[OSM-newbies] How to draw land-use areas

[Sam Kuper]

On 16 April 2012 02:15, Serge Wroclawski <emacsen at gmail.com> wrote:

> On Sun, Apr 15, 2012 at 8:57 PM, James Ewen <ve6srv at gmail.com> wrote:
>
> > My personal feeling is that if you're going to map landuse to the
> > physical edge of the road, then you should create the road as a
> > polygon to show the edge of the road sharing the edge of the landuse.
>
> Roads as polygons is really poorly supported in OSM, and by poorly
> supported, I mean that for the most part, they're not at all, and
> should be avoided.
>
> While you might be able to render them, the renderer already has
> support for rendering road size based on road type- using areas will
> mess that up. In addition, AFAIK, none of the routing engines in OSM
> support roads as areas, so using them would be a problem for both
> renderers and routers.
>

In my view, OSM's lack of support for roads (which *are* polygons, not
lines) as polygons is a bug in dire need of fixing. Map roads as polygons,
I say! And any of us finds that the tools don't facilitate that, then (s)he
should stop tagging for the moment and turn her/his attention to improving
the tools.

If we get this right, then eventually we'll be able to use OSM to look up
the dimensions of roads, pavements, traffic islands, central reservations,
etc, which has the potential to be very useful in support of open planning.

Sam
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