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Published byLeslie Barton Modified over 9 years ago
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Introduction to GIS What is GIS? What are GIS Components?
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Geographic Information Systems Definition: –A computer-based system to aid in the collection, maintenance, storage, analysis, output, and distribution of spatial data and information (Bolstad 2002) –Key to this definition: Absolute and relative location of features Properties and attributes of features
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El Capitan Climbing routes El Capitan Rock types
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Hurricane Katrina From Deidre Sullivan
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Other Applications Risk assessment –Natural disasters, disease infection, etc. Transportation systems –Highways and interstates, subway and bus routes Infrastructure –Power grids, sewage, water and gas lines Natural resource management
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Geographic Information System Resolution can vary: –Detailed: Location of buildings in a city Individual trees in a forest –Coarse Population of the Eastern seaboard Depths of the Atlantic ocean
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Who does GIS? From Deidre Sullivan
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GIS Jobs GIS Analyst I
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Who uses GIS? Public organizations –Police and fire dispatch and routes NYFD –Utilities (gas, cable, and water lines) –Tax assessment and property records –Land management
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GIS Applications Scientists –Endangered species –Animal tracking and migration –Fisheries management NOAA live maps Try a GIS Map NOAA Mako shark track
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GIS functions Capture Store Query Analyze Display Output
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GIS Components Five key components of GIS: –Hardware –Software –Data –People –Method
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Hardware
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Software Environmental Systems Research Institute (ESRI)Environmental Systems Research Institute (ESRI) Intergraph Corporation Autodesk Caliper: GIS Software, Mapping SoftwareCaliper: GIS Software, Mapping Software
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Supporting Technologies and Disciplines Geography Cartography-art of map making Remote Sensing Photogrammetry Surveying Geodesy Statistics Computer Science Math From Deidre Sullivan
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ESRI ESRI is the world leader in GIS software –HomepageHomepage –TrainingTraining ArcGIS Desktop –ArcView (Basic) –ArcEditor (Standard) –ArcInfo (Advanced) –…….and desktop extensions (i.e.: spatial analyst)
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Copyright © 2006 by Maribeth H. Price 1-17 A history of products Arc/Info Arc ArcPlot Info/Tables ArcEdit GRID ArcView 3x ArcGIS ArcMap ArcInfo Workstation ArcCatalog ArcToolbox ArcGIS Desktop CoveragesShapefilesGeodatabases
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ArcGIS Desktop
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Copyright © 2006 by Maribeth H. Price 1-19 ArcGIS Desktop ArcCatalog ArcMap ArcToolbox
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Copyright © 2006 by Maribeth H. Price 1-20 ArcGIS functionality Three levels of functionality and cost $$$Advanced $$Standard $Basic Same interface and programs More tools in the toolbox
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Copyright © 2006 by Maribeth H. Price 1-21 ArcGIS Extensions Spatial Analyst 3D Analyst Publisher/ArcReader Network Analyst Maplex Geostatistical Analyst Extensions are additional tools and commands that can be added to the core ArcGIS interface Appear as new toolbars and toolsets in ArcCatalog
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Copyright © 2006 by Maribeth H. Price 1-22 Licensing Floating point licenses –ArcInfo only –Central server checks out licenses –Requires a dongle and a license file Standalone licenses –Uses a registration file/ register online –No dongle needed –Available for ArcView and ArcEditor only
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