Questions tagged [qgis-plugins]
Software plugins that add functionality to the QGIS package
2,886
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Qgis plugin, display image responses with known bounding box
I am building a gqis-plugin. The users will fill some parameters from ui and the response image will be displayed on qgis map.
There is a back-end service that serves images(png,webp,jpg) of given ...
- 21
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answers
19
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Plugin installation failed in QGIS 3.28 in macOS Catalina
I am trying to install any plugin (official ones) and I keep getting the following message:
Plugin installation failed: Failed to unzip the plugin package.
Probably it's broken or missing from the ...
3
votes
1
answer
35
views
Issue with QR code Layout item plug-in
I need through a QR code give an https address, with parameters, like https://MyWebSite/Mywebpage?Myparam=1234. The objective is to open a specific page of MyWebsite, and pass the parameter MyParam ...
- 546
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13
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Semi-Automatic Classification Plugin: Matplotlib error
I recently installed QGIS 3.22 in my MacOS system. But when I installed "Semi-Automatic Classification Plugin", this error occured:
Semi-Automatic Classification Plugin: Error. Check Python ...
1
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0
answers
25
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Plugin Zonal Statistics not available in 3.30 anymore
I would like to use the Plugin "Zonal Statistics" in 3.30 Version but can`t find it. I also downloaded it manually, but QGIS says "This plugin is incompatible with this version of QGIS&...
- 11
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26
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QNEAT3 Execution failed
I've been attempting to run a number of different processes within the QNEAT3 toolbox, however I keep on getting an error similar to the one seen in the image below:
Traceback (most recent call last):...
- 15
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answers
24
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QGIS Plugin : failing to change plugin language with qm files
I am currently having an issue when trying to associate 3 different languages (French, English and Spanish) to my plugin. The original language is French, and I want to swap to English or Spanish ...
3
votes
2
answers
196
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Generating lines at the end of each measurement with plugin in QGIS
It would be very useful to have a tool like this when measuring and even more useful to generate lines at the end of the operation.
I use this plugin which is part of a small GIS program (Map Maker 3....
- 2,365
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1
answer
33
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Error when importing another py and ui files in my QGIS plugin
I am currently trying to create a QGIS plugin with several windows, and it fails.
Here is what I did :
With QGIS tool Plugin Builder, I created a plugin my_test
This generated a folder with the 3 ...
0
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0
answers
15
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Using QGIS (with plug-ins) as an interface for editing and analysing RDF?
Colleagues in our spatial history project came up with the idea to use QGIS (with plug-ins) as an interface to edit and analyse spatial data stored in RDF format.
We are currently analysing these data ...
- 269
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39
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QGIS, QField and PostGIS offline work
I am doing some testing on using QField to collect some data, I created all the layers on PostgreSQL, and prepare all my layers in QGIS, then export all the layers as offline editing.
The Issue, When ...
- 11
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36
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Why does the SENTINEL-2 satellite imagery struggle to download on QGIS?
As soon as I start the download for any SENTINEL-2 satellite images, an error occurs that states that you should check the integrity of certain bands (image of the error attached). Then the download ...
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answers
12
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GIMP selection feature error: 'Not found profile' in QGIS 3.28.3-Firenze
I installed the GIMP selection feature plugin to QGIS. It seems to have installed correctly, but when I select a feature it doesn't register under 'Visibles images' in the GIMP selection feature box. ...
0
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answers
15
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Semi-automatic classification plugin - Conversion Problem
I'm trying to Preprocess Sentinel-2 Images to use for the classification in the SCP Plugin but I'm hitting a wall at the final step before inputting the Data as Training Input for the Plugin.
I did ...
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22
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QGIS Crashed while working in background thread
I implemented threading and all the GUI stuff in the main thread, I'm performing snapping and validation stuff in the background thread.
It works well but sometimes suddenly it stops and the progress ...
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1
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answers
31
views
PyQGIS Passing value from a canvasPressEvent of MapTool to form in a plugin
I am writing a plugin in QGIS 3.10.
I have a point layer and a line layer
I have a maptool that draws a line segment by snapping on the points of the point layer.
I managed to get the value of one ...
- 513
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answers
32
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Filling polygon with rectangles / boxes
How can I fill a polygon with X/Y rectangle polygons up to a given maximum area size?
Maximum size given as otherwise the number of resulting boxes will be infinite along the edges of course.
For ...
