[GraphHopper] Waypoints and Deviation detection

[Diego Guidi]

I'm also very interested to point A and B, so I hope someone can answer :)

Diego Guidi


On Thu, Mar 6, 2014 at 8:19 AM, ratrun <ratrun at gmx.at> wrote:
> Regarding issue 1) "Via": This is already available in a branch and a pull
> request is waiting: see
>
> github.com/graphhopper/graphhopper/pull/147
>
> regards,
>
> ratrun
>
>
> Am 06.03.2014 05:10, schrieb David Ssali:
>
>> Greetings...
>> I have been scratching my head on two issues
>> 1) How to get a route via a certain point. Say i need to move from point A
>> to C via B.I know the obvious  thing is to get the route from A to B then B
>> to C but i wonder if there's a direct way to do this using Graphhopper.
>>
>> 2) How to detect a deviation.
>> I came up with an algorithm where if the Heading or bearing is different
>> from the heading to the next point on the route, then i assume there's a
>> deviation...of course putting in a degree of error. But the challenge is
>> that sometimes there may be a sharp corner which causes the car to point in
>> the "wrong" heading yet it is actually still on the correct path.
>> Is this something that Graphhopper has already dealt with? If not, could
>> someone help me with a better algorithm to handle it?
>>
>> Regards,
>>
>
>
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