European Forum for GeoStatistics 2009 Netherlands, The Hague Francisco Caldeira Instituto Nacional de Estatística GeoInformation Unit Strategies for Geographical information Web dissemination in the Statistics Portugal Portal

European Forum for GeoStatistics 2009 Netherlands, The Hague 2 Topics 1.Portuguese Small statistical areas 2.Geographical information in the statistical Portal 3.MapServices experience

European Forum for GeoStatistics 2009 Netherlands, The Hague 3 1.Portuguese Small statistical areas

European Forum for GeoStatistics 2009 Netherlands, The Hague 4 Small statistical areas Census 2001 Geographical information Administrative levels –District –Municipality –Parish Statistical levels –Secção –Subsecção District Municipality Parish

European Forum for GeoStatistics 2009 Netherlands, The Hague 5 SECÇÃO ESTATÍSTICA continuous area of a single parish households Two levels of small statistical areas – Division of parish Secções and Subsecções Estatísticas SUBSECÇÃO ESTATÍSTICA The smallest homogeneous area for construction or not, within the secção: Small Statistical areas – Census – blocks in urban areas – all or part of a village in rural areas – Residual areas

European Forum for GeoStatistics 2009 Netherlands, The Hague 6 Small statistical areas

European Forum for GeoStatistics 2009 Netherlands, The Hague 7 Small statistical areas Urban area Lisbon downtown

European Forum for GeoStatistics 2009 Netherlands, The Hague 8 Small statistical areas examples Rural area

European Forum for GeoStatistics 2009 Netherlands, The Hague 9 The evolution of the small statistical areas through the census CensusNumber of Small areas Secções Number of Small areas Subsecções 100% Portugal Digital formal Street centerline Buildings 1981? Major cities ? Major cities No Yes No Yes Yes – With some street names Partial – ~ Yes Yes, with street names, door numbers and postal code Yes – ~

European Forum for GeoStatistics 2009 Netherlands, The Hague 10 Buildings On the census 2001 for the NUTS II of Alentejo* the enumerators marked on the census maps the position and code number of the buildings About buildings were identified in 2001 The 2011 Census will identify about and cover 100% of the country *1/3 of the Portugal surface Small statistical areas

European Forum for GeoStatistics 2009 Netherlands, The Hague census map Small statistical areas

European Forum for GeoStatistics 2009 Netherlands, The Hague Census Buildings for the city of Évora Small statistical areas

European Forum for GeoStatistics 2009 Netherlands, The Hague 13 Population Grid (1 Km) Small statistical areas

European Forum for GeoStatistics 2009 Netherlands, The Hague 14 Small statistical areas Census 2001 Geographical information Several large collections of: –Images More than images –Municipality maps 1:1 000, up to 1:5 000 scales –Army topographic maps 1: scale

European Forum for GeoStatistics 2009 Netherlands, The Hague 15 Small statistical areas Census 2001 Geographical information – The challenge –How to publish this data on the web? –Is there anyway to link GIS and the statistical indicators database to produce thematic maps? –What is the more efficient way for downloading the geographic information?

European Forum for GeoStatistics 2009 Netherlands, The Hague Geographical information in the statistical Portal

European Forum for GeoStatistics 2009 Netherlands, The Hague 17 Geographical information in the statistical Portal About the Portal ( in production in June 2007) Web application that Focus on the user needs of statistical information Access to information is universal, free and without registration needed Among the tools available on the website stands out the statistical database, a dynamic database that supports more than a thousand indicators, and its on permanent updating

European Forum for GeoStatistics 2009 Netherlands, The Hague 18 Geographical information in the statistical Portal About the Portal ( in production in June 2007) Change tables, save and export Metadata on-line Surveys Subscribe RSS * to receive alerts and updates on data … And of course MAPS * Really simple sindication

