After introducing the OSM Element Vectorisation Tool last week, we now want to show possible use cases and specific examples of what the tool can do. This third and last example will look at the correlations between indicators. The goal … Read More
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OEV: Quantifying differences between imports (3/4)
After introducing the OSM Element Vectorisation Tool last week, we now want to show possible use cases and specific examples of what the tool can do. This second of three use cases (see use case 1) compares the data in … Read More
2022 #30DayMapChallenge Round-Up Part 4: The Whole Wide World
Featured Map: Isochrones (areas reachable within 2 hours from larger Japanese cities) by HeiGIT’s openrouteservice for bigger cities on the main islands of Japan, Marcel Reinmuth’s submission for Day 3 (“Polygons”) of Topi Tjukanov’s Twitter event #30DayMapChallenge. Map derived from OpenStreetMap … Read More
2022 #30DayMapChallenge Round-Up Part 3: Home Sweet Heidelberg
Featured photo: A listing of last year’s prompts from Topi Tjukanov’s Twitter event #30DayMapChallenge. This past November, our teams at HeiGIT and GIScience participated in Topi Tjukanov’s Twitter event #30DayMapChallenge, where mappers display their creativity and ingenuity with a set … Read More
OEV: Analysing attributes of remarkable elements (2/4)
After introducing the OSM Element Vectorisation Tool earlier this week, we now want to show possible use cases and specific examples of what the tool can do. This first of three use cases takes a closer look at the data … Read More
OSM Element Vectorisation Tool Version 1
The IDEAL-VGI research project is nearing its end. And while that won’t be the end of our research into social data sources, data quality analyses and land-use information, we are happy to announce a major outcome: the version 1 release … Read More
Participatory Mapping taken one step further – The new version of the Sketch Map Tool
Sketch Map Tool (SMT) – An easy-to-use way to create and digitalize paper maps for offline data collection in the field The HeiGIT (Heidelberg Institute for Geoinformation Technology) team recently launched a new version of the Sketch Map Tool – … Read More
2022 #30DayMapChallenge Round-Up Part 2: Deleted Maps
Featured photo: The deleted map displays all deleted elements within the analyzed areas (red). Gray rectangles represent deleted buildings. This past November, our teams at HeiGIT and GIScience participated in Topi Tjukanov’s Twitter event #30DayMapChallenge, where mappers display their creativity … Read More
How to become ohsome part 15- Analysing Changes in OSM after the Earthquake in Syria and Türkiye in February 2023
Featured Map: Percent change in each province of Türkiye and Syria of buildings in OSM. Data from OpenStreetMap, visualized using QGIS and the ohsome API plugin. Welcome back to the how to become ohsome series! If you’re new to the series, … Read More
![Figure 1. Total carbon fluxes related to LULCC in Baden-Württemberg between March 2018 and October 2019 (LaVerDi, OSMlanduse+), and March 2018 and March 2020 (OSMlanduse, OSMlanduse cleaned). The upper plot shows the relative difference of carbon fluxes [%] with respect to LULC transition and carbon flux attribution method. The carbon fluxes of method 1 are set to 0. The lower plot shows the total absolute carbon fluxes [Mg C] calculated with carbon flux attribution method 1 with respect to LULC transition and LULCC method.](https://heigit.org/wp-content/uploads/2023/05/ed501d68-7952-4263-a23e-a5f8a81fa7a4.png)
New Paper: Carbon Fluxes Related to Land Use and Land Cover Change in Baden-Württemberg
Featured Image: Figure 1. Total carbon fluxes related to LULCC in Baden-Württemberg between March 2018 and October 2019 (LaVerDi, OSMlanduse+), and March 2018 and March 2020 (OSMlanduse, OSMlanduse cleaned). The upper plot shows the relative difference of carbon fluxes [%] … Read More
Private Vehicles Greenhouse Gas Emission Estimation at Street Level for Berlin Based on Open Data
Since the transportation sector is one of the major greenhouse gas (GHG) emitters that has not seen significant emission reductions in the last decades, it requires special attention from policymakers. However, estimations of traffic emissions often rely on huge amounts … Read More
Functionality Update for OSM Landuse Landcover
We are pleased to announce that https://osmlanduse.org has received a functionality update. Thanks to the cooperation of GIScience and HeiGIT under the IDEAL-VGI project, our researchers were able to add a number of new features to the interactive map. The … Read More
HeiGIT to hold hands-on workshop about OSM data quality at FOSSGIS Berlin 15.-18.03.2023
HeiGIT will present its software “ohsome quality analyst” (OQT) at the FOSSGIS Conference in Berlin this week. In the demo session, Benjamin Herfort will show the numerous possibilities of the tool and how everyone can use OQT to evaluate completeness, … Read More
OpenStreetMap Element Vectorisation: A Tool for High Resolution Data Insights and its Usability in the Land-use and Land-cover Domain
Featured Image: Figure 3 from paper. One of the contributions showcased by the HeiGIT/GeoScience team in last year’s Free and Open Source Software for Geospatial (FOSS4G) 2022 conference was Moritz Schott, Sven Lautenbach, Leonie Großchen, and Alexander Zipf’s novel paper … Read More
Cover Story: Improving OpenStreetMap missing building detection using few-shot transfer learning in sub-Saharan Africa
Volume 26, Issue 8 of Transactions in GIS, published in December 2022, has a cover story and it’s us- well, our article anyway. Besides uniting our love of math, mapping, and Mozambique, we’re hoping to use our moment of fame … Read More
GIScience Postdoc/Senior Researcher Opportunity for OpenStreetMap Road Quality Analysis
If you’re on the job market or know someone who is, check out this exciting new opening from our partners at GIScience. The offer is included as text below. You are interested in enhancing methods for analyzing & improving OpenStreetMap … Read More
OSHDB Version 1.0 Has Arrived
Featured Photo: Ohsome dashboard interface for Heidelberg, Germany. In the words of Confucius, “The man who moves a mountain begins by carrying away small stones.” As we release OSHDB (OpenStreetMap History Database) Version 1.0, we look back at versions 0.5, … Read More
Job Opening for Postdoc / Senior Researcher on OpenStreetMap Road Quality Analysis
If you’re on the job market or know someone who is, check out this exciting new opening from our partners at GIScience. The offer is included as text below! You are interested in enhancing methods for analyzing & improving OpenStreetMap … Read More
Time to celebrate! oshdb has reached an object count of >10 billion!
As of 02.11.2022 we have reached objects 10,107,826,483* in our oshdb. As such, we think it is most definitely time to celebrate! *For information on the background this figure, read our Basic guide to OSM data filtering 😉 This blog post … Read More
Job Offer – Software Engineer OSM Routing Services
You genuinely enjoy developing open source Geoinformation Services used by thousands on a daily basis? You are a highly motivated Java Backend Developer and algorithm designer? And you love using and enhancing OpenStreetMap for high-performance GI services for global coverage? Then … Read More