Geographic Information Systems for Public Policy - Lecture XII

Volunteered Geographic Information

Sergio Rey

Last Time

  • Clipping
  • Dissolve
  • Spatial Joins

Today

  • Volunteered Geographic Information
  • OpenStreetMap
  • Exercise 4

Volunteered Geographic Information

Volunteered Geographic Information (VGI)

  • Coined by Michael Goodchild (2007)
  • Citizens as censors (distributed)
  • Aggregate into GIS (centralized)

Types of VGI

  • Crowd Sourcing and Social Media
  • Citizen Science
  • OpenStreetMap

VGI in GIS Research

VGI and Societal Issues

url

OpenStreetMap

OpenStreetMap and QGIS

Plugin

Query

Hospitals

Partitioning: Service Areas

Exercise 4

  • Introduce Today
  • Collaborate on it during remaining three sessions
  • Learn how to extend QGIS along the way

Creative Commons License
GIS for Public Policy’20 by Sergio Rey is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.