Re: [HOT] Introduction

[Severin Menard]

Hi Alexander,


On Mon, Jul 7, 2014 at 1:09 PM, Alexander W. Janssen <
alexander.jans...@gmail.com> wrote:

> On Mon, Jul 7, 2014 at 10:43 AM, Dan S  wrote:
> > Hi Alex,
>
> Hi Dan!
>
> > 1) Yes, sometimes it's frustratingly difficult with low-res imagery to
> > know what you can contribute. I would say DEFINITELY carry on mapping
> > those big waterways you mention. In my experience, when we're trying
> > to map an unmapped area, having those landmarks in OSM's database
> > (waterways, major roads, residential areas) really helps future
> > mappers to have points of reference, even if they are approximate and
> > need refining later.
>
> OK, will continue with that.
>
> > 2) Re farmlands and forests: I sometimes draw these in, but not often.
> > I agree with you that it seems helpful to give a rough picture of the
> > landscape to expect, BUT on the other hand, I think having these
> > polygons all over can sometimes make the more important jobs harder:
> > jobs such as checking that every single building has been captured.
> > And since these landuse polygons are pretty much never requested in
> > the tasks (apart from landuse=residential which is often a crucial
> > first step), it seems the locals and the aid organisations don't
> > particularly need them. So I would suggest don't spend much time on
> > those.
>
> Ah, allright. Well, I prioritize anyway; if I'm in the mood I'll just
> draw it anyway :-)
>
I would say it depends on the situation. Eg in Khartoum (
http://www.openstreetmap.org/#map=12/15.7493/32.5389) I found interesting
to add the residential areas as well as the brownfields and farmlands
around or inside. Brown-fields and farmlands rather than something left
blank also say we did not miss a residential area. In Central African
Republic, basically the residential areas are surrounded by farmlands then
forest. Would be interesting to add the cultivated areas, but maybe through
a remote sensing analysis as the extent will vary from a year to another
and do not need to be extremely precise.

>
> >   If you see tasks which seem fairly complete, it
> > might be a better use of your time to get yourself to a point where
> > you feel confident enough to *validate* other people's completed
> > squares. It takes a little while to feel confident about being a
> > validator but we always need more validation effort than we get.
>
> Good point; however, when it comes to the validating part, I know how
> hard that is in my area - especially when it comes to correct road
> relations and the such. There are still many grey areas, as soon as we
> run out of unaddressed areas, I'll look other the validation part. So
> that more skilled people can concentrate on that first. Also, Is there
> a feedback process in case I'm doing something wrong? I guess if I
> make a mistake, I'll do the same over and over again. Got the wiki in
> another tab open for reference at all times, but well, you know how it
> is.
>
> > 3) Firstly, you should indeed tag the changeset with the actual
> > imagery you used.
>
> I thought so.
>
> > But secondly, if you're not careful about which
> > imagery you use, there's a risk that you might end up tracing from
> > imagery that is a couple of years old or something like that.
>
> Luckily Bing shows a date in JOSM and all of it shows 2014 up until now.
>
> > My personal approach would be to try and use the recommended imagery,
> > since someone has usually put effort in to working out which imagery
> > is most appropriate. Also, there's usually a conversation on the
> > mailing list which always gives some clues about what to use.
>
> I paid attention to this, however other people seem to have the same
> problem - MapBox/Digital Globe is not exactly high-res. In one
> occasion I could use Spot data, but that seems to be rare.
>
> I wonder if it'd be useful to use Sentinel 1-A data? It's free to use
> and available at ESA's Sentinel Data Hub. However, the 1-A satellite
> was just recently comissioned and the webinterface is a nightmare.
> Also, the data products aren't really curated yet, only level-1
> products are really useful now and we're speaking about TIFF-blobs
> hundreds of Megabytes large. I think these would've to be split to
> tiles and zoom-levels first before they're really useful to JOSM.
>
> Information about ESA's Sentinel project:
> https://sentinel.esa.int/web/sentinel/home
> Sentinel Data hub: https://senthub.esa.int/
>
> Regristration and usage is free.
>
> > Dan
>
> Alex.
>
>
> --
> The best thing about procrastinating is you can do it NOW and ANYTIME.
>
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>
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Re: [HOT] Requesting a Task for mapping forest tracks in Portugal

[Marcos Oliveira]

Thank you for all the help, Andrew and Rafael!

Rafael, that's exactly what I'm planning to do. I'll keep in contact with
you personally to discuss the various minutiae of the project as not to
spam the main mailing list.


