isn/16.167 modèle tn-02.018-1.5 ign - cnig€¦ · isn/16.167 modèle tn-02.018-1.5 ign.fr ....
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ign.fr Modèle TN-02.018-1.5 ISN/16.167
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ign.fr
A WFS PROFILE FOR THE NATIONAL
URBAN PLANNING WEBSITE
GEOPORTAIL DE L’URBANISME
ISN/16.167
30 septembre 2016
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GENERAL CONTEXT
ISN/16.167
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Why do we need a national urbanism website and
infrastructure?
Simplify access by citizens to the urbanistic rules and maps
Facilitate urbanism stakeholders jobs
Apply INSPIRE directive
To access urbanistic rules on local area: - Until now: go to the competent authority head office - In 2020: all urbanistic rules will be available on www.geoportail-urbanisme.gouv.fr.
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Digitalizing and gathering urbanistic data
Currently, Urbanistic data are:
Produced by municipalities or state services
Often still paper based
French strategy on urbanistic data is incorporated in the law
(ordonnance 19th December 2013)
The competent authority has to digitalized the data between 2016 and
2020
The digitalization must respect the national CNIG standard
From 2020, urbanistic data must be published on the national urbanism
website
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What is the national CNIG Standard?
THE CNIG (NATIONAL COUNCIL OF GEOGRAPHICAL INFORMATION)
BRINGS TOGETHER THE REPRESENTATIVES OF:
Ministries
Public institutions
Territorial authorities
Experts of geographical Information
THE NATIONAL CNIG STANDARD SPECIFICATIONS ARE CLOSE TO INSPIRE DATA MODEL BUT:
More easy to understand from local actors points of view
Are updated in line with French law evolutions
IN THE WEBSITE:
The producers have access to a CNIG standard validator
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Uploading urbanistic data
The producers can upload their data:
by zip file (CNIG Standard)
by Atom feed (Atom Profile)
by WFS (WFS Profile)
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WFS PROFILE
ISN/16.167
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Based on Inspire TG
No duplication of efforts
BUT GPU profile repeats Inspire requirements
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Define GML encoding
Issue : CNIG standard was based on Shape and defined a ZipFile
structure.
Solution: Define a GML encoding based on CNIG standard
ISN/16.167
GML
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Define GML encoding
« Données géographiques » is a directory of shapefiles,
transformed in a GML structure
ISN/16.167
GML GML
GML
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Define GML encoding
« Pièce écrites » directory, containing documents would be
zipped and a URL pointing to this zip file added in the GML.
ISN/16.167
GML
URLPE
Zip file with all documents
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Define GML encoding
Metadata is also enclosed so a URL pointing to the metadata file
is added in the GML.
ISN/16.167
GML
URLMD
Metadata file
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Define update mechanism
When should data be harvested again ?
Solution based on updateSequence attribute of the GetCapabilities
updateSequence =
Then harvest only new elements based on identifiers
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Precise content of GetCapabilities
Abstract SHALL contain a specific text
« Ce service implémente la version 1.0 du profil CNIG Basic WFS. »
Profile SHOULD be set to
<ows:Profile>CNIG_WFS_Profile_1.0</ows:Profile>
Specific keywords SHALL be added
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More info
Latest version of WFS profile is available here:
http://cnig.gouv.fr/wp-content/uploads/2016/08/Profil-WFS-
Donn%C3%A9es-Urbanisme-V0.9.3-1.pdf
https://www.geoportail-urbanisme.gouv.fr/
The map is here: https://www.geoportail-urbanisme.gouv.fr/map
ISN/16.167