Pierre,
I haven't worked on any of the lower squares yet, but I have found that
there are several gps traces.
It's worth checking for gps traces, and if you get one of more, align
the roads to the trace(s), then align the imagery to the trace. I'm
tagging roads that have a gps trace as
source=gps;Bing for their length which matches a gps trace.
Regards
Nick
(Tallguy)
On 02/07/14 16:54, Pierre Béland wrote:
For the task manager job http://tasks.hotosm.org/job/572, there is an
Imagery offset problem in a section of the job, since two different
images are overlapped.
This problem arizes with the first two bottom rows in the left section
of the Job. In this area, we observe an offset of approx. 30 meters
between th two Bing images that overlap. You will see the more
detailed image if you zoom in closely (under 40 meters with JOSM),
In such situations,if a village is offset 30 meters with the rest of
the world, this is not a great problem. But inside the village, we
want to respect the overall geometry, the alignment between individual
buildings and roads. If a previous mapper used the less detailed
imagery, I suggest that you simply do the same and just complete
adding objects not already traced.
Pierre
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Nick
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