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How to add an existing QGSVectorLayer to QGIS project?
How to add openstreetmap WMS layer to QGIS 3?Getting LayerTree reference in Processing script in QGIS 3?QgsVectorLayer - Errors opening delimited textCSV fileHow do I declare a QGIS custom expression function and use it in a single python script?Add PostGIS layer to QGIS via Python ConsolePyQGIS import csv- QGIS 3.4Saving QML styles directly into QGS project fileSetting selection border color in red and save the map of the resulting selectionLoad lines from .OSM in Processing ModelerQGIS Processing Script to Create and Add CSV Layer
I know I can pull a vector file into my current project using:
vlayer = iface.addVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
But if I create my layer using something like:
vlayer = QgsVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
and then I do some processing on vlayer how do I then add it to the current project or map layers list?
qgis-3 pyqgis-3
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
add a comment |
I know I can pull a vector file into my current project using:
vlayer = iface.addVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
But if I create my layer using something like:
vlayer = QgsVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
and then I do some processing on vlayer how do I then add it to the current project or map layers list?
qgis-3 pyqgis-3
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
1
Can you expand on what you mean by "processing"? Editing the layer such as modifying features, running a tool from the processing toolbox etc? Or do you mean something like:QgsProject.instance().addMapLayer(vlayer)?
– Joseph
2 days ago
that is the correct answer
– Ian Turton♦
2 days ago
Any sort of process that changes the layer features
– Ian Turton♦
2 days ago
You can see in the PyQGIS cookbook how to add aQgsVectorLayerto the project docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/…
– etrimaille
2 days ago
@etrimaille - thanks, I spotted that soon after I got the answer here :-)
– Ian Turton♦
yesterday
add a comment |
I know I can pull a vector file into my current project using:
vlayer = iface.addVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
But if I create my layer using something like:
vlayer = QgsVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
and then I do some processing on vlayer how do I then add it to the current project or map layers list?
qgis-3 pyqgis-3
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
I know I can pull a vector file into my current project using:
vlayer = iface.addVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
But if I create my layer using something like:
vlayer = QgsVectorLayer(r"S:/Data/Natural_Earth_quick_start/110m_cultural/ne_110m_admin_0_countries.shp", "admin", "ogr")
and then I do some processing on vlayer how do I then add it to the current project or map layers list?
qgis-3 pyqgis-3
qgis-3 pyqgis-3
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
asked 2 days ago
Ian Turton♦Ian Turton
49.5k547114
49.5k547114
1
Can you expand on what you mean by "processing"? Editing the layer such as modifying features, running a tool from the processing toolbox etc? Or do you mean something like:QgsProject.instance().addMapLayer(vlayer)?
– Joseph
2 days ago
that is the correct answer
– Ian Turton♦
2 days ago
Any sort of process that changes the layer features
– Ian Turton♦
2 days ago
You can see in the PyQGIS cookbook how to add aQgsVectorLayerto the project docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/…
– etrimaille
2 days ago
@etrimaille - thanks, I spotted that soon after I got the answer here :-)
– Ian Turton♦
yesterday
add a comment |
1
Can you expand on what you mean by "processing"? Editing the layer such as modifying features, running a tool from the processing toolbox etc? Or do you mean something like:QgsProject.instance().addMapLayer(vlayer)?
