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Accessing and using cadastral maps through the Hellenic
Cadastre INSPIRE Geoportal
Panos Lolonis
Surveying Engineer-Geographer, Ph.D.
Head of the Geospatial Information Department
HELLENIC CADASTRE
288 Mesogion Ave.
155 62 Cholargos – Athens
Tel. +30 (210) 6505-636
e-mail: plolonis@ktimatologio.gr
The INSPIRE Geoportal of the Hellenic Cadastre
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Home page of the INSPIRE Geoportal of the Hellenic Cadastre
(https://www.ktimanet.gr/geoportal/catalog/main/home.page)
The INSPIRE Geoportal of the Hellenic Cadastre
Development of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Goals:
• To disseminate data possessed by
the Hellenic Cadastre to the public.
• Satisfy the requirements specified
by the Directive 2007/2/EC
(INSPIRE) about cadastral
parcels.
Development and operation
• The project was part of a larger EU co-
financed project
• Procurement took place during:
10/2018-06/2019
• Development started on July 2019
• Completion took place on January
2020
• Operation for the public started on
September 2020
• Budget: 24.800 Euros
Web page showing the Geoportal’s layout for searching for datasets
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
o Users may submit
queries and discover
datasets that are
available at the
Hellenic Cadastre
INSPIRE Geoportal
o Each entry in the list is
marked with a symbol
that shows the function
associated with that
entry (downloading,
viewing, available
offline …)
Web page of the INSPIRE Geoportal showing the results of the search about
cadastral parcels
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
• Browsing
o By content type
o Applications
o Geographic services
o Offline services
o …
o ISO Topic Category
o Admin.&Pol.
Boundaries
o Cadastral
o Elevation
o Imagery…
o INSPIRE Data Theme
o Addresses
o Cadastral parcels
o Elevation…
The browsing function. Available datasets are classified by “content type”,
“ISO topic” and INSPIRE data theme”
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
• Browsing
• Viewing (map projection)
The viewing function: the cadastral map of the port of Mykonos
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
• Browsing
• Viewing (map projection)
• Access and use of the data
through wms and wfs
services
The cadastral map of a coastal area in Greece as it is accessed through
wfs services
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
• Browsing
• Viewing (map projection)
• Access and use of the data
through wms and wfs
services
• Download services
The INSPIRE Geoportal page for downloading cadastral parcels
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
• Browsing
• Viewing (map projection)
• Access and use of the data
through wms and wfs
services
• Download services
• Documentation
(metadata)
Indicative excerpt of the metadata about the 1m color orthophotos
of the country
The INSPIRE Geoportal of the Hellenic Cadastre
Functions and services of the Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Functions
• Search for data sets
• Browsing
• Viewing (map projection)
• Access and use of the data
through wms and wfs
services
• Download services
• Documentation
(metadata)
• Auxiliary
Areas of the country in which cadastre is in full operation (green areas)
The INSPIRE Geoportal of the Hellenic Cadastre
Additional data sets served by the INSPIRE Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
• Coordinate reference system (GGRS ’87, TM projection)
• Geographical grid system (1:2.500 tile distribution)
• Orthophotos, GSD 1m, B&W, countrywide 1945 (viewing)
• Orthophotos, GSD 0,20m, color, urban centers, 2007-2009,
(viewing)
• Orthophotos, GSD 0,50m, color, countrywide, 2007-2009,
(viewing)
• Orthophotos GSD 0,25m, color, 2014-2015, countrywide,
(offline)
• Orthophotos GSD 0,50m, color, 2014-2015, countrywide
(viewing)
• Orthophotos GSD 1,0 m, color, 2014-2015, countrywide
(offline)
• DSM, 0,80 m, urban areas, 2007-2009, (offline)
• DEM, 5m countrywide, 2007-2009 (offline)
• DEM, 2 m countrywide 2014-2015 (offline)
• DEM, 25 m countrywide 2014-2015 (offline)
• Municipality boundaries, countrywide (full functionality)
• Cadastral sectors and sections (full functionality)
• Ratified forest maps (full functionality, but no data yet)
• …
Digital Elevation Model (1m GSD, 2014-2015)
The INSPIRE Geoportal of the Hellenic Cadastre
Use of the INSPIRE Geoportal
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
WMS connections of the INSPIRE Geoportal during the period Oct. 2020 through Sept. 2021
(connections per day)
The INSPIRE Geoportal of the Hellenic Cadastre
Future plans
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
Enrich the Geoportal with additional
datasets
• Thematic attributes of cadastral
parcels (addresses, land uses…)
• Imagery (consent by Defense Min.)
