Questions tagged [qgis-plugins]

Software plugins that add functionality to the QGIS package

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Changing font size, when using the Easy Custom Labeling plugin?

I’m using the Easy Custom Labeling plugin. Useful plugin, but when I want to change the font size with the Layer Labeling Settings. Nothing changes, I can only change font size manually for each label?...
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1 vote
1 answer
778 views

Get the keyPress-Event in QGis-Plugin

I have a QTreeWidget in a QWidget which is the gui of my plugin(cpp). Now i want to get the keyPress-Event of a Node in the TreeView. I try to reimplement the signal of the QWidget. protected: ...
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1 vote
1 answer
649 views

GRASS-QGIS Linking error

I need a few customizations over grass and would use qgis gui for accessing grass. I am building qgis with grass enabled (WITH_GRASS=TRUE). While I am doing that I get the following. Linking C ...
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1 vote
1 answer
3k views

Loading WMS layer to QGIS using Python

I know that there are already many questions regarding this matter. In fact, I have already seen the following questions: How to load a WMS layer using PyQGIS? Adding a WMS layer in QGIS using python ...
1 vote
1 answer
119 views

Numeric digitise icon not in digitise bar

I am using QGIS 2.4 on Mac Os. I have the Numeric digitise plungin installed but it does not appear in the Digitise Tool Bar. I have tried reinstalling it but it makes no difference. I have used it ...
1 vote
1 answer
292 views

QGIS Plugins & Tools that replicate Select ArcPy Tools [closed]

I developed a complex python application for road generation from GPS Devices that uses a few ArcPy Tools. I want to try and replicate this Applications functionality using a freeware like PyQGIS ...
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1 vote
1 answer
2k views

Unable to install FUSION in QGIS 3.2?

I'm unable to install FUSION in QGIS 3.2 on Ubuntu 16.04. Andre Silva on Creating DEM from LAS file without using LAStools? says to use the same procedure as LAStools (up to QGIS 2.18 version). I've ...
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1 vote
1 answer
527 views

Installing NextGIS Connect into QGIS 3?

Just acquired free version of NEXTGIS and trying to install the plugin for QGIS. It tells me it was not designed for version 3 of QGIS. How do I set up the QGIS-NEXTGIS interface then?
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1 vote
1 answer
971 views

OpenLayers plugin in QGIS, error in projection 3857 Pseudo Mercator

I'm using QGIS plugin OpenLayers to set the background of Google satellite under my vector layer. However, even if I project my layers as EPSG:3857 (the default and only possible projection for ...
1 vote
1 answer
291 views

Getting the DB name of the spatialite table loaded inside QGIS using PyQGIS

I have a table loaded in QGIS from spatialite DB. When i see the layer properties it is dbname='/home/farook/Spatialite/Cities.sqlite' table="cities" sql=. Now i want the dbname alone (i.e) the entire ...
  • 2,906
1 vote
1 answer
2k views

QGIS Numerical Vertex Edit - anyone else finding it doesn't work?

The QGIS Numerical Vertex Edit plug-in used to work fine, but stopped working for me around about QGIS 2.6. I now use QGIS 2.8.1 Windows 64 bit. The plug-in no longer seems able to see points or ...
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1 vote
1 answer
398 views

Porting QGIS C++ plugins to other QGIS installations

I developed a C++ plugin for QGIS using VC++ express 2008 and a QGIS dev release (1.9.90 alpha), my plugin works fine on this release and now I want to port it to other QGIS installations, so I copied ...
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1 vote
1 answer
564 views

Aligning rasters with Python (QGIS)

Does someone know if there is a SAGA or GDAL tool that is capable of aligning two raster layers? For the creation of a plugin I want to automate this process so the raster alignment option of QGIS ...
1 vote
0 answers
789 views

Use QuantumGIS to bulk-import csv files

I have a large set of .csv-files containing geographic information. Every dataset consists out of 2 .csv-files! This is my folder-structure. All files in Tracks are formatted equally and all in Routes ...
1 vote
4 answers
1k views

QGIS 2.99 and Quick Maps Plugin

Does Quick Maps plugin still work with QGIS 2.99 or is it no longer supported? I am unable to install from zip. Is there a new plugin that allows access to open source data/aerial imagery? Error is ...
1 vote
1 answer
2k views

Layer properties dialog in my QGIS plugin [closed]

I am developing a plugin which should display some information like geometry of the layer, feature count etc. Now those are currently displayed in QMessageBox.information. I want it to be displayed ...
  • 2,906
1 vote
1 answer
3k views

How can I create a custom form to display the attributes of the selected object?

I have already appealed to the selected objects, and found a way how to put them in a MsgBox. But I need to output was in the form
  • 359
1 vote
1 answer
8k views

Create histograms in QGIS

I need some help to produce histograms regarding my data about an algae density collected in 8 sampling sites, 4 times a year, for 5 years. I would like to analyse them, underlining the differences ...
1 vote
1 answer
544 views

QGIS plugin WORKS under Windows but NOT under Linux. How to get fîle path properly under Linux?

I am currently working on a QGIS plugin which depits node to node discreet flows. Let' say adaption of Tobler's Flow Mapper to QGIS. Plugin currently tested and working under Windows. But not under ...
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1 vote
1 answer
376 views

Best Platform to develop QGIS Python Plugins

I am currently developing QGIS Python Plugins in a Windows 7 64-bit environment. Having said this I am stumbling across various issues which from what I have been able to gather have a less tendency ...
0 votes
0 answers
269 views

How to export training area information?

