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WMS and statistics on gridsWMS and statistics on grids

Introduction of WMS in Statistics NorwayIntroduction of WMS in Statistics Norway

Marianne Vik Dysterud

Statistics Norway

mvd@ssb.no

European Forum for Geo-Statistics, The Hague 5 - 7 October 2009

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Norwegian Mapping

andCadastreAuthority

FIREWALL

Geodatabase

Statisticalbase

registers Statistics

Statistics N

orway

ArcGIS coverages,shape files

etc.

WMS ssb.no

Statbank

ExternalWMS/WFSproviders

LocalCadastre

Copy

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Overview of the presentation

• Background

• The first WMS in Statistics Norway

• Challenges and experiences

• Tentative plans for a Web Application using WMS

• Questions and Discussion

• ?

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Background

• Partnership in Norway Digital

– Obligations

– Possibilities

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The first WMS in Statistics Norway- supported requests

• GetCapabilities

• GetMap

• GetLegendGraphic

• GetFeatureInfo

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The first WMS in Statistics Norway- example of use

GetCapabilities

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The first WMS in Statistics Norway- example of use

GetMap

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The first WMS in Statistics Norway- example of use

GetLegendGraphic

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• GetFeatureInfo

The first WMS in Statistics Norway- example of use

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The first WMS in Statistics Norway- the WMS called from a uDIG Application

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Challenges and experiences

• Limited skills on building WMS in Statistics Norway

• MapServer - (MS4W)– Differences according to operating system

• Maintenance of file/catalogue structures (no Geo DataBase yet)

• Generic code ?

• Tuning – Build index on shape files– Limit number of supported projections

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Tentative plans for a Web Application using WMS

Statistics Norway GEO-

DATABASE STATBANK

Select region

Select data Layer 1 Layer 2

…

Layer N

WMS

E x t e r n

a l d a t a p

r o v i d e r s

WMS

WMS

WMS

WMS

Mclka Amkak Ølamkm Mmkamk Amkm Orgi

Download data

Export map

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QuestionsQuestions and discussion

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Any co-operation potential ?