Tag: ohsome

  • Integration of OQT into the ohsome dashboard: Computing data quality metrics for OpenStreetMap

    The ohsome dashboard has been and continues to be an easy access point to generate accurate statistics about the historical development of OpenStreetMap data for arbitrary regions. Now, the ohsome dashboard got extended to be able to compute data quality metrics for OpenStreetMap through the ohsome quality analyst (OQT) which is also developed by HeiGIT. The source code is now…

  • How to become ohsome part 15- Analysing Changes in OSM after the Earthquake in Syria and Türkiye in February 2023

    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, you can check out the previous issues (like this one) or the ohsome Region of…

  • 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, 0.6, 0.7, and all the other small improvements to our historical OpenStreetMap database as the…

  • 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 at GIScience. The offer is included as text below! You are interested in enhancing methods for analyzing & improving OpenStreetMap data? You are an experienced Spatial Data Scientist innovating geoinformatics methods & workflows? You have profound hands-on experience…

  • 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 is all about reaching 10 billion objects in OpenStreetMap. For the database to aggregate such…

  • Near realtime OpenStreetMap data and stats: OSHDB and ohsome API are now updated hourly

    We have exciting ohsome news! As many of you know, past OSHDB updates happened weekly and led to a delay between the data in OpenStreetMap (OSM) and our database. Basically, you had to wait up to a week to see changes in OSM reflected in the OSHDB. From this point forward, that lag is a…

  • ohsome Region of the month – Temporal OSM developments in Kyiv

    Welcome back to our ohsome region of the month series! In this post, we’ll take a look at the temporal development of highways and added smoothness-information, as well as social facilities and updates on map development for Kyiv. Before we start, if you’re new to the series, make sure to check out previous installments of…

  • ohsomeHeX with Quality indication from OQT

    The HeiGIT team had a great time at the State of the Map 2022 in Florence. Many thanks to the participants for the fruitful discussions at our workshop! Despite the direct use of OSM as a map, more and more organizations use OSM as a source of data for activities, services, or applications. “How good…

  • New feature addition to Ohsome Quality analysT: Building Completeness Indicator

    Introduction Since the release of the ohsome quality analyst (short OQT) in February of last year, we have been working on developing an accessible yet powerful toolkit which provides end users insights on the quality of OpenStreetMap (OSM) data. An overview of the functionality additions made to OQT over this period of time can be found…

  • How to become ohsome part 14 – Advanced dashboarding

    Hello again and welcome back to our “How to become ohsome” series where we demonstrate how you too can become ohsome with ohsome API! If you’re new to the series or need a refresher, check out the older installments in our series, like this or this one covering the various ways of accessing ohsome API. And now to our…

  • How to become ohsome part 13 – An ohsome way to check if OSM is up to date

    At long last, welcome to another addition of our How to become ohsome-series! This one is special because we’re discussing a third-party application that uses ohsome API as back-end to accumulate historical OSM data. Although this innovation isn’t directly about our API, it’s close enough (and exciting enough) to merit inclusion and just one more opportunity for…

  • ohsomeHeX lite-mode: Mobile friendly ohsomeHeX

    In the modern technological age, mobile application are necessary to reach out to the masses. Therefore, it’s critical for any web application to be available through mobile devices. In the case of ohsomeHeX, enabling use on mobile devices requires overcoming the challenging of screen space use. The application utilizes significant screen space for its side…