NLExtract - Unlocking Dutch Open Geo-datasets - High Level Introduction
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Open de Nederlandse Open Geodata met NLExtract Just van den Broecke Geo Freedom Day, Amersfoort 15 December, 2012 www.justobjects.nl zaterdag 15 december 2012
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NLExtract, see www.nlextract.nl, is a project that aims to make Dutch open geo datasets more accessible. Many Dutch nation-wide geo-datasets like BAG (Addresses and Buildings) and Top10NL (Vector Topography) are freely downloadable (e.g. via pdok.nl) but their (XML/GML-) format is not directly usable within applications. A conversion ("ETL") to e.g. Postgres/PostGIS is not trivial because of the data complexity (GML) and size (GBs). NLExtract aims to provide software tools and recipes to unlock these datasets. This is a very high-level introduction to NLExtract, given at the GeoFreedomDay (www.geofreedomday.nl) in Amersfoort on december 15, 2012. See also https://github.com/justb4/setl for some upcoming ETL tooling we plan to use.
Transcript of NLExtract - Unlocking Dutch Open Geo-datasets - High Level Introduction
Open de Nederlandse Open Geodatamet NLExtract
Just van den BroeckeGeo Freedom Day, Amersfoort
15 December, 2012www.justobjects.nl
zaterdag 15 december 2012
Over mijOnafhankelijk Specialist Open Source Geo-ICT
Kwartiermaker OSGeo.nl
Just van den [email protected] www.justobjects.nl
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?GML
XML
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?GML
XML
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GML
XML
?
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GML
XML
“ETL”
ETL=Extract Transform Load zaterdag 15 december 2012
GML
XML
NLExtract
NLExtract
NLExtract
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Wat is NLExtract ?
Tools om vrije Nederlandse overheids-geodata te converteren en te visualiseren
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NLExtract - Welke Datasets ?
BAG - Basis Administratie Addressen en Gebouwen
Top10NL - Topografische Kaart
BGT - Grootschalige Topografie
AHN - Hoogtebestand
Bonnebladen (historische kaarten
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BAG - Brondata
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NLExtract - BAG
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NLExtract Technologie
ogr2ogrwww.gdal.org
PythonQuantum GIS
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Bedankt voor uw aandacht
www.nlextract.nl
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