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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 QGISRotate 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 attributesSimple workflow for a GPX track export from GIS data, avoiding illogical geometry (on QGIS)?Create a line string from street geometry
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
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 Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
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 Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
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 Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
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 Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
edited Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
edited Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
edited Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
edited Mar 26 at 10:11
PolyGeo♦
54.5k17 gold badges84 silver badges253 bronze badges
54.5k17 gold badges84 silver badges253 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
asked Mar 25 at 14:57
Richard McDonnellRichard McDonnell
657 bronze badges
657 bronze badges
add a comment |
add a comment |
1 Answer
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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 Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
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
Mar 25 at 17:31
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
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 Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
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
Mar 25 at 17:31
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
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 Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
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
Mar 25 at 17:31
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
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 Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
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 Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
answered Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
answered Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
answered Mar 25 at 17:28
MrXsquaredMrXsquared
3,1941 gold badge10 silver badges26 bronze badges
3,1941 gold badge10 silver badges26 bronze badges
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
Mar 25 at 17:31
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
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
Mar 25 at 17:31
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
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
Mar 25 at 17:31
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
Mar 25 at 17:31
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
MrXsquared, Thank you very much for this, much appreciated!!
– Richard McDonnell
Mar 26 at 9:54
add a comment |
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