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<body class='hmmessage'><div dir='ltr'>Hi,<br><br>reg. routing errors:<br>I think we should only consider results of current software,<br>means, recent maps created by Garmin or with latest versions<br>of mkgmap and latest Garmin software (firmware or PC<br>software).<br>So, if you can reproduce a case where Garmin<br>software ignores restrictions, please post details,<br>else I prefer to think that mkgmap is writing wrong<br>img data.<br><br>Besides that I fear that Felix is right, the risk is high<br>that the cycleway is not connected to other roads.<br><br>Unfortunately it is quite complex to detect parallel roads,<br>I already needed that for the housenumber code and found<br>no algo.<br><br>Gerd<br><br><div>> Date: Mon, 17 Aug 2015 17:05:00 +0300<br>> From: marko.makela@iki.fi<br>> To: mkgmap-dev@lists.mkgmap.org.uk<br>> Subject: Re: [mkgmap-dev] bicycle=use_sidepath<br>> <br>> On Mon, Aug 17, 2015 at 03:34:26PM +0200, Felix Hartmann wrote:<br>> >Definitely not I would say. It will just cause routing to break down <br>> >for cyclists IMHO. Too often such sidepathes won't be connected - or <br>> >maybe the sidepath is not even entered in OSM.<br>> <br>> It might not even matter if the sidepaths have been entered and <br>> connected. For long-distance routing, I believe that the Garmin Edge 705 <br>> completely ignores cycleways for the middle section of the route. <br>> Cycleways would only be considered for the first and last 5 kilometers <br>> or so.<br>> <br>> So, if you have a 50-kilometer route that would involve riding on a <br>> cyclepath next to a highway=trunk, Garmin Edge 705 would send you on a <br>> 200-kilometer detour using smaller roads. I had this happen to me a few <br>> years ago. Ways like http://www.openstreetmap.org/way/167517631 were <br>> being ignored, and http://www.openstreetmap.org/way/17065902 was tagged <br>> bicycle=no already then.<br>> <br>> That said, I guess that treating more bicycle=* values in the same way <br>> as bicycle=no will not make the situation much worse. If you want proper <br>> long-distance bicycle routing, you have to use a precalculated route (or <br>> better routing software, such as Brouter).<br>> <br>> Marko<br>> _______________________________________________<br>> mkgmap-dev mailing list<br>> mkgmap-dev@lists.mkgmap.org.uk<br>> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev<br></div> </div></body>
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