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Geostatistics Portal A platform for census data visualization
Mirosław Migacz Chief GIS Specialist
Central Statistical Office of Poland [email protected]
www.linkedin.com/in/migacz
INSPIRE Conference 2013: The Green Rennaisance Florence, June 26th 2013
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• About the project • Functionalities and layout • Cartographic presentation methods • INSPIRE services
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Agenda
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GEOSTATISTICS PORTAL
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GEO.STAT.GOV.PL LAUNCHING JUNE 2013 with:
• CHOROPLETH MAPS WITH AGRICULTURAL CENSUS 2010 RESULTS
• INSPIRE SERVICES FOR STATISTICAL UNITS
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Plans for the rest of the year 2013
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• diagram maps with Agricultural Census 2010 results • choropleth maps with Population and Housing Census 2011
resuts • diagram maps with Population and Housing Census 2011
resuts • INSPIRE services for Population Distribution (Demography)
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FUNCTIONALITIES AND LAYOUT
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Geostatistics Portal functionalities
GEOSTATISTICS PORTAL
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geovisualization of census’ results • Agricultural Census 2010 • Population and Housing Census 2011
publishing spatial data maintained within official statistics • statistical regions • census areas
publishing INSPIRE services for two annex III themes • statistical units • population distribution (demography)
advanced spatial analyses on microdata • for authorised users within official statistics
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Geovisualisation of census results
All statistical data georeferenced to a point
Agricultural Census 2010
• Census data collected with spatial reference to: • agricultural holding location • holder’s dwelling location
Population and Housing Census 2011 • Census data collected with spatial
reference to: • dwelling location
GEOSTATISTICS PORTAL
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LOCATION
Land Parcel Identification
System
Statistical address points
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Census data storage and use
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Municipality (LAU2)
County (LAU1)
Subregion (NUTS3)
Voivodeship (NUTS2)
Region (NUTS1) • Geostatistics Portal database stores census’ results aggregated to units of territorial division (down to LAU2)
• For each thematic phenomena absolute (non-standarized) values are stored
• Not all data stored in the Portal is published for unauthorized users due to statistical data confidentiality issues
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Default view
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Statistical division
GEOSTATISTICS PORTAL
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Object identification
GEOSTATISTICS PORTAL
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Line based selection and buffering
GEOSTATISTICS PORTAL
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Line based buffering
GEOSTATISTICS PORTAL
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Polygon based buffering
GEOSTATISTICS PORTAL
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CARTOGRAPHIC PRESENTATION METHODS
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Cartographic presentation methods
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• choropleth maps • diagram maps
– circle • proportional, • structural, • proportional & structural,
– bar • proportional, • structural, • proportional & structural,
– complex
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Diagram map
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A cartographic presentation method for visualisation of absolute data. Since absolute data are stored in the Geostatistics Portal database, they can be directly visualised on diagram maps.
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Choropleth map
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A cartographic presentation method for visualisation of standarized data – statistical indicators. Geostatistics Portal stores a set of normalization attributes, which allow on-the-fly calculation of statistical indicators to be presented on choropleth maps.
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User defined parameters for choropleth maps
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THEMATIC PHENOMENA LIST
STATISTICAL INDICATORS
AGGREGATION LEVEL
NUMBER OF CLASSES
CLASSES CALCULATION METHODS
COLOR SCALE
TRANSPARENCY
LABELS AND BORDERS VISIBILITY
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Choropleth map
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Percentage of holdings that keep 1 sow within all holdings in a voivodeship (NUTS2)
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Diagram map (circle, proportional)
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Crop area in each subregion (NUTS3)
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Diagram map (bar, proportional)
GEOSTATISTICS PORTAL
22 Grain crops area in each subregion (NUTS3)
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Diagram map (circle, structural)
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Structure of cultivation areas of 5 basic grains in each voivodeship (NUTS2)
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Diagram map (circle, proportional & structural)
GEOSTATISTICS PORTAL
24 Structure and combined area of root and fodder plants cultivation in
voivodeships (NUTS2)
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Diagram map (bar, structural)
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Structure and cultivation areas for various fodder crops in voivodeships (NUTS2)
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Diagram map (bar, proportional & structural)
GEOSTATISTICS PORTAL
26 Structure and combined value of seed crops in voivodeships (NUTS2)
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Diagram map (complex)
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- Number of holdings with gardens - Number of holdings with plowed grounds - Number of holdings with permanent cultivation
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Bar chart
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INSPIRE SERVICES
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Spatial data themes
GEOSTATISTICS PORTAL
Central Statistical Office of Poland is the authority responsible for two annex III spatial data themes:
statistical units SU
population distribution (demography) PD
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INSPIRE deadlines
3 XII 2013 • Discovery services • View services • Download services (datasets don’t have to be compliant with
data specifications) • Metadata for data sets and services
OCTOBER 2020 • Compliance with data specifications needs to be achieved
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INSPIRE services in the Geostatistics Portal
• discovery service – running, • view service:
– statistical units – running, – population distribution (demography) – 3rd quarter 2013,
• download service: – statistical units – running, compliant with the data specification, – population distribution (demography) – 3rd quarter 2013, will be
compliant with the data specification,
• metadata – published for existing data sets and services.
GEOSTATISTICS PORTAL
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Discovery Service
• metadata search engine in the Geostatistics Portal
• discovery service running – compliant with OGC CSW 2.0.2. specification
GEOSTATISTICS PORTAL
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View Service – Statistical Units • view service running for statistical units – compliant with OGC
WMS 1.3.0. specification, • object visualization compliant with the data specification, • a national statistical units style implemented
(SU.VectorStatisticalUnits.Krajowy)
GEOSTATISTICS PORTAL
default style SU.VectorStatisticalUnits.Krajowy
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Download Service – Statistical Units • download service for statistical units running as predefined
dataset download service (compliant with Technical Guidance for the implementation of INSPIRE Download Services 3.0),
• service is running on Atom 1.0 and OpenSearch 1.1., • statistical units data set divided into 16 GML files – one for
each voivodeship, • data sets are compliant with the data specification for
statistical units.
http://geo.stat.gov.pl//atom_web-0.0.1/atom/JednostkiStatystyczne
GEOSTATISTICS PORTAL
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SUMMARY
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Geostatistics Portal – benefits
• access to a huge amount of data on agriculture and demography
• a variety of cartography presentation methods • spatial analysis tools • INSPIRE compliant services • in the future:
– geovisualization platform for results of surveys other than the census – geovisualization of data banks maintained by official statistics
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Geostatistics Portal A platform for census data visualization
Mirosław Migacz Chief GIS Specialist
Central Statistical Office of Poland [email protected]
www.linkedin.com/in/migacz
Thank you for your attention