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[mkgmap-dev] removal of parallel lines

From Mike Baggaley mike at tvage.co.uk on Mon Mar 8 23:54:04 GMT 2021

Hi all,

At low resolutions I would like to be able to remove parallel lines so that
(for example) only a single motorway carriageway or railway track is shown
instead of  two or (in the case of the West Coast Main Line) four lines,
which due to different Douglas Peucker line simplifications end up crossing
each other, look messy and add unnecessary lines to the overview.

Has anyone done this before or have any ideas about how I might go about it?


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