- 71
2
votes
1
answer
46
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Importing Bahrain building footprints from Bing Maps into QGIS
How can I import vector Building Footprints into QGIS from the Open Sourced updated Bing Footprints found here: https://minedbuildings.blob.core.windows.net/global-buildings/dataset-links.csv - maybe ...
- 97
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24
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'Month' and 'day' columns are being interpreted as characters (QGIS v. 3.28.3) in Python script. '1's are being converted to 'true'
I am working with .nc4 files from NASA's GES DISC website and need to extract certain data from these .nc4 files using associated .csv files that have the general structure below:
decimalLat
...
- 1
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59
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QGIS Smart Map Plugin - Error Running Interpolation
I am new to using the Smart-Map plugin. I added my data and did the ordinary Kriging interpolation. Just before it reaches 100% I get the following error message:
An error has occurred while executing ...
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answers
19
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Make route simulations without relying on an API key
I have to do multiple route simulations in QGIS. I have a shapefile with every walkable path in my study area (national park + surroundings).
I have seen that plugins like ORS Tools or Valhalla do ...
- 1
1
vote
2
answers
48
views
Connecting the boundaries of two polygons
I have a number of polygons with a section of 'empty space' between them, like this:
They are set up on the same layer, with different entries in the attribute table.
I'm looking for a way to join ...
- 23
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votes
1
answer
31
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PyQGIS seems to be converting dict into QVariant
I created a PyQGIS plug in that creates loops over the features on a layer to create the body of an API post request. However, when I try to run that API call I get an error telling me the json ...
0
votes
1
answer
73
views
QGIS Network problem - There is no route from start point to end point
I am working with QGIS 3.20.0-Odense, but the same problem persists in QGIS 3.22.16 'Białowieża'.
I am working on a distance matrix, supplemented by a vector of lines (network analisys) - The output ...
- 107
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0
answers
27
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Plugin where one can make shapefile (polygon) with help of coordinate values [duplicate]
Is there any plugins or method where one can easily make shapefile (polygon) with the help of coordinate values?
You can find in the attached file.
- 55
1
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answers
38
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What does ```__revision__ = '$Format:%H$'``` stand for?
I have seen several scripts with line __revision__ = '$Format:%H$' in their beginning. Most of them are related with QGIS plugins. It is reproduced with standard tests by QGIS plugin builder. They are ...
- 21
3
votes
1
answer
107
views
Simple PyQGIS code working in QGIS python console but not in Python plugin
I wrote a python plugin whose purpose is to import a raster and put it in a group.
My code works perfectly when I run it in the Python console of QGIS, but not when I run my plugin. The code is ...
- 1,114
2
votes
0
answers
54
views
Using non-spatial table in SQL in QGIS
I am running an MSSQL instance. The SQL Server gets populated with data from another database. Some of the tables contain XY coordinates in regular integer data type and not the geometry/geography ...
- 21
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63
views
Unable to run SAGA-Terrain Analysis-Fill sinks (wang&liu)
I am trying to do a Watershed analysis using QGIS. However if I want to run the SAGA function Fill sinks (Wang & Liu) I get an error that the 3 files were not created (full error down below). I ...
- 1
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answers
21
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QGIS - Add or overwrite the geometry of an existing record using the GUI interface
Is an existing tool, or plugin with editing tools, which would allow a user to edit geometries of existing records, but from already generated geometry on other layers.
Either
A) Insert a geometry (...
- 3,165
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votes
1
answer
60
views
Select Polygons in layer A with a specific geolocation criteria in relation to each other and layer B
I am trying to select Polygons from Layer A with the following rules:
Polygon in Layer A is smaller than 1 ha and further than 100 m from any other polygon in either Layer A or B that is greater than ...
- 9
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answers
28
views
How do I resolve 'Field 1' is not in list error message when uploading .csv file into QGIS
When I upload a .csv generated from kobocollect data file using ODKTrace2WKT plugin and select column with geoshapes in this case 'Field 1', I get the error message 'Field 1' is not in list. The ...
6
votes
1
answer
302
views
When moving label other labels disappear in QGIS
I have a set of points with labels set to lat and long generated using the
"Lat Lon Tools" plugin.
I want to move the labels using the move label tool.
When I move a label, the other labels ...
6
votes
1
answer
106
views
Calling "Remove empty layers" plugin from the Python Console in QGIS
I've stumbled upon a great plug-in called "Remove empty layers", developed by @Germán Carrillo.
I'm wondering if it's possible to use this plug-in in the Python Console.
