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Why is my standalone script not importing QGIS?
The issue does not appear to be that I have failed to import some Python package automatically imported by the QGIS application (qgis.core and qgis.utils) – I have those import statements in my standalone script, along with all the other package imports the script requires.
What’s the difference between QGIS and standalone applications?
This leads me to believe that the difference is that the QGIS application correctly sets external environment variables, but those variables are not set properly when I run it as a standalone script.
How to program a standalone application using pyqgis?
I’ve tried going through IRC to see if people can help me out with this, but the medium seems a little clumsy for making any answers clear, so I’m going to try this instead. I would like to program a standalone application using PyQGIS the way I can already program standalone applications using ArcPy. PyQGIS itself is straightforward.
How to start QGIS browser in command prompt?
1 Type in “qbrowser” at a command prompt. 2 Start the QGIS Browser using the Start menu or desktop shortcut. 3 The QGIS Browser is available from your Applications folder. More
Can a pyqgis script be run in QGIS?
PyQGIS scripts are great to automate spatial processing workflows. It’s easy to run these scripts inside QGIS but it can be even more convenient to run PyQGIS scripts without even having to launch QGIS. To create a so-called “stand-alone” PyQGIS script, there are a few things that need to be taken care of.
Do you need PyQt4, Tkinter, or QGIS?
You don’t need here PyQt4, Tkinter or qgis.gui: you can create an application. You need here PyQt4 (and not Tkinter) and qgis.gui. I would like to program a standalone application using PyQGIS the way I can already program standalone applications using ArcPy.
Why does pyqgis not work with ArcPy or QGIS?
Certainly ArcPy doesn’t require people to mess around with the computer’s environmental settings, so I’m having difficulty understanding why PyQGIS does. It seems to me people will simply give up rather than teach themselves Windows Batch Scripting Language. Now, I notice that when I run a script in QGIS’s console editor, it works.
How do I load a project into QGIS?
To load a project into the current QGIS application you need to create an instance of the QgsProject class. This is a singleton class, so you must use its instance () method to do it.
What happens when I run a standalone pyqgis script?
When I run the script in the console editor, it does it all correctly. When I run it as a standalone, it creates a window, then immediately destroys it, while throwing no errors. So the intepreter understands everything I’m asking the script to do – it just won’t do it.
Can a QGIS server be used in Python?
starting from 2.11 version (Master at 2015-08-11), QGIS Server library has Python bindings that can be used to embed QGIS Server into a Python application. There is a complete QGIS API reference that documents the classes from the QGIS libraries. Pythonic QGIS API is nearly identical to the API in C++.
Which is the best way to use pyqgis?
It should ideally be handled in a slot that is connected to lastWindowClosed () signal of the application. Consulting the PyQGis documentation, you’ll find that there are four main ways to utilize the PyQGis API: outside QGIS (in the Python shell or creating an applications with PyQt4 and not Tkinter (why import Tkinter twice ?)
Can you use ArcPy outside of QGIS on Windows?
Because you use the Python version of ArcGIS, in other cases, the same is true, look using arcpy outside arcmap or Configure PyScripter to use with QGIS (and still use arcpy) on Windows, for example. You don’t need here PyQt4, Tkinter or qgis.gui: you can create an application. You need here PyQt4 (and not Tkinter) and qgis.gui.