2014-07-07 18:29 GMT+01:00 Andrew Buck :

> -BEGIN PGP SIGNED MESSAGE-
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> I added Marcos as an admin on the tasking manager so he should be able
> to just create the jobs himself once he knows the areas.
>
> - -AndrewBuck
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>
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>



-- 
Um Abraço,
Marcos Oliveira
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Re: [HOT] Requesting a Task for mapping forest tracks in Portugal

[Andrew Buck]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

I added Marcos as an admin on the tasking manager so he should be able
to just create the jobs himself once he knows the areas.

- -AndrewBuck
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Re: [HOT] Requesting a Task for mapping forest tracks in Portugal

[Rafael Avila Coya]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hi again:

You can check a job that I've just opened for testing purposes in the
dev server for the second area of my last email:
http://tasks.dev.hotosm.org/job/500

Tasks can be splited only once. I've set the zoom level to 12 (about
100 tasks). If we set it to 13, we would have around 450 tasks.

If you tell me with more exactitude what need to be the limits of the
job, much better. For example: trace the limits of the job with the
following corners: Guarda, Celorico da Beira, Mangualde, Santa Comba
Dâo, Constância, [...], Guarda.

Cheers,

Rafael.

On 07/07/14 14:09, Marcos Oliveira wrote:
> Hello everyone,
> 
> The Portuguese OSM community 
>  is looking to map
> the forest tracks of places that are under the highest risk of fire
> (link 1 ),
> (link 2 
> ),
>
> 
you can find the mailing list topic that started the discussion here
> .
>
>  The reason I'm discussing this issue with the HOT community is
> because that this past week, on the 1st of July, "Operation
> Charlie" began in Portugal 
> 
> which is a code name used by firefighters to mark the most
> dangerous period of the year.
> 
> This years' risk of fire is exacerbated by the fact that this
> winter was the most wet since 1931 
> 
> and it has caused an unusual amount of flora to grow, this can
> cause more problems for firemen 
> 
> than usual.
> 
> So, knowing there's a very high risk of fires this summer, the 
> Portuguese community is mobilizing to map tracks (information that 
> rarely exists in other maps) and to deliver this information to
> all firefighter organizations.
> 
> Having this all in mind, I concluded that using the OSM Tasking
> Manager would be the best way to organize our efforts.
> 
> Personally, I'm afraid of the possibility of a devastation equal to
> what the 2003 heat wave 
> 
> wrought. So we the Portuguese community wanted to act preemptively
> before the real emergency begins.
> 
> -- Um Abraço, Marcos Oliveira
> 
> 
> ___ HOT mailing list 
> HOT@openstreetmap.org https://lists.openstreetmap.org/listinfo/hot
> 

- -- 
Twitter: http://twitter.com/ravilacoya

- 

Por favor, non me envíe documentos con extensións .doc, .docx, .xls,
.xlsx, .ppt, .pptx, aínda podendoo facer,  non os abro.

Atendendo á lexislación vixente, empregue formatos estándares e abertos.

http://es.wikipedia.org/wiki/OpenDocument#Tipos_de_ficheros
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Re: [HOT] Requesting a Task for mapping forest tracks in Portugal

[Rafael Avila Coya]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Olá, Marco:

I could set that/those jobs in the Tasking Manager for you. For that
purpose, we need to know the areas you need to map more urgently. From
your 2011 link, I can see 3 areas in red (Very high risk - Risco muito
elevado):

1) The area that covers most of Viana do Castelo prov., going South
through the West of Vila Real and East of Braga and Oporto provinces
and West of Viseu and East of Aveiro provinces.

2) The area that covers the East half of Coimbra province, Sout West
corner of Guarda prov., West third of Castelo Branco prov. and the NE
corners of Leiria and Santarém provinces.

3) North half of Algarve.

There are other areas with more scattered reds, like in Braganza and
Guarda.

I would suggest starting with one of those 3 areas and see how the
community respond to the call.

What do you exactly want to map. Only tracks, or we include paths as
well. It would be nice to set some tagging guidelines.

I am currently in Galicia ( http://osm.org/go/b8f3vJgU-?m= ), just 10
km from the border with Viana do Castelo province, and all time for me
(no problem with communication in Portuguese).

Saúde,

Rafael Ávila Coya.


