On 3/30/2017 12:31 AM, Lluís Vicens wrote:
That's the idea because all the buildings imported in 2010 has a
unique and common tag (source=Ajuntament de Girona). So, it is
possible to select all entities where building=yes and
source=Ajuntament de Girona.
I've been also exploring the existing data and there's no extra tags
on the buildings such as "roof:height" or "roof:color", etc... the
only tags present on the current buildings are:
building=yes
local_code= XXXX
source=Ajuntament de Girona
type=multipolygon
Regarding to the content of the data, the official data contains all
the buildings of the municipality (urban and rural) and as far as I
could check, there are no extra buildings mapped by other mappers
besides of the massive upload done in 2010.
In any case, if there is any extra building mapped before the massive
upload, it can not have the tag source = Ajuntament de Girona if not
source = survey or anything else.
This won't work. It will select buildings that have been modified. A
trickier problem is detecting where data was imported in 2010 and
deleted since then.
Additionally, you should not be replacing old data with new data if the
city data has remained the same between 2010 and now.
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