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Data - catching by means of WFS

Data - catching by means of WFS. Project on sketch stage. Marianne Vik Dysterud Adviser Statistics Norway Oterveien N-2225 Kongsvinger Tel : ++47 / 628 85 311 Fax : ++47 / 628 85 030 E-mail : MVD@SSB.NO. The main objects. Reduce the burden of data-reporting in the municipalities

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Data - catching by means of WFS

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  1. Data-catching by means of WFS Project on sketch stage Marianne Vik Dysterud Adviser Statistics Norway Oterveien N-2225 Kongsvinger Tel : ++47 / 628 85 311 Fax : ++47 / 628 85 030 E-mail : MVD@SSB.NO

  2. The main objects • Reduce the burden of data-reporting in the municipalities • Increase the quality of the data

  3. Relevant data • Geo-referenced data that municipalities are obliged to report to Statistics Norway once a year • Examples • length of footpaths and bikeways established within urban agglomerations last year • different kinds of green areas • sewerage systems, pipes, .., length, age, types of material, .. • ---

  4. Today’s problems • Un-standardized • data storage • data format • Some municipalities don’t have GIS • The municipalities officers in charge understand the questions different • ex. within/outside urban agglomerations • Impossible to know the quality of data

  5. The ”ideal world” of data-catching • Standard formats • Open systems, platform independency • WFS – Web Feature Service (or Server) • The Web Feature Server (WFS) is an interface allowing requests for geographical features across the web being highly interoperable. It uses the XML-based GML for data exchange • The basic Web Feature Service allows querying and retrieval of features (http)

  6. National Mapping Authority The Directorate of Public Roads WFS Query WFS Retrieval GML SSB geo-DB ArcSDE Manual work Automated routines for querying and retrieval of data in SSB ssb.no online schema WFS WFS WFS WFS WFS 1 2 n (n + 1), m, .. q, r, .. x y Mun i c i p a l i t i e s

  7. Work plan- 2006 • Establish a simple WFS for points in The National Mapping Authority • Contact one or two vendors of GIS for implementing WFS • Create receiving routines for transforming GML to ArcSDE

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