• Elevation data (consent by Def. Min.)
• Protected sites (forest maps)
• Administrative boundaries
• Geographical names
• Land uses
• Addresses
• Buildings
• Hydrography
The Hellenic Cadastre has the
potential to contribute to 14 out of the
34 main INSPIRE Data Themes.
INSPIRE Data Themes (Annexes I και ΙΙ) (https://inspire-
geoportal.ec.europa.eu/theme_selection.html?view=qsTheme)
Summary and conclusions
Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01-
2022
The INSPIRE Geoportal of the Hellenic
Cadastre comprises a first step towards
unleashing countrywide geospatial data in
Greece.
The beginning was made by delivering
cadastral map data and providing the full
range of services specified by the INSPIRE
Directive
The intention is to enrich further the
Geoportal by adding new data sets
(primarily data described in the INSPIRE’s
Annexes I and II)
The ultimate goal is to ensure that society
takes full advantage of the data and
services that exist in the Hellenic Cadastre.
Cadastral map of a coastal area as it is depicted in the
INSPIRE Geoportal of the Hellenic Cadastre
Acknowledgements
This presentation has been benefited from several colleagues in the Hellenic Cadastre. Particular
attributions are due to Mr. Emmanuel Papoutsakis, Head of the Georinfomration Division, and Mrs.
Hara-Maria Papadakis, a geoinformation specialist in that Division, who have contributed substantially
in the development of the Geoportal and are in charge of its operation and maintenance. The Geoportal
was developed by GeoSet Ltd (Holargos, Greece) through a contract that was procured to it. The
financing of the development was made through EU OP EPAnEK 2014-2020. The views presented here
represent the author and don’t necessarily reflect the official views of the “Hellenic Cadastre”.

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Lolonis P 2022 Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal, Eurogeographics Webinar Jan 20 2022.pdf

  • 1. Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal Panos Lolonis Surveying Engineer-Geographer, Ph.D. Head of the Geospatial Information Department HELLENIC CADASTRE 288 Mesogion Ave. 155 62 Cholargos – Athens Tel. +30 (210) 6505-636 e-mail: plolonis@ktimatologio.gr
  • 2. The INSPIRE Geoportal of the Hellenic Cadastre Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Home page of the INSPIRE Geoportal of the Hellenic Cadastre (https://www.ktimanet.gr/geoportal/catalog/main/home.page)
  • 3. The INSPIRE Geoportal of the Hellenic Cadastre Development of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Goals: • To disseminate data possessed by the Hellenic Cadastre to the public. • Satisfy the requirements specified by the Directive 2007/2/EC (INSPIRE) about cadastral parcels. Development and operation • The project was part of a larger EU co- financed project • Procurement took place during: 10/2018-06/2019 • Development started on July 2019 • Completion took place on January 2020 • Operation for the public started on September 2020 • Budget: 24.800 Euros Web page showing the Geoportal’s layout for searching for datasets
  • 4. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets o Users may submit queries and discover datasets that are available at the Hellenic Cadastre INSPIRE Geoportal o Each entry in the list is marked with a symbol that shows the function associated with that entry (downloading, viewing, available offline …) Web page of the INSPIRE Geoportal showing the results of the search about cadastral parcels
  • 5. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets • Browsing o By content type o Applications o Geographic services o Offline services o … o ISO Topic Category o Admin.&Pol. Boundaries o Cadastral o Elevation o Imagery… o INSPIRE Data Theme o Addresses o Cadastral parcels o Elevation… The browsing function. Available datasets are classified by “content type”, “ISO topic” and INSPIRE data theme”
  • 6. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets • Browsing • Viewing (map projection) The viewing function: the cadastral map of the port of Mykonos
  • 7. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets • Browsing • Viewing (map projection) • Access and use of the data through wms and wfs services The cadastral map of a coastal area in Greece as it is accessed through wfs services
