On Fri, Jan 23, 2009 at 12:48 PM, Kenneth Gonsalves <[email protected]> wrote: > 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
Not true at all. Cheers, Andy _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
