[pgrouting-users] some progress with assign_vertex_id

[julien bourgeois]

> This error is a postgis error generated because you have violated a
> check constraint. I would recommend make a separate database vor each
> dataset you want to load into pgrouting. The code is not currently
> designed to support multiple datasets in a singel database even if they
> are in different schemas.

I got the errors also when my dataset was loaded alone in the database.

In fact, I think the problem comes from the fact that my shapefile contains
3d data (x,y,z -- even though the z values are zeroes). Projecting the shape
in 2d, by removing the z coordinates, fixed it.

Julien