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2003/10/23-24 French policies related to GI1 French policies related to geographic information:...
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Transcript of 2003/10/23-24 French policies related to GI1 French policies related to geographic information:...
2003/10/23-24 French policies related to GI 1
French policies related to French policies related to geographic information:geographic information:
issues and lessonsissues and lessonsNathalie Eltchaninoff (INSEE)
Jean Philippe Lagrange (IGN)
François Salgé (CNIG)
2003/10/23-24 French policies related to GI 2
ContentContent
• Major GI policies requirements– creating the "geo-referenced buildings register" – « dematerialising » the cadastre, – the large scale reference data (RGE)
• Respective role of traditional players– Data providers and interface with local governments – Producer and integrator of data collected by third parties
• Challenges– In France– In Europe
2003/10/23-24 French policies related to GI 3
Major GI Policies: "geo-Major GI Policies: "geo-referenced buildings register" referenced buildings register"
• To support continuous census
• As wall as many other needs:– Municipalities administration– Utilities management– Emergency services– Services for the citizens
• Pinpoint every address in France
2003/10/23-24 French policies related to GI 4
Address componentAddress component
• First stage, 2003:– An existing data base of
georeferenced address ranges
– An address information DB (to be chosen)
• Second stage, 2006: georeferencing of address information DB Address point data base
2003/10/23-24 French policies related to GI 5
Address component - issuesAddress component - issues
• Choice of the first set of address points• Privacy issues: e.g., National council on information
distribution (CNIL) restrictions on distributing such data sets as the INSEE RIL
• Cost of creating and maintaining the data set– RIL Creation :
• 100 employees during 2 years for 6 000 000 addresses
– RIL Update : 30 persons each year
• INSEE to bring in its expertise, and knowledge of standards
2003/10/23-24 French policies related to GI 6
Major GI Policies: Major GI Policies: dematerialising the Cadastredematerialising the Cadastre
• Partnerships with local governments and their partners– Vector cadastre
• Scanning of cadastral maps– All non vector maps
=>2005 on-line sheet by sheet cadastre
2003/10/23-24 French policies related to GI 7
Major GI Policies: large scale Major GI Policies: large scale reference data reference data
• RGE as 4 components– Orthophoto– Topography– Land parcels– Addresses
• Registered to each other
=>2007 RGE as an infrastructure for GI
2003/10/23-24 French policies related to GI 8
Orthoimage componentOrthoimage component
• Based on existing BD ORTHO product
• Nation wide: 1 meter accuracy, 50 cm resolution colour coverage
• Urban areas: Higher resolution coverages (25cm, 12.5cm)
• 2003 first coverage, then 5 years update cycle
2003/10/23-24 French policies related to GI 9
Topographic componentTopographic component
• Based on existing BD TOPO product
• Nation wide: 1 meter accuracy, 2.5D data from stereoplotting
• Urban areas: Specific larger scale coverage
• Completion expected by 2007
• Continuous update process being put in place
2003/10/23-24 French policies related to GI 10
Land parcel componentLand parcel component
• MoU between Cadastre Office and IGN
• Scanned sheets passed to the IGN
• Georeferencing, and assembling of cadastral sheets
• Consistent with orthoimagery and topographic features
2003/10/23-24 French policies related to GI 11
Adresses componentAdresses component
246
12
Rue de Paris
Rue
Pas
teur
Adresse Niveau 1
Adresse Niveau 2
Adresse Niveau 3 3
2003/10/23-24 French policies related to GI 13
Respective role of traditional Respective role of traditional playersplayers
• Data providers, and interface with local governments (INSEE statistical office, DGI cadastral administration)
• Producer, integrator, and distributor of data collected by third parties (IGN national mapping agency)
2003/10/23-24 French policies related to GI 14
RGE acquisition policyRGE acquisition policy
• Wherever data is already available, and can be integrated in RGE: Try to do a deal:
• Integration of data in the RGE• IPR retained by the original producers/owners• But full distribution rights of this RGE subpart passed to IGN• Three partnership cases:
– Data provider and IGN RGE distributor– Data provider and IGN co-produce, IGN distributes– Both players produce, and distribute
• Else production taken care of by IGN– Either in house– Or, increasingly, by outsourcing it.
e.g., Land parcel data base production overwhelmingly outsourced
2003/10/23-24 French policies related to GI 15
Rationale for integrationRationale for integration
• Best use of public money• Faster creation of RGE• Optimised maintenance • May foster the use of reference data• Help develop consistency, and
interoperability among data collections
2003/10/23-24 French policies related to GI 16
IntegrationIntegration
• Agreements on data collection – Many signed– with the cadastre office (DGI)
• Partnership on creating, and maintaining the Land Parcel Data Base
– with other state agencies• IFEN (environment agency), French Railway Network agency,
Électricité de France, Regional directions of Ministry, ONIC…
– With local authorities • Partnership on creating, maintaining, and distributing RGE local /
partial coverages (e.g., some French ‘départements’, Bordeaux city)
• Outsourcing– Increasing share of topographic, and orthoimagery data production– Close to ¾ of the Land Parcel Data Base production
• Issue of developing the quality control, and integration capabilities
2003/10/23-24 French policies related to GI 17
Integration: constraintsIntegration: constraints
• Quality:– Recognised and knowledgeable provider: Quality data– Data compatible with RGE (content and currency): Consistency of
RGE data– Available coverage large enough: Efficiency– Perennial provider
• Pragmatism:– Go for cost saving solutions– Comply with RGE collection timetable– Avoid too technically difficult integration
2003/10/23-24 French policies related to GI 18
Expected benefitsExpected benefits
• Common infrastructure that brings in more homogeneity
• Shared data used for many applications– May be data sharing at the local level?
• Development of applications, and of GI use in decision making
2003/10/23-24 French policies related to GI 19
Challenges (1)Challenges (1)
• Establish the French SDI, in connection with eGov developments
• Contribute to European reference data– Small and medium scale– Access to large scale in a
consistent way– EuroGeographics projects
• Establish interface of the French SDI with the ESDI
2003/10/23-24 French policies related to GI 20
Challenges (2)Challenges (2)
• Integration of data from heterogeneous sources (first phases)
• Maintenance based on information collection from many sources
• Long term commitment of all the stakeholders, and contributors