HeiGIT
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heigit.org
HeiGIT
@heigit.org
Open-source geoinformation, methods and software for the benefit of the environment and society.
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This is the official account of HeiGIT (Heidelberg Institute for Geoinformation Technology) at Heidelberg University.
Check us out at https://heigit.org/
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮𝟱: 𝗛𝗲𝘅𝗮𝗴𝗼𝗻𝘀
𝘏𝘦𝘢𝘭𝘵𝘩𝘤𝘢𝘳𝘦 𝘢𝘤𝘤𝘦𝘴𝘴𝘪𝘣𝘪𝘭𝘪𝘵𝘺 𝘪𝘯 𝘚𝘵𝘰𝘤𝘬𝘩𝘰𝘭𝘮🩺🚶

The flu season has started, so we explore what share of #Stockholm’s residents can reach a doctor on foot.

📑Results - and a guide to create this kind of maps in #QGIS with ORSTools: workshops.heigit.org/orstools-wor...
November 25, 2025 at 8:45 AM
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮𝟯: 𝗣𝗿𝗼𝗰𝗲𝘀𝘀
𝘗𝘦𝘳𝘤𝘦𝘯𝘵𝘢𝘨𝘦 𝘰𝘧 𝘶𝘯𝘱𝘢𝘷𝘦𝘥 𝘳𝘰𝘢𝘥𝘴 𝘪𝘯 𝘔𝘰𝘻𝘢𝘮𝘣𝘪𝘲𝘶𝘦 🇲🇿
Today’s map visualizes the proportion of paved and unpaved roads across Mozambique, created using HeiGIT’s road surface dataset.
💡 Learn more here : buff.ly/bt2Y0XA
November 23, 2025 at 9:00 AM
This year, ELLIS UnConference 2025 by ELLIS Unit Jena, co-located with #EurIPS Copenhagen, where Steffen Knoblauch will speak on AI for humanitarian response and climate resilience, and Satvik Parashar will present on AI-driven carbon fluxes from land-use and cover changes.
📆 2 Dec
🔗 buff.ly/OyK40qr
November 21, 2025 at 8:07 AM
We are happy to announce that Alexander Zipf will deliver a keynote at the ISPRS/ISDE Conference 2025, where he will discuss how Geographic Information, particularly #OpenStreetMap, and #GeoAI can advance sustainable development.

📅 2-4 December 2025
📍 Nairobi, Kenya
🔗 buff.ly/ql1FYjn
November 20, 2025 at 9:15 AM
🌍 New global satellite dataset for #humanitarian routing & tracking infrastructure change.

Paved vs. unpaved roads worldwide, based on high-res imagery to support better routing, accessibility mapping & planning where data is scarce.

🔗 tinyurl.com/4cb4ke2m

#GISday #opendata #geospatial #GIS
November 19, 2025 at 12:52 PM
📢 𝗗𝗲𝗮𝗱𝗹𝗶𝗻𝗲 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 – #𝗖𝗮𝗹𝗹𝗳𝗼𝗿𝗣𝗮𝗽𝗲𝗿𝘀
The deadline for our special issue “VGI and Remote Sensing for Sustainable and Climate-Resilient Environments” has been extended to May 2026.

We look forward to your submissions: heigit.org/events/call-...
November 18, 2025 at 12:30 PM
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟭𝟱: 𝗙𝗶𝗿𝗲
𝘔𝘰𝘥𝘦𝘭𝘦𝘥 𝘴𝘰𝘭𝘢𝘳 𝘦𝘹𝘱𝘰𝘴𝘶𝘳𝘦 𝘪𝘯 𝘏𝘦𝘪𝘥𝘦𝘭𝘣𝘦𝘳𝘨☀️
Researchers modeled solar exposure across #Heidelberg's pedestrian network by combining OSM data with detailed building & vegetation models. It´s part of the HEAL project, that helps cities adapt to rising heat.
heigit.org/heal/
November 15, 2025 at 9:01 AM
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟭𝟰
𝘓𝘢𝘯𝘥𝘶𝘴𝘦/𝘓𝘢𝘯𝘥𝘤𝘰𝘷𝘦𝘳 𝘪𝘯 𝘉𝘰𝘴𝘯𝘪𝘢 𝘢𝘯𝘥 𝘏𝘦𝘳𝘻𝘦𝘨𝘰𝘷𝘪𝘯𝘢

Today´s map shows land use in Bosnia and Herzegovina, based on our #OSMlanduse dataset, which combines #OpenStreetMap and Copernicus Sentinel-2 data to create land use maps of Europe.

