[mkgmap-dev] Possible problem with --adjust-turn-headings

Thu Aug 6 09:03:29 BST 2015

Hi all, 

I fear the new housenumber code causes a problem in combination with
--adjust-turn-headings.
The new code may add a label to service roads so that previously unnamed 
roads now have a name.  Later, the code for the --adjust-turn-headings option
may use the labels of the roads at a crossing to find out which arc is the continuation
of the incoming arc. It stops at the first match, and that may not be the best one,
and it doesn't seem to care when there are other possible matches.

As a result, the option sometimes "tweezes" headings without good reason, which
may lead to wrong route calculations.
I am not yet sure how to fix the code, as I think that there are other problems as
well, but for now I think it is better to disable this option.

Gerd

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