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Results tagged with pyqgis-3
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user 10123
Python bindings for QGIS 3.
4
votes
Accepted
QGIS Python get current atlas page name
Well, found it myself:
@qgsfunction(args='auto', group='Custom')
def getpage(feature,parent):
projectInstance= QgsProject.instance()
projectLayoutManager = projectInstance.layoutManager()
…
- 3,836
1
vote
Accepted
QGIS- python - output name of overlay
Looking a bit more around, I found that processing returns a directory with (at least) a key 'OUTPUT'. The value corresponding to this key is a unique layer id.
So I can do
output=processing.runAndL …
- 3,836
5
votes
Reprojecting QgsPointXY
That is, for some reason, I ended up having to do
point = QgsPointXY(float(lon), float(lat))
point = tr.transform(point)
geom = QgsGeometry.fromPointXY(point)
Trying to do geom.transform(tr) did …
- 3,836
1
vote
Accepted
Reloading plugin makes new item in menu
Found it myself...
I needed to specify the sub menu in the unload, so it becomes:
DataLoader.py (unload):
for action in self.actions:
self.iface.removePluginVectorMenu(
self.tr(u'&Spectr …
- 3,836
3
votes
Renaming the result of QGIS Processing Algorithm
You can get the layer from the layer id:
output=processing.runAndLoadResults("qgis:intersection",params)
createdlayer=QgsProject.instance().mapLayer(output['OUTPUT'])
createdlayer.setName('My shiny n …
- 3,836
5
votes
Accepted
Dissolving using Python in QGIS 3
From om your first error message, it seems like layer_shp is a string, not a layer. You need to get hold of the layer - in different ways depending if it is a file name or a layer name.
Your next pro …
- 3,836
5
votes
Getting ordered list of IDs of selected features using PyQGIS
I do something similar in my StripChart plugin at https://github.com/sickel/qgisstripchart/blob/master/stripchart.py
When I initiate, I define an array:
self.selectlines = []
I set up a signal:
self. …
- 3,836