where have we been
Download
Skip this Video
Download Presentation
Where have we been…

Loading in 2 Seconds...

play fullscreen
1 / 13

Where have we been… - PowerPoint PPT Presentation


  • 74 Views
  • Uploaded on

Where have we been…. Communication science, vision, cogintion Map users Activities and tasks Deconstruction – role of the state Web mapping mapping history teaching spatial concepts to children Community mapping VGI. VGI…. What is it? Citizens as censors, the world volunteered….

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Where have we been…' - aladdin-blackburn


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
where have we been
Where have we been…
  • Communication science, vision, cogintion
  • Map users
  • Activities and tasks
  • Deconstruction – role of the state
  • Web mapping
  • mapping history
  • teaching spatial concepts to children
  • Community mapping
  • VGI
slide2

VGI…

What is it?

Citizens as censors, the world volunteered…

vgi evolution
VGI Evolution

1.

Historical

Map

Place names

vgi evolution1
VGI Evolution

2.

Gazetteer

Place name lists

And associated maps

vgi evolution2
VGI Evolution
  • From the State run geographic information to:
  • User-generated geographic information
    • Wikimapia (like fllickr referencing photos)
    • Google Earth
    • Openstreetmap
openstreetmap
Openstreetmap
  • Started 2004 by Steve Coast in England
  • Walk, bike, hike, drive recording tracks with a GPS
  • Recording redrawn on a computer, additional info added (street names0
  • Uploaded into a central database
  • Problems?
openstreetmap1
Openstreetmap
  • Many cities mapped to a level of detail greater than google maps (or Yahoo or Microsoft).
  • Data more current than many other offerings
  • Opencyclemap
  • Special versions
    • topo map integration,
    • kml export for import into Google Earth
    • Export to shape files
    • Wikiprojecthaitihttp://haiti.openstreetmap.nl/
vgi terminology
VGI terminology
  • Web 2.0 – real applications running on the web - broad, diffuse, interacts with many people simultaneously, real time collaboration
  • Humans as sensors: satellites, openstreetmap GPS
  • Citizen science: bird counts, e-flora
  • Participant populations: truckers, farmers
  • Early warnings: Indian ocean tsunami, hurricane Katrina emergency response
vgi questions
VGI questions
  • Why do people do this?
  • Authority?
    • Standards = authority = state mapping agencies
    • Google maps…
  • Digital divide versus ‘open’ data
vgi value
VGI value
  • Learn about remote places
  • Plan trips
  • Provide background, travellogs
  • Cheap source of geographic info
  • Military and commercial intelligence…
  • Local activities about local people in geographic locations that go unnoticed
  • Life at the local level – interesting lasting compelling value to geographers.
ad