Copyright ? 2003 by Maribeth H. Price 1-1 Chapter 1 Introducing ArcGIS Copyright ? 2003 by Maribeth H. Price 1-2 What is GIS? ? bining spatial mapping and analysis with database management Copyright ? 2003 by Maribeth H. Price 1-3 With GIS you can: ? Create maps, graphs, and reports ? Create and manage map data ? Analyze spatial relationships ? Overlay map data from different sources ? Manage and display database information ? Locate addresses ? Analyze utility and works Copyright ? 2003 by Maribeth H. Price 1-4 Example – soils – geology – vegetation communities – slope – aspect – distance to water – distance to roads – satellite-derived vegetation index (NDVI) – satellite-derived moisture index (NDMI) Compare 1998 horseback thistle survey to easily assessed environmental parameters Predicting thistle occurrence in Badlands National Park Copyright ? 2003 by Maribeth H. Price 1-5 Thistle habitat prediction map Copyright ? 2003 by Maribeth H. Price 1-6 A history of products Arc/Info Arc ArcPlot Info/Tables ArcEdit GRID ArcView 3x ArcGIS ArcMap ArcInfo Workstation atalog ArcToolbox ArcGIS Desktop Coverages Shapefiles Geodatabases Copyright ? 2003 by Maribeth H. Price 1-7 ArcGIS Desktop atalog ArcMap ArcToolbox Copyright ? 2003 by Maribeth H. Price 1-8 ArcInfo ArcGIS functionality ArcEditor ArcView 8 Three levels of functionality and cost Copyright ? 2003 by Maribeth H. Price 1-9 GIS Data Vertices Polygon Points Nodes Line X Y Features are stored as a series of xy coordinates in a rectangular coordinate system. Copyright ? 2003 by Maribeth H. Price 1- 10 Features linked to data Each feature is linked to an entry in a data table containing information about the feature.
