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QGIS for GISThe time is now
Mapping Your DataJanuary 12, 2016
Jim O’Leary
Outline• What is QGIS?• Why is QGIS Important?• QGIS Demos• How Can I Learn QGIS?
What is QGIS• Open Source GIS software
– Aka Free• High quality• Many developers
– 4 month release cycle• I own it
What is QGIS?Made quantum leap in Sept 2013
– Version 2.0• New vector API• New symbology• New labeling
Image source: Kurt A. Menke https://www.flickr.com/groups/qgis/pool/
What is QGIS?• Interest growing rapidly
– Google Trends indicators
Date QGIS ArcGIS PercentageSep-13 22 93 24
Sep-14 28 91 31
Sep-15 33 82 40
• You’ve heard of the printing press?– Revolutionized information sharing– Only the rich could print
• You’ve heard of the Xerox?– Everyone can print
Why is QGIS Important?
• Study by NRCan, 2013– 2,500 firms – $2.3 billion to economy
Why is QGIS Important?
• Charities
Why is QGIS Important?Who is using GIS?
• Marketing
Why is QGIS Important?Who is using GIS?
• Visual Analytics
Why is QGIS Important?Who is using GIS?
• Politics• Journalism
Why is QGIS Important?Who is using GIS?
• Community centre patrons– Custom icon– Size by number of patrons
QGIS DemosTheme by Attribute
• Start with drinking fountains
QGIS DemosDistance Analysis
• Turn them into raster
QGIS DemosDistance Analysis
• Theme the raster
QGIS DemosDistance Analysis
• Fire truck can get to areas in:– Green = 4 minutes– Yellow = 6 minutes– Blue = 8 minutes– Red = 10 minutes
• South Vancouver well covered by five fire halls
QGIS DemosFirehall Response Times
• Exclude fire hall 17• Yellow patch in East Van
divides green
QGIS DemosFirehall Response Times
• Exclude fire hall 22• Yellow patch in Marpole
QGIS DemosFirehall Response Times
• Heatmap shows concentration of girls’ addresses
• Focus on areas where there are no addresses
QGIS DemosGirls’ Softball League
• US Dept. Labor• 2,000 GIS professionals• Geospatial Technology
Competency Model• 5 courses
How Can I Learn QGIS?
• Geographic Information Systems program
– Open Source software– First of its kind in Western Canada– Localized to Vancouver and BC– Starts January 19, 2016
• That is next Tuesday!
How Can I Learn QGIS?
??Questions??