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Monthly Archive for May, 2021

Accurate and complete geographic data of human settlement is crucial for humanitarian aid and disaster response. OpenStreetMap (OSM) can serve as a valuable source, especially for global south countries where buildings are largely unmapped. In a previous blog, we introduced our recent work in detecting OpenStreetMap missing buildings, so this time we will show you [...]

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Data quality is an important issue then performing analysis based on OpenStreetMap data. We have recently demonstrated how the effects of the 2013 flood in Jakarta on the accessibility of hospitals and clinics could be analyzed based on network analysis indicators and the isochrones functionality of the openrouteservice. As part of that analysis we analyzed [...]

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The ohsome quality analyst (short: OQT) has been introduced at the beginning of this year and today we are proud to announce two updates.
First, we  released the new version 0.3.0 which includes new OSM layers and a brand new data quality report. Working on this release has been the first collaboration with MapAction [...]

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After Sub-Saharan Africa and South and Southeast Asia we have now published all countries of Central and South America on the Open Healthcare Access Map.
The web application is available here: https://apps.heigit.org/healthcare_access/.
Please note that this is still a prototype and feedback on improvements and desired functionalities is very welcome. You can reach us at this email [...]

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Did you ever wonder how your city was mapped over time, how geometries were changed and refined, how mistakes were added and corrected again? Then read on: ohsomeHex has a great new feature for you - the individual object’s zoom-in-history-view.
To continue in providing valuable insights into the quality and development process of OpenStreetMap data, we are [...]

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Dear mappers,
on Monday 17.5.2021, 18.00pm a third international mapathon together with disastermappers heidelberg, MAMAPA, CartONG, HuMap and OSM Ghana will take place, which will give you some insights in mapping for humanitarian purposes from the perspective of different organizations and people around the world!
For beginners we will offer a mapping introduction as usual, so you [...]

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Recently, a new research paper “Detecting OpenStreetMap missing buildings by transferring pre-trained deep neural networks” (Pisl, J., Li, H., Herfort, B., Lautenbach, S., Zipf, A. 2021) has been accepted at the the 24th AGILE conference 2021. The conference will take place virually on June 8 to 11, 2021.
Accurate and complete geographic data of human settlements [...]

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Am kommenden Dienstag 18.05.21 um 19:15 geht Prof. Dr. Detlef Müller-Mahn von der Universität Bonn in seinem Vortrag bei der Heidelberger Geographischen Gesellschaft HGG auf “Afrikanische Zukünfte nach COVID-19″ ein:
Noch steckt die ganze Welt mitten in der Pandemie, aber schon jetzt stellt sich die Frage, wie es danach weitergeht. In Afrika wirkt [...]

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The significance of gully filling practices on agricultural production has been only rarely evaluated in literature. In this study, a medium-sized catchment was selected, for being representative of the conventional farming practices on annual crops in the Campiña landscape in Southern Spain. During two wheat campaigns, an analysis of the spatial and temporal evolution of [...]

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We are pleased that our research paper “Deriving indicators for Points of Interest and analyzing mixed activities in urban areas” (Ullah, Lautenbach, Zipf 2021) has been accepted at the 12th International Symposium on the Digital Earth (ISDE) scheduled within the GI Week 2021 in Salzburg. The conference will take place from [...]

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