John,
I think we could do with more information on LearnOSM - the current
content is http://learnosm.org/en/coordination/review/ & a couple of
mentions in the Tasking Manager section.
I'm sure there is more information in other sources as well as the wiki
link http://wiki.openstreetmap.org/wiki/OSM_Tasking_Manager/Validating_data
If you and a couple of other people could put a guide together & run it
by a few people (Training Working Group?), I'd be happy to take the
resulting document & format the text to place it on LearnOSM. Grab a few
screenshots as well - I'll do the formatting, but I don't have time to
actually write the text at the moment - I can cope with copy & paste &
then format the outcome.
Regards
Nick
On 11/02/16 18:29, Russell Deffner wrote:
Hi all,
Validation is a ‘beast’ of a discussion that in my opinion has been
addressed in two parts: teaching/training validators and technical
changes in the Tasking Manager. I for one completely support building
a ‘white-list’ option (or otherwise the option to ‘appoint’
validators) into the TM; however don’t want to ‘spam’ the list too
much, so I think this is the ‘most current’ and on-point issue in
github: https://github.com/hotosm/osm-tasking-manager2/issues/599
However, on the training side of things; we have built a
‘higher-level’ type of course for validation here:
http://courses.hotosm.org/ but it is specific to HOT Disaster Mapping;
there has been talk about a module for ‘general’ validation on
LearnOSM, and Nick or someone closer involved with the Training
Working Group can probably tell you more about that.
In either case, I think there is plenty of room for improvement.
Cheers,
=Russ
*From:*Nick Allen [mailto:[email protected]]
*Sent:* Thursday, February 11, 2016 9:19 AM
*To:* john whelan
*Cc:* [email protected]
*Subject:* Re: [HOT] How newer mappers can help a lot with the
validation process
There is a wiki article at
http://wiki.openstreetmap.org/wiki/OSM_Tasking_Manager/Validating_data
It needs updating.
Nick (OSM=Tallguy)
my phone is responsible for any spelling mistakes!
On 11 Feb 2016 15:49, "john whelan" <[email protected]
<mailto:[email protected]>> wrote:
In there somewhere in a wiki or some such where we can document
validation, what works and why and what to look for? Perhaps put down
some sort of service level agreement ie after validation we are only
looking for what is requested in the instructions and for a JOSM
validotian to be run. We expect 97% of settlements to be mapped type
thing? That way people who wish to validate have something to feel
confident about.
We need to get more people into validation.
Thanks
Cheerio John
On 11 February 2016 at 09:56, Jo <[email protected]
<mailto:[email protected]>> wrote:
If such a volunteer becomes more confident after a while, they
shouldn't hesitate to actually validate the task, if all was mapped
well and they didn't have to add/change much.
When I look at finished tiles, I start with the intention to validate
it. If I have to do too much work on it, I will sometimes simply
unlock once again, either leaving a note it's actually complete now.
If there is still more work than I have time for at that time, it's
better to "invalidate", so another mapper knows where more work is needed.
Polyglot
2016-02-11 14:47 GMT+01:00 Blake Girardot <[email protected]
<mailto:[email protected]>>:
That is a good point John, if anyone does a second look to map in
missing buildings in a "completed" task square you should leave a
comment on the task square that says you looked over the completed
task square and filled in all the missing buildings you could find.
For sure it is not a waste of time to review completed task
squares, but I agree, it probably only needs one going over before
validation.
In addition, this is a very helpful way for new mappers to become
better mappers and contribute to an urgent priority project to get
done well and fast.
Tiny task squares help, but stuff still gets missed and often we
don't get the validation stage completed in time, no matter how
important it is so an informal review makes a big difference if
that is what a volunteer wants to do and can contribute.
Cheers,
Blake
On 2/11/2016 2:33 PM, john whelan wrote:
I'm not sure this is the best use of our very limited number of
mappers. Just scanning a tile takes time, so the optimum use of
mapper
time is to have them scan once when they map and have a validator
scan once.
For a productivity point of view its better to have new mappers split
the tiles twice and map a tiny tile completely than have twenty of
them
go over the same area. From the same point of view its better to have
them map where we have good imagery than map where quote "You may have
to squint a bit". Mapping whilst squinting takes more time to map the
same area than mapping where the imagery is good. No matter where
they
map it will be useful to someone if not a short term MSF or
American Red
Cross project and to be honest if something like Ebola crops up having
fairly good mapping of existing highways and villages in place before
you start helps those projects in the field at least plan out what and
where.
Cheerio John
On 10 February 2016 at 10:28, Blake Girardot <[email protected]
<mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>> wrote:
Hi all,
I just want to mention, that new mappers can really help with the
validation process by doing what they typically do: Map in
roads and
buildings but into "Completed" task squares.
You do not need to mark a task square "Validated", but just
reviewing the completed squares and filling in missing things or
fixing up buildings that might not be mapped very well
(squaring up
the rectangular buildings :) is immensely helpful.
I wrote a short OSM Diary entry that says basically the same
thing:
http://www.openstreetmap.org/user/bgirardot/diary/36235
I just thought I would mention it because if you see projects
on the
Tasking Manager that look "done" just know you can always help
a bit
more by reviewing "Completed" task squares just to double check
nothing was missed even if you do not feel experienced enough to
"Validate" a task square.
This is especially true for projects where we have made a call for
more mappers on the email list or via twitter. Double and triple
checks to make sure the mapping in the instructions is actually
complete really helps in the process and gets the people on the
ground the best data we can possible generate for them.
Cheers,
Blake
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Nick
Volunteer 'Tallguy' for
https://wiki.openstreetmap.org/wiki/Humanitarian_OSM_Team
http://www.openstreetmap.org/user/Tallguy
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