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This course focuses on the importance of standards in Spatial Data Infrastructure (SDI), including classification, standardization organizations, and specific standards for SDI. Learn how standards make life easier!
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Technology & Standards for SDIEmphasis on Standards SDI course Arnold Bregt
Technology People Policies Spatial Data Standards Components
Contents • Why Standards? • Classification of standards • Standardization organizations • Standards for SD
Standards • Can you mention a few standards in daily life?
Why Standards? • Efficiency • Rules and threshold for society • Increase connectivity
Classification of standards • Ad hoc standards • Proprietary standards • De facto standards • De jure standards
Organisations ISO/tc211 OGC EU (INSPIRE) CEN/tc278 National government NEN
Standardization organizations • ISO • OGC • CEN
ISO • Founded 1926 • Non-governmental organization • 1994 ISO TC 211 Geographic information/geomatics • http://www.isotc211.org/
Organization - process • ISO • Technical committee (TC) for particular domain • Working group (WG) for particular group of standards • Project team (PT) for particular standard • Stages • Proposal (NWIP = New Work Item Proposal) -> TC • Preparatory stage (WD = working draft) -> WG • Committee stage (CD = committee draft) -> TC • Enquiry stage (FDIS = (final) draft international standard) • Approval stage -> TC & all ISO member bodies: final Yes/No • Publication stage (IS = international standard)
OGC • Open Geospatial consortium • Founded 1994 • Industry consortium • Implementation specifications • For instance: WMS, WFS, GML, • http://www.opengeospatial.org/
CEN • CEN organization 1961 • TC 287 (Geographic information) • Founded 1991 • Revival in 2004 • Adoption of ISO standards • www.gistandards.eu
Used specifications • OGC web-site (nog
Standards for SDI • Meta-data • Spatial data reference models • Services
Meta-data • ISO 19115 (formal description) • ISO 19139 (technical implementation) • Catalog service (CAT) • Meta-data about services (ISO 19119 )
Spatial data reference models • ISO 19101 (reference model) • ISO 19107 (Spatial schema) • ISO 19108 (Temporal schema) • ISO 19109 (Application schema) • ISO 19111 (Spatial referencing by coordinates) • ISO 19112 (Spatial referencing by geographic identifiers)
Services • Web map service • Web feature service • Web coverage service
If we were in the pizza business… Cheese Service Tomato Service Flour Service Pizza Service Credit to
But we are in the geospatial business Mapping service Sensor service Image service Geo spatial service Credit to
INSPIRE- Implementing Rules (IR) • IR for the creation and updating of metadata • IR for monitoring and reporting • IR for discovery and view services • IR for download services • IR for coordinates transformation service • IR governing the access rights of use to spatial data sets and services for Community institutions and bodies • IRs for the interoperability and harmonization of spatial data sets and services for Annex I spatial data themes
INSPIRE • http://geostandards.geonovum.nl • http://inspire.jrc.ec.europa.eu/
Questions Thank you for your attention!