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EuropeanEuropean GeosciencesGeosciences UnionUnion
General General AssemblyAssembly 20092009
EarthEarth and and SpaceSpace ScienceScience InformaticsInformatics
Results of the ADAGUC projectResults of the ADAGUC project
John van de Vegte [email protected] Netherlands Meteorological Institute
This project was sponsored bySpace for Geo-Information
www.rgi.nl
People involved in the project (alphabetical):
R. van der A, B. Domenico, C. Frankenberg, N. Groot, R.M. van Hees, R. de Jeu, H. Manders, J.F. Meirink, S. Nativi, M. Plieger, N. de Reus, M. Schaepman, R. Sluiter, W. Som de Cerff, C. Sioris, P. Veefkind, J. van de Vegte, E. de Vreede, F. van der Wel, O. Wilhelmi, S. de Witte, C. Zehner
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What is ADAGUC ?
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ADAGUC is about…
� Connecting atmospheric- and geosciences
� Atmospheric datasets in GIS systems
� Open standards � OGC� Web Mapping Service – For visualization
� Web Feature Service – To retrieve vector data
� Web Coverage Service – To retrieve raster data
� Knowledge & technique dissemination
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OGC Web Services
DATA PRODUCTS SERVICES
BinaryBinaryBinary
BinaryBinary
BinaryBinaryOther
WMS
WCS
WFS
ADAGUCContainerFormat
SCIAMACHYSCIAMACHY
ECMWFECMWF
radar
GOMEGOME
OMIOMI
MSGMSG
GDAL/OGRADAGUCContainerFormat
ADAGUCContainerFormat
ASCII
ArcGIS
AD
AG
UC
Port
al
uDIG
gvSIG
GoogleEarth
…
& many others
Web browser
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NetCDF4 as data carrier
� Joint project between Unidata and HDF Group
� NetCDF 4 uses HDF5 as the storage layer of NetCDF
� Programming interfaces are backward compatible with the netCDF3 programming interface
NetCDF3popular, simple, lots of tools,
multiple implementations
HDF5powerful, high-performance,
storage efficiency, extensibility
NetCDF4
Best of both formats combined!
Details in Details in presentationpresentation of M. of M. PliegerPlieger: EGU2009: EGU2009--5833 5833
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i.nl ADAGUC product standard
(available on website)
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Metadata: find- and use-ability
� Self contained in data files
� INSPIRE – ISO 19115
� Climate and Forecast convention
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i.nl GDAL/OGR drivers
Open source translator library for raster geospatial data formats
Used in many software productsUMN MapServer, GeoServer, Quantum GIS, ArcGIS, GRASS, OpenEV etc..
GDAL - Geospatial Data Abstraction Library
� Access raster data
OGR - Simple Feature Library
� Access vector data
GDAL/OGR extensions for the ADAGUC format standard are available:
http://http://trac.osgeo.org/gdal/wiki/ADAGUCtrac.osgeo.org/gdal/wiki/ADAGUC
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i.nl ADAGUC portal
stacked on WMS/WFS/WCS
WMS GetCapabilitiesWMS GetMap
WMS GetFeatureInfo
WMS GetLegendGraphic
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i.nl Download from portal
� Obtaining the real data through OGC services or the original ADAGUC (NetCDF/HDF5) files
� WFS or WCS ?
� WebGIS client selects the appropriate service depending on the datatype (raster/vector)
� WCS – obtain optimal parameters:
� Predefined bounding box, columns, rows and cell size
� No resampling/interpolation
User is always free to adjust the parameters
� User must select his favorite (GIS) format
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ECMWF model 2D params + time
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i.nl AMSR Soil Moisture
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i.nl GOME: Ozone, Cloud fraction
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i.nl Sciamachy Methane monthly avg
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i.nl RADAR Rain Rate in real time
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i.nl GIS programs using ADAGUC
ArcGIS ExplorerArcGIS Explorer Google EarthGoogle Earth Quantum GISQuantum GIS
gvSIGgvSIG ArcGIS DesktopArcGIS Desktop UDIGUDIG
IDVIDV HDF ExplorerHDF Explorer NASANASA’’S PanoplyS Panoply
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Summary
� Product standard is stable.
� Much experience gained with GDAL/OGR, NetCDF/HDF5, INSPIRE, OGC, UMN MapServer
� Portal and services are ready:� Satellite, model, and radar datasets are
available and more will follow.
� Next challenges:
� Start using catalogue services (CSW).
� Data policies, operational status.
� 4 dimensional data.
� Client applications should work on supporting the OGC standards.
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Please visit:
http://adaguc.knmi.nlfor
WMS/WFS/WCS services (with real atmospheric data)
Webportal
Product descriptions
Software
Documentation(including over 40 ADAGUC presentations)
Thank you for your attention !
In preparation: IEEE Selected Topics in Applied Earth In preparation: IEEE Selected Topics in Applied Earth Observation and Remote Sensing (JObservation and Remote Sensing (J--STARS) STARS)
““Heterogeneous data access and use for geospatial Heterogeneous data access and use for geospatial user communitiesuser communities””