European Forum for GeoStatistics 2009 Netherlands, The Hague 19 Geographical information in the statistical Portal Census 2001 Geographical information – The Strategy Follow the K.I.S.S. rule (Keep it simple) Visualization, MapServices and point editing use ArcIms or Map Server Advanced Editing (polygons, lines), complex database operations (link the Statistical and GIS dabase) ArGisServer ApplicationTechnologyIn production? Download pageArcGis ServerNo Territorial structure Visualize all data ArcImsYes Thematic map ArcGis ServerYes SIOU – Editing pointsArcImsYes Censos 2011 Editing – Lines and polygons ArcGis ServerYes

European Forum for GeoStatistics 2009 Netherlands, The Hague 20 Geographical information in the statistical Portal Visualization page Territorial Structure –Major goal -> Browse ALL the data –Includes some statistical information Make a selection or Identify the population, number of families and households for each layer and export it to xls excel format Technology –ArcIms –In production –

European Forum for GeoStatistics 2009 Netherlands, The Hague 21 Visualization page

European Forum for GeoStatistics 2009 Netherlands, The Hague 22 Geographical information in the statistical Portal Thematic Map page Thematic Maps –Major goal -> Produce thematic maps with the statistical indicators of the portal –The portal identifies if a Statistical indicator has a spatial representation. –The ArcGisServer application creates the map on- the-fly –Some features: The user can customize the maps, i.e. change the number of classes, colors, the calculation method, breakdown the level

European Forum for GeoStatistics 2009 Netherlands, The Hague 23 Geographical information in the statistical Portal Thematic Map page Linking the GIS and the Statistical databases –The application receives from the portal a set of parameters that include Statistical indicator code, time reference and spatial reference – _DIM_1=S7A2007&NIVEL=3&LINGUA=EN –with the parameters a search is carried out to the Statistical database –Perform a virtual join on the geographical layer with the result of the search

European Forum for GeoStatistics 2009 Netherlands, The Hague 24 Geographical information in the statistical Portal Thematic Map page Technology –ArcGisServer –In production –

European Forum for GeoStatistics 2009 Netherlands, The Hague 25 Geographical information in the statistical Portal Download page Download Page –Major goal -> Allow the download of subsecções –Not a simple download link Most of the requests are for small areas like district, parish – To avoid unnecessary traffic the user could select on the map what he wants or make a selection by attributes Technology –ArcGisServer –Format -> Zipped shapefile including metadata –Not in production

European Forum for GeoStatistics 2009 Netherlands, The Hague 26 Geographical information in the statistical Portal Donwload page

European Forum for GeoStatistics 2009 Netherlands, The Hague 27 3.Map Services experience

European Forum for GeoStatistics 2009 Netherlands, The Hague 28 Map Services Definition A web map service is a standard protocol for serving georeferenced map images over the Internet or LAN that are generated by a map server using data from a GIS database On the client side, these services can be used to access maps and GIS data through internet via desktop GIS or and application

European Forum for GeoStatistics 2009 Netherlands, The Hague 29 Map Services Definition

European Forum for GeoStatistics 2009 Netherlands, The Hague 30 Map Services Advantages of Map services Security –The user only has access to a snapshot of the data Performance –Delivering a small image (size on disk), they are fast and easy to use… Visualization of the data –The map service enables the access to the content of a map document – Defines symbology, scale ranges … –Can be easily used or view in a Web Application, or desktop GIS including most of the open source Gis applications

European Forum for GeoStatistics 2009 Netherlands, The Hague 31 MapServices Users UserTypeGoalsConsumed by DGITA - Ministry of Finance ArcIms Image Create and update Municipal Tax using Subsecções Estatísticas ArcGis Server DGS - National Health Service ArcIms Image Studies on disease outbreak and dissemination INFLUENZA A (H1N1) ArcMap DGV – National Veterinary Service ArcIms Image Studies on disease outbreak and dissemination (Bird Flu) ArcMap GCS - Internal Security Service ArcIms Image Relocate the police squads Security on the Euro 2004 ArcMap AICEP - Agency for developing the international expansion of Portuguese companies ArcIms Image Uses Statistical indicators among other information to find possible best locations ArcGisServer

European Forum for GeoStatistics 2009 Netherlands, The Hague 32 MapServices AICEP Agency for developing the international expansion of Portuguese companies

European Forum for GeoStatistics 2009 Netherlands, The Hague 33 Thank you