Dear Tobias, This is strange; I still cannot reproduce your issue on my machine, neither with "ordinary" R vectors nor with vertex sequences. Could you send me an Rdata file with an example graph and a "startnode" and "tonodes" vector that causes problems on your machine?
Best,-- T. On Wednesday, 8 August 2012 at 09:25, Tobias Heckmann wrote: > Dear Tamas, > > in the original version of my script (which worked on my old machine), > startnode is a simple R vector: > > str(startnode) > > num 177822 > > while tonodes seems to be a vector sequence: > > str(tonodes) > > Class 'igraph.vs' atomic [1:286] 157812 158206 158605 158989 159367 ... > ..- attr(*, "env")=<environment: 0x1013523c> > > in ?get.shortest.paths, it reads that the "to" argument should be a > "numeric vector, the vertices to which the shortest paths will be > calculated..." > Hence, I also tried as.numeric(tonodes) in the "to" argument, but the > error remains the same. > > Cheers, > Tobias > > Am 08/08/2012 08:43, schrieb Tamas Nepusz: > > Dear Tobias, > > > > > Until today, the following command worked well: > > > > > > paths<-get.shortest.paths(graph,from=startnode,to=tonodes,mode="out",weights=NA,output="epath") > > > > > > Today, I installed R on a 64bit machine and tried running my script again. > > > This time, the command returned the following error: > > > > > > "At structural_properties.c:659 : Size of the `vertices' and the `to' > > > should match, Invalid value" > > > > > > I have tried this now on a random graph with random start and end nodes and > > it seemed to work for me, so can you please let us know what is there in the > > "startnode" and "tonodes" variables? Are they simple R vectors? > > > > Cheers, > > Tamas > > > > _______________________________________________ > > igraph-help mailing list > > [email protected] (mailto:[email protected]) > > https://lists.nongnu.org/mailman/listinfo/igraph-help > > > > > -- > --- > Dr. Tobias Heckmann > Wiss. Angestellter > Lehrstuhl für Physische Geographie > Katholische Universität Eichstätt-Ingolstadt > Ostenstraße 18 > 85072 Eichstätt > > Tel.: 08421-93-1309 > Fax: 08421-93-1787 > > > _______________________________________________ > igraph-help mailing list > [email protected] (mailto:[email protected]) > https://lists.nongnu.org/mailman/listinfo/igraph-help _______________________________________________ igraph-help mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/igraph-help
