Re: [HOT] use of landuse=Farm Land

2018-08-01 Thread Henning Bolz
Hello Joost,

 

TeachOSM seems to run an own TM instance, see

https://tasks.teachosm.org/project/470

 

The area is fitting, the changeset comment was probably a manual error.

 

Henning (hebolz)

 
 
 

Gesendet: Mittwoch, 01. August 2018 um 15:34 Uhr
Von: "joost schouppe" 
An: HOT 
Betreff: [HOT] use of landuse=Farm Land



Hi,

 

I stumbled upon a few thousand cases of the tag "landuse=Farm Land". Here's a query and the area where they exist:

 

https://overpass-turbo.eu/s/AI6

 

I mention it here, because what is weird is that some changesets mention things like #hotosm-task-502 (or 470) which I would expect to refer to https://tasks.hotosm.org/project/502, but that's completely different. Several of them do mention #missingmaps but not a task. Also, there's a lot of duplicate buildings around there.

 


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Re: [HOT] Buildings in DR Congo

2018-06-10 Thread Henning Bolz

Hello Pierre, Hello Russell,

 

i understand there are about 25 Objects edited in the ebola AOI without any validation??!

They will contain a certain amount of errors. What can be done to find and correct these?

 

As TM is not available for validation, maybe the three task areas can be used for manual search. 

 

Cheers

Henning (hebolz)

 

 

 

 

 

 

 


Gesendet: Sonntag, 10. Juni 2018 um 15:47 Uhr
Von: "Pierre Béland" 
An: HOT , "john whelan" 
Betreff: Re: [HOT] Buildings in DR Congo





Hi John,

 


Thanks to report these errors.

 

I participate to the Coordination with Claire Halleux and OSM-DRC for this Ebola outbreak. We have noticed yesterday morning that a few tasking jobs were created and massive mapping done on friday.

 

The task jobs 4696, 4697 and 4708 were created with no prior discussion on any list and no contact of the Coordination team. As you mention, they overlap. They also overlap with previous Ebola Outbreak jobs created by the OSM-DRC.

 

No validation was done while this activity was going on. Yesterday morning, I contacted the Job's creator via his OSM account and we wait for an answer. Meanwhile, I have archived the tasks with a note in the title.

 

Looking at tasks created, we can see that they were created by a  by an OSM participant to the Hotosm Tanzania Mini Grids Project and that contributors of this project did map these Ebola tasks.

 
Looking on Tweeter,  an Ebola Mapathon is reported (see https://twitter.com/RamaniHuria/status/1005052619109396482) and there

 

Neis Statistics show a high volume of data edited for these jobs.

Job    contributors    Objects

4696    74    76,083

4697  4    541

4708    71  170,744

 

We have to remember that this OSM Response for the Ebola outbreak is to support adequately the humanitarian organizations working in very difficult conditions in the field. Villages are dispersed in a large area with often no access roads. 

 

We have to be carefull about the data produced by the Global OSM community.

In this context, organizers of Mapathons, should take the responsabily to communicate with the Coordination Team and assure to produce data of quality.

 
It is important that the organizers of the mapathon come, discuss and propose ways to validate, correct these errors.

 

regard

 
Pierre 


 

 




Le dimanche 10 juin 2018 08 h 36 min 48 s HAE, john whelan  a écrit :

 

 




I'm seeing a fair number of duplicates.

 

#hotosm-project-4696

and

 

#hotosm-project-4708

 

appear to overlap.  I'm unable to reach either on the tasking manager.

 

Cheerio John


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Re: [HOT] Strange object

2018-04-15 Thread Henning Bolz



@Blake: I meant the artificial, "technical"structure in the river, next to the island (about 60-70 meters long).

@Philippe: you are right, gold or diamonds could be an explanation

 

Many thanks

Henning

 

 

 


The structure with tubes at tip of the the islet of the river looks like some installation to filter muds in water and extract gold.

 
2018-04-15 14:31 GMT+02:00 Blake Girardot HOT/OSM <blake.girar...@hotosm.org>:

Hi Henning,

I am not clear on what the object is you are looking at?