On 07/07/14 14:09, Marcos Oliveira wrote:
> Hello everyone,
> 
> The Portuguese OSM community 
>  is looking to map
> the forest tracks of places that are under the highest risk of fire
> (link 1 ),
> (link 2 
> ),
>
> 
you can find the mailing list topic that started the discussion here
> .
>
>  The reason I'm discussing this issue with the HOT community is
> because that this past week, on the 1st of July, "Operation
> Charlie" began in Portugal 
> 
> which is a code name used by firefighters to mark the most
> dangerous period of the year.
> 
> This years' risk of fire is exacerbated by the fact that this
> winter was the most wet since 1931 
> 
> and it has caused an unusual amount of flora to grow, this can
> cause more problems for firemen 
> 
> than usual.
> 
> So, knowing there's a very high risk of fires this summer, the 
> Portuguese community is mobilizing to map tracks (information that 
> rarely exists in other maps) and to deliver this information to
> all firefighter organizations.
> 
> Having this all in mind, I concluded that using the OSM Tasking
> Manager would be the best way to organize our efforts.
> 
> Personally, I'm afraid of the possibility of a devastation equal to
> what the 2003 heat wave 
> 
> wrought. So we the Portuguese community wanted to act preemptively
> before the real emergency begins.
> 
> -- Um Abraço, Marcos Oliveira
> 
> 
> ___ HOT mailing list 
> HOT@openstreetmap.org https://lists.openstreetmap.org/listinfo/hot
> 

- -- 
Twitter: http://twitter.com/ravilacoya

- 

Por favor, non me envíe documentos con extensións .doc, .docx, .xls,
.xlsx, .ppt, .pptx, aínda podendoo facer,  non os abro.

Atendendo á lexislación vixente, empregue formatos estándares e abertos.

http://es.wikipedia.org/wiki/OpenDocument#Tipos_de_ficheros
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[HOT] HOT at Okfestival

[Heather Leson]

Hi Folks, Katie Filbert has arranged a HOT session at OKfestival (next week
in Berlin).

We are having a planning session this Wednesday on Mumble. If you are
attending Okfest and would like to help out, you are most welcome.


HOT @ OkFest Prep Meeting
Date: Wednesday, July 9th
Time: 19:00 CEST/18:00 BST/17:00 UTC/13:00 EDT/10:00 PST

*Key Details*
Okfestival.org
Session Schedule - http://sched.co/1kuEQ3B
Etherpad for the event -
http://pad.okfn.org/p/Humanitarian_OpenStreetMap_mapping_workshop

Meeting location:
http://wiki.openstreetmap.org/wiki/Mumble

Thanks!

Heather


Heather Leson
heatherle...@gmail.com
Twitter: HeatherLeson
Blog: textontechs.com
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Re: [HOT] Ebola Outbreak Activation

[Ralf Stephan]

Maybe it's the time to reiterate what can be seen wrong when validating the
Ebola work so far:

Please tag
- residential highways everywhere in residences except you are sure it's a
path
- highway unclassified if a connection between res. is made
- please use surface=unpaved if not sure
- highway track only for farmer roads, not all "bad" roads

And please look for isolated houses in forest clearings.

Regards,



On Mon, Jul 7, 2014 at 2:18 PM, Pierre Béland  wrote:

> Thanks Harry
>
> With the new imagery coming, there will be many tasks to digitize. With
> this emergency in summer time, It will greatly help if other groups also
> organize mapping parties.
>
> Pierre
>
>   --
>  *De :* Harry Wood 
> *À :* Pierre Béland ; "hot@openstreetmap.org" <
> hot@openstreetmap.org>
> *Envoyé le :* Lundi 7 juillet 2014 8h40
> *Objet :* Re: [HOT] Ebola Outbreak Activation
>
> Thanks for kicking that off Pierre, and thanks for the blog update.
> http://hot.openstreetmap.org/updates/2014-07-06_reactivation_of_hot_for_the_ebola_epidemic
> (I made some minor english corrections)
>
> I guess we'll be focussing on those tasks at our little Mapathon event in
> London tomorrow evening! https://www.facebook.com/events/1502841383265312/
>
> Harry
>
> 
>
>
>
> From: Pierre Béland 
> To: "hot@openstreetmap.org" 
> Sent: Sunday, 6 July 2014, 13:57
> Subject: Re: [HOT] Ebola Outbreak Activation
>
>
>
> According to the
> latest report of WHO on Tuesday July 1, the Ebola outbreak killed 467
> people, about 759 cases of hemorrhagic fever identified in the three
> affected countries, Sierra Leone, Guinea and Liberia. This is 129
> more deaths than the previous record from a week ago, an increase of
> more than a third, a sign that the epidemic is distributed after a
> lull in April. Both MSF and Red Cross are deploying in new areas in Sierra
> Leone and need our help to map these areas.
>
> The HIU unit of the US State Dept, MapBox and Airbus & Defense are
> processing imageries. As these images arrive, more jobs will be created.
>
>
>
> With this reactivation for the Ebola Outbreak, we need again your
> participation.
>
>
> The jobs are coordinated from the Task Manager at
> http://tasks.hotosm.org/#featured/Ebola
>
>
> Pierre
>
>
>
>
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>
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Re: [HOT] Ebola Outbreak Activation

