Questions tagged [qgis-plugins]
Software plugins that add functionality to the QGIS package
3,145 questions
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Duplicating a layer to create a virtual field on it with PyQGIS
In a plugin I want to create a duplicate of the selected layer and add a virtual field including some symbology to it.
I've tried the following, and it appears to do the what I want (imitate the "...
- 2,758
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Python error: Couldn't load plugin 'Geo-SAM'
I have installed GeoSAM plugin on my QGIS LTS 3.40.11 on windows 11, according to the instruction here.
All steps of python dependencies passed and I installed required packages there after. Now I am ...
- 327
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Geo-SAM in QGIS TypeError: '>=' not supported between instances of 'float' and 'tuple'
I have recently installed Geo-SAM as a plugin in my QGIS.
All the steps of installation were passed correctly. However as I try to use Image Encoder on an image I will get the error bellow :
Traceback ...
- 327
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2
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Python Plugins does not work on QGIS 3.44 (Fedora Linux)
Recently I migrated from windows to Fedora (KDE Plasma Desktop 42) and I'm suffering with several issues whit python based image analises plugins. Most of them seems like to be related to a ...
- 11
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QNEAT Iso-Areas, default speed and topography
I'm using QNEAT to create iso-areas that show walking distances (5&10 minutes/400m & 800m) from local services, but the area is very hilly and I'd like to factor this into the isochrone.
The ...
- 23
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How to connect SAGA GIS to QGIS 3.44 on Linux Mint
So, I was trying to connect the SAGA plugins on QGIS today and I followed the instructions on the plugin page: I added the plugin and downloaded the latest version of the tarbel file, saga-9.9.2.tar....
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Installation problem with Basic Terrain Analysis in SAGA plugin in QGIS
Loading resulting layers
Algorithm 'Fill Sinks (Wang & Liu)' finished
QGIS version: 3.40.11-Bratislava
QGIS code revision: df059ed19c
Qt version: 5.15.13
Python version: 3.12.11
GDAL version: 3.11....
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QGIS 3.40 Geometric Attributes plugin causes fatal exception crash
I am using the centerlines tool on a complex polygon shapefile. The data are projected in EPSG:27700 (British National Grid). Each time I use the plugin it causes QGIS to crash with the following ...
2
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2
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115
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Automatically invert certain colors on black canvas background
I am trying to setup my work environment with as much "dark mode" as possible. In QGIS I use the Night Mapping Theme and have to this day refrained from chaning the cavas background color to ...
- 845
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Editing Python code to fix errors [closed]
I have the error:
Traceback (most recent call last): File "_________ (removed personal data) default/python/plugins\SDEllipse\SDEllipse.py", line 127, in run self.dlg.progressBar.setValue(0....
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108
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PyQGIS signal for geometry completion before attribute form opens
I'm developing a QGIS plugin and need to execute custom logic at a very specific moment: right after a user completes drawing a new geometry in edit mode, but before the attribute form dialog opens.
...
- 1,111
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45
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Accessing plug-ins on QGIS while on Azure Virtual Desktop
We have recently had a cyber attack so have to work on a secure Azure Virtual Desktop (AVD; remote desktop) to keep files safe. I have worked with our IT department but we can't seem to find a way ...
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QGIS Python console highlights quoted text and text without closing quote
I suspect that this is hard coded into QGIS, but is there any way to avoid the colorizing of quoted text and the highlighting of text for which there is no closing quote?
- 181
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209
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Adding multiple shapefiles to one QGIS memory layer
It seems that typically a provider is linked to the layer upon import of a .shp file, which makes sense to me.
However, for QGIS version 3.40.5-Bratislava, I need to write a processing plugin that can ...
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2
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111
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Command to restart kernel of QGIS Python Console
In Spyder, I often use the GUI to restart the kernel to ensure that I have a clean slate.
I am using QGIS to access Python (not for GIS) on a system where I have no other way to get Python. I googled ...
- 181