[OSM-talk] colour fills in osmarender

[Etienne]

On 6/9/06, Raphaël Jacquot <sxpert at esitcom.org> wrote:
> TM wrote:
>
> > But what if roundabouts were defined (or treated by the routing
> > algorithm) as points, albeit of a special kind? Would this make sense?
> > (If they were regular points, displaying the data  would mean
> > visualising the data structure rather than describing actual features of
> > the physical road network. Surely, this would not make sense, as we'd
> > need separate datasets for rendering and routing.)
>
> One idea I had was to have a topology layer above the graphic
> representation layers that would represent things like roundabouts and
> flat intersections as one node.
>

If ways are restricted so that they cannot have loops and branches
then another layer would be very useful, for example, to allow a set
of ways to be given the same name tag without data duplication.

Etienne