<div dir="ltr">Hi Peter, the objective I have is to provide the mappers with a tagging scheme to use that will get them a good routing result. <div><br></div><div>The reason is that I did some test routing in the philippines and the engine provided a solution that looked good on paper, but was not feasible on the road. This I know as I have driven the different areas and the roads are not passable for a car in a lot of cases or may even be seasonal, or appear to be the fastest, but in fact, would be very slow due to hazards, buses stopping frequently, lack of passing lanes, etc These roads should be tagged in a way that forces the engine to choose a longer route on major highways as the quickest way to get from A to B<div>
<br></div><div>If the tagging scheme could be put into the config file and read at startup, that would be cool, then each instance could identify which tags were relevant to the osm files being routed, and it could even be extended to have different configs for different times of the year (eg: seasonal roads that are fine in dry season but problematic in rainy season)<br>
</div><div><br></div><div>In the philippines, I suspect there will be quite a bit of mapping work needed to get the map to a state where graphhopper will route reliably to cover this type of scenario</div><div><br></div>
<div>
Cheers</div><div><br></div><div>Mark</div><div><br></div><div><br></div></div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div><br></div><div>Regards</div><div><br></div><div>Mark Cupitt</div><div>
<br>
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<br><br><div class="gmail_quote">On Fri, May 16, 2014 at 4:43 PM, Peter K <span dir="ltr"><<a href="mailto:peathal@yahoo.de" target="_blank">peathal@yahoo.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>The code can be updated by people too
:)<br>
I'm not sure if this is necessary. What we should probably
concentrate on is making this tag-parsing and -evaluating cleaner
and probably accessible by scripting languages.<br>
<br>
Regards,<br>
Peter.<br>
<br>
</div><div><div class="h5">
<blockquote type="cite">
<div dir="ltr">Thanks Peter, will see if I can turn this into a
Wiki that can be updated by people. I want to propose a clear
tagging scheme that works best with Graphhopper so mappers know
how get the most out of the information they are entering into
OSM
<div>
Cheers</div>
<div>Mark</div>
</div>
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<div>
<div dir="ltr">
<div><br>
</div>
<div>Regards</div>
<div><br>
</div>
<div>Mark Cupitt</div>
<div><br>
</div>
<div>
<div>"If we change the world, let it bear the mark of our
intelligence"</div>
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<div class="gmail_quote">On Thu, May 15, 2014 at 4:30 PM, Peter
K <span dir="ltr"><<a href="mailto:peathal@yahoo.de" target="_blank">peathal@yahoo.de</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
This is currently only documented in the code (and unit
tests). E.g.:<br>
<a href="https://github.com/graphhopper/graphhopper/blob/master/core/src/main/java/com/graphhopper/routing/util/CarFlagEncoder.java" target="_blank">https://github.com/graphhopper/graphhopper/blob/master/core/src/main/java/com/graphhopper/routing/util/CarFlagEncoder.java</a><br>
<br>
Regards,<br>
Peter.<br>
<div><br>
<br>
On 15.05.2014 06:31, Markware Software Services wrote:<br>
> Hi Peter, I have been digging thorugh teh docs on
GIT, but have not<br>
> been able to find which tags in OSM Graphhopper uses
to prepare its<br>
> graphs<br>
><br>
> Obviously 'oneway' would be used, maybe speed,
highway = ?? (is it all<br>
> of the tags or just some)<br>
><br>
> Is this documented anywhere, I suspect I am missing
the obvious<br>
><br>
> Regards<br>
><br>
> Mark Cupitt<br>
><br>
> "If we change the world, let it bear the mark of our
intelligence"<br>
<br>
<br>
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