Do you mean the water pools and pits along the south bank of that
river? If you mean those, if I had to guess, it looks like artisan
mining to me.  One active area and a few small older pits. But that is
just my guess, I will be interested to find out what the local
knowledge is about it.

But that would be my first guess.

Next would be agriculture of some sort, maybe.

Cheers
blake


On Sun, Apr 15, 2018 at 8:17 AM, Henning Bolz <heb...@web.de> wrote:
>
> Hello HOT list,
>
> while working on task #2881, i found this strange object on Bing. Does
> anyone know what we are seeing here?
>
> https://www.openstreetmap.org/node/5547710324#map=14/-6.1507/23.6692
>
> Greetings
>
> Henning (hebolz)
>
>
>

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[HOT] Strange object

2018-04-15 Thread Henning Bolz
 

Hello HOT list,

 

while working on task #2881, i found this strange object on Bing. Does anyone know what we are seeing here?

 

https://www.openstreetmap.org/node/5547710324#map=14/-6.1507/23.6692

 

Greetings

 

Henning (hebolz)

 

 

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Re: [HOT] 7M Earthquake in Myanmar

2016-04-13 Thread Henning Bolz
Current Information from GFZ: http://geofon.gfz-potsdam.de/eqinfo/event.php?from=rss=gfz2016hhgj

 



	
		
			F-E Region:
			Myanmar-India Border Region
			
			
			
		
		
			Time:
			2016-04-13 13:55:17.8 UTC
		
		
			Magnitude:
			6.9 (Mw)
		
		
			Epicenter:
			94.83°E  23.08°N
		
		
			Depth:
			136 km
		
		
			Status:
			M - manually revised
		
	



 
 

Gesendet: Mittwoch, 13. April 2016 um 17:28 Uhr
Von: "Pratik Gautam" 
An: hot@openstreetmap.org
Betreff: [HOT] 7M Earthquake in Myanmar


Hi HOT,
 

There was a 7M earthquake in Myanmar an hour ago. The shaking was felt here in Kathmandu too. Any updates on the situation in Myanmar and surrounding?

 

Thanks


 
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Re: [HOT] Request to those organising a maperthon.

2016-04-01 Thread Henning Bolz
> It might be good if we set up a system to make it easier for validators and event organizers to find each other?

 

Hello Joost, Hello John,

 

that would be great!

I helped out with "live" validation on several mapathons, in most cases without even knowing the organisers because i found the mapapthon by coincidence. Some kind of central announcement for mapathons would be very helpful, _including_ the HOT task numbers that are being worked on. 

  To ensure an early effect of the validation, organisers of a mapathon should also inform new mappers about the message system of the TM. The faster they read the feedback, the better.

 

Best regards

 

Henning (hebolz)


 

 

 

 

 

Gesendet: Freitag, 01. April 2016 um 09:46 Uhr
Von: "joost schouppe" 
An: "john whelan" 
Cc: "hot@openstreetmap.org" 
Betreff: Re: [HOT] Request to those organising a maperthon.


Yes, that first version with letters written in blood was a bit over the top. Versions six is wonderful though.
 

Small tiles are always a good idea for new mappers, as it is motivating to be able to finish a tile. However, I often do see mappers forgetting to mark their tiles as finished. So I'm going to focus more on that at future events.

 


We had someone remote validating by chance at one of our events, and that was really useful. But mapathons tend to focus on "empty" projects, as new mappers get confused if they choose a tile which is badly mapped but not marked as validated - which does happen a lot. So the chance of finding a validator active there is quite small.


 

It might be good if we set up a system to make it easier for validators and event organizers to find each other? Newer organizers might not come here to announce their event. And even putting them in the calendar isn't very obvious. The most simple thing I can think of is to put "contact the HOT mailing list once you've set a date and task, to see if someone might do some live validation". What would you suggest?