🔍Dataset info: heigit.org/osm-landuse-...
November 14, 2025 at 9:00 AM
🌍 Join our Mapathon for Geography Awareness Week!

We’re teaming up with the University of Würzburg, GeoDACH and AFNEG for an evening of open mapping in support of #MSF work in Indonesia.

🗓️ 18:30–21:30
📍 Im Neuenheimer Feld 205, 69120 HD (5th floor, IWR)

👉 heigit.org/events/geogr...
November 13, 2025 at 8:54 AM
🌍 Excited to share that our AI Logistic Awareness System (AILAS) is featured in WIPO’s Green Technology Book 2025!
AILAS uses #AI, #geospatial analytics & #opendata for weather-adaptive routing, improving disaster logistics & #resilience.

AILAS: heigit.org/ailas/
Book: tinyurl.com/ymuyvx8f
November 12, 2025 at 8:32 AM
🌾New research: Why are sugarcane farms abandoned in Rio de Janeiro State?
New research shows local factors matter:
Water stress
Steep terrain
Distance from sugar mills

Climate + accessibility are key factors for #sustainable rural planning and #LandUse.
👉 heigit.org/new-paper-pr...
November 10, 2025 at 8:45 AM
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟳 𝗔𝗰𝗰𝗲𝘀𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝘆
𝘗𝘳𝘦-𝘧𝘭𝘰𝘰𝘥𝘪𝘯𝘨 𝘢𝘤𝘤𝘦𝘴𝘴𝘪𝘣𝘪𝘭𝘪𝘵𝘺 𝘢𝘤𝘳𝘰𝘴𝘴 𝘗𝘰𝘳𝘵𝘰 𝘈𝘭𝘦𝘨𝘳𝘦, 𝘉𝘳𝘢𝘻𝘪𝘭 🇧🇷
Today’s map highlights road accessibility before the 2024 floods in #PortoAlegre, focusing on the BR-290 Freeway.
💡Mapping accessibility helps reveal vulnerabilities in transport networks.
November 7, 2025 at 9:00 AM
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟲: 𝗗𝗶𝗺𝗲𝗻𝘀𝗶𝗼𝗻𝘀
𝘈𝘶𝘵𝘰 𝘨𝘦𝘯𝘦𝘳𝘢𝘵𝘦𝘥 3𝘋 𝘣𝘶𝘪𝘭𝘥𝘪𝘯𝘨 𝘮𝘰𝘥𝘦𝘭𝘴 𝘪𝘯 𝘛𝘳𝘰𝘯𝘥𝘩𝘦𝘪𝘮, 𝘕𝘰𝘳𝘸𝘢𝘺 𝘷𝘪𝘴𝘶𝘢𝘭𝘪𝘻𝘦𝘥 𝘰𝘯 𝘵𝘩𝘦 𝘊𝘦𝘭𝘴𝘪𝘶𝘴 𝘱𝘭𝘢𝘵𝘧𝘰𝘳𝘮
Today’s map goes beyond 2D, visualizing Trondheim, Norway, in three dimensions.
The 3D building models were automatically generated in LoD2 (Level of Detail 2) from ALS.
November 6, 2025 at 9:26 AM
HeiGIT welcomes Stefan Gumbrich as new Managing Director!

Stefan, our former Innovation Manager with a PhD in Informatics and 20+ years at IBM, succeeds Gesa Schönberger. Thank you, Gesa, for your exceptional leadership. Onward with open geoinformation for social good!

heigit.org/heigit-welco...
November 5, 2025 at 2:15 PM
We are excited to introduce hiWalk 3.0🚶‍♀️, which expands our walkability analysis with two indicators: distance to benches and distance to drinking fountains.⛲. Explore how your city performs and help improve OpenStreetMap by adding missing benches or fountains!
🔍 heigit.org?p=40878
November 4, 2025 at 9:15 AM
𝗛𝗲𝗶𝗚𝗜𝗧 𝗮𝘁 𝗦𝘁𝗮𝘁𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗠𝗮𝗽 𝗘𝘂𝗿𝗼𝗽𝗲🌍📍
We will join SotM Europe with several sessions on #OpenStreetMap, #geoAI, and humanitarian mapping. We look forward to discussing how Open Data, community collaboration and AI shape the future of mapping.

