Questions tagged [qgis-plugins]

Software plugins that add functionality to the QGIS package

Filter by
Sorted by
Tagged with
0
votes
1answer
48 views

Temporal/Spectral Profile Tool: Python error - QGIS 3.16 macOS Catalina

"Temporal/Spectral Profile Tool"-plugin runs into a Python error (below: reports import error in last two lines, entire error message is 14 lines): QGIS 3.16.13 on mac 10.15.7, running Qt 5....
3
votes
1answer
70 views

Changing output layer's name in QGIS processing plugin

I am writing a plugin to convert degree to DMS format. I want to name the output layer containing name of source layer. For example source layer name 'Polygons_WGS84', output layer '...
0
votes
2answers
34 views

Automatically install third party Python library to QGIS while first install of custom plugin (Windows)

I've developed a QGIS plugin that needs to have installed external libraries to work. While I was working I've installed those libraries with pip command via osgeo4W shell but I don't want to each one ...
0
votes
0answers
24 views

Error reading repository for QGIS Python Plugin does not contain metadata

I am trying to load HERE icon library by adding git repo following https://github.com/cedricr/here-icons-qgis. The configuration was setup as shown in the image, which results in error stating it ...
-1
votes
1answer
105 views

Cartogram3 plugin for QGIS still working?

Is the Cartogram3 plugin still working? I get an error message every time I try to run it and have heard from others that it may no longer be operational.
1
vote
1answer
44 views

Displaying QgsMessageBar from plugin

As suggested in docs, the QGIS message bar is usually the best option to show short messages communicating with the user. Is it possible to show the QGIS message bar inside a plugin's GUI developed ...
1
vote
0answers
100 views

QGIS Processing Plugin works but opens new QGIS with critical warnings

I've developed a QGIS Processing plugin that takes an input of tweet IDs, gets their metadata and then extracts their coordinates to plot points. It works but it also causes a new QGIS window to open ...
0
votes
0answers
22 views

Geomorphic Flood Area (GFA) Plugin not working

I tried to install QGIS 2.18 and use GFA plugin it has error about numpy+mkl. Then I use QGIS 2.14 but cannot install GFA because QGIS repository connection unavailable. Then I use another PC which ...
1
vote
0answers
28 views

Displaying attribute name in .html file by QGIS2Web

In QGIS file I have many attributes in my shapefile: Then I export file to .html by QGIS2Web plugin: But when I click in .html file on my object(shapefile), there are no names of attributes, just ...
2
votes
1answer
41 views

Selecting fields in NNJoin plugin

I want to know if there is the possibility to choose only the desired fields for each layer that will appear in the output layer on the NNJoin plugin. If so, how can I do it?
0
votes
0answers
33 views

Joined attributes by location ERROR not find some attributes

I have two layers to join attributes by location: a. road map (attributes=segments of roads) b. fastest path (with shortest path from layer to point plugin going over "road map") to identify ...
-1
votes
1answer
24 views

Toggle "PreviewAtlas" with PyQGIS

I am working on a plugin which should generate various atlas views based on some parameter. After choosing some variables, the LayoutDesigner should be opened with all the predefined options - this ...
0
votes
0answers
25 views

Converting GeoJSON to COCO using QGIS

I am working on deep learning project on which I need to convert GeoJSON to COCO format to run the evaluation pipeline. From my research I couldn't find any tooling for such a conversion. I know CVAT ...
3
votes
1answer
131 views

Making custom widget visible as layout element for printing in QGIS with PyQGIS

I need to make a widget visible as a layout element for printing, for a QGIS plugin I am developing. Which of the classes do I need to extend to do this? After some research I think I begin to discern ...
2
votes
0answers
26 views

Debugging QGIS plugin using pdb

I typically use pdb for debugging. However, when I follow the docs for debugging with pdb, I get the error: input(): lost sys.stdin I'm developing my plugin straight out of the load directory: %...
2
votes
1answer
40 views

QGIS 3 - Model Designer - PostgreSQL execute and load SQL- Change output name

I am using the Model Designer in QGIS to create a tool and I am using the PostgreSQL execute and load SQL algorithm to add my query. The output is a layer loaded in QGIS named SQL layer. Is there a ...
2
votes
1answer
91 views

Accessing and interacting with widget of form annotation using PyQGIS

I am working on a plugin to display and interact with graphics, which are visible in the view and layout. Form annotations are a great alternative for this. The form annotations (QgsFormAnnotation) ...
7
votes
1answer
81 views

