Re: [talk-ph] [HOT] Preparations for Typhoon Haiyan

2013-11-07 Thread Andrew Buck
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I loaded GPS tracks in the area and the imagery looks to be aligned
very well (as is typical of almost all of the newer Bing imagery, they
seem to have improved their process in the last year or so).  I assume
the mis-aligned data in the area is probably taken from older imagery
that was not aligned well.

- -AndrewBuck

On 11/07/2013 09:50 AM, maning sambale wrote:
> Dear Tom,
> 
> On Thu, Nov 7, 2013 at 11:21 PM, Tom Taylor
>  wrote:
>> I picked a task in the city proper, where I find on first
>> examination that some mapping has already been done. No source is
>> given and there is about a 7 meter offset from Bing. Does anyone
>> know if this is based on ground survey?
> 
> Have you loaded the GPS tracks around the area (mostly in the
> major routes)?  AFAIK, there are local mappers in this city.
> 
> 
> 

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Re: [talk-ph] [HOT] Preparations for Typhoon Haiyan

2013-11-07 Thread maning sambale
Dear Tom,

On Thu, Nov 7, 2013 at 11:21 PM, Tom Taylor  wrote:
> I picked a task in the city proper, where I find on first examination that
> some mapping has already been done. No source is given and there is about a
> 7 meter offset from Bing. Does anyone know if this is based on ground
> survey?

Have you loaded the GPS tracks around the area (mostly in the major
routes)?  AFAIK, there are local mappers in this city.



-- 
cheers,
maning
--
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
--

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Re: [talk-ph] [HOT] Preparations for Typhoon Haiyan

2013-11-07 Thread maning sambale
(Adding the talk-ph list)

Thank you Andrew and Harry for coordinating.  There were discussions
in the local list to also focus on mapping
the same general area as you mentioned [0].

Another concern is the island of Bohol island [1] also along the
typhoon path.  Bohol was one of the most severely affected
by the magnitude 7.2 earthquake last week. Many of the residents are
still in makeshift houses and maybe affected by strong winds and heavy
rains. Unfortunately imagery in this area is very limited.

Advance thanks for those helping.

[0] https://lists.openstreetmap.org/pipermail/talk-ph/2013-November/004711.html
[1] http://www.openstreetmap.org/?relation=1550487#map=10/9.8685/123.9917

PS.  I just got home from another OSM 3-day training for DRR with a
local government unit and DRR personnel.  We finished the training
today, but most of our participants are in full alert tonight in
preparation for the possible rescue and response operations due to
Haiyan/Yolanda within their respective town/villages.


On Thu, Nov 7, 2013 at 11:05 PM, Andrew Buck  wrote:
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>
> Hello everyone,
>
> Currently a category 5 typhoon named Haiyan (also being called Yolanda
> in the Philippines) is currently headed for the Philippines.  The eye
> of the storm should make landfall about 24 hours from now and it will
> continue westward over the islands over the course of about a day
> after that.
>
> The storm track has very high confidence from the computer models
> predicting its path so this gives us an opportunity to begin mapping
> the affected areas before the storm even hits.  You can see the
> predicted track as well as the current location of the storm at the
> short URL below (which is a link to the 'WunderMap' from Weather
> Underground, a great site for this kind of info).  Note that although
> the storm itself is quite large only the strip along the center of the
> ground track where the eye will pass (about 20 to 50 miles wide) will
> be heavily affected by winds and storm surge, although a wide area
> will recieve heavy rain so flooding and landslides are possible,
> especially given that the ground is already saturated from another
> storm that passed the area just a few days ago.
>
> http://wxug.us/19i5j
>
>
> The town most likely to be affected significantly is the town of
> Tacloban (Population ~220,000).  There have already been about 2,500
> people evacuated in this town and I would expect that this is where
> relief efforts (if they come) will be centered.  Although the
> population is fairly large, the town is pretty packed together and
> mapping it should not take too long.
>
> I have created a task manager job to help coordinate any mapping
> efforts, but this should not be taken as indication of steps toward
> activation, we are still just preparing in case the situation becomes
> an emergency, it is not an emergency yet and there has been no call
> for mapping at this time.  This is all just to be prepared.
>
> http://tasks.hotosm.org/job/338
>
>
> Also, to further coordinate Harry Wood has created a wiki page for the
> typhoon event as a whole.  Again, this is just being done as a
> precaution, no call for activation yet.  Please contribute if you have
> time, but if you are working on other more urgent tasks then those
> should probably remain your priority.
>
> http://wiki.openstreetmap.org/wiki/Typhoon_Haiyan_(2013)
>
>
> Thank you in advance to anyone who contributes to the mapping and
> hopefully we will be prepared if our maps end up being needed.
>

-- 
cheers,
maning
--
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
--

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