[Tagging] layer=-1, rivers, bridges and tunnels

Martin Koppenhoefer dieterdreist at gmail.com
Sat Mar 15 12:31:20 UTC 2014

> Am 14/mar/2014 um 16:35 schrieb Fernando Trebien <fernando.trebien at gmail.com>:
> From this logic, layer=-1 means the object is >rendered< beneath
> anything that has layer=0 (or, conversely, that anything with layer=0
> is rendered on top of anything with layer=-1). It does not mean that
> it >is< in fact below it (though it almost always is).

no, the opposite is true, you will render stuff as you like (when using dashed lines for underground features you might opt to render them above other lines for instance), but the real world stacking order is given by the layer tag


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