I would encourage typing like this, NOT LIKE THIS IN UPPERCASE Mar 6, 2025, 21:11 by tagging@openstreetmap.org:
> HELLO EVERYONE. I WOULD LIKE TO GET SOME THOUGHTS ON AN EARLY BRAINSTORM OF A > MAST RELATION. PLEASE SEE MY INITIAL THOUGHTS BELOW AND I WELCOME ANY > ADDITION, FEEDBACK, SUGGESTIONS, ETC. > > ----- > > MAST RELATION > > > > > > MAST RELATIONS AREUSED TO CONVEY MULTIPLE ELEMENTS THAT EXIST ON A SINGLE > MAST OR BETWEEN TWO MASTS SUCH ASMULTIPLE STREET SIGNS ON A SINGLE POST OR A > LARGE TELECOMMUNICATIONSTOWER WITH MULTIPLE TYPES AND SIZES OF EQUIPMENT, OR > A FLAGPOLE WITHMULTIPLE FLAGS. > > > > > > EACH ELEMENT SHOULDBE TAGGED AS A NODE WHERE THEY ARE IN THE WORLD, EVEN IF > THAT MEANSOVERLAPPING NODES. EACH ELEMENT SHOULD BE TAGGED IN THE RELATION > WITHAN EMPTY ROLE, IN ORDER OF FURTHEST AWAY FROM THE GROUND TO THECLOSEST TO > THE GROUND AND FROM THE FURTHEST AWAY FROM THE CENTER TOTHE CLOSEST TO THE > CENTER. SUCH RELATION ORDERING IS COMMONLY USED INROUTE RELATIONS AND WILL > APPLY TO MAST RELATIONS AS WELL. > > > > > > FOR EXAMPLE, IF ASTOP SIGN IS BELOW A STREET SIGN IN THE UNITED STATES, BUT > THEY SHAREA POLE, THE TAGGING WOULD BE: > > > > > > RELATION > > > `TYPE=MAST` > > > > > > STREET SIGN > > > `TRAFFIC_SIGN=US:D3-1[MAIN STREET]` > > > > > > STOP SIGN > > > `TRAFFIC_SIGN=US:R1-1` > > > > > > IN THE ORDER OFSTREET SIGN, STOP SIGN. > > > > > > THIS RELATION CANALSO BE USED FOR THINGS LIKE SIGNS OR CAMERAS THAT SHARE A > POST WITHA UTILITY WIRE, LARGE ADVERTISING BILLBOARDS WITH SIGNS > FACINGMULTIPLE DIRECTIONS, AND FLAGPOLES WITH MULTIPLE FLAGS. > > > > > > WITH REGARD TOSTREET LIGHTS ON WIRES, THIS SHOULD BE TREATED THE SAME AS BUS > ROUTESTHAT ARE NOT A LOOP, WHERE 3 RELATIONS ARE NECESSARY. ONE FROM > THEPERSPECTIVE OF EACH POLE, AND AN OVERALL MAST RELATION TO HOUSE BOTH(OR > ALL) RELATIONS ON THE LINE. > > > > > > THE USE OF HEIGHTAND LAYER IS ENCOURAGED BUT NOT REQUIRED. IF A WIRE IS USED > ASDESCRIBED ABOVE, THE WIRE ITSELF SHOULD BE PART OF THE RELATION ASWELL, > JUST AS WAYS ARE A PART OF A BUS ROUTE. > > > > > > IDEALLY, ELEMENTSCAN BE ADDED TO THE RELATION WITHOUT A CORRESPONDING NODE, > TO BEPLACED IN THE SAME COORDINATE AS THE RELATION IN THE DATABASE. THIS,TO > MY KNOWLEDGE, IS NOT A CAPABILITY OPENSTREETMAP HAS AS OF WRITING. > > >
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