Geographic Information Systems GIS An Introduction Map and

Geographic Information Systems (GIS): An Introduction Map and Data Library University of Toronto Libraries Marcel Fortin GIS & Map Librarian, University of Toronto Map and Data Library gis. maps@utoronto. ca mdl. library. utoronto. ca

Objectives n Learn GIS Basics: Data and software n Concepts and applications n n Navigate the world of Geospatial Data n Services in the Map and Data Library, University of Toronto

What is GIS?

What is GIS? Google Earth Global Positioning Systems (GPS) Adobe Photoshop / Elements Autocad http: //www. geocachingtoys. com/i//pt-gps 60 -LF-LG. jpg

GIS/Geospatial Vector and raster data

What is GIS? Compile Data (points)

What is GIS? Compile Data (lines)

What is GIS? Compile Data (polygons)

What is GIS? Manipulate Data

Population Density (Pop / Area)

Population Density of Greater Toronto Area

Raster Data: Air Photos

Google/Web Impact on GIS Digital Information is now looked at differently…people want to see what can be mapped n Increase in geographic data now available all over the web from users n Increase in demand for geographic data n

Toronto Crime GIS via Google Maps

Buffers and Symbology

Buffers and Symbology

Proximity Querying

Analysis: 34 -36% of homicides occur within 500 m of a Grow Op

Analysis Frequency Distribution by Age

GIS – Where to start http: //mdl. library. utoronto. ca