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Spatial Statistics in the National Geoportal
2016 Visualisation Workshop Marja Tammilehto-Luode
Presentation outline
• Introduction to the national geoportal • Statistics in the national geoportal • Oskari platform – Open Source applications • Spatial Analysis tools • Demo • Conclusions – Future challenges
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Paikkatietoikkuna – the National Geoportal in Finland
• MAP WINDOW – Standard view services (WMS) and standard web feature services (WFS) for browsing and analysing data
• GEODATA SEARCH - Metadata service
• Maintenance by the National Land Survey of Finland • More than 2,000 datasets from more than 50 organisations –
accessible via the National Geoportal interface • The data are on data providers’ own servers but published by the
interface (e.g. Geoserver) via the National Geoportal • All services are based on open source code applications • All data are free-of-charge
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Search for map layer
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Search for metadata
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Statistics in the national geoportal
• Inspired by the Inspire directive • Fixed contents of spatial statistics (WMS-, WFS-formats)
• Population distribution - by 1 km x 1 km grids and 5 km x 5 km grids - by municipality-based statistical units
• Municipality-based statistical units • Educational institutions • Production and Industrial Facilities • In addition: e.g. Road Traffic Accidents,
PAAVO – Open data by postal code areas (1/2015-) • Metadata • Statistics Finland’s website:
• http://www.stat.fi/tup/rajapintapalvelut/inspire_aineistot_en.html
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Oskari platform Open source applications
• Created and maintained by the National Land Survey • Built on standard Open Source components (OpenLayers,
Geotools, Geoserver…) • Promotes extension of functionalities in a coordinated manner –
integration of applications • Open Source - MIT/EUPL dual licensing • Guidelines, source code and all the content on the Developer
Web Site • Oskari network (more than 30 user organisations in Finland),
management group, integrator (e.g. responsible for maintaining the Developer Web Site)
• The National Geoportal is an implementation of using the Oskari platform
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Spatial analysis tools on the National Geoportal
Developed by the joint project (NSI/NMA)
Joint project between the NSI and NMA ”Spatial Statistics on Web”
• Collaborative project between Statistics Finland and the National Land Survey of Finland
• To improve the services of the national geoportal from the scope of statistics
• To gain experiences about open source web applications • Focus on analysis tools for grid-based data • Used Agile methods with user stories
• Funded by a Eurostat grant (2014-2015)
• Learning from each other – promoting cooperation between the
NSI and NMA
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Interface of spatial analysis tools
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Demo
Spatial analysis tools
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One can export the results of analysis
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One can create an ”embedded map”
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…and publish it on his/her own website
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Conclusions
Future challenges
Conclusions
• Inspiring cooperation between the NSI and NMA • Beneficial to both participants
• Use of data in the geoportal is monitored by Inspire standards • Open source application on the web feasible
• Further development is promising • Components reusable and available for everyone
• Cooperation with other Oskari platform users • Oskari platform for Statistics Finland? Or only embedded maps
on our website?
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Use of Statistics Finland’s interface service in 2014 and 2015 Data Interface
services Number of service requests in 2014
Number of service requests in 2015
Municipality-based statistical units WMS 1 216 214 1 078 667
WFS 750 284 541 922
Population by municipality-based units WMS 2 173 573 2 293 749
WFS 180 770 177 294
Population grid data 1 km x 1 km WMS 2 161 671 2 790 683
WFS 575 034 578 086
Educational institutes WMS 707 138 606 533
WFS 214 543 256 890
Production and industrial facilities WMS 1 528 890 668 372
WFS 147 837 172 430
Statistical data combined with map data by postal code
WMS 1 776 656
WFS 233 814
WMS WebMapService WFS WebFeatureService ATOM feed
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Future challenges
• Small area statistics - Open data/Restricted used data/Charged data
• Innovative analysis tools – easy-to-use tools • Sophisticated methods to handle confidential data on the fly • Spatial statistics portal as further development of the Oskari
platform including thematic mapping, charts and diagrams? • Standards for interoperable spatial statistics and geospatial
information
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