 Start Here Follow the arrows (vectors) from vertex to vertex

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12 Layers in a Vector Graphic

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