Category: OSM
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GIScience and HeiGIT contributions to AGILE 2021 conference
The AGILE 2021 conference is taking place this week. It is the the 24rd AGILE conference on GIScience. AGILE is the Association of Geographic Information Laboratories in Europe and the 2021 conference is for the first time held as a virtual conference. As in earlier years GIScience Heidelberg and HeiGIT are contributing to the conference with several…
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Automatic building detection with ohsome2label and Tensorflow
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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The ohsome quality analyst goes public on Github with new release 0.3.0
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 under…
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All countries of Central and South America now on Open Healthcare Access Map
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…
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ohsomeHeX provides access to OSM feature history
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…
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Detecting OpenStreetMap missing buildings by transferring pre-trained deep neural networks
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…
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Deriving indicators for Points of Interest and analyzing mixed activities in urban areas
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 July 5th to July…
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All countries of South and Southeast Asia now on Open Healthcare Access Map
It’s been a little longer than a month since we published the Open Healthcare Access Map. Last week we rolled out all countries of Sub-Saharan Africa. Today all countries of South and Southeast Asia follow. The web application is available here: https://apps.heigit.org/healthcare_access/. To get a clearer understanding of healthcare infrastructure data in OpenStreetMap, please consult…
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All countries of Sub-Saharan Africa now in Open Healthcare Access Map
Last month we started the Open Healthcare Access Map. Initially, only a few countries were featured. Gradually, more countries and regions are now being added. Today we release all countries of Sub-Saharan Africa. 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…
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Two-part Mapathons for better new user retention?
The project “25 Mapathons“ goes into the next phase. Based on the experience of until today 17 OSM mapathons with German Red Cross (GRC) chapter and an extensive literature review on the success of mapathons, the “25 Mapathons” team has identified several points of possible improvement in the way how mapathons are conducted in general:…
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Towards a framework for the analysis of local OSM contributions
Volunteered Geographic Information (VGI) such as OpenStreetMap (OSM) is often defined as the collaborative acquisition of geographic information and local knowledge by volunteers, amateurs or professionals (Goodchild, 2007). The increasing availability and importance of local data in OSM is largely acknowledged in VGI projects. Local knowledge provides access to a plethora of contextual information and…
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German Mass Vaccination Sites in Open Healthcare Access Map
Last week we introduced Open Healthcare Access Map. Our new web application for interactively sharing results of accessibility estimates based on OpenStreetMap healthcare facilities and openrouteservice isochrones. A new update now shows motorized accessibility estimates of mass vaccination sites in Germany. Accessible via this directlink: https://apps.heigit.org/healthcare_access/#/countries/deu/covid19_vaccination/adm0 These results are based on an analysis by Sven…