[OSM-talk] Key:layer update

Martin Koppenhoefer dieterdreist at gmail.com
Sun Mar 9 12:03:03 UTC 2014

> Am 09/mar/2014 um 12:35 schrieb "Dave F." <davefox at madasafish.com>:
> This is not my understanding of the layer tag. It is a tool to help renderers place objects on top of each other & has no real world implication in differences of height.

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

> 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)


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