Introduction to GIS Learning Objectives Lecture Outline
Introduction to GIS Learning Objectives Lecture Outline
Introduction to GIS Learning Objectives Lecture Outline
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Data Capture Sources• Digitizing from paper maps• Scanning• Traditional surveying techniques• Paper records & field notes• Pho<strong>to</strong>grammetry• Remote sensing• GPS<strong>GIS</strong> Data S<strong>to</strong>rage• There are two main types of datain a <strong>GIS</strong> database• Car<strong>to</strong>graphic - observations onspatially distributed features,activities, or events, which aredefinable as:– Points– Lines (Arcs)– Areas (Polygons)<strong>GIS</strong> Data S<strong>to</strong>rage• Non-Car<strong>to</strong>graphic - descriptiveinformation in a database aboutthe car<strong>to</strong>graphic features locatedon a map– Attributes– Attribute Values4
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