This is a very practical question, as we're helping out a national organisation of universities pull off a mapathon in 7 universities simultaneously. See http://www.internationalmapyear.be/mapathon.php

 


 
2016-04-01 2:51 GMT+02:00 john whelan :



If you notice that the project you're planning to use has an active validator please if possible give them some warning before your maperthon.  Finding a dozen tiles suddenly mapped by new mappers can be wonderful but finding tiles marked done by a mapper who has not actually added anything when there are a dozen settlements unmapped on the first, then settlements but no highways at all on the second one examined does tend to dump on the validator.

If there is a bit of prior warning sometimes additional resources can be found to validate.
 

Secondly for new mappers please split the tiles as much as possible.  That gives the validator a chance to correct the mappers before they repeat the errors too many times.
 

So far on this particular project groups of buildings have been tagged building=residential rather than landuse=residential, then we have landuse=residential, great but with the additional tag of name=houses so be nice and verify your training guides are simple and clear to understand.

Yes I know I'm supposed to be polite and say everything is wonderful, this is the very polite version the first five versions have been heavily censored.
 

Many Thanks

John


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Re: [HOT] building, construction, ruins, livestock pen or?

2016-02-02 Thread Henning Bolz

Hi Mike, Hi Robert,

looking at the picture i would guess: not one building, but three round huts in a row next to each other at very close distance. 

A similar hut can be seen 50m SE.

 

Henning (hebolz)

 

 

 

 

Gesendet: Dienstag, 02. Februar 2016 um 07:06 Uhr
Von: "Robert Banick" 
An: "Mike Thompson" , HOT 
Betreff: Re: [HOT] building, construction, ruins, livestock pen or?


Hi Mike. I don’t know Swaziland very well but it doesn’t look like a building to me. A livestock pen perhaps but it’s a bit far from anything else and very small besides. Perhaps chicken houses? Or a waste pit?
 

 

 


On Tue, Feb 2, 2016 at 10:32 AM Mike Thompson  wrote:


https://www.openstreetmap.org/way/394119391

 

Looks to me like something that was a building once, but whose roof has since collapsed. Perhaps someone on this list has on the ground experience in a country like this (Swaziland) and can give us some insight.

 

Mike

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Re: [HOT] #1394 - Kinshasa Floods

2015-12-29 Thread Henning Bolz
Hi Leon,

 

the best way to handle this is to delete it and start again. 

And, as Blake said, to inform the mapper who originally did this.

 

I have seen this "double mapping" very often and it can be very annoying.

Blake, do you know why ID is doing this, or in which situation? Can it be avoided?

 

 

Regards

 

Henning (hebolz)

 

 

 

-

 
 

Gesendet: Dienstag, 29. Dezember 2015 um 14:18 Uhr
Von: "Blake Girardot" 
An: "Leon van der Meulen" , "HOT Openstreetmap" 
Betreff: Re: [HOT] #1394 - Kinshasa Floods

Hi Leon,

That task square in particular could use some fixing up. Sometimes in
the iD editor it will fail to display what someone has just mapped so
things get mapped twice by the same person.

As to the residential areas: I usually do the larger overall residential
area and then in this case, would have the "cutouts" for the
agricultural ares.

Again, I think that task square in particular was mapped by a new mapper
who was not sure the best way to map that area and wasn't sure what an
allotment was.

It should be pretty easy to fix up so if you wanted to take a few
minutes and fix it up that would be great.

And I would send a note to the new mapper when you are done, just
explaining you fixed it up, how and provide a link to the revised task
square so they can see how a more experienced mapper did it.

Thank you for mapping, reviewing and asking questions, it helps everyone
learn a bit.

Cheers,
Blake



On 12/29/2015 11:52 AM, Leon van der Meulen wrote:
> Hi All,
>
> I’m just checking out this task and some things just seem a little
> weird, for example this square:
> http://tasks.hotosm.org/project/1394#task/162
> A lot of areas are traced more than once, and residential land use isn’t
> mapped consistently. Wouldn’t it be better to trace the whole city once
> as residential and remove the smaller areas? Some are traced between
> roads, others just seem to be randomly drawn.
>
> Best,
>
> Leon
>
>
>
> --
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> Junior GIS Specialist, Geodienst
> University of Groningen
> @leonmeulen
>
> To boldly geo where no one has gone before!
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Re: [HOT] Northern Zambia data import to OSM

2015-10-09 Thread Henning Bolz
John is right, if the area is not too large, a HOT task would be useful for 
validation. 
Also, each building needs to have a source tag to show where the data comes 
from. 
Do you have additional information about the names/function of these buildings 
and the names of the corresponding villages?

