Fractal dimensions or how to generalize geometries in Python and how it...
For todays 30dayMapChallenge: Process I was processing a coastline dataset for Norway, trying to find out about the fractal dimension. osmdata.openstreetmap.de has a nice extract of this here:… The...
View ArticleMap Challenge – Day 2 (lines): Straightening the A2
Day 2 of the 30daymapchallenge focused on cleaning and preparing the A2 motorway data before creating a straightened schematic line. Raw geospatial data is rarely perfect, and getting… The post Map...
View Article🗺️ Turning a Simple Excel Table into a Map — My #30DayMapChallenge Story
For this year’s #30DayMapChallenge day one points, I wanted to do something lightweight:just take one of those never-ending Excel tables that everyone in GIS seems to have lying… The post 🗺️ Turning a...
View ArticleCreate Pseudo 3D Topographies in QGIS
John Nelson did it again and amazed us by recreating AI topographic images with ArcGIS Pro. He showed the process in his latest youtube video. You may ask… The post Create Pseudo 3D Topographies in...
View ArticleCreate your own vector basemaps the easy way
Basemaps are a web cartographers best friend, aren’t they. There are plenty of them online, ready to be embedded in your upcoming nice web map application. In this… The post Create your own vector...
View ArticleHow to use PyQGIS as standalone script on Ubuntu
Today I wanted to hack together a standalone script using PyQGIS, the QGIS Python bindings, to write a small prototype. I hadn’t written such a standalone script yet,… The post How to use PyQGIS as...
View ArticleJoining 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… The post Joining Data...
View ArticleAutomated 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… The post Automated UI tests with AutoIt for QGIS appeared...
View Articleqgis2web 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… The post qgis2web in the wild appeared...
View ArticleShort Note: export layers to PostGIS with Processing
When using QGIS along with PostGIS you might want to publish data directly from inside QGIS into your PostGIS database. This is not only convenient as you don’t need to change the software of use but...
View ArticleCopernicus, 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...
View Articleopenrouteservice v4.5 is released
We’re happy to announce the release of v4.5 of openrouteservice, which exposes unique services for two of our core API’s, routing and isochrones. Now you can restrict routes to avoid crossing borders...
View ArticleQGIS 3 officially released
On 24th of February, the QGIS developers have officially released QGIS 3 (codename “Girona”). It is the third major version of the free and open source cross-platform GIS software. In this post, I want...
View ArticleDonut 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 total sense in the real world (house with a patio,...
View ArticleShort Note: export layers to PostGIS with Processing
When using QGIS along with PostGIS you might want to publish data directly from inside QGIS into your PostGIS database. This is not only convenient as you don’t need to change the software of use but...
View ArticleCopernicus, 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...
View Articleopenrouteservice v4.5 is released
We’re happy to announce the release of v4.5 of openrouteservice, which exposes unique services for two of our core API’s, routing and isochrones. Now you can restrict routes to avoid crossing borders...
View ArticleQGIS 3 officially released
On 24th of February, the QGIS developers have officially released QGIS 3 (codename “Girona”). It is the third major version of the free and open source cross-platform GIS software. In this post, I want...
View ArticleDonut 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 total sense in the real world (house with a patio,...
View ArticleShort Announcement: New OSM routing plugin for QGIS OSM Tools
Two years ago I wrote the OSMroute plugin which enable the QGIS user to use the OpenRouteService API for geocoding of points, accessibility analysis as well as routing from A to B. Unfortunately the...
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