Adding PostGIS layer from QGIS Python plugin
I try to develop a plugin to add postgis layers to qgis from a plugin as part of learning python. The code for adding a postgis layer is taken from the cookbook and work fine if I run it from the...
View ArticleWhy do I get different results from PyQGIS feature.geometry().type()?
On the python console in QGIS what is the difference between the following two code snippets (activeLayer is a polygon layer): # 1) iface.activeLayer().selectedFeatures()[0].geometry().type()...
View ArticleHow to set conditional imports for a PyQGis script running inner or outer of...
Related to Cannot run standalone QGIS script I try to detect if my script is run from a QGIS instance (through the plugin) or from a standard python console. This detection will enable conditional...
View ArticlePyGIS remove QgisVertexMarker from scene
I am writing a plugin that includes interaction with the map. Therefore I use a QgsMapTool. It is possible for a user to mark a point on the map. When the user clicks a red X is drawn on the mapCanvas...
View ArticleDo I have to publish own QGIS plugins?
If I develop QGIS plugins for my company do I have to make them available to others? I use QT-Designer and think that it also depends on the question how you develop your plugins, right? For example:...
View ArticleUpdating feature attribute in QGIS plugin?
I am writing a plugin for QGIS (v2.12). There have been quite a few similar questions on this forum, but they don’t seem to work for me. my plugin does the following: get the vector layer check that it...
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Label layout on python in QGIS
Now the only issue is that in image I am not getting the labels, I have on polygon. Please help in that too Please see above attached screenshots here I need labels – I have updated QGIS it’s version...
View ArticleTroubles Updating Values of Selected Features with PyQGIS
I’m trying to modify the values of some selected features. I have written this small script, but nothing happens when I run it. Is there something that I’ve missed? Here is my code. lyr =...
View ArticlePython script to automate saving satellite images for different combinations...
PS. : This is my first try at a GIS application. Please forgive if my question is pedantic. I would like to get a series of satellite images all at the same scale centered around different points on...
View Articlemodule object has no attribute classFactory
I asked this question several days ago on the QGIS developer list but didn’t get any love. I’m hoping someone can help me resolve this error. I have a custom repo and a custom plugin that I’m...
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