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[mkgmap-dev] [PATCH v1] - drive on left + roundabout direction checking

From Mark Burton markb at ordern.com on Sun Sep 27 19:06:16 BST 2009

As suggested, moved from rhd to dol.

Two options are now available --drive-on-left and --drive-on-right.

By default, you should not have to specify either because mkgmap now
determines the side of the road to drive on from the direction
of the first roundabout it processes. But if you don't like
its choice, you can specify one of these options to override it.

Also, it now issues a warning for each roundabout it finds that appears to go
in the wrong direction. I just got 720 warnings when I processed the GB
map so either there is a problem with the code or there is a lot of duff
roundabouts. I checked a handful of them and they were all wrong.

Please give it a go and if you find any of the warnings to be wrong,
please post the OSM URL of the roundabout in question.

Mark
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