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Results tagged with python
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user 117572
Python is an open source interpreted programming language used in many GIS programs.
2
votes
How to change the font color of an attribute field using attribute table?
Thats my code how it works for me for a very simple case.
if self.isSupported(aLayer):
provider = aLayer.dataProvider()
columns = provider.fields()
for c in columns:
name = s …
- 381
4
votes
2
answers
1k
views
How to change the font color of an attribute field using attribute table?
My idea is to use signal "attributeValueChanged" but I can't find any information about how I can change font color or how I can access it via python. … Does QGIS 3.0.1 / Python support something like this or rather not?
Example: …
- 381
0
votes
0
answers
341
views
QGIS 3.4.3 - Input dialog for a column in attribute table
Now I have two questions:
1) Can I create my action "My help" in python automatically. Currently I did it in QGIS interactively. … I need a sample.
2) The action "My help" needs access to my python plugin. I need to call some functions. Is it possible? How? …
- 381
3
votes
Issue with loadNamedStyle in QGIS 3.0.1
This solution helped me. My problem is solved.
iface.layerTreeView().refreshLayerSymbology( iface.activeLayer().id() )
- 381
3
votes
1
answer
383
views
Issue with loadNamedStyle in QGIS 3.0.1 [duplicate]
I try to set the style for a raster layer in python directly. For this, I use function "loadNamedStyle". …
- 381
2
votes
0
answers
100
views
Problem with LoadLibrary and encrypted DLL
Is this a general problem of Python? Is there a possibility to fix this behavior? …
- 381
0
votes
What coordinate system is this? How can I project it to WGS84 (lat-long) system in Python?
Do you know where the model should be located? That would be helpful. It could be a Gauss- Krüger coordinate system. It happens often that AutoCAD models use a normal local coordinate system without a …
- 381
4
votes
Best way (performance wise) to add Attribute fields in PyQGIS on large files
You could try this (example), but I dont know if this provides you more performance.
list = []
field1 = QgsField("test1", QVariant.String)
field2 = QgsField("test2", QVariant.String)
list.append(fiel …
- 381