💡Our contributions: heigit.org/events/heigi...
November 3, 2025 at 8:12 AM
#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮: 𝗟𝗶𝗻𝗲𝘀
𝘔𝘢𝘱𝘱𝘪𝘯𝘨 𝘳𝘰𝘢𝘥 𝘤𝘰𝘯𝘥𝘪𝘵𝘪𝘰𝘯𝘴 𝘪𝘯 𝘈𝘤𝘤𝘳𝘢, 𝘎𝘩𝘢𝘯𝘢
By combining Planet satellite data with Mapillary imagery, we reveal road infrastructure gaps.
🔍 Dataset: data.humdata.org/organization...
📆 Stay tuned for the release of a new road surface dataset!
November 2, 2025 at 9:01 AM
Another year, another #30DayMapChallenge! 🗺️
𝗗𝗮𝘆 𝟭: 𝗣𝗼𝗶𝗻𝘁𝘀
We start with a map of public transport stops in Stuttgart, Germany. The colors reflect how often the stops are serviced by public transport between 7am-7pm on weekdays. High frequency is key for a high-quality public transport network 🚌
November 1, 2025 at 9:01 AM
This term's first HGG lecture: Multifunctional forestry between the Rhine Valley and Tauberland - Adaptation Strategies in Climate Change
📆 November 11, 2025 7:15 pm
📍 Lecture Hall 2 (HS2), Kirchhoff Institute for Physics (KIP), HD
🗣️ Dr. Mathias Steckel (Forstbezirk Odenwald)
💡 buff.ly/KjIQIzL
October 31, 2025 at 9:15 AM
We´ll be at the 𝗜𝗻𝘁𝗲𝗿𝗻𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗟𝗮𝗻𝗱 𝗨𝘀𝗲 𝗦𝘆𝗺𝗽𝗼𝘀𝗶𝘂𝗺 with our work on integrating OSM data with satellite imagery using machine learning to detect land use changes. It is part of the LaVerDi project together with @bkgbund.bsky.social
💡https://tinyurl.com/land-use-symposium
🔍https://heigit.org/laverdi/
October 29, 2025 at 8:31 AM
🗺️ Mapping with Communities goes online!

Online event with Urban Big Data Centre.
Two sessions (8 & 9 Dec) for different time zones.
Join mappers & community initiatives worldwide—register as participant or presenter!

Info & registration: heigit.org/events/mappi...
#ParticipatoryMapping #GIS
October 27, 2025 at 9:15 AM
🌡️ HEAL project featured on Climate Adaptation Stories!
Our heat-resilient navigation app helps vulnerable populations navigate cities safely during extreme heat. Expanding across Europe!
Contact us if your city could benefit.

👉 climate-adapt.eea.europa.eu/en/mission/s...
#ClimateAdaptation
October 24, 2025 at 8:15 AM
𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝗟𝗮𝗻𝗱 𝗖𝗼𝗻𝘀𝘂𝗺𝗽𝘁𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗔𝗰𝘁𝗶𝗼𝗻 𝗡𝗮𝘃𝗶𝗴𝗮𝘁𝗼𝗿 🏗️🌳
Urban regions are facing an increase in land consumption, with environmental & socio-economic consequences. The CAN`s new assessment tool supports decision making towards a sustainable land use: tinyurl.com/can-land-con...
October 23, 2025 at 8:07 AM
𝗠𝗮𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗠𝗼𝗻𝘁𝗵: 𝗟𝗮𝗻𝗱 𝗨𝘀𝗲 𝗟𝗮𝗻𝗱 𝗖𝗼𝘃𝗲𝗿 (𝗟𝗨𝗟𝗖) 𝗖𝗵𝗮𝗻𝗴𝗲 𝗶𝗻 𝗚𝗿ü𝗻𝗵𝗲𝗶𝗱𝗲, 𝗕𝗿𝗮𝗻𝗱𝗲𝗻𝗯𝘂𝗿𝗴
Our LULC Change tool provides high-resolution emission estimates for a custom time period at a spatial scale. We analyzed LULC changes in Grünheide, Brandenburg (2020-2024).
🔍 climate-action.heigit.org/webapp/dashb...
October 22, 2025 at 9:02 AM
The Silver Ways project aims to assist older adults in navigating cities by developing a routing system that targets their specific needs.🚶‍♀️

To ground this system in lived experience, we conducted a series of workshops with elderly groups across Mannheim. 📝

🔍 heigit.org/silver-ways-...
October 21, 2025 at 8:15 AM