  • 8. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets • Browsing • Viewing (map projection) • Access and use of the data through wms and wfs services • Download services The INSPIRE Geoportal page for downloading cadastral parcels
  • 9. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets • Browsing • Viewing (map projection) • Access and use of the data through wms and wfs services • Download services • Documentation (metadata) Indicative excerpt of the metadata about the 1m color orthophotos of the country
  • 10. The INSPIRE Geoportal of the Hellenic Cadastre Functions and services of the Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Functions • Search for data sets • Browsing • Viewing (map projection) • Access and use of the data through wms and wfs services • Download services • Documentation (metadata) • Auxiliary Areas of the country in which cadastre is in full operation (green areas)
  • 11. The INSPIRE Geoportal of the Hellenic Cadastre Additional data sets served by the INSPIRE Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 • Coordinate reference system (GGRS ’87, TM projection) • Geographical grid system (1:2.500 tile distribution) • Orthophotos, GSD 1m, B&W, countrywide 1945 (viewing) • Orthophotos, GSD 0,20m, color, urban centers, 2007-2009, (viewing) • Orthophotos, GSD 0,50m, color, countrywide, 2007-2009, (viewing) • Orthophotos GSD 0,25m, color, 2014-2015, countrywide, (offline) • Orthophotos GSD 0,50m, color, 2014-2015, countrywide (viewing) • Orthophotos GSD 1,0 m, color, 2014-2015, countrywide (offline) • DSM, 0,80 m, urban areas, 2007-2009, (offline) • DEM, 5m countrywide, 2007-2009 (offline) • DEM, 2 m countrywide 2014-2015 (offline) • DEM, 25 m countrywide 2014-2015 (offline) • Municipality boundaries, countrywide (full functionality) • Cadastral sectors and sections (full functionality) • Ratified forest maps (full functionality, but no data yet) • … Digital Elevation Model (1m GSD, 2014-2015)
  • 12. The INSPIRE Geoportal of the Hellenic Cadastre Use of the INSPIRE Geoportal Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 WMS connections of the INSPIRE Geoportal during the period Oct. 2020 through Sept. 2021 (connections per day)
  • 13. The INSPIRE Geoportal of the Hellenic Cadastre Future plans Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 Enrich the Geoportal with additional datasets • Thematic attributes of cadastral parcels (addresses, land uses…) • Imagery (consent by Defense Min.) • Elevation data (consent by Def. Min.) • Protected sites (forest maps) • Administrative boundaries • Geographical names • Land uses • Addresses • Buildings • Hydrography The Hellenic Cadastre has the potential to contribute to 14 out of the 34 main INSPIRE Data Themes. INSPIRE Data Themes (Annexes I και ΙΙ) (https://inspire- geoportal.ec.europa.eu/theme_selection.html?view=qsTheme)
  • 14. Summary and conclusions Lolonis P 2022, “Accessing and using cadastral maps through the Hellenic Cadastre INSPIRE Geoportal”, Eurogeographics, 20-01- 2022 The INSPIRE Geoportal of the Hellenic Cadastre comprises a first step towards unleashing countrywide geospatial data in Greece. The beginning was made by delivering cadastral map data and providing the full range of services specified by the INSPIRE Directive The intention is to enrich further the Geoportal by adding new data sets (primarily data described in the INSPIRE’s Annexes I and II) The ultimate goal is to ensure that society takes full advantage of the data and services that exist in the Hellenic Cadastre. Cadastral map of a coastal area as it is depicted in the INSPIRE Geoportal of the Hellenic Cadastre Acknowledgements This presentation has been benefited from several colleagues in the Hellenic Cadastre. Particular attributions are due to Mr. Emmanuel Papoutsakis, Head of the Georinfomration Division, and Mrs. Hara-Maria Papadakis, a geoinformation specialist in that Division, who have contributed substantially in the development of the Geoportal and are in charge of its operation and maintenance. The Geoportal was developed by GeoSet Ltd (Holargos, Greece) through a contract that was procured to it. The financing of the development was made through EU OP EPAnEK 2014-2020. The views presented here represent the author and don’t necessarily reflect the official views of the “Hellenic Cadastre”.