[OSM-newbies] How to Change the street direction?

[Andy Robinson (blackadder-lists)]

Bassem JARKAS wrote:
>Sent: 19 May 2009 11:20 AM
>To: newbies
>Subject: [OSM-newbies] How to Change the street direction?
>
>Hello,
>I'm using JOSM and editing this area:
>http://www.openstreetmap.org/?lat=33.547&lon=36.21851&zoom=17&layers=B000FT
>F
>
>I've Duplicated the main street by pressing "Ctrl-D" and it becomes two
>streets: Way 33387805  and  Way 29270329
>and then I've tried to change the direction of "Way 33387805" by pressing
>"r"
>so far it's good in JOSM and everything is OK, but in Mapnik it has a wrong
>direction, both of the streets have the same direction.
>
>how to change that ?
>

This is because one of the ways has a oneway=-1 on it which tells Mapnik to
swap the direction arrow. Simply change the tag back to oneway=yes and the
arrows will render correctly if the ways are pointing in the correct
direction.

Cheers

Andy