[postgis-users] Issue in getting Dijkstra result

[Anton Patrushev]

Hi,

It is difficult to say why you got empty result. Probably there is no
any way between nodes 1 and 14, or probably there is something wrong
with your data. If your data is not very big, you can post it here.

Anton.

On Thu, Oct 8, 2009 at 10:25 AM, Supunmali Ahangama
<supunmali7 at gmail.com> wrote:
>
> Hi,
>
> I am doing an application to find the optimal path using Dijkstra function
> in pgrouting. I created the topology for the road data. It didnt give any
> exception and did work fine when i did it through pgAdmin111 (create source
> node, target node for each edge and vertices_tmp).
>
> But when i did run the
>
>
>            DROP TABLE IF EXISTS dijsktra_result;
>
> CREATE TABLE dijsktra_result(gid int4) with oids;
>
> SELECT AddGeometryColumn('dijsktra_result', 'the_geom', '-1', 'LINESTRING',
> 2);
>
> INSERT INTO dijsktra_result(the_geom)
>
>            SELECT the_geom FROM dijkstra_sp('edgesnew', 1, 14);
>
>
> This runs (without any error), but it don't affect any rows. There is
> nothing in the created table dijsktra_result.
>
> What should I need to do get the results?
>
>
> --
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>
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