[talk-au] Mapnik rendering

Ian Sergeant inas66+osm at gmail.com
Fri Sep 2 03:44:28 BST 2011

On 2 September 2011 11:26, John Henderson <snowgum at gmx.com> wrote:

> On 02/09/11 10:16, Ian Sergeant wrote:
>> Hi,
>> I'm pretty sure mapnik doesn't render highway=ford on a way.  It is
>> probably for the best that it doesn't, IMO.
>> See
>> http://forum.openstreetmap.**org/viewtopic.php?pid=7510#**p7510<http://forum.openstreetmap.org/viewtopic.php?pid=7510#p7510>and
>> http://wiki.openstreetmap.org/**wiki/Stylesheet<http://wiki.openstreetmap.org/wiki/Stylesheet>for information on what is
>> included in the stylesheets.
>> And
>> http://trac.openstreetmap.org/**ticket/2944<http://trac.openstreetmap.org/ticket/2944>
>> for a trac item about rendering fords.
>> And the wiki for the discussion on tagging fords at the expense of the
>> type of the underlying highway.
> Thanks for that info.  I'm still puzzled as to what you mean by "tagging
> fords at the expense of the type of the underlying highway".  I actually
> hope I'm not missing something obvious.
> I did have that way tagged as highway=unclassified and ford=yes, but the
> OSM wiki wording suggests that's for places which just might get wet. The
> ford I'm concerned with is long, is the river bed of the Shoalhaven River,
> and is always submerged.  So the wiki is adamant it's highway=ford.
> Have I missed some alternative way of having OSM show that the road at the
> river is a through road, and doesn't just stop at either side?
See http://wiki.openstreetmap.org/wiki/Key:ford for the discussion I'm
referring to.

Of course you can follow having highway=ford, and highway=unclassified
ford=yes to mean different things, but in my opinion that is

So, if I were you, I would either use highway=ford on a node, rather than a
way, or use highway=unclassified, ford=yes.

Any any event, the mapnik layer isn't (by intention) currently going to
render highway=ford on a way.

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