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Results tagged with pyqgis
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user 166178
Python bindings for QGIS.
7
votes
1
answer
390
views
Automating classification of symbology in PyQGIS
However I still have to press the classify button which I also want to automate in PyQGIS. Can anyone help me with this last step? …
- 373
6
votes
1
answer
288
views
Creating custom categorized symbology and coloring based on two fieldNames
I am developing a plugin in PyQGIS 3. Within this plugin, I want to change the symbology of a layer to categorized. I want to categorize based on the column Collecti_2 in PyQGIS 3. …
- 373
2
votes
0
answers
93
views
Is there a way to calculate balances of products between countries?
I am interested in creating a PyQGIS function that calculates balances between these countries based on the distance to optimize these flows; E.G: Germany to Belgium 10, Germany to France 40, equilibrium …
- 373
2
votes
1
answer
394
views
Is there a way to create arrow subSymbol on top of geometry generated symbol using PyQGIS?
Currently, I am trying to figure out how to set a subsymbol for a PyQGIS generated geometrygeneratorsymbol layer. …
- 373
2
votes
0
answers
224
views
Adding graduated symbology to created arrows using PyQGIS
I would like to add graduated Symbology to my custom created arrows. Unfortunately it does not seem to work. When manually creating graduated symbology the steps are rather easy.
Could someone help me …
- 373
1
vote
Accepted
Is there a way to create arrow subSymbol on top of geometry generated symbol using PyQGIS?
The answer to set a subsymbol in PYQGIS qgis 3.x
Replace the sub symbol with the new marker symbol:
shape_sym.subSymbol().changeSymbolLayer(0, arrow) …
- 373
1
vote
1
answer
151
views
Create ranged sub-symbology within categorized layers
I am developing a plugin in PyQGIS 3. … Within this plugin, I already succeeded in categorizing using PYQGIS 3 but I am still looking to find a way to create ranges within these newly created categories using PYQGIS 3. …
- 373
0
votes
Accepted
How to add the Geometry type LineString/ MultiLineString within the function QgsGeometryGene...
Never mind, found the solution: added the line shape_sym.setSymbolType(QgsSymbol.Line) afterwords.
- 373
0
votes
1
answer
169
views
How to add the Geometry type LineString/ MultiLineString within the function QgsGeometryGene...
Within a function of pyqgis I am trying to create a layer according to multiple steps. …
- 373
0
votes
Accepted
Create ranged sub-symbology within categorized layers
I found the solution to this question after I took a good look at the existing documentation. Steps that need to be conducted:
Create CategorizedRenderer
Update existing CategorizedRenderer and chang …
- 373