Thanks Nick, that was a helpful kickstart. The one query I still have
is are all the blue structures tents? As you say, most have appeared
where there was once a building and in some cases they are alongside.
I've not tagged any as tents as most seem to be in place of a building
or as well as a building so I wonder wether they are "tarps" that have
been draped over ruins or damage? So I've simply marked the building
as damaged.
Jonathan
http://bigfatfrog67.me
On 20/12/2013 00:18, Nick Allen wrote:
Hi,
Having just completed one of the squares for this task, a few notes
which may help (It's not easy, so be prepared to take your time & do
your best);
If using JOSM, load not only the imagery linked to the task, but also
Bing or whatever imagery was first used. By hiding the different
layers you can then compare the before (Bing?) & after imagery to see
how the building has changed.
Alignment - slightly different to the existing tracing. As usual no
gps traces available, but always worth trying.
History - Be prepared to look at the history of buildings - on my
square someone had been creating new buildings using the post disaster
imagery 12 hours before I started - they were only tagged as
building=yes, so it took me a few minutes of investigation to work out
what had been done (Ctrl+h in JOSM will bring up the history of a
selected node or way).
Tents - I'm fairly certain that at least two of the buildings added 12
hours ago are actually tents - they are on the site of old buildings
or nearby, but are a completely different outline. I've done a search
on the wiki, but nobody seems to have been mentioning tagging them
before - I've tagged mine 'building=tent' until someone comes up with
a better scheme.
Nick
Volunteer 'Tallguy' for
https://wiki.openstreetmap.org/wiki/Humanitarian_OSM_Team
Mapping volunteer 'Tallguy' for http://www.openstreetmap.org
<http://www.openstreetmap.org/>
Treasurer, website & Bonus Ball admin for
http://www.6thswanleyscouts.org.uk/ ([email protected]
<mailto:[email protected]>)
On 19/12/13 03:06, Banick, Robert wrote:
Hello All,
Greetings from Manila.
As efforts to alleviate the damages from Typhoon Haiyan / Yolanda in
the Philippines shift from response to recovery the need for
detailed, precise information about damages and recovery rates has
become more pressing. Agencies are still investing lots in
mass-distribution style emergency shelter relief but are already
looking at the next stage of "supporting self-recovery" activities
and the eventual move towards permanent shelter solutions.
One of the more affected municipalities in Haiyan's path is Carles,
on the Northeastern tip of Panay Island. Much like the islands of
neighboring municipality Estancia to the south, the exposed islands
of Carles and the buildings along its shores were hit hard by the
typhoon. Survivors are doing an inspiring job of putting their lives
in order and moving on but the need for assistance and support is
still real. We've create a task to support this process at:
http://tasks.hotosm.org/job/392
To support that assistance process we'd like to assess the damages at
a building-by-building level. Our hope is to better target assistance
from aid agencies in the area, track reconstruction progress at a
building level and verify the accuracy of these assessments through
OSM for future work.
Thanks to the continued generosity of the U.S. State Department,
we've been able to procure post-disaster imagery for the municipality
of Carles on the northeast tip of Panay Island. Please download the
imagery into your editing software of choice and be sure to insert
the necessary tags to recognize the NextView license's part in the
data so created.
Many thanks to all of you for your contributions and continued
support. I cannot speak enough to how well received OSM is by
government, NGOs and companies alike here. This operation represents
a huge leap forward in terms of the credibility and recognition of
OSM for disaster response purposes.
Best,
Robert
*Robert Banick* | Field GIS Coordinator | International Services |
ÌAmerican Red Cross <http://www.redcross.org/>
2025 E Street NW, Washington, DC 20006
Tel 202-303-5017 | Cell 202-805-3679 | Skype robert.banick
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