[Jean-Guilhem Cailton]

Hi Dan,

The instructions for job 568 apparently contain an error, maybe from a
copy-paste from task 574, which is the one supposed to be based on
DigitalGlobe/Mapbox image, and contains a correct link in its
instructions (for its area).

I think that job 568 was originally intended to use Bing high resolution
imagery.

Best wishes,

Jean-Guilhem


Le 07/07/2014 11:20, Daniel Joseph a écrit :
> Hey,
> Task 568 (Ebola Outbreak, Sierra Leone, Kailahun district) has in the
> instructions to attribute the changeset as source=DigitalGlobe/Mapbox
> but includes nothing about how to access imagery other than the
> standard Bing?
> The wiki has
> this 
> tms[19]:http://{switch:a,b,c}.tiles.mapbox.com/v3/openstreetmap.map-4wvf9l0l/{zoom}/{x}/{y}.png
> 
> but the resolution is much lower than Bing in the squares I've been
> working.
> Can the task manager instructions be clarified?
> Thanks,
> Dan Joseph
>
>
> On Sun, Jul 6, 2014 at 8:57 PM, Pierre Béland  > wrote:
>
> According to the latest report of WHO on Tuesday July 1, the Ebola
> outbreak killed 467 people, about 759 cases of hemorrhagic fever
> identified in the three affected countries, Sierra Leone, Guinea
> and Liberia. This is 129 more deaths than the previous record from
> a week ago, an increase of more than a third, a sign that the
> epidemic is distributed after a lull in April. Both MSF and Red
> Cross are deploying in new areas in Sierra Leone and need our help
> to map these areas.
>
> The HIU unit of the US State Dept, MapBox and Airbus & Defense are
> processing imageries. As these images arrive, more jobs will be
> created.
>
>
> With this reactivation for the Ebola Outbreak, we need again your
> participation.
>
> The jobs are coordinated from the Task Manager at
> http://tasks.hotosm.org/#featured/Ebola
>  
> Pierre
>
>
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> https://lists.openstreetmap.org/listinfo/hot
>
>
>
>
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Re: [HOT] Ebola Outbreak Activation

[Pierre Béland]

Thanks Harry

With the new imagery coming, there will be many tasks to digitize. With this 
emergency in summer time, It will greatly help if other groups also organize 
mapping parties.

 
Pierre 




 De : Harry Wood 
À : Pierre Béland ; "hot@openstreetmap.org" 
 
Envoyé le : Lundi 7 juillet 2014 8h40
Objet : Re: [HOT] Ebola Outbreak Activation
 

Thanks for kicking that off Pierre, and thanks for the blog update. 
http://hot.openstreetmap.org/updates/2014-07-06_reactivation_of_hot_for_the_ebola_epidemic
 
(I made some minor english corrections)

I guess we'll be focussing on those tasks at our little Mapathon event in 
London tomorrow evening! https://www.facebook.com/events/1502841383265312/

Harry





From: Pierre Béland 
To: "hot@openstreetmap.org"  
Sent: Sunday, 6 July 2014, 13:57
Subject: Re: [HOT] Ebola Outbreak Activation



According to the
latest report of WHO on Tuesday July 1, the Ebola outbreak killed 467
people, about 759 cases of hemorrhagic fever identified in the three
affected countries, Sierra Leone, Guinea and Liberia. This is 129
more deaths than the previous record from a week ago, an increase of
more than a third, a sign that the epidemic is distributed after a
lull in April. Both MSF and Red Cross are deploying in new areas in Sierra 
Leone and need our help to map these areas.

The HIU unit of the US State Dept, MapBox and Airbus & Defense are processing 
imageries. As these images arrive, more jobs will be created.



