Hi Pete,
I've been contacted by one of the mappers I've been training, concerned
because he had one of his squares invalidated. He's been working away at
the Lubumbashi tasks involving the tracing of buildings. [1]
From conversations I've had with you, and others involved in the
mapping of the areas, I've been teaching (& validating), on the basis
that a building without a roof can easily become a building with a roof.
I seem to remember from previous conversations that the arguments go
something like;
* 1/. It only takes a short time to put a thatched or corrugated iron
roof on the walls. The roof may be on the building before the
tracing is complete.
* 2/. Even though there is no roof on the top floor, there may be
lower floors in occupation, and the building may even still be
occupied without a roof,
* 3/. When the ground survey is being carried out, the surveyor can
get OSM updated with the correct status - but it helps them if the
building shows up on OSM & on the printouts.
I've had a read through the instructions for the projects, and through
the wiki page for buildings [2] for clarification.
Could you have a quick review and perhaps update the instructions for
the projects if you feel that is needed, or just reply to this email.
I'm happy to contact the validator concerned once I've clarified that
the instructions have not altered.
[1] http://tasks.hotosm.org/project/1253
http://tasks.hotosm.org/project/1254 http://tasks.hotosm.org/project/1228
[2] http://wiki.openstreetmap.org/wiki/Key:building
Regards
--
Nick
HOT member 'Tallguy' for
https://wiki.openstreetmap.org/wiki/Humanitarian_OSM_Team
http://www.openstreetmap.org/user/Tallguy
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