Lecture 2 Flashcards
Geographic Information:
Static Information is un…
Exmaples come from..
They can also be..
Static maps are unchanging, created by government, NGOs and Agencies
Noise pollution, Environment agency, Carbon Trading
They can be made by public - recycle now
Geographic Information:
Static Information
How is data precented?
Data is tradditionally presented as a map and is fixed over short periods of time.
Information involves query to database
Geographic Information:
Dynamic Information is information that..
For example
Information that expands as users add content
Where’s the Path? and Geograph
Geographic Information:
Dynamic Information
can be used at a … level
Community level - fix my street, house rentals, online auctions
Geographic Information:
Real Time Information presents…
Presents time sesitive information and is usually of local interest (air traffic, traffic)
Geographic Information:
Real Time Information helps with Route planning
Trains (national rail) and general transport (bus, car, AA)
Geographic Information Supply and Creation
Open Street map…
Open Street map created by public and so constantly evolves
Geographic Information
Google Earth
Google Earth directly manipulates the globe to produce 3D content
Online Communities
Social media but with geographical information
for exmaple
Wandermap and Strava
Online Communities
Social media but with geographical information
Can be used for location sharing
My Tracks android, Find Friends
Accessing Geographical Information
In all of examples above we need a…
Spatial Refernace that is precise and specific (eg. coordinates or direct entry)
Names are needed, can use Gazetteer for exmaple (common spelling)
Impediments to online access
Ownership of information (eg. Recycle now)
Currency, Accuracy and Resolution - often information can be contradictory
Summary
LOCATION IS CRUCIAL FOR WEB
