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How to install Python add- ons for ArcGis and QGis

For those who are not familiar with the oddities related to the use of Python add- ons , the almost unavoidable pitfall installation of the module. You will find yourself with a .tar.gz file and…

The ArcGis spatial temporal :2-hot and cold spots

In the Previous article ( The ArcGis Spatial-Temporal Cube : 1- discovery ) we discussed how to create a spatial-temporal cube from a cloud of XYZ points. The points are grouped into ” boxes ” (bins) corresponding to…

Atilio Francois on How to develop an application with pgrouting in Windows (1)25 August 2025
You're right — since 2019 Geofabrik no longer provides plain `.osm` files, only the compressed `.osm.pbf` format. The tool **osm2pgrouting**…
Simon on How to develop an application with pgrouting in Windows (1)25 August 2025
The osm downloads don't appear to be available, just osm.pfb And osm2pgrouting on Windows doesn't like pbf "not well formed…
Arno on Portable version of QGis 3.32.021 August 2025
I just want to thank you. It works.
Atilio Francois on Portable version of QGis 3.32.015 May 2025
What is the link between the qgis update and the portable version? A portable version cannot be updated; it must…
Hugo on Portable version of QGis 3.32.014 May 2025
For me, the error message complaining that qgis_app.dll is missing started appearing following the most recent QGIS update.