[GraphHopper] Waypoints and Deviation detection

[ratrun]

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,
>