Layer not repainting using PyQGIS

I'm trying to change the color ramp for a raster layer using PyQGIS. What I have works, but the layer doesn't redraw. However, if I open the layer properties and click "Apply", the map ...
0
votes
0answers
120 views

QGIS - gdal installed but missing when trying to load plugin

I'm trying to use the plugin RS&GIS on my work machine (after successfully having used it on my private machine), but the plugin won't load and shows the following error: Couldn't load plugin '...
0
votes
1answer
31 views

Module Not Found Error: No module named 'gdal' when installing RS&GIS, a QGIS Plugin

So I'm trying to create a Land Surface Temperature (LST) using the RS&GIS plugin in QGIS. When finished installing the RS&GIS plugin, I get an error massage says Couldn't load plugin 'NITK_RS-...
2
votes
1answer
100 views

QGIS crashing on custom processing plugin

I am pretty new to Python and QGIS but I am trying to create an algorithm for a processing plugin that will import a CSV of Tweet IDs. It then hydrates them using the Twarc Python library to get a CSV ...
3
votes
4answers
200 views

QGIS 3.20 can't load plugin DirectionalSlope, no module named 'gdal', on Windows 10

I use the standalone version of QGIS 3.20 and I'm trying to install the Plugin DirectionalSlope. However, when I click the install button this error appears: ModuleNotFoundError: No module named '...
0
votes
0answers
53 views

Dimensioning with QAD plugin - Broken Dropdown

I would like to use the QAD plugin to draw some dimensions in my plans. But it doesn't work, because the dropdown to define the dimension style of the Text does not work. It just doesn't open and now ...
1
vote
0answers
23 views

QGIS customize toolbar plugin looses items

On QGIS 3.16.8 I created different custom toolbars. For one of those and only for one specific item "Add Point Feature": it would disappear every time I open QGIS again (even if I save the ...
1
vote
1answer
73 views

QGIS plugin open the dialog window on right click on map

I am trying to execute a code on Left Click and Right Click should stop code execution and reopen the plugin dialog. My code: This class is created for mouse click on the map. Here I do not really ...
1
vote
0answers
45 views

Installing third party plugin on QGIS with Mac

I have downloaded a zip file containing a third party plug-in for QGIS3.6 (named AVHYAS, downloaded from https://vedas.sac.gov.in/en/download.html). The plug-in was installed via Plugins -> Manage ...
3
votes
1answer
97 views

"This area is too big to download" from the Planet Explorer plugin in QGIS

I am trying to get a satellite image for the entire of India in March 2020. When I had first installed the Planet_Explorer plugin and put in my criteria, I was able to see all the base maps for the ...
2
votes
1answer
42 views

Why can't I see the symbol of new polygon object in my custom toolbar

I have added a number of function in a custom toolbar with the plugin Customize Toolbars but two functions doesn't show up but they are still chosen? What am I doing wrong? The two is (1) add a new ...
0
votes
0answers
19 views

Splitting polygon based on area m2 into multiple areas using QGIS? [duplicate]

I have version 3.4.15 of QGIS. I tried to use the split polygons plugin to split an area of ​​1000m into several surfaces. Ex: 300,200,500 ... and I received an error. Traceback (most recent call ...
0
votes
0answers
17 views

Referencing QGIS Plugin for publication

To begin with, do I need to reference a QGIS Plugin that I used in the methods? I have been told that I do. If so, how do I reference it? I am looking specifically at the Georeferencer Plugin and can'...
2
votes
0answers
55 views

Draw line while moving label from point feature [closed]

Point feature has a field name which is used to display information about the feature in map canvas. Label can be move with label and diagram move tool .At the time of moving I want to draw the line ...
2
votes
1answer
157 views

Merging or combining multiple *.XYZ data into one *.XYZ form using QGIS

I have multiple ".xyz" format coordinate files (50 files), I want to merge or combine all these 50 files into one ".xyz" format file. Above image shows how my date look like. Is ...
1
vote
1answer
31 views

Marking detections in shapefile using PyQGIS

I am trying to create a plugin that automatically detects objects in a selected layer and marks these items with a circle (not a point, as the radius is important) and outputs all detections as a ...
0
votes
0answers
33 views

Using Join Multiple Lines Plugin for QGIS

I am using the Join Multiple Lines plugin for QGIS Hannover to join segments of a watercourse layer and while it seems simple enough, it just doesn't work. I select the segments I want joined, select ...
1
vote
0answers
20 views

Why is the preview in SCP working, but the actual classification not?