With this reactivation for the Ebola Outbreak, we need again your 
participation. 


The jobs are coordinated from the Task Manager at 
http://tasks.hotosm.org/#featured/Ebola


Pierre 



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[HOT] Requesting a Task for mapping forest tracks in Portugal

[Marcos Oliveira]

Hello everyone,

The Portuguese OSM community 
is looking to map the forest tracks of places that are under the highest
risk of fire (link 1 
), (link 2
),
you can find the mailing list topic that started the discussion here
.

The reason I'm discussing this issue with the HOT community is because that
this past week, on the 1st of July, "Operation Charlie" began in Portugal

which
is a code name used by firefighters to mark the most dangerous period of
the year.

This years' risk of fire is exacerbated by the fact that this winter was
the most wet since 1931

and
it has caused an unusual amount of flora to grow, this can cause more
problems for firemen

than
usual.

So, knowing there's a very high risk of fires this summer, the Portuguese
community is mobilizing to map tracks (information that rarely exists in
other maps) and to deliver this information to all firefighter
organizations.

Having this all in mind, I concluded that using the OSM Tasking Manager
would be the best way to organize our efforts.

Personally, I'm afraid of the possibility of a devastation equal to what
the 2003 heat wave
 wrought.
So we the Portuguese community wanted to act preemptively before the real
emergency begins.

-- 
Um Abraço,
Marcos Oliveira
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Re: [HOT] Ebola Outbreak Activation

[Harry Wood]

Thanks for kicking that off Pierre, and thanks for the blog update. 
http://hot.openstreetmap.org/updates/2014-07-06_reactivation_of_hot_for_the_ebola_epidemic
 
(I made some minor english corrections)

I guess we'll be focussing on those tasks at our little Mapathon event in 
London tomorrow evening! https://www.facebook.com/events/1502841383265312/

Harry


From: Pierre Béland 
To: "hot@openstreetmap.org"  
Sent: Sunday, 6 July 2014, 13:57
Subject: Re: [HOT] Ebola Outbreak Activation



According to the
latest report of WHO on Tuesday July 1, the Ebola outbreak killed 467
people, about 759 cases of hemorrhagic fever identified in the three
affected countries, Sierra Leone, Guinea and Liberia. This is 129
more deaths than the previous record from a week ago, an increase of
more than a third, a sign that the epidemic is distributed after a
lull in April. Both MSF and Red Cross are deploying in new areas in Sierra 
Leone and need our help to map these areas.

The HIU unit of the US State Dept, MapBox and Airbus & Defense are processing 
imageries. As these images arrive, more jobs will be created.



With this reactivation for the Ebola Outbreak, we need again your 
participation. 


The jobs are coordinated from the Task Manager at 
http://tasks.hotosm.org/#featured/Ebola


Pierre 



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Re: [HOT] Introduction

[Alexander W. Janssen]

On Mon, Jul 7, 2014 at 10:43 AM, Dan S  wrote:
> Hi Alex,

Hi Dan!

> 1) Yes, sometimes it's frustratingly difficult with low-res imagery to
> know what you can contribute. I would say DEFINITELY carry on mapping
> those big waterways you mention. In my experience, when we're trying
> to map an unmapped area, having those landmarks in OSM's database
> (waterways, major roads, residential areas) really helps future
> mappers to have points of reference, even if they are approximate and
> need refining later.

OK, will continue with that.

> 2) Re farmlands and forests: I sometimes draw these in, but not often.
> I agree with you that it seems helpful to give a rough picture of the
> landscape to expect, BUT on the other hand, I think having these
> polygons all over can sometimes make the more important jobs harder:
> jobs such as checking that every single building has been captured.
> And since these landuse polygons are pretty much never requested in
> the tasks (apart from landuse=residential which is often a crucial
> first step), it seems the locals and the aid organisations don't
> particularly need them. So I would suggest don't spend much time on
> those.

Ah, allright. Well, I prioritize anyway; if I'm in the mood I'll just
draw it anyway :-)

>   If you see tasks which seem fairly complete, it
> might be a better use of your time to get yourself to a point where
> you feel confident enough to *validate* other people's completed
> squares. It takes a little while to feel confident about being a
> validator but we always need more validation effort than we get.

