Joining Data with the Placekey QGIS Plugin
Placekey is a free address and point-of-interest (POI) matching tool that is now integrated with QGIS via the Placekey Connector Plugin. Placekey does the work of address and…
OSM, PostGIS and Docker: an approach for automatic processing
In the summer of 2019 Michael Marz started to extract most important items from OpenStreetMap and published those extracts as geopackages on his webpage. Back then I looked…
Automated UI tests with AutoIt for QGIS
I hate testing! Yet I do understand that it is crucial for a good software solution. As I am often confronted with GUIs, I asked myself how to…
qgis2web in the wild
There are plenty of webmapping services out there. The best known might be mapbox, carto, arcgis online, google maps. But what they all share: they do not come…
Run GIS functions directly in Python with GeoPandas
GeoPandas, once installed, supports you with a handfull of GIS functions in your Python notebooks and will leverage your work with geospatial data. But to be honest: this…
How to create a custom Web AppBuilder Widget for your Portal with ORS
In the recent years I often worked with ArcGIS Portal / Enterprise and fell in love with the idea of writing widgets which I can use in the…
GDEM V3 vs SRTM 1: a comparison
Some time has past since I last wrote a DEM comparison, comparing ALOS World with SRTM 1 and GDEM V2 with SRTM 3. But as NASA and METI…
QGIS2web with interactive filters
It’s been a while, since I last developed things for qgis2web. To be honest: I lost focus on the whole project after we decided to merge qgis2leaf with…
Comparing Isochrone APIs: an insight into different providers
In the past I was working on different plugins to connect with multiple APIs and use their isochrone endpoints in QGIS. Let me summarize some of my findings…
ArcGIS REST API and QGIS: a practical example
The ArcGIS REST API provides some interesting endpoints which can be used for free with a developer account. But how to do this in QGIS as you might…
Places of Interest in QGIS: HQGIS
The OSM based QuickOSM plugin offers a great way to download some data from OSM. As an alternative I am developing HQGIS which offers an easy way to…
Geocoding with Microsoft’s Azure Maps
API’s are getting more and more important as some (maybe the majority?) of GIS users don’t want to handle large datasets, don’t want to care about addresses and…