Friday, 26 August 2016

Deleting all lines not perpendicular to another line layer using QGIS?


I am using the latest QGIS 3.4.4


I have a layer 1 which has a bunch of lines in all directions. I have another layer 2 intersecting those lines.


I want to delete all the lines in layer 1 that do not cross perpendicularly to layer 2.


Data: You can download the two line layers here


This seems simple but I cant seem to get it right.


Here is an example of the data I am working with





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