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…
Category: ArcGIS
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…
Vessel tracking the python way
Let’s assume you like cruise ships, tanker, ferries or you’re so fortunate and own a fleet of vessels cruising over the oceans. But where the heck are the…
Query OpenStreetMap in ArcGIS: OSMQuery
QUickOSM is my weapon of choice when it comes to downloading data from OSM in QGIS. The tool offers an easy way to access tag/key combinations with a…
Copernicus, Sentinel and your favourite GIS
The Copernicus Program provides an interesting alternative data source for your work with Landsat data… Sentinel images: Copernicus will deliver an unprecedented volume of free data, provide new…
ArcGIS Online (AGOL) for free: The Developer Way
You might have heard of ArcGIS Online (AGOL) already: ArcGIS Online is a complete, cloud-based mapping platform. Make and share beautiful maps, and do everything in between. It’s…
Donut Polygons in QGIS, ArcMap, ArcGIS Pro and geoJSON
Donut Polygons were the nightmare in first GIS courses. At the very moment I can’t remember why but the concept of an inner and an outer part makes…
Short Announcement: PlayMapsCube using Three.JS
We all played around with this little thing: wood labyrinths with one or many little balls called a “Ball-in-a-maze puzzle”. The goal was to find a path through…
Some ways to produce topographic swath profiles
For a geomorphological study that I am working on I want to produce topographic swath profiles across a mountain range, that is, I want the average elevation along…
Geocoding in GIS: ArcGIS, QGIS, Leaflet
The recent move from the Mongolian Post to use W3W as their new address system shed a new light on the question: Where are addresses located and how…
PostgreSQL and PostGIS: A brief introduction
You probably seen this already (maybe on your very own PC as well): A folder with shape files. Well we’re living in the 21st century and I do…
From Cloud to GIS: Getting Weather Data.
Introduction In this post we are going to look at how to get weather forecast data and display it as a layer in a desktop geographical information system…