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Finding overlapping line geometries (including subsets) in QGIS

This worked for me: Use the 'Select by location'-Tool with 'overlap', and compare the layer with itself. It will select all overlapping features in the relevant layer. I'm not completely sure how well ...
i.i.k.'s user avatar
  • 1,709
1 vote

Finding overlapping line geometries (including subsets) in QGIS

I'm a bit surprised how tricky this appears to be. Like you say, it's straightforward enough to find duplicates, but subsets of lines not so much. Anyway, here's a way of adding a visual indication of ...
SirLostalot's user avatar
0 votes

Get all OSM-objects for landuse=meadow

I suspect that by far the easiest way with an extract will be to load it into a database using osm2pgsql, and let that decide what is a (multi)polygon or not. Then just select polygon objects out of ...
SomeoneElse's user avatar
4 votes
Accepted

Assigning Z value along line on raster using QGIS

Optionally create a small buffer around your line Rasterize your vector layer (Processing Toolbox/GDAL/Vector conversion/Rasterize with attribute or fixed value). It'll burn the the value into the ...
Zoltan's user avatar
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2 votes
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Merging attributes from line layer and polygon layer in QGIS

i think you can use the Join attributes toolbox from QGIS. first try with line and polygon shapefile (hex). If that fails, then you can try to create a very small buffer over the line shapefile and ...
noob_noob's user avatar
1 vote

Snapping line on grid / cell edges

Densify the line, than snap each vertex to the closest corner of the cell grid an re-connect the points to a line. Best first delete all grid cells that do not intersect the line to make processing ...
Babel's user avatar
  • 73.1k
0 votes

Snapping line on grid / cell edges

Use network tool shortest path along the edges of the grid: Select the grid cells (dotted lines on the screenshot) that intersect the line (blue) with Select by Location (yellow cells are selected). ...
Babel's user avatar
  • 73.1k
0 votes

Creating average polyline from set of polylines

Suppose you construct an x-axis-array and a y-axis-array each having around 1000 entries. Each point on each line will have two axis indexes (1000 * (x - x_min)) // (x_max - x_min), one for x and one ...
kcrossen's user avatar

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