Inleiding Geomarkt
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Een verhaal over geschiedenis, nieuwe trends en markten gelinkt aan geomatica
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Inleiding
• Een korte geschiedenis• Wat is er nu aan het gebeuren?• Wat is de relevantie voor u?
– Vraag naar data, data en nog eens (ruimtelijke) data– Technieken om de data
• te “bewaren”• te ondervragen• te maken
– De toepassingen
• Web 2.0: een nieuwe bron van interactie met data• Een voorbeeld
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Een korte geschiedenis
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Een korte geschiedenis
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Geomatica tripod(Ruimtelijke) analyse technieken
Wat, Waar & wanneer vastleggen Informatica
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John Snow (1813-58)Cholera John Snow Memorial London, Soho
Ruimtelijke analyse
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Een korte geschiedenis
• 1773: longitude price given to John Harrison– marine chronometer nr. 4
– test of marine clock showed accurate within 1/4 degree to measure longitude
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COLOSSUS-BletchleyComputer designed by Alan Turing to crack codes (1940)
Een korte geschiedenis1821 Charles Babbage
invention of the Difference engine
Von Neumann
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Een korte geschiedenis
(1957) Sputnik Orbit calculation via Doppler shift Inverse to measure position on Earth (Richard Kershner, John Hopkins University)
Plaastbepaling
(1958-61) University of Washington
Nystuen, Tobler, Bunge
Fundamental spatial concepts •Connectivity , Distance •Computer algorithms for map projections •Computer cartography •Theoretical geography •Geometric basics : point, lines, areas
Key GIS concepts
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Een korte geschiedenis(1960-1975) Harvard Laboratory for Computer Graphics and Spatial Analysis Map algebra development Quantitative Revolution in Geography • Locational analysis • Spatial statistics • quantitative methods Software Packages • (1964) SYMAP • (late 1960s) SYMVU • 3D perspective view • (late 1960s) GRID • Base of RASTERGIS • (early 1970s) POLYVRT • Harvard SW • based on DIME model (topology!)• (1975) ODYSSEY • analysis package • polygon overaly algorithm • sliver removal Key Individuals • Howard Fisher • From Chicago • developed SYMAP • William Warntz • Theories of spatial analysis • Scott Morehouse • key between ODYSSEY & Arc/INFO (ESRI) • (1969) ESRI founded by Jack Dangermond • Roger Tomlinson (invents term”GIS” in 1963)
P1(x1,y1)
P2(x2,y2)
PO(x3,y3)
PI(x3,y3)
L1
L2Px(x4,y4)
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Een korte geschiedenis
(1967) DIME model by CENSUS predecessor of TIGER Used in 1970s for digitizing US
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Een korte geschiedenis• (1967) Satellite positioning system operational
– US Navy Navigational Satellite System Transit – Tsikada System (USSR)
• (1968) ERGS: Electronic Route Guidance System – Developed by US Bureau of Public Roads)
– Used a network of short-range beacons in the vicinity of certain intersections
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Een korte geschiedenis
• 1970-1990: 1D vs 2D (DBMS vs GIS)– IBM DB2, Ingress, Informix, Oracle– 1969: ESRI founded by Jack Dangermond
Larry Ellison
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Een korte geschiedenis
• 1990s: 1st commercial VNS with GPS – Navigator of ETAK – Oldsmobile Guidestar – Electro-Multivision – Nissan's Multi AV – CARIN Philips – Travelpilot of Bosch
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Een korte geschiedenis
• Een handvol nav-data producenten– Philips– Bosch– Tele Atlas– Navtech (Navteq)– AND
• 1995– Boom in investeringen dataproductie
• 1998-1999– Commerciële doorbraak navigatie in EUR
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Wat is er nu aan het gebeuren?
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Markets
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Markets
• “By the end of 2008, 85% of new mobile phones will be GPS enabled and it is predicted that in 2012 90 million GPS phones will be shipped in Europe alone. The market as we know it is under siege and in-car and PND players are starting to look over their shoulders.”
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• Hardware
• Aps
• Data
Wat is er nu aan het gebeuren?
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Windscreen display
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Alternative plaforms
Virtual Partner™—lets you "race" a virtual competitor, making training fun
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City Games
• http://citygame.nl/view.cfm?page_id=2599
• La Mosca
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Wat is de relevantie voor u?
