Introduction to Geographic Information Systems (GIS) using ArcMap 9.2 Marcel Fortin GIS & Map Librarian, University of Toronto September 27 th, 2007 This presentation
Objectives ► Understand the basic premises of GIS Cartography / Map Making Geographic Analysis ► By Learning the basics of GIS software and databases Different geographic datasets Basic map creation
Objectives ► What is GIS? ► Examples of GIS ► Issues and problems/obstacles to using GIS ► GIS software and Data ► Hands-on
What is GIS? A GIS is a computer application with the capacity to assemble, store, manipulate, analyze, and display geographically referenced information (geospatial data)
What are Geospatial data? Data must “fit” with other data Geospatial data are georeferenced data (ie. they have a geographic field) postal codes postal codes Province Province City City longitude and latitude longitude and latitude lot numbers lot numbers concession numbers concession numbers census tract census tract wards wards etc. etc.
Provinces
Postal Data
Longitude / Latitude
Parcel Information
Air Photos (or other raster imagery) Aerial photograph (Triathlon Inc.) Access via
Road Network File DMTI Spatial’s Street Network File for Ontario
Combination of “Layers” 1999 Orthorectified Aerial photograph overlayed with the DMTI Spatial’s Street Network file for Ontario
Common Examples of GIS
Historical GIS 1860’s Map of Toronto with the Gardiner Expressway overlayed. Note the highway’s location!
What is not GIS?
What is not a GIS – Scanned Maps
E-maps are not a GIS
GPS IS NOT GIS
Future GPS / GIS Convergence 11 GPS.mxd
GIS not CAD
Data Access
Software ESRI Site License (campus consortium) ArcGIS (desktop)ArcGIS (desktop) ArcInfoArcInfo ArcEditorArcEditor ArcView (free version now available from map library)ArcView (free version now available from map library) ArcIMS (web) / ArcSDE (spatial data engine)ArcIMS (web) / ArcSDE (spatial data engine) Mapinfo Site License (through Geography Department) Autocad Map Site License
Other software options Commercial Microsoft MapPoint (software licensing office)Microsoft MapPoint (software licensing office) OracleOracle FMEFME Open Source GRASS (desktop)GRASS (desktop) MapServer (web)MapServer (web) ThubanThuban QGISQGIS
Making Sense of “ArcWording” Functions Umbrella Flavour 3D Analyst, Spatial Analyst, etc. Extensions ArcGISArcInfoArcEditorArcView ArcMap|ArcToolbox|ArcScene|ArcCatalog
Questions or Comments?