[R-sig-Geo] shortest path

[Edzer Pebesma]

On 09/02/2012 03:51 PM, Mathieu Rajerison wrote:
> I haven't tested my function and hope it works well.

I'd suggest not to send untested code to this list, but rather share
your own attempts of testing it.

I tried Barry's function, hacked it, tried to plot the line segments in
black, and the shortest path in red, but it didn't plot a connected
path, so I'd be happy to see such a proof of concept.

Also, I strongly suggest in the following to use CRAN versions for
packages, that is if we use the old igraph, do a

require(igraph0)

however if we say

require(igraph)

we'd understand this as the current version on CRAN. In this particular
case, the packages are incompatible, and follow completely different
assumptions.
-- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763  http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics      e.pebesma at wwu.de