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Using QGIS 3.28.1 (Windows), I wanted to automatically change the default coordinate display axis order of a new QGIS project to "XY". Unfortunately there is no global setting for this, so I created a startup.py file with the following code:

from qgis.core import QgsProject,QgsMessageLog,Qgis

QgsProject.instance().displaySettings().setCoordinateAxisOrder(Qgis.CoordinateOrder.XY)
QgsMessageLog.logMessage('CoordinateAxisOrder: %s' % QgsProject.instance().displaySettings().coordinateAxisOrder(),'Custom',Qgis.Info)

Although the message log shows me that the axis order has been changed, QGIS shows no change at all.

Do I need to use any signal to change the default coordinate display axis order? And if possible, can I change the value via Python plugin?

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  • What do you mean by x and y?
    – user30184
    Commented Nov 22, 2022 at 10:22
  • That's the API equivalent of the coordinate order "Easting, Northing (Longitude, Latitude)"
    – christoph
    Commented Nov 22, 2022 at 10:28
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    Your code is only applying the setting to the blank empty default project that QGIS creates upon launch. You will need to find either a global QGIS profile setting for this or use a signal that is not project instance specific gis.stackexchange.com/questions/411712/…
    – bugmenot123
    Commented Nov 22, 2022 at 11:52
  • @bugmenot123 thanks a lot! This helped to solve the problem 👍
    – christoph
    Commented Nov 22, 2022 at 12:46

1 Answer 1

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With the help of @bugmenot123 and north-road (Nyall?) I found a solution using the newProjectCreated signal of QGIS iface:

from qgis.core import QgsProject,QgsMessageLog,Qgis
from qgis.utils import iface

iface.newProjectCreated.connect(lambda: QgsProject.instance().displaySettings().setCoordinateAxisOrder(Qgis.CoordinateOrder.XY))
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