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I'm using the GRASS v.net.salesman in QGIS to find the shortest route between some American colleges on the road network. … QGIS version: 3.24.1-Tisler QGIS code revision: 5709b82461 Qt version: 5.12.8 Python version: 3.8.10 GDAL version: 3.4.0 GEOS version: 3.10.1-CAPI-1.16.0 PROJ version: Rel. 8.2.0, November 1st, 2021 PDAL …

Install QGIS in a new environment as follows: conda create -n <my-qgis-env> -c conda-forge qgis gdal=3.3 After doings so, QGIS will launch successfully. … in the future if higher versions of QGIS make their way into conda-forge. …

I install it a new environment with: conda create -n qgis-test -c conda-forge qgis I activate the environment and try to launch QGIS at the command line. … For what it's worth, where qgis indicates that I am running the expected binary (C:\Miniconda3\envs\qgis-test\Library\bin\qgis.exe), and C:\Miniconda3\envs\qgis-test\Library\bin\gdal304.dll does in fact …

I teach GIS at Temple University and we have QGIS set up on kiosk computers in our computer classrooms (i.e., always-on, generic user, no login required). … (The former are necessary for QGIS < 3, the latter for QGIS 3+. …

If you remove the Python-managed PyQt5 and instead install the OS version, QGIS should launch. …

A colleague's team has been using the eVis plugin in QGIS to store research photos. eVis relies upon a filepath or URL stored in the data source (shapefile, Spatialite db, etc.). … Is there a way that QGIS (or a plugin) can display photos stored as BLOBs in a Spatialite or PostGIS database? …

I recommend using QGIS DB Manager instead, which returns the desired floating point result, as shown here: …

.> However, adding the shapefile directly to QGIS only showed 3221 rows. This was a clue that the geometries for the missing rows were NULL or invalid. …

I am using the QGIS OpenLayers plugin to add a basemap in a project. The plugin must be choosing some zoom level to request for display. … How can the zoom level be adjusted when using the QGIS OpenLayers plugin? …

Example: When one moves files around, data may not be where QGIS expects to find it. On opening the *.qgs file, the Handle Bad Layers dialog appears. …

I am also using QGIS 2.14.3 (on Linux Mint 17.2), but I do not have the option of this data type. I therefore can't test the error you are experiencing. I only have the option of "Text (string)". …

First, you should realize that this is more of a general Postgres question, since all Postgres databases can be backup up, whether or not they are PostGIS. If you find you need more detailed answers, …

qgis-ltr-full is a metapackage. I don't know exactly what packages it selects, but I believe it might select things like qgis-globe-plugin and qgis-grass-plugin in addition to qgis-ltr. … I would strongly consider installing qgis package, which is at version 2.14.2, instead of qgis-ltr. (If you choose QGIS in the Express Desktop Install, this is what you'll end up with.) …

Basically, you are "changing" the vector datasource to what it already was, but this forces QGIS to reload the layer definition. Tested in QGIS 2.14 on Linux Mint 17.2. …

QGIS relies upon the EPSG database, and since EPSG is a list of Earth-based CRSes, I don't think QGIS gives you a way to load your data in a "non-geographic" CRS. … Note that you should not load your data in a lat-long system (like WGS 84), because many GISes (like QGIS) will automatically convert distance and areal measurements from decimal degrees to meters. …