unknown CSR | Blog GIS & Territories

9 May 20235 May 2023 Atilio Francois No Comments

QGis

Perry-Castañeda Library-southern europe 1943 maps: How to georeference?

The Perry-Castañeda Library Map Collection, located at the University of Texas, is one of the largest digital map collections in the world. This collection contains maps of all continents and many countries, as well as topographic,…

1 May 20232 May 2023 Atilio Francois No Comments

QGis

How to find the coordinate system of a layer with QGis 3.X?

When working with spatial data in GIS software, you regularly encounter the problem of files that lack a clearly defined coordinate system. When a file lacks its coordinate system (CSR), it can lead to misaligned layers,…

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.
Atilio Francois on Portable version of QGis 3.32.07 May 2025
Hello The problem with the portable version is that it's very dependent on the particular configuration of the machine. The…
NotFred on Portable version of QGis 3.32.07 May 2025
I have never had QGIS installed in my machine (it's a brand new laptop) and I get the same error,…
Atilio Francois on Portable version of QGis 3.32.028 April 2025
The file is present in the download ...\QGIS 3.32.0\QGIS 3.32.0\apps\qgis\bin The error message probably comes from a previous installation of…