Good point; however, when it comes to the validating part, I know how
hard that is in my area - especially when it comes to correct road
relations and the such. There are still many grey areas, as soon as we
run out of unaddressed areas, I'll look other the validation part. So
that more skilled people can concentrate on that first. Also, Is there
a feedback process in case I'm doing something wrong? I guess if I
make a mistake, I'll do the same over and over again. Got the wiki in
another tab open for reference at all times, but well, you know how it
is.

> 3) Firstly, you should indeed tag the changeset with the actual
> imagery you used.

I thought so.

> But secondly, if you're not careful about which
> imagery you use, there's a risk that you might end up tracing from
> imagery that is a couple of years old or something like that.

Luckily Bing shows a date in JOSM and all of it shows 2014 up until now.

> My personal approach would be to try and use the recommended imagery,
> since someone has usually put effort in to working out which imagery
> is most appropriate. Also, there's usually a conversation on the
> mailing list which always gives some clues about what to use.

I paid attention to this, however other people seem to have the same
problem - MapBox/Digital Globe is not exactly high-res. In one
occasion I could use Spot data, but that seems to be rare.

I wonder if it'd be useful to use Sentinel 1-A data? It's free to use
and available at ESA's Sentinel Data Hub. However, the 1-A satellite
was just recently comissioned and the webinterface is a nightmare.
Also, the data products aren't really curated yet, only level-1
products are really useful now and we're speaking about TIFF-blobs
hundreds of Megabytes large. I think these would've to be split to
tiles and zoom-levels first before they're really useful to JOSM.

Information about ESA's Sentinel project:
https://sentinel.esa.int/web/sentinel/home
Sentinel Data hub: https://senthub.esa.int/

Regristration and usage is free.

> Dan

Alex.


-- 
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Re: [HOT] Ebola Outbreak Activation

[Enock Seth Nyamador]

Hi Daniel,

"source=DigitalGlobe/Mapbox" depends on the imagery used. So when you use
Bing " source=Bing", If am right you want Bing to be indicated on Task
568:as well.

I've also experienced lower resolution and poor satellite imageries but I
hope as time goes on they will be improved soon.
--
Enock
On Jul 7, 2014 9:22 AM, "Daniel Joseph"  wrote:

> Hey,
> Task 568 (Ebola Outbreak, Sierra Leone, Kailahun district) has in the
> instructions to attribute the changeset as source=DigitalGlobe/Mapbox but
> includes nothing about how to access imagery other than the standard Bing?
> The wiki has this tms[19]:
> http://{switch:a,b,c}.tiles.mapbox.com/v3/openstreetmap.map-4wvf9l0l/{zoom}/{x}/{y}.png
> but the resolution is much lower than Bing in the squares I've been
> working.
> Can the task manager instructions be clarified?
> Thanks,
> Dan Joseph
>
>
> On Sun, Jul 6, 2014 at 8:57 PM, Pierre Béland  wrote:
>
>>  According to the latest report of WHO on Tuesday July 1, the Ebola
>> outbreak killed 467 people, about 759 cases of hemorrhagic fever identified
>> in the three affected countries, Sierra Leone, Guinea and Liberia. This is
>> 129 more deaths than the previous record from a week ago, an increase of
>> more than a third, a sign that the epidemic is distributed after a lull in
>> April. Both MSF and Red Cross are deploying in new areas in Sierra Leone
>> and need our help to map these areas.
>>
>> The HIU unit of the US State Dept, MapBox and Airbus & Defense are
>> processing imageries. As these images arrive, more jobs will be created.
>>
>>
>> With this reactivation for the Ebola Outbreak, we need again your
>> participation.
>>
>> The jobs are coordinated from the Task Manager at
>> http://tasks.hotosm.org/#featured/Ebola
>>
>> Pierre
>>
>>
>> ___
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>>
>
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Re: [HOT] Ebola Outbreak Activation

[zaid . bhatti]

How can I un-subscribe to not receive these loop e-mails. Please suggest.