– Joseph
2 days ago
that is the correct answer
– Ian Turton♦
2 days ago
Any sort of process that changes the layer features
– Ian Turton♦
2 days ago
You can see in the PyQGIS cookbook how to add aQgsVectorLayerto the project docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/…
– etrimaille
2 days ago
@etrimaille - thanks, I spotted that soon after I got the answer here :-)
– Ian Turton♦
yesterday
1
1
Can you expand on what you mean by "processing"? Editing the layer such as modifying features, running a tool from the processing toolbox etc? Or do you mean something like:
QgsProject.instance().addMapLayer(vlayer)?– Joseph
2 days ago
Can you expand on what you mean by "processing"? Editing the layer such as modifying features, running a tool from the processing toolbox etc? Or do you mean something like:
QgsProject.instance().addMapLayer(vlayer)?– Joseph
2 days ago
that is the correct answer
– Ian Turton♦
2 days ago
that is the correct answer
– Ian Turton♦
2 days ago
Any sort of process that changes the layer features
– Ian Turton♦
2 days ago
Any sort of process that changes the layer features
– Ian Turton♦
2 days ago
You can see in the PyQGIS cookbook how to add a
QgsVectorLayer to the project docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/…– etrimaille
2 days ago
You can see in the PyQGIS cookbook how to add a
QgsVectorLayer to the project docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/…– etrimaille
2 days ago
@etrimaille - thanks, I spotted that soon after I got the answer here :-)
– Ian Turton♦
yesterday
@etrimaille - thanks, I spotted that soon after I got the answer here :-)
– Ian Turton♦
yesterday
add a comment |
1 Answer
1
active
oldest
votes
To add an existing single layer:
vlayer = QgsVectorLayer("some/path/to/shapefile.shp", "admin", "ogr")
QgsProject.instance().addMapLayer(vlayer)
To add existing multiple layers:
vlayer1 = QgsVectorLayer("some/path/to/shapefile1.shp", "admin1", "ogr")
vlayer2 = QgsVectorLayer("some/path/to/shapefile2.shp", "admin2", "ogr")
layers = [vlayer1 , vlayer2]
QgsProject.instance().addMapLayers(layers)
answered 2 days ago
JosephJoseph
57.8k7100199
add a comment |
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1 Answer
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To add an existing single layer:
vlayer = QgsVectorLayer("some/path/to/shapefile.shp", "admin", "ogr")
QgsProject.instance().addMapLayer(vlayer)
To add existing multiple layers:
vlayer1 = QgsVectorLayer("some/path/to/shapefile1.shp", "admin1", "ogr")
vlayer2 = QgsVectorLayer("some/path/to/shapefile2.shp", "admin2", "ogr")
layers = [vlayer1 , vlayer2]
QgsProject.instance().addMapLayers(layers)
answered 2 days ago
JosephJoseph
57.8k7100199
add a comment |
To add an existing single layer:
vlayer = QgsVectorLayer("some/path/to/shapefile.shp", "admin", "ogr")
QgsProject.instance().addMapLayer(vlayer)
To add existing multiple layers:
vlayer1 = QgsVectorLayer("some/path/to/shapefile1.shp", "admin1", "ogr")
vlayer2 = QgsVectorLayer("some/path/to/shapefile2.shp", "admin2", "ogr")
layers = [vlayer1 , vlayer2]
QgsProject.instance().addMapLayers(layers)
answered 2 days ago
JosephJoseph
57.8k7100199
add a comment |
To add an existing single layer:
vlayer = QgsVectorLayer("some/path/to/shapefile.shp", "admin", "ogr")
QgsProject.instance().addMapLayer(vlayer)
To add existing multiple layers:
vlayer1 = QgsVectorLayer("some/path/to/shapefile1.shp", "admin1", "ogr")
vlayer2 = QgsVectorLayer("some/path/to/shapefile2.shp", "admin2", "ogr")
layers = [vlayer1 , vlayer2]
QgsProject.instance().addMapLayers(layers)
answered 2 days ago
JosephJoseph
57.8k7100199
To add an existing single layer:
vlayer = QgsVectorLayer("some/path/to/shapefile.shp", "admin", "ogr")
QgsProject.instance().addMapLayer(vlayer)
To add existing multiple layers:
vlayer1 = QgsVectorLayer("some/path/to/shapefile1.shp", "admin1", "ogr")
vlayer2 = QgsVectorLayer("some/path/to/shapefile2.shp", "admin2", "ogr")
layers = [vlayer1 , vlayer2]
QgsProject.instance().addMapLayers(layers)
answered 2 days ago
JosephJoseph
57.8k7100199
answered 2 days ago
JosephJoseph
57.8k7100199
answered 2 days ago
JosephJoseph
57.8k7100199
answered 2 days ago
JosephJoseph
57.8k7100199
57.8k7100199
add a comment |
add a comment |
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1
Can you expand on what you mean by "processing"? Editing the layer such as modifying features, running a tool from the processing toolbox etc? Or do you mean something like:
QgsProject.instance().addMapLayer(vlayer)?– Joseph
2 days ago
that is the correct answer
– Ian Turton♦
2 days ago
Any sort of process that changes the layer features
– Ian Turton♦
2 days ago
You can see in the PyQGIS cookbook how to add a
QgsVectorLayerto the project docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/…– etrimaille
2 days ago
@etrimaille - thanks, I spotted that soon after I got the answer here :-)
– Ian Turton♦
yesterday