Unless stated otherwise, the source of this site is available at https://github.com/penpendede/mapintosh.de.
Please note that this site is not primarily about the actual maps available here but to illustrate ways in which you can use maps and location-related information.
For what I have been using for the maps below see penpende.de
Some online maps I created
|Districts of Bonn||2020-05-30||2020-05-29||city districts limits are taken from opendata.bonn.de and then processed by a tiny shell script you may find interesting.||selected districts are shown in color, everything else is dimmed out|
|METAR (weather) data for airports||2020-09-12||2020-09-13||provides access to wether information for airports worldwide. The source of this project is available at github.com/penpendede/airportWeather||now using a git submodule for airportWeather|
|OSM Map of Bonn||2020-05-29||2020-05-24||accompanies Installing a tile server on a Raspberry Pi 4||use minimized fileslocal, pre-rendered tilesadded grayscale renderingmaximize button|
|Porto||2020-05-29||2020-05-24||accompanies Making use of OpenStreetMap||
|Recycling in Bonn||2020-06-02||2020-06-02||Part of getData.js deals with fixing issues with the original data. Once they are fixed the original script will remain available as it illustrates how command-line tools can be used to fix certain issues with GeoJSON files.||-|
|all stolpersteins from the OSM database||2020-11-15||2020-11-10||an overview of the thousands of stolperteins that have already been added to the OSM database||Using tab separated values instead of geoJSON, considerably reducing the amount of data that needs to be transferred.|
|Trees in Bonn||2020-05-31||2020-05-31||Visualizes trees in public space (streets, parks) within the city limits of Bonn and provides the species as well as the age (open data, over 60k entries). It also shows how you can visualize such a huge dataset and still have Leaflet render it very rapidly. It uses open data from https://opendata.bonn.de/dataset/baumstandorte released under CC0||-|
QGIS is a free and open source geographic information system for the desktop that is available for many platforms.
|Stolpersteine in Bonn||2020-06-10||2020-06-10||-||
A QGIS project that has all stolpersteine in Bonn. The GeoPackage file was generated using QGIS and a cute plugin that queries the OSM database. Description how to generated it will follow. For now you can
You don't already have QGIS? No problem, it is available for most platforms at qgis.org.