I am trying to clean a shapefile to make it usable for routing with pgrouting, postgis, postgresql.
Here an intersection, it seems to be connected but when we zoom …. It is not:
Same here :
Here (it is zoomed at max) there is 2 ways when it seems to be one, and only one is connected :
I am using assign_vertex_id with different tolerances. And QGis and postgis but I don't know what to use in it. Thanks.