I did a supervised classification of a whole Landsat 8 image with 700 Rois (training areas) with the Semi Automatic Classification Plugin. I want to export the class names, the coordinates and the ...
0 votes
1 answer
119 views

PyQGIS 3 Select features by mouse click not working

I'm using the solution provided in this question. but when I click on the canvas nothing happens. here is my code from qgis.gui import QgsMapToolIdentifyFeature, QgsMapToolIdentify from qgis.core ...
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0 votes
1 answer
287 views

Resetting database coordinate reference system in QGIS Midvatten plugin?

When I started building a database in Midvatten I followed the tutorial: https://github.com/jkall/qgis-midvatten-plugin/wiki/Tutorial This tutorial suggests for setting up a new database: "When ...
0 votes
1 answer
163 views

QGIS Dataplotly plugin on Linux Mint

Hey I'm having problems installing the dataplotly plugin from the official repository. Konnte Erweiterung 'DataPlotly' nicht laden ModuleNotFoundError: No module named 'plotly' Traceback (most ...
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0 votes
1 answer
2k views

Adding multiple layer on Map Canvas using pyqgis

I am facing issues on adding Multiple layer in Qgis3.0. I tried below code but its not working. I am unable to detect what wrong since its not giving error. Both Layers are valid, but cant be added ...
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0 votes
1 answer
748 views

Edit or Remove .KMZ Vertices in QGIS

I am attempting to trim a previously recorded .kmz line. What I would like to do is remove a few ending vertices that extend beyond the actual end of a hiking trail as well as remove multi-path lines ...
0 votes
1 answer
152 views

Possible to convert v.net.spanningtree to QGIS custom script so don't need GRASS installed?

Is it possible (and if yes then how or has this been done) to convert v.net.spanningtree in to a QGIS/python (custom) script that can be accessed in the QGIS graphical modeler in a way that GRASS is ...
0 votes
3 answers
3k views

Calculating MCP in QGIS

QGIS 1.8.0. Scipy installed. Statsmodels installed. Using Sextante to try to calculate MCP. When I run the MCP calculation from the Toolbox, a layer is added to the file, but the layer doesn't ...
0 votes
1 answer
794 views

Changing CRS for basemap from OpenLayers plugin

I'm working on plotting data from NYC (Queens, specifically) and I would like to overlay my heatmap on a basemap from the OpenLayers plugin to show the location of streets, parks, etc. Because I'm ...
0 votes
1 answer
105 views

Force reload assigned datasets for Mesh Layer

I am wondering if there is any way / python code to force QGIS 3.12 to reload the data source of mesh layer and its assigned datasets? Mesh layer is a .xmdf file that's similar to .2dm with assigned ...
0 votes
1 answer
4k views

Replacement of QVariant and setAttributeMap in PyQGIS

I am updating a plugin for QGIS 1.8 to QGIS 2.x. I have the code below. The setAttributeMap does not exist anymore. I have replaced it with fet.setAttributes and it seems to work. When using fet....
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0 votes
1 answer
473 views

Batch travel distance calculation in QGIS

How to calculate the walking distance between postcodes and destination in QGIS? I have the following shapefiles: 1 layer containing the destination; 1 layer containing 1,000 postcodes. I've ...
0 votes
2 answers
4k views

How to install python plugin in qgis [closed]

I have downloaded this plugin rar file now i want to use it in QGIS. How can i do this? while i also search this plugin in qgis plugin search it didn't find. Do all python plugin are not avaialbe in ...
0 votes
1 answer
2k views

How to install Sextante in QGIS 1.8 without Plugin Installer?

How can I install sextante (and where can I download it) if the Plugin Installer doesn't works? As I work for a corporation, I have some problems conecting to the official repository, and I cannot ...
0 votes
2 answers
432 views

Installing Whitebox in QGIS without broken repo link

I need to install Whitebox tools in QGIS. I have tried to follow the instructions provided in here but the repo link is broken (https://plugins.bruy.me/plugins/plugins.xml and https://plugins.bruy.me/...
0 votes
1 answer
416 views

pyrcc4 command not recognized as internal or external command? [duplicate]

The question has already been asked as 'pyrcc4' is not recognized as an internal or external command? but the answers did not fit my own trouble. I am trying to create a plug-in. I followed ...
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0 votes
1 answer
896 views

Minimum distance from points to nearest line among multiple lines shapefile [duplicate]

I am new to QGIS. I am looking for any plugin or any manual method in QGIS for finding minimum distance (perpendicular distance) from a point which is part of one shapefile to nearest line among many ...
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0 votes
0 answers
52 views

Why the code doesn't display the layers in DXF separated in QGIS [closed]

#Load the dfx file to get the sublayers. vlayer = QgsVectorLayer(dfx_file, 'layer_test', 'ogr') subLayers = vlayer.dataProvider().subLayers() #For each sublayer, diferent type of geometry, load a ...
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0 votes
1 answer
162 views

Why is the asc file associated with Fusion CanopyModel different from the GeoTiff I create?

I'm working in Python (using PyQGIS) to create a digital surface model from .las data. When I use fusion:canopymodel it creates a .dtm file, and a .asc file. I then convert the .dtm file to .tiff ...
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