Category: Software
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Ein Jahr WebApp „meinGrün“ – finale Befragung und Ergebnispräsentation
Im Juni 2020 haben wir mit unseren Partnern aus dem meinGrün Projekt die gleichnamige WebApp gestartet. Nun sind die Nutzenden in Dresden und Heidelberg aufgerufen, sich ein letztes Mal an einer Befragung zu beteiligen und so Hinweise für die mögliche künftige Weiterentwicklung zu geben. Am 28. Juni werden wir zudem mit unseren Projektpartnern die Ergebnisse…
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Openrouteservice for complex route optimization in new QGIS extension by Regionalverband Ruhr
(Deutsche Version unten) The Regionalverband Ruhr (Team 9-2 Geodata Technology) has used the potential of HeiGIT’s openrouteservice (ORS) in a new QGIS extension and thereby created another possible application for the ORS: The tool “Location and Route Optimization of Addresses” allows to search and locate addresses and to find the optimal routes between them. This…
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Methods and algorithms for 3D/4D change analysis and virtual laser scanning
Curious, which methods on 3D/4D point cloud-based change analysis and virtual laser scanning we are working on, that might also be interesting for your research? Thanks to a redesign of our 3DGeo website you can now quickly get an overview of algorithms and methods, that are acitvely developed in our research and featured in recent…
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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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Becoming ohsome in R – analysis of the completeness of the road network and health sites in Jakarta
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 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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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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Ohsome Region of the Month Building-Information Analysis
Welcome back to our blog post series ”ohsome Region of the Month” where you can find information on potential applications of the ohsome API. If you’re new to this format you can also read some of the former blog posts from this series which you can find here (about street networks), here (about railway networks) or here (about forests). This month,…
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Ohsome Green Region of the Month
Welcome back to the ohsome region of the month format where you can learn and get inspiration about potential applications of the ohsome API. This time we looked at forest-related information in four different Canadian regions looking for the green region of the month, which means there will be a winner announced at the end…
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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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ohsome-py: Python Package for OSM history analytics published
As a little Easter present, we published the first version of the ohsome-py Python package today. ohsome-py helps you extract and analyse OpenStreetMap history data using the ohsome API and Python. It handles queries to the ohsome API and converts its responses to Pandas or GeoPandas data frames to facilitate easy data handling and analysis.…
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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…