Hello everyone,
for an analysis of bird movements, I need to count every line within a
vector grid.
I have a line layer (with self-intersecting lines) and a vector grid.
Now I want to count the lines in each raster. First I split the lines by
intersecting the line layer with the vector grid.
Second, I need to do a multipart to singlepart for the lines because I
want to count each line for each grid individually.
Now here is the problem: The lines are intersecting itself and at every
intersection, the multipart-to-singlepart tool makes new parts of the
lines. If I then count the lines within a grid, the result is too high
because of the parts of the same line which were counted.
How can I avoid this, are there other workarounds?
(Question already at stackexchange.com :
https://gis.stackexchange.com/questions/258004/qgis-lines-multipart-to-singlepart-without-splitting-at-self-intersection)
Thanks for help!
Martin
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