News

OpenStreetMap History Database – version 0.5

The OpenStreetMap History Database (OSHDB) is what powers most of the functionality of HeiGIT’s ohsome platform. The ohsome API for example, which was often showcased here in the blog, is built on top of the OSHDB. Just recently, an open … Read More

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The New York Times + openrouteservice

In a recent article by the NYTimes the openrouteservice API isochrones interface was consumed to derive regions of reachability from subway stations in New York City. Their findings show that two-thirds of 550.000 residents who have difficulty walking live far … Read More

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Preview of new Openrouteservice Client for Web and Mobile

A first preview on the new client for Openrouteservice has been released as a public beta. It is available at https://openrouteservice.org/map/ . Wit the features implemented until now the new map client is already functional. `There are some important functionalities … Read More

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How to become ohsome part 4: handling a snake in a notebook on another planet

Welcome back to a new episode of how to become ohsome. Yes, you’ve read the heading correctly. We are really talking about a snake in a notebook on another planet. If you are familiar with one of the most used … Read More

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openrouteservice for Disaster Management: Response to Cyclone Idai

The Humanitarian OpenStreetMap Team (HOT) has launched an activation to support humanitarian operations responding to the impact of Cyclone Idai. These efforts were already supported by more than 1500 mappers of the global OpenStreetMap (OSM) community that contribute geodata about … Read More

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HeiGIT supports Citizien Science @ Helmholtz ThinkCamp

We are always happy to support citizen science projects at the HeiGIT. HeiGIT/ GIScience efforts already range from tools that assess the data quality of citizen science projects (see, e.g., this blog post about “Plausible Parrots“) to approaches related to … Read More

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Die Sendung mit der Maus: Zu Fuß durch Deutschland

Das HeiGIT unterstützt das Bundesamt für Kartographie und Geodäsie (BKG) dabei eine Frage aus der “Die Maus”-Redaktion zu beantworten: Welcher ist Deutschlands nördlichster & südlichster Ort, und wie groß ist die fußläufige Distanz dazwischen? Der Beitrag war am 23.03.2019 in … Read More

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Preview: Spatial Joins using the OpenStreetMap History Database OSHDB

Max is two and loves spending Monday afternoons with his Dad at the playground. Finding a suitable playground however isn’t easy, since a few criteria must be met: there should be a bench and some trees nearby to get shelter … Read More

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Jupyter Notebook: ohsome API

Python is a widely used programming language, especially in the GIS world, to perform spatial analysis and create visualizations like diagrams. Combining python code, explanations and visualizations in one go, a Jupyter Notebook is a useful tool to achieve just … Read More

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openrouteservice Io is here!

openrouteservice Io is here! The openrouteservice from HeiGIT has just had its latest update, and we want to introduce you to Io (version 5.0). This new version brings something that has been a while in the making and will make … Read More

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Global analyses are ohsome

We, the Big Spatial Data Analytics Group at HeiGIT have ohsome news to share: From now on, you can send your requests to our global ohsome API instance. So far, we’ve had a public instance for Nepal and Germany, but … Read More

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Analysing semantic associations in VGI data

Volunteered Geographic Information (VGI) such as OpenStreetMap (OSM) can be a rich resource for many applications. Therefor VGI-projects have to mitigate between the requirements of the the volunteers and the machines. On the one hand, the data format should be … Read More

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