I am using the Semi-automatic Classification Plugin (SCP) to classify Sentinel and Landsat satellite imagery. I have training ROIs saved in a file (.scp) and (re)calculated their spectral signatures. ...
2
votes
1answer
67 views

PyQGIS: Load selected style categories with loadNamedStyle()

I would like to load a specific category of the default style of a layer. Layer and style are stored in a Postgres database. The loadDefaultStyle function doesn't take arguments, so I tried this from ...
0
votes
0answers
73 views

Convert .qgz (or .qgs) to .mxd?

Is there any way to convert a QGIS project (format .qgz or .qgs) to ESRI's ArcMap map (format .mxd)? A QGIS plugin would be helpful.
1
vote
0answers
24 views

Moving elements together from two different layers

How can I move elements together from two different layers? I have to move element which consist of three separate elements on three separate layers. I attach a screenshot below. So is it possible? ...
1
vote
1answer
148 views

Running standalone script into plugin with Button Click

Below code can be use to get the X,Y Coordinate of clicked location . class PrintSnappedPoint(QgsMapToolEmitPoint): def __init__(self, canvas): self.canvas = canvas ...
2
votes
1answer
82 views

How can I store a project or global variable that references an object PyQGIS? [closed]

I am working on an expression that creates an object, Specifically, I am creating a connection to a database (cursor), which remains available until it is closed. I need the reference to the object to ...
-1
votes
1answer
103 views

Is it possible to host QGIS on a computing server?

I'm working on a project with QGIS Desktop 3.18.3. My plugin always crashes. Is it possible to host QGIS on a computing server? If so, will it improve the performance?
5
votes
1answer
228 views

Compiling resources.qrc with QGIS 3.20 (could not find qt5_env.bat)

To compile resources.qrc file with pyrcc5 we usually do qt5_env.bat py3_env.bat pyrcc5 -o pathtoplugin\resources.py pathtoplugin\resources.qrc using OSGeo4W Shell as described in many questions on ...
3
votes
1answer
96 views

Connecting mouse to canvas layer to shift attributes of a layer in QGIS

I am currently trying to develop a QGIS plugin which takes in data to plot points onto a PNG file. One of the objectives of this plugin is to be able to shift points on a layer by dragging and ...
1
vote
0answers
15 views

QGIS v.net not working for certain lines data

I am trying to make a connected network using the v.net GRASS tool. It has worked for 3 vector line layers but is not working for two. I am not sure what the problem is. I used the same settings for ...
2
votes
1answer
141 views

QGIS Custom Style XYZ Google maps label is too small or blurry for high resolution printing

I am trying to print a map with one of the layer I use Google Maps data for street name label by using QGIS, since Google has more detail and complete street name label than OSM, but the problem is ...
3
votes
1answer
32 views

Disable image reloading in QGIS 3.16.10 georeference

I am trying to georeference an image (about 50mb and 20000x20000px), and every time I move the image or add a point it reloads/updates the image in georeference window and it takes about 1 minute to ...
2
votes
0answers
38 views

Interpreting Ruggedness Index calculated from SRTM Tiles

I am looking for help interpreting the values from Ruggedness Index calculations. I downloaded SRTM tiles using the SRTM Downloader plugin in QGIS. Then I calculated ruggedness from SRTM tiles in QGIS ...
3
votes
1answer
69 views

Efficient filtering of many options in QGIS Plugin

Using PyQGIS, I am developing a QGIS plugin that includes a filter function. It should make handling easier for users (internal) who rarely use QGIS. Now I have created a interface with the QT ...
6
votes
1answer
95 views

Database form as QGIS plugin with PyQGIS and QtDesigner

I try to build a QGIS plugin to add data into a SpatiaLite database. All relevant tables are load into the QGIS Layers Panel. At first, I want to select a feature in table_1. This table has geometries ...
2
votes
1answer
182 views

Crayfish plugin doesn't work in QGIS 3.20 [closed]

I have installed QGIS 3.20 in my computer and wanted to use crayfish plugin for Mesh analysis. When I install the plugin it shows the following error and the plugin does not appearing in the toolbox ...

1
2
3 4 5
54