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GIScience Blog

Month: March 2021

  • Mapathon “Mapping for International Solidarity” on 06.04

    Hello dear friends of the disastermappers heidelberg! At the moment, the Heidelberg International Weeks against Racism 2021 are running – and the disastermappers are also taking part! Why? The unequal distribution of resources is often a consequence of historical (and neo-) colonialism and related racism. This increases the vulnerability of societies in many parts of…

  • 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…

  • 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…

  • 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…

  • 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…

  • Open Position @ HeiGIT: Software Engineer OSM Routing Services – Backend & Algorithms

    Sie lieben Open-Source-Geoinformationsdienste zu entwickeln, die täglich von Tausenden genutzt werden? Sie sind ein hochmotivierter Java Backend-Entwickler und Algorithmen-Designer? Und Sie wollen OpenStreetMap für leistungsstarke GI-Dienste mit globaler Abdeckung einsetzen und verbessern? Dann haben wir vielleicht einen passenden und interessanten Job für Sie. Software Engineer OSM Routing Services (m, f, d) Backend & Algorithmen Die…

  • 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…

  • 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…

  • New mFund project: start of SocialMedia2Traffic – derivation of traffic information from social media data

    (deutsche Version siehe unten) Up-to-date traffic information is a prerequisite for navigation solutions to determine the best route and travel time. However, there is no freely available traffic information on a global and federal level. “SocialMedia2Traffic uses freely available data from social media such as Twitter messages,” says Prof. Zipf, “to determine current traffic information…

  • A fresh new ORS maps client

    We are happy to announce that the new openrouteservice maps client has been finished and released. It is an open source route planner with plenty of features for car, heavy vehicles, hiking, cycling and wheelchair, designed to be mobile friendly and offers several advanced features and filters, as well as support for export and import files.…

  • 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…

  • Humanitarian OSM Stats: How to monitor humanitarian mapping in the HOT Tasking Manager? – Part 4

    Since 2010, organized humanitarian mapping has evolved as a constant and growing element of the global OpenStreetMap (OSM) community. With more than 7,000 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…