Best regards

Henning (hebolz)



> Am 08.10.2015 um 21:24 schrieb john whelan :
> 
> A suggestion only would be to set up a set of tiles for this area as a HOT 
> task, mark all the tiles as done but leave them open for people to validate 
> with JOSM.  It would probably clean up a lot of existing OSM mapping in the 
> area and give you a higher quality map at the finish.
> 
> The suggestion would be more to verify existing mapping and catch the glaring 
> errors not to map bits that haven't been mapped already.  If its done this 
> way it will probably be a first for HOT but the validation is much faster 
> than new mapping.
> 
> It could also be done by loading up the entire area into JOSM hopefully its 
> not too big by one person and validating it that way which is an existing 
> technique so not so contentious.
> 
> Cheerio John
> 
> Cheerio John
> 
>> On 8 October 2015 at 14:29, Lauren Jacobson  
>> wrote:
>> Hi everyone,
>> 
>> I want to introduce myself and propose a new import in northern Zambia to 
>> the mailing list, and open up it up for feedback. My name is Lauren Jacobson 
>> and I am a Developer at Development Seed in Washington, DC. We have floated 
>> this out over the OSM Imports and OSM Talk-Africa listserv, but wanted to 
>> open the conversation to the HOT community.
>> 
>> Over the past couple of years, Akros Global Health collected the locations 
>> of over 268,000 buildings in Zambia through their mSpray indoor malaria 
>> prevention program. We at Development Seed have been working with Akros and 
>> USAID to process the data, and prepare it for import into OSM. This import 
>> will add a significant amount of data to OSM in northern Zambia. 
>> 
>> We've done the initial work to prep the data, check with existing data in 
>> OSM, and outline our workflow for how we'll conduct the import. Until now 
>> we've been working with the small group of collaborators at Akros, USAID, 
>> Ona, and Development Seed. We want circulate the proposal and plan to get 
>> additional feedback before we conduct the import. 
>> 
>> Import Plan
>> 
>> The plan is to have the import conducted by the Development Seed team. We 
>> identified no overlaps with existing buildings or roads in OSM and plan to 
>> conduct the import via JOSM. Our full plan is outlined in the wiki.
>> 
>>   - Proposal and plan: 
>> https://wiki.openstreetmap.org/wiki/Northern_Zambia_Buildings_Import
>>   - Issues, code, and data: 
>> https://github.com/developmentseed/zambia-buildings-import
>> 
>> We would appreciate any feedback before we conduct the import. Please feel 
>> free to contact me or open an issue on Github if you have any questions.
>> 
>> Best,
>> Lauren
>> 
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Re: [HOT] Mapping Northern Nigeria ?

2015-01-15 Thread Henning Bolz
Hi Jeremy, Hi all,



i would also like to see such a task, be it only to spread information about this unfortunate conflict.



Regards



Henning (aka user hebolz)








Gesendet:Donnerstag, 15. Januar 2015 um 12:06 Uhr
Von:Jeremy G jeremy@gmail.com
An:hot@openstreetmap.org
Betreff:[HOT] Mapping Northern Nigeria ?






Hi,

After the attacks of Boko Haram in Northern Nigeria this january, a similar reaction as in Gaza (mapping before/after with the help of appropriate aerial images) could be appropriate to help build a precise evaluation of the damages.


As a fairly new/unexperienced HOT contributor, I couldnt find any indication of such a project. Is it on track already, or is it planned ?

Some aerial images released from Amnesty International : https://adam.amnesty.org/asset-bank/action/search?attribute_603=Nigeria+Satellite+Images+January+2015

Best,

Jeremy
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