New answers tagged polyline-creation
0
votes
Creating raster layer of distance to vector layer's features (e.g. rivers, roads, lakes) in QGIS
Would urge you to explore Atlas.co (free). You can simply select your vector data as input to the distance raster operation. Easy to export the distance raster and bring it back to QGIS.
7
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Creating "horseshoe" polylines from lines in QGIS
You can use "Geometry by Expression" to buffer each line, envelope it to create a rectangle and create a line between the rectangle vertices 2-3, 3-4, 4-5 and union the three lines.
Change ...
- 77.9k
3
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Creating "horseshoe" polylines from lines in QGIS
I figured it out with a Python script, that uses the attribute toplength as the perpendicular length. Added it here if anyone needs it.
# Get the active layer
layer = iface.activeLayer() # Ensure a ...
- 537
0
votes
Creating Voronoi diagram from line segments
You can create a high resolution point grid covering the lines total extent,
Spatial join the nearest line id to each point,
Square buffer each point to create a continuous polygon grid,
Dissolve by ...
- 77.9k
0
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Creating Voronoi diagram from line segments
Actually it seems possible using cgal, here is a link to it: https://doc.cgal.org/Manual/3.1/doc_html/cgal_manual/Segment_Voronoi_diagram_2/Chapter_main.html
5
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Creating raster layer of distance to vector layer's features (e.g. rivers, roads, lakes) in QGIS
Rasterize your line layer. A fixed value to burn=1
Proximity (raster distance), target_pixels = 1, distance_units=Georeferenced coordinates
- 77.9k
0
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Connecting edges of two line features while retaining their attributes of both in QGIS
You can use the tool "Extend lines" on the layer/both layers (depending on your project structure). Chose an extension length for the beginning/end (depending on the direction of your ...
- 518
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