Hi Ashly, if you can convert your data to an igraph graph, then the get.shortest.paths() function will calculate the shortest way to get from one node (city) to another.
I am not familiar with shapefiles, though, so I don't know how to convert them to igraph. Gabor On Tue, Oct 16, 2012 at 2:12 PM, Ashly Townsen <[email protected]> wrote: > Hi all, > > I am new to the group but familiar with R and the spatstat and maptools > packages. I want to calculate the exact distance along highways or roads > between cities, I have the street shapefile, anyone know of some application > to do it. > > Thanks > > Ashly > > > > -- > -- > Ashly Adam Townsen > University of Illinois > Department of Political Science > Editorial Assistant, International Interactions > Office: David Kinley Hall RM:323 > Email: [email protected] > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > -- Gabor Csardi <[email protected]> MTA KFKI RMKI _______________________________________________ igraph-help mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/igraph-help
