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Plan4all Dissemination - Georama at PCI 2010 Greece






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Plan4all Dissemination - Georama at PCI 2010 Greece Plan4all Dissemination - Georama at PCI 2010 Greece Presentation Transcript

  • UNIVERSITY OF PATRAS COMPUTER ENGINEERING & INFORMATICS DEPARTMENT GEORAMA Interoperability and Design Issues of Spatial Data and Geographic Information Systems in Greece Evangelos Sakkopoulos PhD Authors Mersini Paschou, MSc Evangelos Sakkopoulos, PhD Efrosini Sourla, MSc Athanasios Tsakalidis, Prof Giannis Tzimas, PhD This work was supported by “Plan4All - European Network of Best Practices for Interoperability of Spatial Planning Information”, which is co-funded by the Community programme eContentplus.
  • Contents Situation in Europe The SDI situation in Greece The INSPIRE Initiative The Plan4all Approach Requirements for SDI Interoperability Interoperability for design and development of web GIS systems 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • Introduction European Cities face major challenges concerning urban land use There are differences in legislations concerning SDI in Europe (even within one country) The lack of interoperability specifications in European SDIs causes: Fragmentation problems Gaps in availability Lack of harmonization between datasets Loss of time and resources Solution: INSPIRE Directive (framework for spatial information) WebGIS systems 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • SDI Situation in Greece (1/2) National Level No wide scale, digital SDI, only partial data (maps before 1983) National Cadastre (ongoing project by HEMCO) Regional/Prefecture Level Most Greek Prefectures don’t have their own digital SDI Local Level Some municipalities have recently acquired WebGIS services (Patras WebGIS) Maps for urban planning, land use, distribution networks Thematic maps 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • SDI Situation in Greece (2/2) Currently, municipalities are the most important level, until the National Cadastre is completed. Where online information is available, it is only possible to download the pdf or raster files of the municipal land use plans. 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • Analyzing the Greek SDI Conclusions: Large number of duplicate recordings of same or similar data Information gaps among public bodies, regarding scale and geographical coverage. Much data for which there exists no information or the existing information is limited. The data stored aren’t updated. No public body to maintain information at different. Medley of standards and procedures regarding the technical requirements (even between different data sets of the same body). 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • The INSPIRE Directive Establishing an Infrastructure for Spatial Information in the European Community The SDI is defined as the "...metadata, spatial data sets, spatial data services; network services and technologies; agreements on sharing, access and use; coordination and monitoring mechanisms, process and procedures, established, operated or made available in accordance with this Directive". The Directive does not require collection of new spatial data and does not establish new infrastructures. Interoperability in INSPIRE Directive Combination of spatial datasets Interaction of services without manual intervention Coherent results Enhanced added value 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • PLAN4ALL Focused on the harmonization of SDIs based on: existing best practices in EU regions and municipalities results of current research projects. implementing the INSPIRE Directive into spatial planning processes Aims at: networking standards of spatial planning data, based on previously collected and analysed experiences defining common procedures and methodologies for spatial data sharing utilisation of new pan-European standards for spatial planning data within the EU. Expected results: European forums for SDI a common accessible database analysis in terms of organisation, sharing, and harmonisation SDI recommendations for spatial data. 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • Compare GIS Systems Discovery Services = View and downloading services = WMS & Type Catalogue WFS UMN Mapserver, GeoServer, Open Source Geonetwork GeoHosting (extension of Mapserver), deegree Micka, terracataloge, ArcSDE, ArcGIS Server / ArcIMS, Commercial solution Geoportal Extension (ESRI) GeoMediaWebMap http://www.osgeo.org/ http://en.wikipedia.org/wiki/Comparison_of_geographic_information_sy stems_software PCI 2010: Sakkopoulos Evangelos
