Where is the next shaded bench to escape the burning heat? Where can I play soccer within the city and later on have a barbecue with my friends? All of these questions require information about features of urban green spaces. … Read More
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Farm Shops are ohsome
Welcome back to another ohsome blog post. Today, we will present the results of a recent analysis performed by our student assistant Jascha, who took a look at the distribution and development of farm shops (in German: Hofläden) at different … Read More
Exploring OSM history: the example of health related amenities
Introduction Exploring how OpenStreetMap data developed over time across different administrative units might reveal interesting insights into the self organizing approach of the OSM communities and can potentially be used to derive intrinsic data quality indicators. It might even be … Read More
How to become ohsome part 5: Measuring numbers of users editing different OSM features
Besides dealing with a snake, making quality assessments, or generating comparable statistics, one needs to know how to handle the whole functionality provided by the ohsome API to really become ohsome. And to achieve exactly that, this blog presents the … Read More
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
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
Plausible Parrots – HeiGIT’s OSHDB Supports Research in Citizen Science Data Quality
In the GIScience research group at Heidelberg University, a recent PhD research project by Clemens Jacobs has been looking into the data quality of citizen science observations of organisms. This research aims at using geographic context as an information source … Read More
OpenStreetMap history explorer – ohsomeHeX published
The exploration of the history of OpenStreetMap data presents an important step to uncover semantic connections, regions of interest and their contiguity in time and space at varying scales. Therefore, the HeiGIT Big Spatial Data Analytics team presents a first … Read More
How to become ohsome part 3: Identifying different mapping schemes
This is your first blog of the ohsome series? Before you might be confronted with any potential spoilers, you should better check out the first and the second part of this blog series (or the intro to the idea and … Read More
How to become ohsome part 2: Comparing different regions based on their attributive completeness of OSM data
Welcome back to the second part of the blog series how to become ohsome. If you have not read the first part yet, better go and check it out now. It explains how you can create an ohsome visualization of … Read More
How to become ohsome part 1: Visualizing the historical evolution of OSM buildings of your city
This blog post is the start of a series of posts, which describe what you are able to do using the ohsome framework developed at the Heidelberg Institute of Geoinformation Technology (HeiGIT). OpenStreetMap (OSM), the biggest open map of our … Read More
Conceptual compliance analysis with the OSHDB, Part 2
In a previous blog post we performed a conceptual compliance analysis between OSM data and several tagging-guidelines using the OSHDB API. The results were visualized in a linechart, comparing the different compliance ratio over several months. In this post we explain … Read More
Spatial conceptual compliance analysis with the OpenStreetMap History Database (OSHDB)
In a previous blog post we performed a conceptual compliance analysis between OSM data and several tagging-guidelines using the OSHDB API. The results were visualized in a line chart, comparing the different compliance ratio over several months. The following analysis … Read More
Conceptual compliance analysis with the OSHDB, Part 1
Conceptual compliance measures to what degree contributors of volunteered geographic information (VGI) are using proposed tagging-standards. Here, we look into OpenStreetMap (OSM) as the most well-known example for VGI. In OSM the most important tagging-guideline is defined by its wiki. … Read More
Conceptual compliance analysis with the OpenStreetMap History Database (OSHDB)
Conceptual compliance measures to what degree contributors of volunteered geographic information (VGI) are using proposed tagging-standards. Here, we look into OpenStreetMap (OSM) as the most well-known example for VGI. In OSM the most important tagging guideline is defined by its … Read More
Explore the ohsome OSM History of whole Germany
Our new ohsome dashboard is another preview on what is and will be possible with our ohsome OpenStreetMap history analytics platform. Behind the scenes, we added support for the Apache Ignite big data framework and deployed an instance using the … Read More
Documentation of the Ohsome API
In a previous blog post we introduced the REST-based interface of our framework Ohsome (the OpenStreetmap History Analytics plattform) and gave an example link of a request. This blog post aims to give you some further information about the documentation … Read More
Analyse HOT Tasking Manager Projects with the ohsome API
In this example we show you how to use a Jupyter Notebook with the ohsome API to analyse mapping efforts for a HOT Tasking Manager project in Nepal!
Ohsome – a high level architectural overview of the OSM History Analytics platform
Recently we introduced the ohsome platform for OSM History Analytics. Now we want to give you a high-level overview of the ohsome platform and the components it consists of. Ohsome API The ohsome platform is based on a three-layers API … Read More
The Ohsome API: dynamic OSM statistics for real-world applications
The Ohsome API, developed at HeiGIT, is part of the ohsome OSM history analytics platform (and yes, it is pronounced like the word “awesome” 😉. It serves as the connection between the OpenStreetMap History Database (OSHDB) and possible frontends, such … Read More