[HOT] Mapswipe - whats happening with the data?

Sun Mar 26 17:06:51 UTC 2017

OK I accept that mapswipe is wonderful.

Thanks for the input.

Cheerio John

On 26 Mar 2017 12:52 pm, "Pete Masters" <pedrito1414 at googlemail.com> wrote:

> Hey John, it's not just that its quicker. It is also that different people
> can engage with the task. It's hard to contribute if you have a few minutes
> through the tasking manager. But you can through MapSwipe. It's also near
> impossible to contribute via mobile or on the go. Again MapSwipe makes this
> possible.
>
> Even if it was as quick to do the scanning through JOSM, we are able to
> get a whole new group of people involved in the workflow.
>
> Cheers,
>
> Pete
>
> On 26 Mar 2017 17:27, "Jo" <winfixit at gmail.com> wrote:
>
>> Hi John,
>>
>> Both possibilities exist. You can 'reserve' a bunch of tile to work on
>> while off line, or you can work online.
>>
>> It's easy to install it and play with it.
>>
>> Polyglot
>>
>> 2017-03-26 18:23 GMT+02:00 john whelan <jwhelan0112 at gmail.com>:
>>
>>> So what you're saying is it can scan about as fast as JOSM using
>>> <crtl><down arrow>.  Does it require an online connection or can it
>>> precharge so someone can do it on the bus and upload the results when it
>>> gets near WiFi?
>>>
>>> Thanks John
>>>
>>> On 26 March 2017 at 12:05, Pete Masters <pedrito1414 at googlemail.com>
>>> wrote:
>>>
>>>> Hi all, late to the party, but here are my two cents...
>>>>
>>>> MapSwipe, anecdotally for now, does save mappers' time. In an area
>>>> where little OSM data exists, it can target mappers' efforts where people
>>>> (or roads or rivers) exist. In the kind of rural landscapes we deal with a
>>>> lot in MSF areas of interest, this cuts down the amount of time spent
>>>> 'scanning' for stuff to map significantly. And, MapSwipe users can get
>>>> through a large area super fast.
>>>>
>>>> In the Sierra Leone projects we used it slightly differently. We knew
>>>> that Kenema district had been partly mapped through several other
>>>> initiatives (Ebola mapping  and the American Red Cross West Africa project
>>>> for example). We wanted comprehensive data in OSM, so we tasked the area in
>>>> MapSwipe and cross referenced the results with existing OSM data. Where
>>>> MapSwipers said 'yes, there is a building' but none existed in OSM the area
>>>> would be tasked for mapping. Where MapSwipers said 'yes, there is a
>>>> building' and building data existed in OSM, we discounted the area from the
>>>> tasking. Meaning that mappers were applying affords only where there were
>>>> gaps in the data.
>>>>
>>>> I hope that is of interest. Couple of related points...
>>>>
>>>> Each area is classified by three different users in MapSwipe, not four.
>>>>
>>>> Paul Stewart wrote up the process for using Mapswipe to deduplicate
>>>> mapping efforts through the tasking manager
>>>> http://www.openstreetmap.org/user/pjstewart1984/diary/40710
>>>>
>>>> Disastermappers write here about how to access MapSwipe data and how
>>>> they process it https://disastermappers.wordpr
>>>> ess.com/2016/11/16/integrating-mapswipe-and-hot-tasking-mana
>>>> ger-first-task-online/
>>>>
>>>> HOT Summit presentation on MapSwipe and pybossa
>>>> https://youtu.be/pRZ_mWn0Lmc
>>>>
>>>> Cheers,
>>>>
>>>> Pete
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 26 Mar 2017 15:47, "Jo" <winfixit at gmail.com> wrote:
>>>>
>>>>> It's definitely useful to save actual mapper's time. For validation
>>>>> I'm not sure it would be a big help.
>>>>>
>>>>> Op 26 mrt. 2017 3:12 p.m. schreef "john whelan" <jwhelan0112 at gmail.com
>>>>> >:
>>>>>
>>>>>> Would we be better ahead by using something like mapswipe to
>>>>>> validate?  If a tile is OK there is no need to add to the map from the
>>>>>> tool.  If three mappers tick it then I would say its good to go.
>>>>>>
>>>>>> The current system we use four mappers to mapswipe, then a
>>>>>> conventional mapper to map followed by a validator.  Six passes to get a
>>>>>> validated tile.  The other way would give you one in four passes three of
>>>>>> which would be on smartphones.
>>>>>>
>>>>>> Cheerio John
>>>>>>
>>>>>> On 26 March 2017 at 09:01, john whelan <jwhelan0112 at gmail.com> wrote:
>>>>>>
>>>>>>> But does it address the concern about how much effort is expended
>>>>>>> compared to the value added?
>>>>>>>
>>>>>>> Cheerio John
>>>>>>>
>>>>>>> On 26 March 2017 at 08:44, Ralf Stephan <gtrwst9 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Search is your friend. Searching for Mapswipe yields eg
>>>>>>>> http://tasks.hotosm.org/project/2521
>>>>>>>> where clearly the tiles are preselected. Also the description: "The
>>>>>>>> data are prepared by MapSwipe"
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>>
>>>>>>>> On Sun, Mar 26, 2017 at 2:40 PM john whelan <jwhelan0112 at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> I seem to recall the same area is mapswiped by four different
>>>>>>>>> people before a mapper maps it.
>>>>>>>>>
>>>>>>>>> Other than the size of the tile or which area to give priority to
>>>>>>>>> I think the advantage is that people can do it anywhere on a smartphone.
>>>>>>>>>
>>>>>>>>> I would hesitate to say if it is worth doing or not.  In future
>>>>>>>>> there might be a way to bring something into OSM via a review process.
>>>>>>>>>
>>>>>>>>> Cheerio John
>>>>>>>>>
>>>>>>>>> On 26 March 2017 at 08:22, Hakuch <hakuch at posteo.de> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 26.03.2017 14:13, john whelan wrote:
>>>>>>>>> > My understanding is that mapswipe is only used to identify where
>>>>>>>>> to map.
>>>>>>>>> > Not to contribute to the map.
>>>>>>>>> >
>>>>>>>>> > Cheerio John
>>>>>>>>>
>>>>>>>>> of course there is no data transmitted to OSM, but how is the data
>>>>>>>>> (I
>>>>>>>>> mean, marked tiles) used after I transmitted it? How much is it
>>>>>>>>> worth to
>>>>>>>>> do that mapswiping?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
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>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
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