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Articles

Multiscale cartographic visualization of harmonized datasets

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Pages 178-194 | Received 08 Feb 2019, Accepted 21 Apr 2019, Published online: 13 May 2019
 

ABSTRACT

With the product TopPlusOpen, the Federal Agency for Cartography and Geodesy (BKG) has for the first time provided a freely accessible web map, which is based entirely on open or free data sources. For this purpose, the BKG processed and combined many different data sources in order to achieve the best possible map presentation. Among others, free official spatial data of the Federal Government and the Open Data states Berlin, Hamburg, North Rhine-Westphalia and Thuringia are presented in the product. Furthermore, Brandenburg, Mecklenburg-Western Pomerania and Rhineland-Palatinate provide their official spatial data for TopPlusOpen based on a cooperation agreement so that also these states are presented exclusively by official data. The services of the TopPlusOpen were released in September 2017. The product was very well received by the public, private and scientific sectors and is already used as a background map in many geoportals. The free access and the cross-border map presentation are especially mentioned.

RÉSUMÉ

Avec le produit TopPlusOpen, l’Agence fédérale de Cartographie et de Géodésie d’Allemagne (BKG) a pour la première fois proposé une carte web en accès libre, entièrement construite à partir de sources de données ouvertes ou libres. Dans cet objectif le BKG a traité et associé de nombreuses sources de donnés afin d’obtenir la meilleure représentation cartographique possible. Des données officielles libres du gouvernement fédéral et les données ouvertes des régions de Berlin, Hambourg, de la Rhénanie-du-nord Westphalie et de Thuringe sont entre autres inclues dans ce produit. De plus les régions de Brandebourg, Mecklenbourg Poméranie Occidentale et de Rhénanie Palatinat ont mis à disposition leurs données officielles pour le produit TopPlusOpen dans le cadre de convention de collaboration afin que ces régions ne soient représentées que par des données officielles. Les services de TopPlusOpen ont été publiés en Septembre 2017. Le produit a été très bien accueilli par les secteurs public, privé et scientifique et est déjà utilisé comme fond de carte dans de nombreux géoportails. L’accès libre et la représentation des données aux frontières sont particulièrement appréciés.

Disclosure statement

No potential conflict of interest was reported by the authors.

Notes on contributors

Peter Kunz is working as an engineer for cartography in the Department of Geoinformation, Federal Agency for Cartography and Geodesy, Frankfurt am Main, Germany. His research interests focus on automated cartography, relief representation and FOSSGIS technologies. He is currently responsible for the development of the products TopPlus and TopPlusOpen.

Dr.-Ing. Joachim Bobrich is the head of unit GI2 Geodata Infrastructure Services, Department of Geoinformation, Federal Agency for Cartography and Geodesy, Germany.

Notes

1. NSG: German abbreviation for nature reserve

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