From: Daniel Joseph [mailto:dan.b.jos...@gmail.com]
Sent: Monday, July 07, 2014 2:21 PM
To: Pierre Béland
Cc: hot@openstreetmap.org
Subject: Re: [HOT] Ebola Outbreak Activation

Hey,
Task 568 (Ebola Outbreak, Sierra Leone, Kailahun district) has in the 
instructions to attribute the changeset as source=DigitalGlobe/Mapbox but 
includes nothing about how to access imagery other than the standard Bing?
The wiki has this 
tms[19]:http://{switch:a,b,c}.tiles.mapbox.com/v3/openstreetmap.map-4wvf9l0l/{zoom}/{x}/{y}.png
but the resolution is much lower than Bing in the squares I've been working.
Can the task manager instructions be clarified?
Thanks,
Dan Joseph

On Sun, Jul 6, 2014 at 8:57 PM, Pierre Béland 
mailto:pierz...@yahoo.fr>> wrote:
According to the latest report of WHO on Tuesday July 1, the Ebola outbreak 
killed 467 people, about 759 cases of hemorrhagic fever identified in the three 
affected countries, Sierra Leone, Guinea and Liberia. This is 129 more deaths 
than the previous record from a week ago, an increase of more than a third, a 
sign that the epidemic is distributed after a lull in April. Both MSF and Red 
Cross are deploying in new areas in Sierra Leone and need our help to map these 
areas.

The HIU unit of the US State Dept, MapBox and Airbus & Defense are processing 
imageries. As these images arrive, more jobs will be created.


With this reactivation for the Ebola Outbreak, we need again your participation.

The jobs are coordinated from the Task Manager at 
http://tasks.hotosm.org/#featured/Ebola

Pierre


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Re: [HOT] Ebola Outbreak Activation

[Daniel Joseph]

Hey,
Task 568 (Ebola Outbreak, Sierra Leone, Kailahun district) has in the
instructions to attribute the changeset as source=DigitalGlobe/Mapbox but
includes nothing about how to access imagery other than the standard Bing?
The wiki has this tms[19]:
http://{switch:a,b,c}.tiles.mapbox.com/v3/openstreetmap.map-4wvf9l0l/{zoom}/{x}/{y}.png
but the resolution is much lower than Bing in the squares I've been working.
Can the task manager instructions be clarified?
Thanks,
Dan Joseph


On Sun, Jul 6, 2014 at 8:57 PM, Pierre Béland  wrote:

>  According to the latest report of WHO on Tuesday July 1, the Ebola
> outbreak killed 467 people, about 759 cases of hemorrhagic fever identified
> in the three affected countries, Sierra Leone, Guinea and Liberia. This is
> 129 more deaths than the previous record from a week ago, an increase of
> more than a third, a sign that the epidemic is distributed after a lull in
> April. Both MSF and Red Cross are deploying in new areas in Sierra Leone
> and need our help to map these areas.
>
> The HIU unit of the US State Dept, MapBox and Airbus & Defense are
> processing imageries. As these images arrive, more jobs will be created.
>
>
> With this reactivation for the Ebola Outbreak, we need again your
> participation.
>
> The jobs are coordinated from the Task Manager at
> http://tasks.hotosm.org/#featured/Ebola
>
> Pierre
>
>
> ___
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>
>
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Re: [HOT] Introduction

[Dan S]

Hi Alex,

Welcome to HOT! I stumbled upon HOT a bit like you did. My personal,
non-authoritative perspective on your questions:

1) Yes, sometimes it's frustratingly difficult with low-res imagery to
know what you can contribute. I would say DEFINITELY carry on mapping
those big waterways you mention. In my experience, when we're trying
to map an unmapped area, having those landmarks in OSM's database
(waterways, major roads, residential areas) really helps future
mappers to have points of reference, even if they are approximate and
need refining later.

2) Re farmlands and forests: I sometimes draw these in, but not often.
I agree with you that it seems helpful to give a rough picture of the
landscape to expect, BUT on the other hand, I think having these
polygons all over can sometimes make the more important jobs harder:
jobs such as checking that every single building has been captured.
And since these landuse polygons are pretty much never requested in
the tasks (apart from landuse=residential which is often a crucial
first step), it seems the locals and the aid organisations don't
particularly need them. So I would suggest don't spend much time on
those.
  If you see tasks which seem fairly complete, it
might be a better use of your time to get yourself to a point where
you feel confident enough to *validate* other people's completed
squares. It takes a little while to feel confident about being a
validator but we always need more validation effort than we get.

3) Firstly, you should indeed tag the changeset with the actual
imagery you used. But secondly, if you're not careful about which
imagery you use, there's a risk that you might end up tracing from
imagery that is a couple of years old or something like that. My
personal approach would be to try and use the recommended imagery,
since someone has usually put effort in to working out which imagery
is most appropriate. Also, there's usually a conversation on the
mailing list which always gives some clues about what to use.

