Please note that emphasis is on POLYGON here NOT POLYLINES!

I need

  • Buffer/s on one polygon,
  • with two touching features
  • and straight touching parts after difference has been applied

I do not want this result:

enter image description here

but, rather something like this (the solid black lines, I've scribbled over the lines I don't want in blue)

enter image description here

I need the buffers to end at the shortest line between the buffer boundary (of the union of the features), and the exterior ring intersection points of the two features.

This solution does not work for Polygons as far as I attempted: How to achieve “Flat-End” line buffers in QGIS?

  • i've edited the question, although I'm sure it's a duplicate, but I can't find the original :-/ – Steven Kay May 22 '17 at 21:47

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