[HOT] How newer mappers can help a lot with the validation process
Nick Allen
nick.allen.54 at gmail.com
Thu Feb 11 19:31:29 UTC 2016
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:nick.allen.54 at gmail.com]
> *Sent:* Thursday, February 11, 2016 9:19 AM
> *To:* john whelan
> *Cc:* HOT at openstreetmap.org
> *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" <jwhelan0112 at gmail.com
> <mailto:jwhelan0112 at gmail.com>> 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 <winfixit at gmail.com
> <mailto:winfixit at gmail.com>> 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 <bgirardot at gmail.com
> <mailto:bgirardot at gmail.com>>:
>
>
> 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 <bgirardot at gmail.com
> <mailto:bgirardot at gmail.com>
>
> <mailto:bgirardot at gmail.com <mailto:bgirardot at gmail.com>>> 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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