1. Geographic Information Systems (GIS) Data Marcel Fortin Geographic Information Systems (GIS) and Map Librarian Map and Data Library December 7, 2009

2. What is GIS? GIS is a computer application with the capacity to assemble, store, manipulate, analyze, and display geographically referenced information (geospatial data)

3. GIS Data : Vector / Raster

4. Vector Data: points

5. Vector Data: lines

6. Vector Data: Polygons

7. Vector Data: Attribute Information

8. Data Editing

9. GIS Data Display

10. GIS Data Analysis

11. Vector Data Packages

12. Polygon Layers

13. Point Layers

14. Line Layers

15. Greater Toronto Area

16. Greater Toronto Area Clip

17. City of Toronto Clip

18. City of Toronto Zoomed in

22. Data Catalogue

23. Raster Data

24. TIF Format High Resolution Originals / Large Geographic Area 500 MB

25. Compressed JPEG / Smaller Geographic Area 10 MB / image

27. Data Catalogue