[R-sig-Geo] Shortest-path (railway) distance calculation using R

[Daisuke Murakami]

Thank you for the interesting advice.
I'll check it.

Daisuke,


> Hi,
>
> You could use igraph package to do this
> See Barry Rowlingson's method  : http://rpubs.com/geospacedman/routing
>
> Otherwrise, with OSM data, you can use osmar package.
> But I don't think you can coerce a SpatialLines object to an osmar one.
> Maybe if you convert your data into OSM XML data using GDAL first ?
> http://osmar.r-forge.r-project.org/
>
> Hope this helps,
>
> Mathieu
>
>
> 2013/10/24 Daisuke Murakami <muraka51 at sk.tsukuba.ac.jp>
>
>> Thank you very much!
>> Daisuke
>>
>> > Have you looked at http://cran.r-project.org/web/views/Spatial.html,
>> > specifically the `rgeos` package?
>> >
>> > Cheers,
>> > Roman
>> >
>> >
>> >
>> >
>> > On Wed, Oct 23, 2013 at 11:03 AM, Daisuke Murakami <
>> > muraka51 at sk.tsukuba.ac.jp> wrote:
>> >
>> >> Hi everyone,
>> >>
>> >> I try to calculate railway distances from a railway station to the
>> other
>> >> stations on R.
>> >> I have shp files of the stations and railway.
>> >>
>> >> Does anyone know useful R package/function for the distance
>> calculation?
>> >>
>> >> Sincerely,
>> >> Daisuke
>> >>
>> >> _______________________________________________
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>> >>
>> >
>> >
>> >
>> > --
>> > In God we trust, all others bring data.
>> >
>>
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>