I would suggest any (!) automatically dupe node analysis tool to respect
every possible tag present at two nodes.
Even two nodes describing two doctors in one building with different
opening hours are sometimes wanted to be at the same coordinates, there
is nothing describing anything like level, elevation or layer; and
nothing needed.
Collapsing these will produce wrong data as the opening hours of the one
is connected to the other without intent.
At least the user pointed to some issue of that kind should be advised
to be carefully - more carfully than at nodes without tags on the same
location.
regards
Peter
Am 08.01.2011 10:19, schrieb Ed Avis:
Vincent Pottier<vpottier<at> gmail.com> writes:
QA tools like Keepright make it feasible to monitor and maintain
large areas in a fully correct topology.
But Keepright is bugged on that point.
We have had to revert about 300 changesets from someone who glued nodes
with different ele values on survey marks. Keepright (and other) ignore
the ele tag.
I believe keepright does take note of the layer tag to see when two ways are
not intended to meet, but I guess it doesn't know about ele. (I didn't know
about that tag either - not that I am any kind of OSM expert - just saying that
it is little used in some countries where the data isn't available.)
I've sent a message to Harald K., the keepright maintainer, to ask if this
can be fixed.
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