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Different ways to use GIS
Eva Grum
Tu-Vienna
Institut for Geoinformation
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Overview
What are „Geographic Information Systems“?
Pyramid of costs Layers Different kind of Data Where can you use GIS? Why use GIS?
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
What are „Geographic Information Systems“?
A GIS is a system of hardware, software, data, editors, and users
which combines layers of data about a place to give a better understanding of that place.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Pyramid of costs
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Layers
A GIS stores
data about
the world as a
collection of themed
layers that can be
used together.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Different kind of Data
Raster data: has a geometric base element and this is the raster cell. A raster model consists of many cells.
Vector data: comprised points, linear connections between these points and polygons which are framed from such lines.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Where can you use GIS? 1/5
Landscape-information-systems:
Multi purpose cadastre Topographical information system
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Cadastral map This is a cadastral
map where it is possible to find different features: -parcels, -streets, -houses and -some other
information about sewerage systems.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
3D Model of a landscape
In this model there are only the base data for a 3D digital terrain model given.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
3D Model of a mountain
Here are the base data and some additional data about the geology.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Where can you use GIS? 2/5
Spatial-information-systems
Regional planning and topographical planning
Municipal application Landscape planning Official statistics
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Statistics
School boundaries with statistical information.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Where can you use GIS? 3/5
Environment-information-systems
International environment programs National environment programs Landscape-ecological application Agriculture and forestry Internal environment-information-system
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Agriculture
An example for statistics and forestry.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
3D map versus a 2D map
This map shows a
part of a national
park in two different
views.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Catastrophic risk in the United States
Here the risk zones for hurricanes, earthquakes, tornados, and hailstorms are shown.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Where can you use GIS? 4/5
Network-information-systems
General requirement Examples for Network-information-
systems
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Waterways
An example for the waterways and gullies.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Electricity
Shows the electric mains.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Where can you use GIS? 5/5 Specialty-information-system
GIS in transport and traffic GIS in business-area GIS in social-area GIS in national defence GIS in telecommunication GIS in resource-management Other GIS applications
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Transportation:
The air transportation becomes more important. This is the status of air routes from Japan to Asia.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Telecommunication:
Areas with astrongenoughsignal to usethe wirelessnetworkdemonstrated ina 2D model.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Telecommunication:
Areas with a
strong
enough
signal to use
the wireless
network
demonstrated in
a 3D model.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Navigation:
Pedestrian andbicyclenavigationconsidered asexample fromAtlanta.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Routing planner: from Bregenz to Eisenstadt
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
The result of the query
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Search for an exact address: Stephansplatz 1
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
The result of the query
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Why use GIS? 1/3
Improve organizational integration:
A GIS can link data sets together by common locational data, such as addresses, which helps departments and agencies share their data.Data can be collected once and used many times.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Why use GIS? 2/3
Make better decisions:
“better information leads to better decisions”: this old adage is true for GIS.
For example: finding the right location for a house or a building in a low risk area and near a population center.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
Why use GIS? 3/3
Make maps
A GIS creates maps from data drawn from databases.
Existing maps can be digitized and translated into the GIS as well.
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Grum Eva Tu-Vienna Institute for Geoinformation
27.01.2004 Forschungsseminar
References Bartelme, Norbert (1989), GIS Technologie, Springer
Verlag Stars, Jeffrey; Estes, John (1990), Geographic
Information Systems; Prentice Hall, New Jersey Bill, Ralph (1996), Grundlagen der Geo-
Infromationssysteme; Herbert Wichmann Verlag, Reinheim
Examples are from:
http://www.gis.com/
http://www.austrianmap.at/
http://www.wien.gv.at/wiengrafik/suche.htm