• Vraag naar data, informatie en nog eens ruimtelijke informatie
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Vraag naar data, informatie en nog eens ruimtelijke informatie
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Vraag naar data, informatie en nog eens ruimtelijke informatie: 3D
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Vraag naar data, informatie en nog eens ruimtelijke informatie: 3D
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Vraag naar data, informatie en nog eens ruimtelijke informatie:
nauwkeurige data
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Vraag naar data, informatie en nog eens ruimtelijke informatie
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Wat is de relevantie voor u?
– Technieken om de data • te “bewaren”• te ondervragen• te maken
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Technieken om de data...
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Technieken om de data te maken
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Technieken om de data te maken
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De toepassingen
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Pauze
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Waarom is Web 2.0 meer dan een hype voor jullie
• Web 2.0 is the business revolution in the computer industry caused by the move to the internet as platform, and an attempt to understand the rules for success on that new platform. Chief among those rules is this: Build applications that harness network effects to get better the more people use them.
Tim O'Reilly
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• What’s so exciting about web 2.0
RSS/Atom
Mashup
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Web 2.0: The concepts
• What (is/was) Web 1.0: – Static– Information, no interaction: page after page
after page....
• "Network as platform" - interaction
• Architecture of paricipation / social networking
• Dynamic data
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Yakov Ben-HaimInformation analyst, Engineer, Economist, Philosopher
Is there more than standard “business as usual” going on?
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(1/5) Communication
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RSS/Atom
(2/5) (Dynamic) Content on demandCreated by professionals, prosumers, community
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(3/5) Direct Response
Tariq Krim
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Web 2.0 Technology
• Rich Internet applications (RIA)– web applications that have the features and
functionality of traditional desktop applications.
– Ajax: shorthand for Asynchronous JavaScript and XML
• Cascading Style Sheets (CSS) • RSS/Atom : Really Simple Syndication • blogs , mashup , Web service
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(4/5) Using the (community) network:
Tim O'Reilly
•Build applications that harness network effects to get better the more people use them.
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(5/5) Mashup principle: don’t reinvent the wheel but link, integrate, and create added valueexpanding further the Global Brain
The Internet is bringing us toward some sort of worldwide mind. Bloom believes we've had one all along.Emergence is about the theme of bottom-up organization who are creating incredible complex and good working systems.
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www.chicagocrime.org
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Tracking Satellites
• http://gmaps.tommangan.us/• http://gmaps.tommangan.us/spacecraft_tracking.html
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Web 2.0 examples
• Technical– http://www.netvibes.com– http://www.riya.com/– http://www.like.com/
• Conceptually (spatial)– http://www.mylimburg.nl– http://wikimapia.org– http://www.planetware.com – http://www.routeyou.com– http://www.travelistic.com
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Your challenge
• You’re trained in linking (spatial and temporal) data and get information out of it
• You (are/will get) trained in the techniques to link this (spatial and temporal) data– Storing spatial data
• Topology• Relational database
– Retrieving spatial data• Indexing techniques• Topology
– Modelling
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Wat onthouden & wat opzoeken?
• DIME is gebouwd op basis van topologie. Geef 2 voorbeelden van topologische relaties in het DIME of een ander formaat
• Een ruimtelijke DBMS gebruikt ruimtelijke indexen. Waarom & hoe werken die? Geef één voorbeeld van een ruimtelijk DBMS.
• Zoek zelf een goed Web 2.0 voorbeeld op ‘ruimtelijk’ vlak en beschrijf waarom het een Web 2.0 applicatie is
• Bekijk de structuur van een GPX bestand en leg uit wat GPX is + gebruik de termen Ascii, XML, UTF-8. Wat zie je als voor en nadelen van GPX.
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Is er nog tijd?
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R&D rond digitale toeristische routes
www.routeyou.com
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R&D: Classificatie
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R&D: Classificatie - GIS
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38 variables are used to calculate the ‘suitability’ level and resistance for each roadelement for•cars & motorcycles•pedestrians•cyclists
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R&D: Routeringstechnieken
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Kortste/snelste vs mooiste
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Kortste/snelste vs mooiste
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R&D: Geo-webmining
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Any fact becomes important/interesting when it's connected to another.
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R&D: Route Webmining
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R&D: Conflation
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R&D: ConflationReference networks
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R&D: Conflation: Individual routes
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R&D topics
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R&D: Data cleansing
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R&D: Data cleansing
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R&D topics: netwerk extractie