2014-03-09 13:17 GMT+01:00 Dave F. <[email protected]>: > it has implications on real world topology: it says which object is above >> and which below when they cross, it is not only for rendering >> > > Disagree. A bridge at the top of Everest would be tagged 'layer=1' exactly > as it would be if in Death Valley (86m below sea level)
to me it seems your example does agree with my statement > > For instance if you had an area tagged 'park' & another area within it >> tagged 'lake' you could add a 'layer' tag to 'lake' to ensure the render >> displayed it. >> > -1, you should not add any layer in this case (tagging for the renderer) > The correct expression is 'don't tag incorrectly for the renderer'. There's > /nothing/ wrong in making OSM data clearer & more accurate. +1, but adding a layer=1 to a lake in a park isn't clearer or more accurate, they are both on the same layer, the lake is in the park, not above (usually). cheers, Martin
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