[talk-ph] [HOT] Typhoon Haiyan Mapping Progress

Sun Nov 10 07:14:57 UTC 2013

In response to the active map ups on Yolanda crisis areas, I will be
updating the Garmin Routable maps based on OSM "daily" until needed.

This is in case an up-to-date GPS offline map may be needed by our field
relief volunteers.

http://www.s1expeditions.com/p/openstreetmaps.html

Ervin Malicdem
for Schadow1 Expeditions - A Filipino must not be a stranger to his own
motherland.
http://www.s1expeditions.com
On Nov 10, 2013 12:08 PM, "Eugene Alvin Villar" <seav80 at gmail.com> wrote:

> Hello everyone,
>
> There are 2 additional HOT Tasks that have been created:
>
> 1. http://tasks.hotosm.org/job/339 - Mapping villages in Samar and Leyte
> (just the residential areas and roads, no need for buildings)
>
> 2. http://tasks.hotosm.org/job/340 - Mapping in detail selected areas
> that are known to have been highly affected by the typhoon
>
>
>
> On Sat, Nov 9, 2013 at 9:41 PM, Andrew Buck <andrew.r.buck at gmail.com>wrote:
>
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>> I agree that wider coverage will be needed and I had hoped that by now
>> we would have a better indication of where to map as well.  My reason
>> for staying with Tacloban for so long was largely due to lack of
>> knowing where else to shift focus to (although I did allude to this a
>> bit by suggesting the other villages on the coast northeast of
>> Tacloban), more importantly due to a second fact...
>>
>> When we map an area, it is only really useful for us to map areas that
>> the aid organizations we work with will be responding to.  For the aid
>> organizations that don't know about, or don't know how to use, our
>> map; then no matter how good the coverage is, it doesn't help them.
>> This is the main reason I chose to focus on Tacloban.  It is badly hit
>> (as were many other places as you rightly point out) but it is also a
>> provincial capital, and it is the largest town in the immediate area.
>>  Because of this I figured that most of the international response
>> would likely be directed there, and since it is mostly the
>> international orgs that we tend to work with I figured the map data
>> would be most useful there.
>>
>> Now, that being said I want to make it clear that the explanation
>> above is not necessarily an argument for continuing to focus entirely
>> on Tacloban, just merely an explanation of why I hadn't directed
>> people elsewhere yet.  I agree that we will need to spread out our
>> efforts at some point, and that point may be approaching, the question
>> is where to focus next.  As I mentioned previously, I think the
>> villages along the coast to the northeast will be hard hit (and due to
>> their proximity to Tacloban will likely receive international aid).
>> There are also villages along the coast to the south of Tacloban that
>> will have been hit hard as well since the eye passed directly over
>> them.  The eye track will likely have done the most damage, or the
>> area to the north of the eye track since the storm rotates
>> counterclockwise as it moves westward.
>>
>> If anyone has better suggestions of where to spread out to I am
>> certainly open to them.  Like I said I am not saying we need to stay
>> at Tacloban (and the surrounding area) just explaining why I was
>> continuing focus there.  I know the storm affected a lot to the west
>> as well but I figured this would be trickier to map for two reasons.
>> 1) it is a larger area with not such and obvious target for
>> international aid, and 2) the wind speeds were lower to the west due
>> to the storm being disrupted by the islands.  As for the idea of
>> mapping the area affected by the earthquake to the south, my
>> understanding (and this could be wrong) was that most of what we could
>> do remotely has already been done when the earthquake hit.
>>
>> So that is all of my reasoning at the current time for our current
>> focus.  I hope to begin hearing more concrete info from aid orgs today
>> so I might redirect people when I hear from them, but for now my
>> advice would be to try to continue with Tacloban (especially the low
>> lying areas) and simultaneously spread out into the surrounding
>> villages until/unless we get something concrete from an aid org.
>>
>> - -AndrewBuck
>>
>>
>>
>>
>> On 11/09/2013 05:25 AM, Jean-Guilhem Cailton wrote:
>> > Hi,
>> >
>> > According to Al Jazeera, the death toll could be very high, sadly.
>> > And several millions of people have been affected.
>> >
>> > I'd like to remind that an often-mentioned weakness of OSM is the
>> > uneven quality of the coverage, and that it is not because you have
>> > a hammer that everything is a nail.
>> >
>> > So, while Tacloban was indeed hit very badly, and a detailed
>> > building map there is undoubtedly useful, it might also be useful
>> > if some of the mappers who wish to contribute took a broader view,
>> > to map, for example, some of the roads and villages that are
>> > visible on (sometimes recent) high resolution Bing imagery
>> > (http://osmph.github.io/Imagery_Coverage_Map/), but sometimes
>> > still unmapped in OSM. (Not to mention the rivers).
>> >
>> > GNS (http://wiki.openstreetmap.org/wiki/GNS) can also be a good
>> > source for names, even if it sometimes includes old versions of
>> > duplicated nodes with inaccurate location. High resolution imagery
>> > can be useful to tell which is right in these cases.
>> >
>> > Best wishes,
>> >
>> > Jean-Guilhem
>> >
>>
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