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A three-in-one tool for cartographic generalization with the new version of CartAGen

VIAF
284519606
ORCID
0000-0001-6113-6903
Affiliation
Univ Gustave Eiffel, ENSG, IGN, LASTIG, Champs-sur-Marne, France
Touya, Guillaume;
VIAF
5290145856935522920044
Affiliation
Univ Gustave Eiffel, ENSG, IGN, LASTIG, Champs-sur-Marne, France
Berli, Justin;
Affiliation
Univ Gustave Eiffel, ENSG, IGN, LASTIG, Champs-sur-Marne, France
Bourcier, Paul

The lack of open and free tools for cartographic generalisation restricts the use of generalization techniques to National Mapping Agencies that can afford the development of custom processes based on software such as ArcGIS. For the others, whether they are students, researchers, independent cartographers or data journalists, the release of the version 1.0 of the CartAGen library can be a solution. CartAGen can be seen as a three-in-one tool. It provides first an open Python library that is complementary to Shapely and GeoPandas libraries to build automated generalisation scripts. Then, CartAGen is now (2) a QGIS plugin that can be used to generalise QGIS layers with many different algorithms that can also be included in a model builder. Finally, we provide (3) several Python notebooks that can be used as tutorials to discover the challenges of map generalisation, and how the library can be used. A significant effort has been made to provide documentation that is aimed at both novice and trained cartographers.

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Published in:
Advances in cartography and GIScience of the ICA
Vol. 5.2025 (20.10.2025), art. no. 31, p. 1-8
Volume:
5.2025
Publication date:
20.10.2025
URN:
urn:nbn:de:0307-20260806-006-0
DOI:
10.5194/ica-adv-5-31-2025
Language:
English
Type of Resource:
Text
Extent:
1 Online-Ressource (Seite 1-8, 7,13 MB) : 14 Illustrationen, 1 Textdatei (PDF)
Keywords:
cartographic generalisation; Open SourceGND; Python <computer program language>; QGISGND; Generalisierung <Kartografie>GND; Python <Programmiersprache>GND
DDC subject of DNB:
520 Astronomy & allied sciences
URL:
https://doi.org/10.5194/ica-adv-5-31-2025
URL:
https://ica-adv.copernicus.org/articles/5/31/2025/
Link to Raw Object:
https://ica-adv.copernicus.org/articles/5/31/2025/ica-adv-5-31-2025.pdf
Hosting institution:
National Institute of Geographic and Forest Information (IGN) [FR]
Hosting institution:
Internationale Forschungseinrichtungen
Statement of responsibility:
Guillaume Touya, Justin Berli, Paul Bourcier
Bibliographic notes:
Published in: Advances in Cartography and GIScience of the ICA, Volume 5, 2025 - 32nd International Cartographic Conference (ICC 2025); 17-22 August 2025, Vancouver, Canada; Editors: Mir Abolfazl Mostafavi, Jonathan Li, and Emmanuel Stefanakis | https://ica-adv.copernicus.org/articles/5/index.html

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