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I'm updating speed cameras. They all have a enforcement relation type Relation tags: enforcement=maxspeed maxspeed= name= type=enforcement Members: from= to= device=* But some of the speed cameras also have on the device node, set name, maxspeed and highway=speed_camera. Are these tags on the device node needed? Also all roads with speed cameras, has maxspeed set/tag. Is still the maxspeed needed on the device-node or relation? |
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Tagging the speed camera itself with all the details is the older way to do it. Enforcement relations have been added later (albeit already a long time ago). So repeating the information may assist backward capability. It is not wrong. Even if the maxspeed is tagged to the road you need to give the max_speed details on the relation (and on the node if you like). Depending on situation it is not always easy to derive the speed limit relevant for the camera and I doubt many data consumers are even trying. 1
Thanks for answer and info. I have seen the tag "highway=speed_camera" on some camera/device-nodes, but not all. But your suggestion of giving the node a purpose with a such tag, sounds good.
(07 Mar '22, 16:03)
Msiipola
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