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2
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answers
21
views
Raster Grid Editor in QGIS [closed]
I currently use QGIS to view, post-process, and conduct other mapping tasks that utilize a number of GeoTIFFs, some of which may be quite large in their overall dimensions/size. Consider the following ...
- 231
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22
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QGIS Cloud: Show Multiple Attributes in Popup
I'm trying to work with creating a web map in QGIS Cloud Free using QGIS 3.28.2 (Firenze). Trouble is, I cannot figure out how to show a full list of attributes when I click on a feature and open the ...
2
votes
0
answers
28
views
Calculate network distance from point layer to Hub layer in QGIS
I have a river network layer, a layer of 360 sampling sites and a layer of 700 facilities. I want to calculate the network distance only between sampling sites and facilities but between all sites and ...
- 33
1
vote
2
answers
66
views
Adding ToolButton Merge Selected Features to plugin
I've created my own plugin which also includes Standard QGIS-ToolButtons.
I've been trying to add the "Merge Selected Features" (Advanced Digitize Tool Bar) Tool into my Plugin.
How do I ...
- 61
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70
views
QGIS 3.22 does not display Google Earth after added as a XYZ tile
I am new to QGIS, I need to add Google Earth as an XYZ tile, I did this by clicking it, then hitting new connection then using the Google Earth link, and hitting okay. I then tried to view it but it ...
1
vote
1
answer
38
views
How to make/generate/extract quickly shapefiles of different countires?
How one can easily make/geenrate/extract the shapefile of countries or any shapefile quickly in QGIS? Is there any plugins to execute the administrative of countries within a minute?
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38
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Creating virtual environment using venv module through my QGIS Plugin
I am trying to create a virtual environment using venv module throuh my plugin main class.
This is what I have tried so far:
import venv
import subprocess
class MyPlugin:
def __init__(self, ...
- 147
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30
views
QGIS Profile Tool displaying inconsistent horizontal axis values
I am analyzing stream channel gradients on Mars. The workflow is essentially to grab a Mars DEM from the HiRISE website, reproject it into ASU's preferred Mars 2000 CRS, use the SAGA Basic Terrain ...
1
vote
1
answer
104
views
Troubles running LAStools on QGIS 3.28 Firenze. MAC, operational system MacOS 12.4
I ran into an issue of running the LAStools on QGIS. As it states in the subject, I have 3.28 Firenze version of QGIS, and it's operating on MacOS12.4
Every time I tried to run LASview, I get this ...
- 11
3
votes
1
answer
59
views
QGIS Plugin Builder doesn't create resources.qrc
I'm trying to follow steps from QGIS plugin creation tutorials.
Working with QGIS LTR (3.22.13-2)
Located at: [C:\OSGeo4W\bin]
Using the QGIS Plugin Builder, I get the (seemingly common) error, that ...
- 1,620
1
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0
answers
68
views
Styling the UI elements of Qt Designer through Plugin in QGIS
I am trying to style the UI elements built through Qt Designer(drag-drop) via the plugin for QGIS.
I have tried to import 'style.css' to the plugin main file, but it is not reflecting the changes in ...
- 147
1
vote
1
answer
100
views
Python error from QuickOSM plugin in QGIS
I cannot run the QuickOSM plugin in QGIS. I have tried reinstalling the plugin, even upgraded to another version of QGIS.
I get this error message:
Python error: An error has occurred while executing ...
0
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0
answers
59
views
How to update manually an R package in QGIS (folder rlibs)
I can't run an R script in QGIS because I need to update one package in the folder rlibs, which is where all the R packages are in QGIS.
Could someone tell me how to update manually a package in the ...
- 29
4
votes
1
answer
89
views
Change the symbology of a vector output layer that is returned from a processing tool?
I want to change the symbology of a Vector Output Layer that is Returned after running a Processing Tool. I am building a processing plugin. I am trying to make the effects reflect in the displayed ...
- 43
1
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0
answers
44
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GDAL Georefencer plugin is not displayed in plugins [duplicate]
When searching for the GDAL Georeferencer, it simply doesn't show, I've tried installing/uninstalling and looking for many answers online but couldn't find anything helpful.
I've only ever used this ...
- 11
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answers
22
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Getting wrong coordinate system with $y function [duplicate]
I have a shapefile that I need to add Lat Lon attributes to attribute table. I am using the $y but the number I get is not from the correct coordinate system I want. I have changed the coordinate ...
- 191