Linked Questions
27 questions linked to/from Finding centrelines from polygons in QGIS
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Creating road center line from Grid-Polygon Shapefile using QGIS
I have the shapefiles for the polygon part which are colored as yellow but there is no any specific shapefile for the white parts( roads).
Note: I have seen the same question here as below but it didn'...
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Simplify networks from OSM in qgis
I want to make something like in this question in QGIS.
In ArcGIS there is available Make Divided Roads plugin. Is there easy way to make the same job in QGIS?
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How to create "roof line" for a general polygon area?
I have a polygon with an arbitrary shape ( assume that it is well-formed with no self intersection, no duplicated points etc), and I need to subdivide the polygon into sub-polygons like how one would ...
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Finding centrelines from polygons in R sf
Has anyone found a solution for turning polygons into centrelines using R? It has to be in R as I'm deploying it in parallel on a UNIX cluster. I've got as far as:
library(sf)
centreline <- ...
- 191
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Automated crop row detection
I'm trying to identify crop row automatically (or as automated as possible). So far I can identify lines using supervised classification in QGIS (semiclassificationplugin) or Ecognition, I ...
- 854
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3
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Automatically clean GPS based line files that have multiple traverses and GPS drift using QGIS 3
Given a GPS Log with floating lines within ~5m at a time, is there any process that will automatically clean these and smooth these out?
I have tried Smooth, Simplify, Saga Line Smoothing and ...
- 8,298
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Create polygon center line with Python script [closed]
Does anyone have a stand alone python script that will find the center line of a polygon and output as a separate feature class? I have a basic ArcMap license 10.6 (no extensions) and I would like to ...
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Calculate a straight or centerline of a polygon [duplicate]
I have drawn some roads as polygon and I wish to know if it is possible to calculate how long the roads are.
I imagine that somehow QGIS can figure out the centerline of a polygon and create or ...
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Draw a centroid line through a line-like polygon feature?
I have all these line segments travelling between points:
I want all the one close to each other to be merged into a single feature. So I dissolved them like so:
Now I just want one line travelling ...
- 717
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Splitting line into two lines with GRASS GIS?
I converted a raster to polygon, after converting polygon to lines I have one line of the channel of a river which border a river. But I need to split this line in two lines: left border and right ...
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Calculating the line with which the buffer was created
My problem is that I have a buffer with a 800m diameter but need to have a 1km diameter.
I don't have the line-feature on which the buffer was created ... so I want to recreate the line by doing the ...
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