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I am trying to open an empty project using PyQGIS: All the answers I can find relate to already existing projects. i.e. they load a file like this: project = QgsProject.instance() project.read('file. …

I can open the console programmatically, using: qgis.utils.iface.actionShowPythonDialog().trigger() Is there a way to additionally open the console's editor (the window where you can enter multiple …

Is there a way to autosize all fields in an attribute table? I am working with attribute tables that have over 50 columns and all of them have long names. Instead of autosizing single columns via dou …

Got it to work by using http instead of https. So instead of using the URL that you find on the Copernicus website: https://copernicus.discomap.eea.europa.eu/arcgis/services/GioLand/VeryHighResoluti …

I am trying to add the following WMS to QGIS: https://land.copernicus.eu/pan-european/high-resolution-image-mosaic/very-high-resolution/vhr-2012 It is published by ArcGIS for Server and here is the URL … However, I am unable to connect to it in QGIS (2 + 3). I've tried loading it with the buttons Add WMS/WMTS Layer and Add ArcGIS MapServer Layer, but keep getting the following error: …

I am trying to create a memory layer: tempLayer = QgsVectorLayer('LineString', 'my_temp_layer', 'memory') But as soon as this line is excecuted (not when I add it to the map!) the CRS dialog pops u …

How can I document my custom Python functions in QGIS? …

Is there a way to delete custom functions (e.g. extractZipCode in the screenshot below) from the QGIS Field Calculator without having to look into the expressions folder on disc? … I know I can simply delete the Python script in this folder: C:\Users\admin\.qgis2\python\expressions But is there a way to actually do it from within QGIS? …

Can a memory layer be used as an input and/or output with runalg? With runandload I get this to work: processing.runandload("qgis:mergevectorlayers","memory:bufferOne", "memory:bufferTwo", r"memory …

In QGIS there is a tool that can create points along a line. You can find it in the Processing Toolbox under GRASS commands. …

A simple way would be using The polygon-line intersection tool from the SAGA toolbox. This would work: import processing polys = QgsVectorLayer(r"C:\PyQGIS_Test\polys.shp", 'poly', 'ogr') lines = Qg …

I am developing a plugin which I would like to add to the Database menu instead of the default Plugins menu. According to the PyQGIS Developer Cookbook all I have to do is add category=Database to …

Figured it out, and it had to do with my understanding of the shapefile format. I was not aware that each feature has their own seperate boundaries. I used to think that one edge can be shared by two …

I just ran into unexpected behavior while editing a polygon shapefile in QGIS 2.8.2. …

The easiest way would be the following: enable snappig on the line layer that you are using to digitize digitize the line, but finish your sketch before you close it digitize another line, start dig …