> Is it safe for me to simply divide the decoded coordinates by 10? Yes it is safe to do that. Polyline encodes arbitrary integers. Multiplication by a factor and rounding is the first step. Dividing by the factor is the last step.
Sadly the python implementation hard-codes this factor. Might be up for a rewrite? Cheers, Patrick On Mon, Oct 5, 2015 at 2:24 AM, Daniel Patterson <dan...@mapbox.com> wrote: > Hey Bryan, > > The simplest thing to might be to just add "compression=false" to your > /viaroute request. That'll give you back a plain JSON array of coordinates, > rather than in encoded form. > > daniel > >> On Oct 4, 2015, at 4:57 PM, Bryan Coutts <bryan.coutts1...@gmail.com> wrote: >> >> I'm trying to use OSRM to supply routes as polylines. I've noticed that, >> when I use a standard decoder to decode these polylines (i.e. Python's >> polyline package), the lat/lon coordinates I get are multiplied by a factor >> of 10. Googling around, I found that this is due to OSRM producing >> coordinates at a higher precision; is there a way for me to decode these >> without writing my own decoder, or digging into an existing one? Is it safe >> for me to simply divide the decoded coordinates by 10? >> >> Thanks, >> Bryan >> _______________________________________________ >> OSRM-talk mailing list >> OSRM-talk@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/osrm-talk > > > _______________________________________________ > OSRM-talk mailing list > OSRM-talk@openstreetmap.org > https://lists.openstreetmap.org/listinfo/osrm-talk _______________________________________________ OSRM-talk mailing list OSRM-talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/osrm-talk