Hope this helps -
Best
Dan

2014-07-07 9:24 GMT+01:00 Alexander W. Janssen :
> Hi,
>
> I'm new to this list and I wanted to give a shout and say Hello. I'm
> using OSM now for... uh, frankly, I don't remember, but I only started
> mapping a few years ago. I mostly do it in my vacations and create
> GPS-tracks during my hikes. Ever since I can't walk very good any
> more, I started to improve maps in my area - mostly in the suburbs
> where streets are correctly mapped, but houses and their addresses are
> missing.
>
> I just stumbled upon HOT; I immediately liked the idea and started
> working on some Ebola Outbreak tasks.
>
> That's also why I'm writing this email, I have a few questions.
>
> 1) Imagery isn't that good - at least not for most the tasks I was
> randomly assigned too - and I'm having a hard time finding the
> proper... quality expectation. When imagery is bad I try at least
> drawing big waterways (as areas/multipolygons) using Landsat or
> MapBox. I don't quite think that the actual result is that good. What
> is best practice here - do it anyway so that at least basic
> information is available or just leave it alone?
> 2) When I get assigned to a task which looks pretty complete when it
> comes to villages, houses, streets and the such, I draw farmlands and
> forests. From my point of view - when I go to remote areas - I like it
> when the map gives me a basic idea about how the landscape looks like.
> However, the validation process takes longer. Should I continue
> drawing these areas or just skip it?
> 3) Especially regarding the tasks "Ebola Outbreak, Sierra Leone,
> Kailahun district": It says I should comment the changeset with
> "source=DigitalGlobe/Mapbox" - however, that imagery is either non
> existent or not that good - Landsat (and Spot, where available) give
> much better results. In JSOM I generally just say "fetch sources from
> active layers". I guess I'm doing it right...?
>
> Thanks!
> Alex. (user yalla)
>
> --
> The best thing about procrastinating is you can do it NOW and ANYTIME.
>
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[HOT] Introduction

[Alexander W. Janssen]

Hi,

I'm new to this list and I wanted to give a shout and say Hello. I'm
using OSM now for... uh, frankly, I don't remember, but I only started
mapping a few years ago. I mostly do it in my vacations and create
GPS-tracks during my hikes. Ever since I can't walk very good any
more, I started to improve maps in my area - mostly in the suburbs
where streets are correctly mapped, but houses and their addresses are
missing.

I just stumbled upon HOT; I immediately liked the idea and started
working on some Ebola Outbreak tasks.

That's also why I'm writing this email, I have a few questions.

1) Imagery isn't that good - at least not for most the tasks I was
randomly assigned too - and I'm having a hard time finding the
proper... quality expectation. When imagery is bad I try at least
drawing big waterways (as areas/multipolygons) using Landsat or
MapBox. I don't quite think that the actual result is that good. What
is best practice here - do it anyway so that at least basic
information is available or just leave it alone?
2) When I get assigned to a task which looks pretty complete when it
comes to villages, houses, streets and the such, I draw farmlands and
forests. From my point of view - when I go to remote areas - I like it
when the map gives me a basic idea about how the landscape looks like.
However, the validation process takes longer. Should I continue
drawing these areas or just skip it?
3) Especially regarding the tasks "Ebola Outbreak, Sierra Leone,
Kailahun district": It says I should comment the changeset with
"source=DigitalGlobe/Mapbox" - however, that imagery is either non
existent or not that good - Landsat (and Spot, where available) give
much better results. In JSOM I generally just say "fetch sources from
active layers". I guess I'm doing it right...?

Thanks!
Alex. (user yalla)

-- 
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Re: [HOT] HOT Tech WG Meeting X+13

[Dražen Odobašić]

A short reminder, HOT Tech WG meeting is today at 17:00 UTC

http://www.timeanddate.com/countdown/generic?p0=1440&iso=20140707T17&msg=HOT%20Tech%20WG%20Meeting%20X%2b13


On 03.07.2014 13:43, Dražen Odobašić wrote:
> Hi everyone,
> 
> A short reminder that the next Tech WG meeting is scheduled on #hot IRC at 
> 17:00
> UTC, next Monday (7.7.2014.) [0]
> 
> Tentative agenda makes another appearance so if you want to report/discuss
> something please update the document, the order is not important:
> https://hackpad.com/TWG-Meeting-X13-Tentative-Agenda-VcdpOV1h0Zq
> 
> 
> Dražen
> 
> [0]
> http://www.timeanddate.com/countdown/generic?p0=1440&iso=20140707T17&msg=HOT%20Tech%20WG%20Meeting%20X%2b13
> 


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