On Friday 23 Jan 2009 6:00:08 pm Sven Rautenberg wrote: > > if the way is "layer=0" and the bridge is "layer=0" too > > (the crossing way under is "layer=-1", digged) > > then the bridge has no ramps. > > Something with negative layer has to be a tunnel. Bridges are useless if > there is a tunnel. Do not tag bridges as "layer=0" just because there > are no ramps. The layer tag is to help a renderer put the ways in the > right visual order - not to indicate whether or not a way is elevated or > not. Do not tag ways as "layer=-1" just because they are below the > general earth surface (such as rivers).
this is important - only underground rivers should be given a -1 layer tag -- regards Kenneth Gonsalves Associate NRC-FOSS http://nrcfosshelpline.in/web/ _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
