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QGIS Geometry Generator Line Type
Remove duplicate nodes in QGISHow to get the length of each line segment in a line shapefile in QGISHow to graphically offset the boundary line of a polygon in QGIS?Rotate geometry generator marker line depending on map projection QGISAligning labels with line connecting feature to its label in QGIS?Styling shared boundaries in QGIS?QGIS 3 Line connecting point to label issue - can not get line to align with label in desired placeCreating flat end buffer using geometry generator in QGIS?Attributing polygons based on line attributesCreate a line string from street geometry
I am trying to create a line style for a multiline geometry. I am hoping to create a linetype which looks like the following
The Points are not an issue, its the line/lines entering and exiting at the nodes. I was looking to use the Geometry Generator to solve the issue, by creating a buffer, based on the midpoint of each section of the multiline geometry, less the length of the start line and end line and using dissolve to create the line.
The dataset is a PostGIS vector dataset, I cant duplicate or break the lines into individual lines.
qgis postgis geometry-generator
edited yesterday
PolyGeo♦
53.8k1781245
asked 2 days ago
Richard McDonnellRichard McDonnell
657
add a comment |
I am trying to create a line style for a multiline geometry. I am hoping to create a linetype which looks like the following
The Points are not an issue, its the line/lines entering and exiting at the nodes. I was looking to use the Geometry Generator to solve the issue, by creating a buffer, based on the midpoint of each section of the multiline geometry, less the length of the start line and end line and using dissolve to create the line.
The dataset is a PostGIS vector dataset, I cant duplicate or break the lines into individual lines.
qgis postgis geometry-generator
edited yesterday
PolyGeo♦
53.8k1781245
asked 2 days ago
Richard McDonnellRichard McDonnell
657
add a comment |
I am trying to create a line style for a multiline geometry. I am hoping to create a linetype which looks like the following
The Points are not an issue, its the line/lines entering and exiting at the nodes. I was looking to use the Geometry Generator to solve the issue, by creating a buffer, based on the midpoint of each section of the multiline geometry, less the length of the start line and end line and using dissolve to create the line.
The dataset is a PostGIS vector dataset, I cant duplicate or break the lines into individual lines.
qgis postgis geometry-generator
edited yesterday
PolyGeo♦
53.8k1781245
asked 2 days ago
Richard McDonnellRichard McDonnell
657
I am trying to create a line style for a multiline geometry. I am hoping to create a linetype which looks like the following
The Points are not an issue, its the line/lines entering and exiting at the nodes. I was looking to use the Geometry Generator to solve the issue, by creating a buffer, based on the midpoint of each section of the multiline geometry, less the length of the start line and end line and using dissolve to create the line.
The dataset is a PostGIS vector dataset, I cant duplicate or break the lines into individual lines.
qgis postgis geometry-generator
qgis postgis geometry-generator
edited yesterday
PolyGeo♦
53.8k1781245
asked 2 days ago
Richard McDonnellRichard McDonnell
657
edited yesterday
PolyGeo♦
53.8k1781245
asked 2 days ago
Richard McDonnellRichard McDonnell
657
edited yesterday
PolyGeo♦
53.8k1781245
edited yesterday
PolyGeo♦
53.8k1781245
edited yesterday
PolyGeo♦
53.8k1781245
53.8k1781245
asked 2 days ago
Richard McDonnellRichard McDonnell
657
asked 2 days ago
Richard McDonnellRichard McDonnell
657
asked 2 days ago
Richard McDonnellRichard McDonnell
657
657
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You can use the following expression together with geometry generator. Use Linestring as geometry type.
intersection(buffer(nodes_to_points( $geometry),2000),$geometry)
Adjust the buffer distance to your needs.
tested in QGIS 3.6
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
Well done. I was working on a similar answer but I couldn't find the functionnodes_to_points()because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.
– csk
2 days ago
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can use the following expression together with geometry generator. Use Linestring as geometry type.
intersection(buffer(nodes_to_points( $geometry),2000),$geometry)
Adjust the buffer distance to your needs.
tested in QGIS 3.6
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
Well done. I was working on a similar answer but I couldn't find the functionnodes_to_points()because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.
– csk
2 days ago
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
add a comment |
You can use the following expression together with geometry generator. Use Linestring as geometry type.
intersection(buffer(nodes_to_points( $geometry),2000),$geometry)
Adjust the buffer distance to your needs.
tested in QGIS 3.6
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
Well done. I was working on a similar answer but I couldn't find the functionnodes_to_points()because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.
– csk
2 days ago
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
add a comment |
You can use the following expression together with geometry generator. Use Linestring as geometry type.
intersection(buffer(nodes_to_points( $geometry),2000),$geometry)
Adjust the buffer distance to your needs.
tested in QGIS 3.6
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
You can use the following expression together with geometry generator. Use Linestring as geometry type.
intersection(buffer(nodes_to_points( $geometry),2000),$geometry)
Adjust the buffer distance to your needs.
tested in QGIS 3.6
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
answered 2 days ago
MrXsquaredMrXsquared
2,0111620
2,0111620
Well done. I was working on a similar answer but I couldn't find the functionnodes_to_points()because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.
– csk
2 days ago
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
add a comment |
Well done. I was working on a similar answer but I couldn't find the functionnodes_to_points()because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.
– csk
2 days ago
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
Well done. I was working on a similar answer but I couldn't find the function
nodes_to_points() because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.– csk
2 days ago
Well done. I was working on a similar answer but I couldn't find the function
nodes_to_points() because I was searching for "vertex" instead of "note" in the expression builder. So my method required exporting the vertices as a separate layer.– csk
2 days ago
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
yesterday
add a comment |
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