[pgrouting-users] problem with pgrouting.

[Daniel Kastl]

Valeria,

This depends on your data. Distance might be your current cost already.
You can get the total distance with SELECT sum(length(rt.the_geom)) ... .

If you want to have time you might need a "speed" attribute for your
road link table.

Daniel


Valeria Muñoz schrieb:
>  
>   how can i get the distance,time, if you have to turn right o to turn
> left??
>  
> RG
>
>
> 2009/2/4 Valeria Muñoz <valemunoz at gmail.com <mailto:valemunoz at gmail.com>>
>
>     Stephen you are right i change to :
>      
>
>     SELECT assign_vertex_id('edges', 0.000001, 'the_geom', 'gid');
>      and works!!! thanks!!
>      
>
>
>     2009/2/4 Stephen Woodbridge <woodbri at swoodbridge.com
>     <mailto:woodbri at swoodbridge.com>>
>
>         Valeria,
>
>         What projection is your shapefile in? it looks like WGS84 or
>         NAD83 from your coordinates below. So when you did:
>
>         SELECT assign_vertex_id('edges', 0.001, 'the_geom', 'gid');
>
>         you should probably have done:
>
>         SELECT assign_vertex_id('edges', 0.000001, 'the_geom', 'gid');
>
>         The tolerance needs to be in the units of your data. This will
>         probably give better results.
>
>         You should probably drop the database and start over with a
>         new load and use the statement above when you get to that step.
>
>         -Steve
>
>
>         Valeria Muñoz wrote:
>
>             Hi
>              I followed a little tutorial works perfectly with the
>             shapefile from the example, but to use mine the result is
>             not expected, generating lines are not continuous, I think
>             I missing some coordinates or something to work with my
>             shapefile.
>              tutorial url
>             http://www.utdallas.edu/~ama054000/rt_tutorial.html
>             <http://www.utdallas.edu/%7Eama054000/rt_tutorial.html>
>              query:
>              the query is optimal path between 887 y 852. :
>             SELECT rt.gid, AsText(rt.the_geom) AS wkt,
>                               length(rt.the_geom) AS length, calle.gid
>                            FROM calle,
>                                (SELECT gid, the_geom
>                                    FROM dijkstra_sp_delta(
>                                        'calle',
>                                        887,
>                                        852,
>                                        3000)
>                                 ) as rt
>                            WHERE calle.gid=rt.gid;
>             result:
>              "gid";"wkt";"length";"gid"
>             4389;"MULTILINESTRING((-71.1951327440651
>             -30.5911350429583,-71.1957462426904
>             -30.5912128948402,-71.1957861853043
>             -30.591219747929,-71.1958400125164
>             -30.591211719682))";0.000713367403530106;4389
>             4603;"MULTILINESTRING((-71.1939954028678
>             -30.5921681162637,-71.1939834234752
>             -30.5922241673576,-71.1938231446269
>             -30.5925509466888))";0.000421286769021393;4603
>             4331;"MULTILINESTRING((-71.1950174992082
>             -30.5919506007811,-71.1950526139385
>             -30.5916919152203))";0.000261057969957178;4331
>             4608;"MULTILINESTRING((-71.1938231446269
>             -30.5925509466888,-71.1937648360013
>             -30.5926358138883))";0.00010296765211197;4608
>             RG
>             attached image.
>              please help!!..
>
>             ------------------------------------------------------------------------
>
>
>             ------------------------------------------------------------------------
>
>             _______________________________________________
>             Pgrouting-users mailing list
>             Pgrouting-users at lists.postlbs.org
>             <mailto:Pgrouting-users at lists.postlbs.org>
>             http://lists.postlbs.org/mailman/listinfo/pgrouting-users
>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Pgrouting-users mailing list
> Pgrouting-users at lists.postlbs.org
> http://lists.postlbs.org/mailman/listinfo/pgrouting-users
>