Tag: ohsome
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Recent changes to OpenStreetMap healthcare infrastructure in India
India accounts for nearly 18% of the worlds population. The country is also one of the main carrier of the worlds disease burden. Despite the general increase in life expectancy and decreasing mortality due to communicable diseases and malnutrition in recent years, the numbers of non-communicable diseases are rising substantially. Cardiovascular diseases such as diabetes and…
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Exploring Localness of OSM Data – An analysis using the ohsome API
“Local Knowledge” is constituting the exceptional value of Volunteered Geographical Information and thus also considered as an important indicator of data quality. We are interested in how much local information is captured in OpenStreetMap data. In this blog post we explore the temporal evolution of mapping in OSM and the information stored in its database,…
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Neu: Globale OSM History Analysen mit ohsomeHeX v1.0
Erhalten Sie mit ohsomeHeX wertvolle Einblicke in die Qualität und den Entwicklungsprozess von OpenStreetMap-Daten! (see for english version here) Das HeiGIT Big Data Team freut sich zur Exploration der Veränderungen der globalen Daten in OpenStreetMap nun eine Version 1.0 von ohsomeHeX , dem OSM History eXplorer zu veröffentlichen, die eine komplett überarbeitete Benutzeroberfläche bietet. Diese macht es einfacher…
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OSM History Analysis with ohsomeHeX v1.0
Get valuable insights into the quality and development process of OpenStreetMap data with ohsomeHeX! We are proud to announce a new release that provides a completely redesigned UI that makes it easier to keep track of all relevant information. Choose one or more topics, choose different areas of interest and let ohsomeHeX create comparison graphs…
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Regional Variations of Context-based Association Rules in OpenStreetMap
As a user‐generated map of the whole world, OpenStreetMap (OSM) provides valuable information about the natural and built environment. However, the spatial heterogeneity of the data due to cultural differences and the spatially varying mapping process makes the extraction of reliable information difficult. A newly published study investigates the variability of association rules extracted from…
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Sucessfull HeiKA autumn school urban data science
The HeiKA autumn school urban data science that took place last week was a good success with participating students varying between five and fifteen during the week. Topics covered included visualization, spatial statistics, analysis of movement data, intrinsic data quality assessment based on the ohsome API and the use of the openrouteservice API. Hands-on exercises…
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Participate in the virtual Copernikus Hackathon 16-17-18 October! HeiGIT contributes with OSM based services
On October 16-18 there is the Copernicus Hackathon “Barcelona” – Integrating Copernicus services and state-of-the-art tools within Weather-induced emergency management HeiGIT is involved in the Copernicus Hackathon by providing free and open web-based services and APIs which leverage OpenStreetMap data as valuable tools for disaster management. The HeiGIT services include: OpenRouteService API, sources, and clients,…
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HeiGIT presentation at MSF GIS Week 2020
This Thursday, team members from HeiGIT will give a presentation at MSF’s Annual GIS Week. This is an internal event at MSF ( Médecins Sans Frontières (MSF) International, Doctors without Borders), which brings together all employees working on GIS and geographic information management related topics. Our “OSM Data Dive” session will provide an introduction to OpenStreetMap…
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How to become ohsome part 8 – complex analysis with the magical filter parameter
It’s CITY CYCLING time – some of you may even be involved in your municipality – a good opportunity to have a look on the OpenStreetMap (OSM) cycling ways in our city Heidelberg. Welcome to part 8 of our how to become ohsome blog post series. This time we will show you how to set…
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ohsome API v1.1 – changes and new functionalities
Recently we’ve had the first minor release 1.1 of the ohsome API, which brings several new features and upgrades. In the following lines we want to present to you the most important ones. Prior to 1.1, when you were requesting data through one of our data extraction endpoints, you would always get the geometries clipped…
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A Comprehensive Framework for Intrinsic OpenStreetMap Quality Analysis among Most Cited Paper in Transactions in GIS
We are happy to share that our paper “A Comprehensive Framework for Intrinsic OpenStreetMap Quality Analysis” (Barron, Neis, Zipf 2013) belongs to the top 5 most cited papers of the international journal “Transaction in GIS” (TGIS). Only recently we became aware of this. Thank you for considering this work. Certainly this paper influenced also our…
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We wish you an ohsome birthday OpenStreetMap! Our gift: the new ohsome2X time-series tool
#OpenStreetMap is turning 16! Happy Birthday from the HeiGIT team. 16 years of OSM activity has created the most feature rich and global free multi purpose map that the world has ever seen. The ohsome team at HeiGIT has created several tools and technologies to have a closer look into that history of OSM edits…