  • GIS System View and downloading services = WMS, WFS Discovery services = compliant with the OGC specifications for querying and retrieving information from Web catalogues (CSW). GeoServer – http://georama.org.gr/geoserver/ GeoNetwork – http://georama.org.gr/geonetwork/ we are currently publishing sample data PCI 2010: Sakkopoulos Evangelos
  • Technological Architecture Internal DMZ Services Internet WMS Users ArcGis SHP WFS Portal Plan4all Firewall CSW GeoServer & GeoNetwork Users Metadata WCS Web Server XML External WMS PCI 2010: Sakkopoulos Evangelos
  • GeoServer WMS Preview PCI 2010: Sakkopoulos Evangelos
  • ArcGIS Explorer using WMS PCI 2010: Sakkopoulos Evangelos
  • Δημόζια, Ανοικηά Δεδομένα geodata.gov.gr Δλληνική Σηαηιζηική Αρτή (17/- ) Κοινωνία ηης Πληροθορίας Α.Δ. (2/- ) Οργανιζμός Κηημαηολογίοσ και Χαρηογραθήζεων Δλλάδας (6/- ) Υποσργείο Δζωηερικών, Αποκένηρωζης & Ηλεκηρονικής Γιακσβέρνηζης (2/- ) Υποσργείο Παιδείας, Για Βίοσ Μάθηζης και Θρηζκεσμάηων (1/- ) Υποσργείο Περιβάλλονηος, Δνέργειας και Κλιμαηικής Αλλαγής (9/- ) Υποσργείο Προζηαζίας ηοσ Πολίηη (7/- ) Αναπηύτθηκε απο ηο ΙΠΣΥΠ/ΔΚ "Αθηνά" ζε ζσνεργαζία με ηον ΟΚΧΔ και ηην Ομάδα Ηλεκηρονικής Γιακσβέρνηζης ηοσ Γραθείοσ ηοσ Πρωθσποσργού PCI 2010: Sakkopoulos Evangelos
  • Plan4all geoportal The Plan4all geoportal: provides the means to search for spatial data sets and spatial data services with regard to spatial planning. allows the user to view and download spatial data sets (subject to access restrictions) and related metadata. This version is a prototype Plan4all geoportal and allows discovery and viewing of spatial data sets and services. The prototype Plan4all geoportal currently accesses a limited number of discovery and view services. The Plan4all geoportal is accessible at: http://portal.plan4all.eu/ PCI 2010: Sakkopoulos Evangelos
  • http://portal.plan4all.eu/catalogue/ PCI 2010: Sakkopoulos Evangelos
  • Harmonization of Greece with the Specifications of INSPIRE Components adopted by INSPIRE: Rules of Conceptual Schemas and Entity Catalogues Spatial and Time characteristics Multiple Language Support and Interculturalism The Geodetic Reference System and Measurement Units Catalogues and Registries Data Updates, Data Quality, Data Transfer, Ways of data collection In Greece… Public bodies have incomplete or non-existent data for most of the above components. Some work has been done regarding Geodetic Reference System and Measurement Units. Cadastre S.A. has almost completed Data Transfer and so has done HMGS regarding Rules of Conceptual Schemas and Entity Catalogues. 16/11/2010 PCI 2010: Sakkopoulos Evangelos
  • Conclusion The situation in Greece as far as digitized spatial planning is concerned is in its early stages. The complexity and diversity of spatial planning stems from the fact that the input used comes from many various sources. The current situation involves different authorities, responsible for part of the topics which are relevant to spatial planning. As a result, processes related to data in the particular domain are characterized by great diversity. In order to perform an analysis which will give usable results, the available sources need to be combined. Big Challenge in spatial data infrastructure: take into account all the available inputs and thus ensure effectiveness and harmonization. Interoperability has to be ensured high quality results will allow input to be processed automatically users will be able to search, view and retrieve data or relevant available services PCI 2010: Sakkopoulos Evangelos
  • Future steps Development of the technical components of the INSPIRE Geo-portal at European Union level. The geo-portal shall provide the means to search for spatial data sets and spatial data services, and subject to access restrictions, view and download spatial data sets from the EU Member States. 1. Design and implement a Web-based geo-portal that: provides a specific entry point to and offering client access functionality to Inspire network services from the EU Member States with a focus on discovery and view services, goes beyond the traditional SDI (spatial data infrastructure) portal concept (as e.g. implemented in the current geo-portal prototype) and provides users with a user-friendly interface for an enhanced experience allowing them to easily find and access spatial data and services, 2. The implementation of GEneral Multilingual Environmental Thesaurus and INSPIRE registries. Examples of these services are registries (e.g. code list registries, coordinate reference system registries), thesauri (GEMET), gazetteers. PCI 2010: Sakkopoulos Evangelos