dr.ir. gerben j. de boer – tu delft / van oord1 dr.ir. gerben j. de boer – tu delft / van oord...
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Dr.ir. Gerben J. de Boer – TU Delft / Van Oord
OpenEarth
Symposium Connecting data for research - 19 October 2015 2nd round of break-out sessions - Session 1: Working with GIS-data
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Philosophy 2008
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Different layers of standard inspired by Tim Berners-Lee: 5 ★Open Data
Repository: web-based standards
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Repository: proven standards http://1.bp.blogspot.com/-Z8vfA9SmoOg/T84rGCE_XaI/AAAAAAAABLM/Wp2nXaTvrEc/s1600/Amsterdam+086.jpg
http://www.bnr.nl/incoming/621827-1301/fyra-578.jpg/ALTERNATES/i/Fyra-578.jpg
Use proven and existing technology, avoid being guinee pig for too new standards. Standards mature only after using them (like ERTMS).
not too new
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Google Earth overtook all GIS sciences and standards with Google
Maps and open 3D kml: use only GPS WGS84. And UTC for times.
Enormous complexity of earth-centered system became simple with sun-centered one.Occams’ razor at best.
2015: list of 5 ways to map NL. Which one to choose ? None, use GPS + WGS84. The Earth is round !
Google Earth can handle multiple planets. Now that’s useful meta-data.
Repository: current standards not too old
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http://nupedailynews.com/wp-content/uploads/2013/01/telescope..jpg
http://chromblog.thermoscientific.com/Portals/49739/images/lims for biobanking1.png
http://oeatech.net/wp-content/uploads/2011/03/RADARSAT2-satellite.jpg
suspended mud particle
64 μm
6400 km:North AtlanticOscillation (NAO)
gap 10-6 > 10+6
Water scarcityFlood protectionWater pollution
http://upload.wikimedia.org/wikipedia/commons/2/22/Da_Vinci_Vitruve_Luc_Viatour.jpg
Marine/coastal scales
SPACE
CERN
Community: as large as possible
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2 former PhD students just started OpenEarth by combining their finished work:Mark van Koningsveld (UT: coastal sand) &Gerben de Boer (TUD: marine mud)
Social network has grown to 500+ users, incl 3rd world + Fortune 500.
Community: social media events/training
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Philosophy: data = raw data + tools
Real data sharing implies:• Raw data sharing• Software sharing
Earth observation (NASA, ESA, NOAA): L1..L4 = f (L0, g)
• L0 data = raw sensor data• L1..L4 = interpretation levels• f = open source software• g = ancillary data (weather)
Amazon
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Philosophy: version control
http://www.knups.nl/leuk_plaatje/56/Helaas_pindakaas.html
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Philosophy: shared tool versioning
Source code repository has 800+ users and 250+ contributors.
Matlab
@ svn
being
repla
ced by
Python
@ svn
being
repla
ced by
Python
@ htt
ps://g
ithub.
com/op
eneart
h (not
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years
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logos ethos > PATHOS
http://adaywithsfe.files.wordpress.com/2012/09/eazie5.jpg
http://static.nl.groupon-content.net/25/05/1333050000525.jpg
http://cdn.chud.com/a/af/afdcafa0_2601_vegetable_lo_mein.jpeg
raw data
tailored data
scripts
under version control
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logos ethos > PATHOS: graphics
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Organizational embedding
Deltares hosts OpenEarth tools + data repositories:• Synergy with open source model communities Delft3D, XBeach
3TU.Datacentrum hosts Zandmotor: paid during embargo, free after• Synergy with catalogues, DOI etc.
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Spin-off: Van Oord
Van Oord: Engineering & EstimatingOpenEarth Data Management.
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Spin-off: Rijkswaterstaat
http://kustviewer.lizard.net/Rijkswaterstaat: Kustlijnzorg Programma
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More information
www.openearth.nl
datacentrum.3tu.nl
www.zandmotordata.nl
kustviewer.lizard.net