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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 : [email protected] The main objects. Reduce the burden of data-reporting in the municipalities

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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 : [email protected]

the main objects
The main objects
  • Reduce the burden of data-reporting in the municipalities
  • Increase the quality of the data
relevant data
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, ..
    • ---
today s problems
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
the ideal world of data catching
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)
slide6

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

work plan 2006
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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