Category: Research
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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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HELIOS++ v1.0.6 released
We are proud to present the newest HELIOS++ release, v1.0.6, with numerous bugfixes and support for the unique LiVOX scan pattern (using Risley prisms – the color indicates point indices and increases from blue to red): Furthermore, the Easter bunny left some Easter eggs in the ‘toyblocks’ scene: You can find the changlelog for the…
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HeiGIT und DRK veröffentlichen weiteres Trainingsmaterial zu Mapathons
Gemeinsam mit dem Deutschen Roten Kreuz (DRK) hat das HeiGIT heute das Dokument “Die häufigsten Fehler beim „mappen“ mit dem iD-Editor & deren Lösung” veröffentlicht. Das Dokument ist komplementär zum Handbuch zur Veranstaltung von Mapathons, welches bereits 2020 veröffentlicht wurde. Das neue Dokument beschreibt kurz und bündig häufig auftretende Fehler beim Mappen und soll so noch unerfahrenen Mapper*innen…
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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…
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Talk: Deep Learning for Point Cloud Processing
Lukas Winiwarter of the 3DGeo group was invited by the Austrian Society of Surveying and Geoinformation (OVG) to give a talk on the application of deep learning on point clouds, which took place on March 24. In his talk, Lukas presented four different state-of-the-art approaches to consider the irregular, unordered structure of point clouds, which…
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Introducing the Open Healthcare Access Map
Open Healthcare Access Map is a new web application by HeiGIT to provide insights into healthcare supply on different spatial scales for many countries worldwide. The web application is available here: https://apps.heigit.org/healthcare_access/. Please note that this is a prototype and feedback on improvements and desired functionalities is very welcome. You can reach us at this…
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New publication on the Impact of Community Happenings in OpenStreetMap
Online knowledge projects such as OpenStreetMap (OSM) and Wikipedia have gained high importance, trust and even economic value. These projects and their content are maintained and enhanced by online communities that evolve around them. Yet, these communities and their members are often ignored when the respective data or knowledge is used. In a recent publication…
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Behind the scenes of the ohsome quality analyst (OQT)
The #ohsome quality analyst (short: OQT) has been online and accessible through its web-interface now for quite some weeks already (see the introductory blog post as a reference). The website is not the only access point to the OQT though. Therefore, the ohsome team at HeiGIT would like to give some insights to the additional…
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Humanitarian OSM Stats: How to monitor humanitarian mapping in the HOT Tasking Manager? – Part 5: the American Red Cross
Since 2010 organized humanitarian mapping has evolved as a constant and growing element of the global OpenStreetMap (OSM) community. With more than 8,000 projects in 150 countries humanitarian mapping has become a global community effort. Due to this large amount of projects, it can be difficult to get an overview on mapping activity. This is…
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Insights into OpenStreetMap healthcare attributes in India over time
Last November, we covered the recent increase of healthcare related objects in OpenStreetMap (OSM) in India. In less than a year, the amount of facilities has increased from 6.956 to 48.101. This is mainly due to an import run by RMSI – an Indian GIS consulting company. In this blog we will take a closer look at…
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Flood Impact Assessment on Road Network and Healthcare Access at the example of Jakarta, Indonesia
Extreme natural events create catastrophic situations for cities and their populations. Due to climate change and anthropogenic activities, the number and intensity of these events has steadily increased at the global scale. Floods are the most common natural disaster worldwide, responsible for economic, social and life losses. Low-income countries have a death rate 23 times…