Hi, Am 2017-03-16 um 05:13 schrieb Tod Fitch: > The “direction” tag [1] has different uses that seem disjoint to me. > To specify the orientation (compass point or degrees from north) of an object > (adit or cave entrance, etc.). > To specify direction (clockwise/counterclockwise) around a roundabout (not > sure why this is needed as it should be apparent from local laws or specified > with a “oneway=yes”). > To indicate the direction (forward/backward) a stop or yield (give way) sign > has effect along a way. > Oddly, that third use seems only for stop and yield signs but not for traffic > signals where a “traffic_signals:direction=forward | backward” tag is to be > used. However that seems to be the most used form [2]. Apparently some have > figured that if we have “traffic_signals:direction” there should be > “stop:direction” [3] and “give_way:direction” [4] tags.
A direction tag is also used for railway signals, it's called railway:signal=forward/backward/both. Both tags were used the first time end of 2011 when the development of the current railway signal tagging scheme started. Best regards Michael -- Per E-Mail kommuniziere ich bevorzugt GPG-verschlüsselt. (Mailinglisten ausgenommen) I prefer GPG encryption of emails. (does not apply on mailing lists)
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