Changes between Version 78 and Version 79 of Help/Concepts/Object


Ignore:
Timestamp:
2016-09-03T10:10:58+02:00 (9 years ago)
Author:
openstreetmap.org-user-d1g
Comment:

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  • Help/Concepts/Object

    v78 v79  
    6363
    6464A water object ({{{natural=water}}}), a building ({{{building=*}}}) or administrative boundary ({{{admin_level=*}}} tag) usually consist of the  multiple spatially separated parts belonging to the one object. More importantly, each of these parts can have exclusions ([https://en.wikipedia.org/wiki/Enclave_and_exclave enclaves/exclave] or simply islands or swamps in the water basins).
     65
     66* Parts are created using "{{{outer}}}" role
     67* Holes inside parts - using "{{{inner}}}" role
     68* rarely, if nesting is more complex than ''single outer'' and ''single inner ring'', role swapping can continue: outer-inner-outer-inner-...
     69* Outer and inner rings shouldn't have common nodes (but validator will warn you about this and other mistakes)
    6570
    6671Multi-polygon specific tools: