Re: [HOT] Kaliganadaki Landslides - Mapping Tasks

[john o'l]

I added a point near 23.4 83.6 to show my best guess on location based on
some of the video coming out of the area. It is about 1km SSE of your rough
pointer.
https://youtu.be/eIMm3lZZsgk
https://youtu.be/VHQSd9itRec

On Sun, May 24, 2015 at 3:02 AM, Nirab Pudasaini 
wrote:

> We don't have the exact location as of yet. But from the reports and the
> name of the VDC it should be roughly around http://osm.org/go/zso_H0RC?m=
> this place.
>
> On Sun, May 24, 2015 at 3:37 PM, Julian Haag  wrote:
>
>>
>> -BEGIN PGP SIGNED MESSAGE-
>> Hash: SHA1
>>
>> Hello Nirab and the rest of KLL, Namaste!
>>
>> I looked into #1071 and began mapping near Baglung. There are tousands of
>> buildings, lots of residential areas. I tried to find out, where the
>> landslide was to start work from this point, but I failed. Can you point
>> out, where this landslide was?
>>
>> Everybody who have some problems with newbies: This is your chance, there
>> is little or nothing to correct there... Its nearly a white spot in OSM. In
>> the last two hours I added thousands of nodes and I still need a couple of
>> hours to complete this Task. I will split it up as soon as all highways are
>> mapped..
>>
>> Greetings to KLL, keep up the good work!
>>
>> Julian
>>
>>
>> Am 24.05.2015 um 08:40 schrieb Nirab Pudasaini:
>> > Hi all,
>> >
>> > Due to the rain yesterday there was a massive landslide that swept away
>> an entire Village in Myagdi district. This landslide has created an
>> artificial dam which is already risen to 150 meters and is already 1 km
>> long. A village upstream have been completely submerged.
>> >
>> > There is a huge risk that this dam might burst as we are still having
>> heavy rain and also the aftershocks of the earthquake.
>> >
>> > I have created four tasks in the tasking manager and have defined
>> priority areas along the river.
>> > Here are the tasks
>> > http://tasks.hotosm.org/project/1070
>> > http://tasks.hotosm.org/project/1071
>> > http://tasks.hotosm.org/project/1072
>> > http://tasks.hotosm.org/project/1073
>> >
>> > Thank you all for helping out.
>> >
>> > Regards
>> > Nirab
>> >
>> >
>> > ___
>> > HOT mailing list
>> > HOT@openstreetmap.org
>> > https://lists.openstreetmap.org/listinfo/hot
>>
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>>
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>>
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Re: [HOT] step by step recipe for iD bug reporting

[john o'l]

I believe Clifford's suggested approach would address some of the issues
brought up by Charlotte and Suzan.  I'd recommend going further and for the
next activation approaching this scale, have a small group of experienced
HOT volunteers whose primary task is to set up and actively participate in
a well publicized beginner's chat -- answering questions, clarifying
instructions, and steering folks to resources.
Cheers,  John

On Sat, May 23, 2015 at 7:15 PM, Clifford Snow 
wrote:

>
> On Sat, May 23, 2015 at 5:00 PM, Charlotte Wolter 
> wrote:
>
>>   Right. It should be clarified.
>>  "Problem with iD or JSOM"
>> As for what else is needed, that is up to those who know how to
>> fix either. Maybe the button above should lead to two choices: "iD" or
>> "JOSM," at which point the appropriate questionnaire appears.
>> Does JOSM include a way to report issues? To my knowledge, iD
>> does not. Clearly they need to be separate.
>>
>
> JOSM bugs are reported on the josm.openstreetmap.de website. One the main
> JOSM page are the instructions:
>
> Found a bug? | Have an idea? | Make a suggestion?
>
> 
>
>- Please report any bug found: Create a new ticket
>    using the Report Bug
>    entry in
>   the main menu Help
>   . Alternatively,
>   the same function is available under About
>    and Show
>   status report
>   .
>   - Discuss ideas and suggestions also in the bug tracker
>   , on the ​josm-dev
>    mailing list,
>   or on the ​#josm IRC channel.
>
> JOSM is sold as an advanced editor which might give the impress that
> someone "steps up" from iD to JSOM. From what I've seen on HOT, for some
> tasks it is the preferred editor which means that new mappers are using
> JOSM. If they come from an open source, ie linux, background I don't see
> any real roadblocks to creating bug reports. But for the vast majority it
> is somewhat intimidating. One solution is to report the bug on the Tasking
> Manager for the task owner to verify. If it is a bug, the task owner
> reports the bug on the josm website. That allows the owner to triage the
> reports to make sure that they weed out user/training issues.
>
> I'm inclined to suggest modifying the TM interface to include these
> issues. What does everyone else think?
>
> Clifford
>
> --
> @osm_seattle
> osm_seattle.snowandsnow.us
> OpenStreetMap: Maps with a human touch
>
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Re: [HOT] DRAFT- HOT Nepal Response Community Survey

[john o'l]

As an inexperienced OSM mapper, yet someone who believes that there is
merit in the HOT approach, I found that I was frustrated for much of the
time I tried to participate according to instructions and by following
pointers and tracking down relevant resources.  My participation during the
few days I spent on this track far exceeded the specific thresholds
mentioned earlier of “one session in Nepal and …less than 5 edits in OSM”
and “experienced in OSM say greater than 100 edits.”  For the record,
according to a list published a couple of weeks ago I did more than 30
changesets and 1800 edits over 6 days.  I’d wager that a substantial
proportion of them didn’t meet preferred standards for validation. I also
know that there were a few instances where I just bailed once I got error
messages regarding the operation of the editor window itself or after my
attempt to save a chunk of changes got thwarted somehow.



Anyway, keeping this short to maintain focus on the numbers being used to
classify and focus certain sets of questions… they seem low to me, but it
is possible that I’m exceptionally bull-headed and dense. And no worries,
you'll probably have an opportunity to hear more of my feedback once the
Nepal activation sprint transitions more completely into a marathon.


Cheers,

John

On Wed, May 20, 2015 at 3:55 PM, Pierre Béland  wrote:

> Yes it would be an idea to classify people and send a different url for
> - 1 day edit
> - less then xxx edits
> - others
>
> We would also know how many answered in each of these groups while
> respecting anonymity.
>
> Pierre
>
>   --
>  *De :* john whelan 
> *À :* Pierre Béland 
> *Cc :* Heather Leson ; "HOT@OSM (Humanitarian
> OpenStreetMap Team)" 
> *Envoyé le :* Mercredi 20 mai 2015 18h48
>
> *Objet :* Re: [HOT] DRAFT- HOT Nepal Response Community Survey
>
> You should be able to get a list of HOT /OSM ids with the data attached.
> Now extract from this those who have only done one session in Nepal and
> have less than 5 edits in OSM.
>
> When you send out the questionnaire to this group you send them a link to
> the full version.
>
> For those who are experienced in OSM say greater than 100 edits send them
> a link which omits the training questions.  Etc.
>
> If you can find someone to code it it is technically possible that when
> you send the link you also send the email address embedded in the link.
>
> Hopefully that makes it a bit clearer.
>
> Cheerio John
>
>
>
>
>
> On 20 May 2015 at 18:34, Pierre Béland  wrote:
>
> John
>
> This will work only with the people that accept to provide their identity
> and osm nickname.
>
>
> Pierre
>
>   --
>  *De :* john whelan 
> *À :* Heather Leson 
> *Cc :* "HOT@OSM (Humanitarian OpenStreetMap Team)" 
>
> *Envoyé le :* Mercredi 20 mai 2015 17h54
> *Objet :* Re: [HOT] DRAFT- HOT Nepal Response Community Survey
>
> It appears my comments on email addresses were not understood clearly.
>
> If we do an extract on OSM and HOT we can identify people who have mapped
> in OSM before, those who have mapped on only one occasion in Nepal etc.  In
> other words if we only send the relevant questions to a group of email
> addresses who we know have never mapped before then we can tailor the
> questions specifically to them.  Or have two or three versions of the
> questionnaire one for each group we are interested in.  The other method is
> to pick up their email address, there are methods to do this by passing the
> information in the link to the questionnaire.  If you use that method then
> link the email address to the questionnaire you can then link it to other
> information from HOT and OSM.  However this method may run into privacy law
> considerations in various countries unless you ask permission.
>
> Asking an experienced mapper say one with a hundred plus edits in OSM what
> they think of the training is probably a waste of time, they probably
> didn't look at it.  However by asking them the question you have added to
> respondent burden.  If you know the answer or can deduce it then first its
> probably more accurate, people do not always answer truthfully, second the
> normal rule of surveys is take up the minimum time necessary to get the
> information you require.
>
> Can you get the person's country from their OSM profile?  etc.  Can we get
> their preferred language from their OSM profile?
>
> Another issue is if you are going to host the questionnaire on Hackpad or
> Dropbox then you may lose some respondents who will not agree to giving up
> their list of email contacts to dropbox should they elect to sign in using
> something like Google sign in.  Typically these may represent a group of
> users you might be interested in.
>
> Cheerio John
>
> On 19 May 2015 at 12:38, Heather Leson  wrote:
>
>
>
> HI Folks, A few of us have been working hard to create a HOT Nepal
> Response Community Survey. We have collected input from working groups and
> activation leads. W

[HOT] landslides

[john o'l]

>Hi all,
>I am looking for landslide inventory for the recent earthquake event. Can
someone help with suitable pointers.
>I appreciate the time and efforts invested by the entire team!

Hello Rubini,

I'm starting to collect pointers to aid in landslide hazard mapping and
many of the recent inventories appear to be works in progress.  I believe
most of these have been mentioned elswhere in this maillist but I haven't
checked all the licensing info on them, in any case, they appear to be good
places to start:

Earthquakes Without Frontiers have a blog http://ewf.nerc.ac.uk/blog/
that provides updated information and landslide maps, they highlight
concern over the status of the Sun Koshi landslide dam in their May 12th
post:
http://ewf.nerc.ac.uk/2015/05/12/nepal-update-on-landslide-hazard-following-12-may-2015-earthquake/

The Humanitarian Data Exchange provides a page with downloadable landslide
data https://data.hdx.rwlabs.org/dataset/lands  and one with more resources
(I haven't gone through many of these yet):
https://data.hdx.rwlabs.org/group/nepal-earthquake

I'm not sure if one of these is regularly more current than the other, but
University of Michigan has a couple of pages that provide some useful
visualizations including Landslide Dam Hazard Analysis:
https://sites.google.com/a/umich.edu/nepalearthquake/landslide-maps
https://sites.google.com/a/umich.edu/nepalearthquake/downloads

The AGU Landslide blog may provide useful pointers
http://blogs.agu.org/landslideblog/ such as http://www.icimod.org/?q=17851
their links page looks very good.  I believe this is one of them
http://emergency.copernicus.eu/mapping/list-of-components/EMSR125

Another resource:
https://www.disasterscharter.org/web/guest/activations/-/article/landslide-in-nep-2
I imagine some of these overlap and share data, but I don't have a feel yet
for all the ins and outs.

--> If you are aware of or come across any additional resources please pass
them along, even if they seem out of date... an older inventory would be
very useful for comparison and could help us determine additional areas
that may be particularly susceptible to reactivation.

Cheers,

John
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Re: [HOT] landslides and imagery

[john o'l]

Well I think I'm rapidly approaching the end of the window I had to work
with this and figure out how to add it to osm, if anyone else wants to try,
go for it.  In the meantime, I just figured out how to turn it into a kml,
it contains sites in addition to those mapped by British Geological Survey,
Durham University, ICIMOD, NASA-JPL, Univ. of Arizona -- though one
coincides: theirs: 20150508_hazard_db:FID 120 this eq_kml_shp:id -80 and
eq_kml_shp:id -81. Their db is available at:
https://data.hdx.rwlabs.org/dataset/lands

This kmz here (rougher than I'd like but it will have to do... )  All the
best, John


On Mon, May 11, 2015 at 8:59 AM, john o'l  wrote:

> Also linking a website with links to a report on the Oso landslide as it
> is somewhat familiar to me
> http://www.geerassociation.org/GEER_Post%20EQ%20Reports/Oso_WA_2014/index.html
> For our purposes, some of the key points made are:  the initial phase of
> the slide (most destructive/fastest and most distant runout) -- was an old
> slide that had remobilized. 200 vertical meters of material which covered a
> horizontal distance of 1000 meters.  So existing landslides can remain very
> dangerous for a considerable period of time.  The 1 km runout, (or
> "deposit" keeping with the tagging scheme I proposed  "area = deposit") was
> not extraordinary based on volume of material, however it was extraordinary
> relative to most peoples' perceptions -- I doubt anyone seriously
> considered that a hillside that low and distant could be an active risk to
> an area as far away as the main highway corridor.
>
> After mapping some more landslides to my local machine but yet to upload
> any to OSM, I'd like to update my proposed OSM tagging scheme:
>
> hazard_type = landslide
> hazard_prone = yes
> area = scarp OR deposit
> damage:event = nepal_earthquake_2015 OR pre_nepal_earthquake_2015
> barrier = scarp OR deposit
> source = DigitalGlobe, 2015-05 OR other as appropriate
> landuse = brownfield
>
> Cheers,
>
> John
>
> On Mon, May 11, 2015 at 8:00 AM, john o'l  wrote:
>
>> Thanks Prabhas,
>>
>> Very interesting! Yesterday I was directed to the Earthquakes Without
>> Frontiers blog http://ewf.nerc.ac.uk/blog/ and a map linked from their
>> May 8 post
>> http://ewf.nerc.ac.uk/wp-content/uploads/2015/05/Landslide_Update_2_08052015_SMALL.jpg,
>> apparently higher resolution is also available..
>>
>> Cheers,
>> John
>>
>> On Mon, May 11, 2015 at 7:10 AM, Prabhas Pokharel <
>> prabhas.pokha...@gmail.com> wrote:
>>
>>> Another email to add to the list for those interested in doing landslide
>>> mapping:
>>> We at KLL were forwarded this landslide risk assessment layer:
>>> https://www.google.com/maps/d/u/0/viewer?mid=z6HUO2aILzmQ.kGtOdlu45GXY&usp=sharing
>>> which comes from here:
>>> https://sites.google.com/a/umich.edu/nepalearthquake/landslide-maps
>>>
>>> It may help those of us interested in finding lanslides have some areas
>>> of high risk where they could start looking.
>>>
>>> cheers,
>>> Prabhas
>>>
>>> On Sun, May 10, 2015 at 11:50 AM, Springfield Harrison <
>>> stellar...@gmail.com> wrote:
>>>
>>>> Hello John,
>>>>
>>>> With reference to your moving boulder, just wondering if that could be
>>>> in fact moving, i.e., not an image based coordinate shift as such.  I'm
>>>> just thinking that with aftershocks and general instability, many of these
>>>> new features are still sorting themselves out and traveling downhill.
>>>>
>>>> Can DG or Bing make stereo pairs available?  Likely a long shot, but
>>>> thought I would ask.
>>>>
>>>> Cheers . . . . . . . . Spring Harrison
>>>>
>>>>
>>>> At 09-05-2015 17:49 Saturday, john o'l wrote:
>>>>
>>>>> I've been focusing on landslides and have located several score that
>>>>> appear recent. Of these, a few are pre-quake and appear relatively 
>>>>> stable,
>>>>> some are pre-quake but appear reactivated and many appear to have been
>>>>> associated with the quake and/or aftershocks. I've mapped several dozen of
>>>>> these so far. In my next email, I'll cover why you won't find them in
>>>>> osm... yet. For this one, I'd like to stick to post quake imagery and some
>>>>> of its quirks.Â
>>>>>
>>>>> There is an inhabited hillside that had numerous landslides,

Re: [HOT] landslides and imagery

[john o'l]

Also linking a website with links to a report on the Oso landslide as it is
somewhat familiar to me
http://www.geerassociation.org/GEER_Post%20EQ%20Reports/Oso_WA_2014/index.html
For our purposes, some of the key points made are:  the initial phase of
the slide (most destructive/fastest and most distant runout) -- was an old
slide that had remobilized. 200 vertical meters of material which covered a
horizontal distance of 1000 meters.  So existing landslides can remain very
dangerous for a considerable period of time.  The 1 km runout, (or
"deposit" keeping with the tagging scheme I proposed  "area = deposit") was
not extraordinary based on volume of material, however it was extraordinary
relative to most peoples' perceptions -- I doubt anyone seriously
considered that a hillside that low and distant could be an active risk to
an area as far away as the main highway corridor.

After mapping some more landslides to my local machine but yet to upload
any to OSM, I'd like to update my proposed OSM tagging scheme:

hazard_type = landslide
hazard_prone = yes
area = scarp OR deposit
damage:event = nepal_earthquake_2015 OR pre_nepal_earthquake_2015
barrier = scarp OR deposit
source = DigitalGlobe, 2015-05 OR other as appropriate
landuse = brownfield

Cheers,

John

On Mon, May 11, 2015 at 8:00 AM, john o'l  wrote:

> Thanks Prabhas,
>
> Very interesting! Yesterday I was directed to the Earthquakes Without
> Frontiers blog http://ewf.nerc.ac.uk/blog/ and a map linked from their
> May 8 post
> http://ewf.nerc.ac.uk/wp-content/uploads/2015/05/Landslide_Update_2_08052015_SMALL.jpg,
> apparently higher resolution is also available..
>
> Cheers,
> John
>
> On Mon, May 11, 2015 at 7:10 AM, Prabhas Pokharel <
> prabhas.pokha...@gmail.com> wrote:
>
>> Another email to add to the list for those interested in doing landslide
>> mapping:
>> We at KLL were forwarded this landslide risk assessment layer:
>> https://www.google.com/maps/d/u/0/viewer?mid=z6HUO2aILzmQ.kGtOdlu45GXY&usp=sharing
>> which comes from here:
>> https://sites.google.com/a/umich.edu/nepalearthquake/landslide-maps
>>
>> It may help those of us interested in finding lanslides have some areas
>> of high risk where they could start looking.
>>
>> cheers,
>> Prabhas
>>
>> On Sun, May 10, 2015 at 11:50 AM, Springfield Harrison <
>> stellar...@gmail.com> wrote:
>>
>>> Hello John,
>>>
>>> With reference to your moving boulder, just wondering if that could be
>>> in fact moving, i.e., not an image based coordinate shift as such.  I'm
>>> just thinking that with aftershocks and general instability, many of these
>>> new features are still sorting themselves out and traveling downhill.
>>>
>>> Can DG or Bing make stereo pairs available?  Likely a long shot, but
>>> thought I would ask.
>>>
>>> Cheers . . . . . . . . Spring Harrison
>>>
>>>
>>> At 09-05-2015 17:49 Saturday, john o'l wrote:
>>>
>>>> I've been focusing on landslides and have located several score that
>>>> appear recent. Of these, a few are pre-quake and appear relatively stable,
>>>> some are pre-quake but appear reactivated and many appear to have been
>>>> associated with the quake and/or aftershocks. I've mapped several dozen of
>>>> these so far. In my next email, I'll cover why you won't find them in
>>>> osm... yet. For this one, I'd like to stick to post quake imagery and some
>>>> of its quirks.Â
>>>>
>>>> There is an inhabited hillside that had numerous landslides, some
>>>> predate the quake, but most are presumably related. So far I've mapped
>>>> about half of them, those that are largest or appear to threaten buildings
>>>> and pathways. There is Digital Globe imagery available from May 3 and May
>>>> 8. It looks like QGIS easily operates with more than one coordinate system
>>>> at a time. The center of a large boulder in the May 3 imagery (Longitude,
>>>> Latitude; WGS84 EPSG:3857 x,y) is at
>>>> 85.85659,27.83609;9557511.789,3228324.329, in the May 8 imagery it is at
>>>> 85.85669,27.83656;9557522.728,3228382.865. Mind you, this is not a
>>>> complaint, rather it is a concrete example of the variability with this
>>>> recent imagery. Â
>>>>
>>>> A more extreme example is a slide that appeared to be partially
>>>> blocking a stream in the May 3 imagery 85.90258,27.87818;9562631.312,
>>>> 3233623.303; -- it was completely obscured by a hi

Re: [HOT] landslides and imagery

[john o'l]

Thanks Prabhas,

Very interesting! Yesterday I was directed to the Earthquakes Without
Frontiers blog http://ewf.nerc.ac.uk/blog/ and a map linked from their May
8 post
http://ewf.nerc.ac.uk/wp-content/uploads/2015/05/Landslide_Update_2_08052015_SMALL.jpg,
apparently higher resolution is also available..

Cheers,
John

On Mon, May 11, 2015 at 7:10 AM, Prabhas Pokharel <
prabhas.pokha...@gmail.com> wrote:

> Another email to add to the list for those interested in doing landslide
> mapping:
> We at KLL were forwarded this landslide risk assessment layer:
> https://www.google.com/maps/d/u/0/viewer?mid=z6HUO2aILzmQ.kGtOdlu45GXY&usp=sharing
> which comes from here:
> https://sites.google.com/a/umich.edu/nepalearthquake/landslide-maps
>
> It may help those of us interested in finding lanslides have some areas of
> high risk where they could start looking.
>
> cheers,
> Prabhas
>
> On Sun, May 10, 2015 at 11:50 AM, Springfield Harrison <
> stellar...@gmail.com> wrote:
>
>> Hello John,
>>
>> With reference to your moving boulder, just wondering if that could be in
>> fact moving, i.e., not an image based coordinate shift as such.  I'm just
>> thinking that with aftershocks and general instability, many of these new
>> features are still sorting themselves out and traveling downhill.
>>
>> Can DG or Bing make stereo pairs available?  Likely a long shot, but
>> thought I would ask.
>>
>> Cheers . . . . . . . . Spring Harrison
>>
>>
>> At 09-05-2015 17:49 Saturday, john o'l wrote:
>>
>>> I've been focusing on landslides and have located several score that
>>> appear recent. Of these, a few are pre-quake and appear relatively stable,
>>> some are pre-quake but appear reactivated and many appear to have been
>>> associated with the quake and/or aftershocks. I've mapped several dozen of
>>> these so far. In my next email, I'll cover why you won't find them in
>>> osm... yet. For this one, I'd like to stick to post quake imagery and some
>>> of its quirks.Â
>>>
>>> There is an inhabited hillside that had numerous landslides, some
>>> predate the quake, but most are presumably related. So far I've mapped
>>> about half of them, those that are largest or appear to threaten buildings
>>> and pathways. There is Digital Globe imagery available from May 3 and May
>>> 8. It looks like QGIS easily operates with more than one coordinate system
>>> at a time. The center of a large boulder in the May 3 imagery (Longitude,
>>> Latitude; WGS84 EPSG:3857 x,y) is at
>>> 85.85659,27.83609;9557511.789,3228324.329, in the May 8 imagery it is at
>>> 85.85669,27.83656;9557522.728,3228382.865. Mind you, this is not a
>>> complaint, rather it is a concrete example of the variability with this
>>> recent imagery. Â
>>>
>>> A more extreme example is a slide that appeared to be partially blocking
>>> a stream in the May 3 imagery 85.90258,27.87818;9562631.312,3233623.303;
>>> -- it was completely obscured by a hillside in the May 8 imagery (probably
>>> taken from a more northerly or northwesterly vantage point.)Â
>>>
>>> Downslope (westward) from a likely reactivated slide located at
>>> 85.81987,27.90810;9553423.739,3237391.771 Â is a remote area that
>>> appears very hard hit. The May 8th imagery is mostly clouds, but the May
>>> 3rd imagery shows a blue rooftop at
>>> 85.80644,27.90818;9551929.301,3237402.414, it looks like there are several
>>> large boulders in the immediate area and there is not much left to tell
>>> there were more than 20 buildings nearby. While the boulders may have
>>> contributed, at the moment I think it is probable that the shaking itself
>>> was mostly responsible for the extreme level of destruction.Â
>>>
>>> One advantage of different acquisition angles is that some features may
>>> be discernible on slopes that don't ordinarily show up very well.Â
>>> Â
>>> Question to the HOT folks -- is there a way to specify the date of DG
>>> imagery we access through the proxy server?, Some of the May 8 imagery is
>>> starting to come up over the May 3 imagery without me telling it to. Â
>>>
>>> Best regards,
>>>
>>> John
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>>>
>>
>>
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>
>
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> http://prabhasp.com
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[HOT] java memory options for JOSM

[john o'l]

Hi Pat,  Thanks for jumping in... There might be some use to it, however
I'm too tired at the moment to try to do anything,  I've got an x64 machine
and my current command is all about javaws.exe and everything local is
sitting in the x86 directory.

"C:\Program Files (x86)\Java\jre1.8.0_45\bin\javaws.exe" -Xmx1024m
-localfile -J-Djnlp.application.href=
https://josm.openstreetmap.de/download/josm.jnlp
"C:\Users\John\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\56\1ee8cfb8-7d3e7d1c"

,,,and it annoys me  :)

Cheers,

John
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Re: [HOT] QGIS and OSM and..

[john o'l]

Hi Clifford,

Well, I've come to believe you are right, the other editors are better
suited for editing data into OSM. I'd probably be using JOSM already if I
hadn't run into "the memory issue" that I'm still not sure I've corrected,
 On top of that, QGIS is a tool that I can directly apply to my work, while
editors specifically for OSM are not -- so I was able to spend far more
time and energy getting to know it ...well enough to find how much I was
led astray by the statement under OpenStreetMap Plugin (obsolete) in
http://wiki.openstreetmap.org/wiki/QGIS (This page was last modified on 11
March 2015, at 18:44)
"QGIS OSM Plugin <http://wiki.openstreetmap.org/wiki/QGIS_OSM_Plugin> lets
you load in vector data from OpenStreetMap, and even edit and upload your
changes." where "obsolete" apparently refers to the functionality as a
whole, not just an outdated plugin.

Cheers,
John


On Sat, May 9, 2015 at 8:12 PM, Clifford Snow 
wrote:

> John,
> I use QGIS regularly. Personally I believe the OSM editors, iD, Potlatch,
> and JOSM are better suited for editing data. Someone I know is very
> comfortable with QGIS tried using it as an OSM editor. I don't think he
> succeeded. As a tool for working with OSM data to give to others QGIS can't
> be beat. Extract the information using overpass, load it into QGIS and you
> can easily produce customized maps for your audience.
>
> Clifford
>
> On Sat, May 9, 2015 at 7:26 PM, john o'l  wrote:
>
>>
>> Alas, the simple options that appeared to allow QGIS to make direct OSM
>> uploads seem to have disappeared with updates over the past few years and I
>> lack the technical chops to code an appropriate tool.
>>
>> QGIS seems to prefer creating shape (SHP) files, and I found that copying
>> and pasting an attribute table will create a text file (I believe tab
>> delimited) of the format:
>> POLYGON((longitudelatitude,longitudelatitude,...etc)) then
>> attributes/tags. First question is whether anyone has or knows of an easy
>> conversion/upload tool to get this data into OSM? The closest I found still
>> would have had me manipulating python or XML -- I am sure no sensible
>> people really want me to go down that road.
>>
>> Getting to know QGIS has been a treat, by the way. It is great at
>> extracting data from OSM and the imagery services associated with it. For
>> folks having trouble with the free form nature of OSM, it allows sifting
>> and structuring the data in a way that may be quite pleasing.  I can't help
>> but think Spring Harrison might enjoy extracting all the helicopter landing
>> pads and leisure=common in earthquake hit areas and give them a thorough
>> review, producing a shape or text file of his recommended choices.
>>
>> It seems data generated by osm users contained within Google's kmls would
>> be available as long as it was extracted? Surely putting something in an
>> envelope doesn't render it the property of the envelope manufacturer...
>>
>> Anyway, any help or non-coding recommendations would be appreciated!
>>
>> Cheers,
>>
>> John
>>
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Re: [HOT] QGIS and OSM and..

[john o'l]

Hi Mike,

It looks like it would be more of an import, once it was ready -- not
necessarily complete, but with tags somewhat standardized, uniform, and
useful. I'm more than happy to submit it to the import list if that is the
best way to get it reviewed/validated and added so others will have the
information available to them.

On the other hand, it doesn't seem to quite fit the "existing dataset"
criterion, and it is data that is being collected by an individual
volunteer (me, now) -- who started working in a program that appeared to
have the capacity to upload directly but apparently doesn't any more.

Cheers,

John

On Sat, May 9, 2015 at 7:57 PM, Mike Thompson  wrote:

> John,
>
> Are you trying to import GIS data into OSM, or export data from OSM to a
> GIS format?  If exporting Overpass Turbo[1] can do so an a number of
> formats, including KML.  If importing, you should submit that to the
> imports list for approval.
>
> Mike
> [1] http://overpass-turbo.eu/
>
> On Sat, May 9, 2015 at 8:26 PM, john o'l  wrote:
>
>>
>> Alas, the simple options that appeared to allow QGIS to make direct OSM
>> uploads seem to have disappeared with updates over the past few years and I
>> lack the technical chops to code an appropriate tool.
>>
>> QGIS seems to prefer creating shape (SHP) files, and I found that copying
>> and pasting an attribute table will create a text file (I believe tab
>> delimited) of the format:
>> POLYGON((longitudelatitude,longitudelatitude,...etc)) then
>> attributes/tags. First question is whether anyone has or knows of an easy
>> conversion/upload tool to get this data into OSM? The closest I found still
>> would have had me manipulating python or XML -- I am sure no sensible
>> people really want me to go down that road.
>>
>> Getting to know QGIS has been a treat, by the way. It is great at
>> extracting data from OSM and the imagery services associated with it. For
>> folks having trouble with the free form nature of OSM, it allows sifting
>> and structuring the data in a way that may be quite pleasing.  I can't help
>> but think Spring Harrison might enjoy extracting all the helicopter landing
>> pads and leisure=common in earthquake hit areas and give them a thorough
>> review, producing a shape or text file of his recommended choices.
>>
>> It seems data generated by osm users contained within Google's kmls would
>> be available as long as it was extracted? Surely putting something in an
>> envelope doesn't render it the property of the envelope manufacturer...
>>
>> Anyway, any help or non-coding recommendations would be appreciated!
>>
>> Cheers,
>>
>> John
>>
>> ___
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>> https://lists.openstreetmap.org/listinfo/hot
>>
>>
>
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[HOT] QGIS and OSM and..

[john o'l]

Alas, the simple options that appeared to allow QGIS to make direct OSM
uploads seem to have disappeared with updates over the past few years and I
lack the technical chops to code an appropriate tool.

QGIS seems to prefer creating shape (SHP) files, and I found that copying
and pasting an attribute table will create a text file (I believe tab
delimited) of the format:
POLYGON((longitudelatitude,longitudelatitude,...etc)) then
attributes/tags. First question is whether anyone has or knows of an easy
conversion/upload tool to get this data into OSM? The closest I found still
would have had me manipulating python or XML -- I am sure no sensible
people really want me to go down that road.

Getting to know QGIS has been a treat, by the way. It is great at
extracting data from OSM and the imagery services associated with it. For
folks having trouble with the free form nature of OSM, it allows sifting
and structuring the data in a way that may be quite pleasing.  I can't help
but think Spring Harrison might enjoy extracting all the helicopter landing
pads and leisure=common in earthquake hit areas and give them a thorough
review, producing a shape or text file of his recommended choices.

It seems data generated by osm users contained within Google's kmls would
be available as long as it was extracted? Surely putting something in an
envelope doesn't render it the property of the envelope manufacturer...

Anyway, any help or non-coding recommendations would be appreciated!

Cheers,

John
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[HOT] landslides and imagery

[john o'l]

I've been focusing on landslides and have located several score that appear
recent.  Of these, a few are pre-quake and appear relatively stable, some
are pre-quake but appear reactivated and many appear to have been
associated with the quake and/or aftershocks. I've mapped several dozen of
these so far. In my next email, I'll cover why you won't find them in
osm... yet. For this one, I'd like to stick to post quake imagery and some
of its quirks.

There is an inhabited hillside that had numerous landslides, some predate
the quake, but most are presumably related. So far I've mapped about half
of them, those that are largest or appear to threaten buildings and
pathways. There is Digital Globe imagery available from May 3 and May 8. It
looks like QGIS easily operates with more than one coordinate system at a
time. The center of a large boulder in the May 3 imagery (Longitude,
Latitude; WGS84 EPSG:3857 x,y) is at
85.85659,27.83609;9557511.789,3228324.329, in the May 8 imagery it is at
85.85669,27.83656;9557522.728,3228382.865. Mind you, this is not a
complaint, rather it is a concrete example of the variability with this
recent imagery.

A more extreme example is a slide that appeared to be partially blocking a
stream in the May 3 imagery 85.90258,27.87818;9562631.312,3233623.303; --
it was completely obscured by a hillside in the May 8 imagery (probably
taken from a more northerly or northwesterly vantage point.)

Downslope (westward) from a likely reactivated slide located at
85.81987,27.90810;9553423.739,3237391.771  is a remote area that appears
very hard hit.  The May 8th imagery is mostly clouds, but the May 3rd
imagery shows a blue rooftop at 85.80644,27.90818;9551929.301,3237402.414,
it looks like there are several large boulders in the immediate area and
there is not much left to tell there were more than 20 buildings nearby.
While the boulders may have contributed, at the moment I think it is
probable that the shaking itself was mostly responsible for the extreme
level of destruction.

One advantage of different acquisition angles is that some features may be
discernible on slopes that don't ordinarily show up very well.

Question to the HOT folks -- is there a way to specify the date of DG
imagery we access through the proxy server?, Some of the May 8 imagery is
starting to come up over the May 3 imagery without me telling it to.

Best regards,

John
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[HOT] landslides

[john o'l]

Some thoughts regarding landslides in OSM, as we may be dealing with them
in upcoming days. It looks like there are some standards folks have used in
the past that may apply, as in the following:

http://wiki.openstreetmap.org/wiki/JA:2014_Tanba_landslide

original:
災害関連タグリスト
土砂災害

(Disaster related tags list
Sediment disaster)

hazard_prone = yes
hazard_type = landslide
landuse = brownfield
natural = bare_rock
surface = dirt
source = 

Another resource mentioned their impact on roads:
https://help.openstreetmap.org/questions/34076/tagging-highway-blocked-by-landslide

And another appears to emphasize future hazards:
http://wiki.openstreetmap.org/wiki/OpenHazardMap

I propose an approach like this*:

hazard_type = landslide
landuse = brownfield
area = scarp (for bare area where slide originates)
area = deposit (for area where material comes to rest)
barrier = deposit(?) or scarp (?) when path road or stream appears blocked
adding these tags as per earlier instructions may be useful also:
damage:event=nepal_earthquake_2015
source=DigitalGlobe , 2015-05-03

> rationale for specificity with barrier and areas is that scarp may be
impassable for a much longer time than the deposition area.
Also, fresh scarps are likely the most visible feature, as an example, a
highly probable earthquake related scarp is visible in the DG imagery near
27.795 85.7786.  I can't confidently make out where the deposit is,
though.  Nor can I tell if it blocks any paths or roads.
Scarp appears little used in OSM, so it would be easy to pull out recent
additions once people start actively mapping them -- and it is such a
useful term.
Many examples of mapped slides here:
http://www.oregongeology.org/slido/index.html

Cheers,

John

*experience level: noob
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Re: [HOT] What's water?

[john o'l]

Thanks Pat!

I loaded hiu and even looked at it some before my recurring memory error
started messing up my JOSM experience.  [awhile ago I added the suggested
fix but either did it wrong or I have some 64-bit type issue]

What I noticed could have been partially due to alignment, but the stream
was generally marked slightly to the east of what is represented in the
imagery.  I think your instincts regarding its path not actually going
through the treetops is correct.  For the reaches in the immediate area, it
appears highly constrained with little to no floodplain.

As far as revising its location, I wouldn't unless the mapped channel
conflicted with a settlement, an important transportation route, or a
bridge or something like that -- and even then probably just in the
immediate area of the conflict.  ... Gotta get to work...

Cheers!

John

On Mon, May 4, 2015 at 6:59 AM, Pierre Béland  wrote:

> I agree.
> In JOSM, it helps sometimes to switch to the Opencyclemap layer to see
> elevations when we have not a clear image, shadow or other obstacle.
>
> Shadow will be a problem in narrow valleys. I have seen this looking at
> the Langtang valley surrounded by high summits.
>
>
> Pierre
>
>   --
>  *De :* Pat Tressel 
> *À :* john o'l 
> *Cc :* hot 
> *Envoyé le :* Lundi 4 mai 2015 9h36
> *Objet :* Re: [HOT] What's water?
>
> John --
>
> Having mapped a number of streams over the past years, I guess the first
> thing to say is that it is surprisingly difficult. Mapping the same
> watercourse at different scales can have very different results and the
> stream channel itself can change considerably with any given flood event.
> Aerial, satellite, and topographic maps each have their own strengths and
> weaknesses as the basis for stream/river delineation. As a mapping
> consolation, since they move around so much and vary so much over time,
> approximations at the scales we are using should be good enough.
>
> One of the things to keep in mind is the reason we are mapping
> watercourses. In our current context, when I map one, or even study one in
> high resolution photos, I usually think of them as a potential source of
> water for nearby inhabitants, as travel obstacles potentially restricting
> crossings to particular locations or structures, and as a pathway along
> which very destructive events can occur - from floods to mudflows to debris
> torrents.
>
> I've yet to successfully load the hiu layer anywhere - ongoing JOSM
> struggles
>
>
> Imagery -> Image Preferences
> Click the TMS button on the lower right.  In the popup:
> Enter the above URL in box 1., but ==> take off the "tms:" <==, because it
> will add that for you.
> Enter a name for the imagery in box 4 -- this is what will appear in the
> menu.
> Click OK.
>
>
> but after a quick check of the coordinates you gave in Google Earth I can
> say unequivocally that it is stream or for OSM purposes a river.
>
>
> There's definitely a river -- I'm trying to pin down whether the water is
> in the narrow channel at the west side of the dark region in the above
> image, or if there is actually water flooding out over a large area.
>
>
> I suspect what you are seeing is mostly a result of shadow, which often
> makes aerial and satellite imagery challenging - streams are often shadowed
> given they occupy the lowest areas in a landscape and mountains/steep
> valley walls cast great shadows.
>
>
> True, the shadow could be from the angle of the land, not just the trees.
> That would hint that there should be less shadow where the river is flowing
> toward the southeast, as the sun is shining from south-southeast.  If the
> above procedure works, have a peek.
>
> btw, for a cool feature, about 1 km to the SSW is an alluvial fan!
>
>
> Ah!
>
>
>
>
> -- Pat
>
>
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Re: [HOT] What's water?

[john o'l]

Having mapped a number of streams over the past years, I guess the first
thing to say is that it is surprisingly difficult. Mapping the same
watercourse at different scales can have very different results and the
stream channel itself can change considerably with any given flood event.
Aerial, satellite, and topographic maps each have their own strengths and
weaknesses as the basis for stream/river delineation. As a mapping
consolation, since they move around so much and vary so much over time,
approximations at the scales we are using should be good enough.

One of the things to keep in mind is the reason we are mapping
watercourses. In our current context, when I map one, or even study one in
high resolution photos, I usually think of them as a potential source of
water for nearby inhabitants, as travel obstacles potentially restricting
crossings to particular locations or structures, and as a pathway along
which very destructive events can occur - from floods to mudflows to debris
torrents.

I've yet to successfully load the hiu layer anywhere - ongoing JOSM
struggles - but after a quick check of the coordinates you gave in Google
Earth I can say unequivocally that it is stream or for OSM purposes a
river. I suspect what you are seeing is mostly a result of shadow, which
often makes aerial and satellite imagery challenging - streams are often
shadowed given they occupy the lowest areas in a landscape and
mountains/steep valley walls cast great shadows. btw, for a cool feature,
about 1 km to the SSW is an alluvial fan!

Cheers,

John

On Mon, May 4, 2015 at 2:09 AM, Pat Tressel  wrote:

> Hi, Suzan!
>
>   I mapped dry streams. Can someone experienced check my work yesterday?
>> I also saw waterways in areas where no water could run, as in forests or
>> over land without any waterway. I also questioned some paths could be
>> wsterways. Good to check Newbie work!
>>
> It could also be that they were using different imagery that is
> misaligned.  There are two email threads about alignment right now...  The
> imagery I'm using is definitely not correctly aligned :-( though that's not
> the concern here, which is more about how to interpret what I'm seeing.
> Your question about distinguishing a path from a streambed is similar, and
> I've been wondering about that too.  Maybe we should find and post some
> examples.
>
> -- Pat
>
>
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Re: [HOT] Nepal Earthquake - Experienced JOSM users needed : Pilot task to trace helicopter landing in remote areas

[john o'l]

This seemed like a useful helicopter LZ resource.
http://www.careflite.org/wFirstResponders/landingzone.aspx

So, with the best of intentions I'm sure I've been breaking some rules...
I've been using Google Earth with vertical exaggeration cranked up as my 1st
tool... looking for relatively level sites. Then I flip around through
their historical imagery option... then create a placemark I can use to
identify lat and long.

I'm still a newb re OSM and just got JOSM up and running yesterday, but my
attempt to fix the limited memory issue was unsuccessful and it crashed
again. I guess I consider these urgent enough to brashly offer a few more
prospective sites to anyone with the OSM chops to quickly see if they are
helpful and suitable. If this works, I'll happily do more... if unhelpful I
will cease and desist – please advise.

5 prospective locations east of Indrawati River and West of Bhotemanlang

#1026 probably tasks 45 and 46 any that withstand closer scrutiny would be
tagged "leisure = common"

27.834  85.620

27.846  85.619

27.882  85.642

27.902  85.653

27.915  85.635

cheers,

John O'Leary



On Sat, May 2, 2015 at 11:21 AM, Pierre Béland  wrote:

> We did not have clear instructions on this. I then prefered to be
> conservative. Looking at the official helipads (aeroway=helipad) gives us
> some clue about what looks to be reasonnable.
>
>
> Pierre
>
>   --
>  *De :* "hyan...@gmail.com" 
> *À :* Jean-Guilhem Cailton 
> *Cc :* HOT 
> *Envoyé le :* Samedi 2 mai 2015 13h58
> *Objet :* Re: [HOT] Nepal Earthquake - Experienced JOSM users needed :
> Pilot task to trace helicopter landing in remote areas
>
> Very versatile some of this helicopters!  Based on the information gived
> from this pictures, maybe "aeroway=helipad" poligons radio could be less
> than 30 mts (task#1026); so increase probability for more aerial rescue
> areas?
>
> 2015-05-02 10:25 GMT-05:00 Jean-Guilhem Cailton :
>
>
> Hi Michael,
>
> In case it could be useful to imagine landing situations, you can find
> photos, and a CNN video, of helicopters landing in my recent Twitter
> timeline, like :
>
> https://twitter.com/bhushan_gyan/status/594434101391810560
> https://twitter.com/unheard_in/status/594435742706741248
> https://twitter.com/jgVisov/status/594134163550240768
> https://twitter.com/AnupamkPandey/status/594397182788173824
>
> Best wishes,
>
> Jean-Guilhem
> https://twitter.com/jgVisov
>
>
> Le 02/05/2015 14:57, Michael a écrit :
> > Hi,
> >
> > Am 02.05.2015 um 02:36 schrieb Pierre Béland:
> >> we are requested to help to locate official and potential helicopters
> >> landing to help for the relief of remote areas in the mountains. This
> >> is not an easy job and we ask again for experienced contributors that
> >> can play with the various Image layers and evaluate helicopters
> >> landing. See the pilote task http://tasks.hotosm.org/project/1023
> >
> > I agree that this is not easy. After finishing two small tasks I had
> > not found any marked helipad but added some "leisure=common".
> >
> > So I was to not sure if I was looking for an example and with the help
> > of overpass finally found one. In case anyone else had the same
> > question and for reference here the coodinates:
> > http://www.openstreetmap.org/#map=19/28.29210/84.37631
> > In the imagery you can see the "H" in a circle of about 10 meters size.
> >
> > Michael (user Ohr)
> >
> >
> >
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[HOT] Instructions for new folks

[john o'l]

The last couple of days I've had my share of struggles getting going with
HOT OSM platform, so I decided to share them with a couple of folks I work
with...  more struggling ensued.  Eventually I got to where (I hope) my
contribution is outweighing the fact that I locked up a square for a
certain amount of time.  This is my most recent go at instructions for
colleagues - offering it here in case it helps anyone else (apologies if
formatting gets screwy) --

Step by step instructions to get started in OpenStreetMap [adapted from
https://datameet.hackpad.com/Nepal-Earthquake-Mapping-YDjLauUK0Ek, the HOT
E-Mail List , and
instructions for Project #1018 ]



To contribute IMMEDIATELY to ongoing Humanitarian Mapping efforts for
Nepal through Humanitarian OpenStreetMap.org, *please do the following
1st:*



1. 1.  Go to the learnosm  site and go through
the first three items in the Beginner’s Guide.

2.  2.  Sign up for an account on OpenStreetMap
  (easy to do, learnosm
 shows you how if unsure)

3.  If you have not mapped with OSM before [or tried and really
sucked at it like me], please TAKE THE TIME to follow tutorials. Go
through the 30 minute training on http://mapgive.state.gov to learn
the basics of humanitarian mapping using OpenStreetMap.org

4.  Being new to OpenStreetMap, *use the in-browser iD
*  editor.

5.  Review the learnosm  site again (for
instance, there is a button to change brightness of background in iD
editor!) and check out the HOT Remote Mapping item in the Beginner’s
Guide (best to do all this *before* you join in with the current
tasks).



*Then* go to the HOTOSM Task Manager at http://tasks.hotosm.org/ and
select a job that you feel comfortable contributing to.

1.  Read the directions carefully for the job

2.  Select one of the squares next to one that is marked as
complete -This will allow you to pan to the completed square so you
can see how others are digitizing the features and mimic their work.

3.  Click start mapping to lock the area

4.  Don’t be too surprised if there are little glitches and
difficulties as you get used to the platform, try to do what you can
and unlock the square if you get stuck or called away for more than a
few minutes.



**It doesn't matter how long you work, or how many features you
digitize. There are currently hundreds of people mapping on HOTOSM for
the Nepal Earthquake.  Every edit counts. **


Cheers!
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