[OHM] TimeSlider - calling attention to early prototype

Wed May 14 12:16:47 UTC 2014

To recap:

A time slider is needed in
- the map editor to allocate a suitable date or a date range to an object
- the map display to select the correct display date for the map
- the search for historical maps, items, events

Re: ephemeral data:
There was a proposal during the Wikimedia Zürich hackathon to instantiate
an OSM repository for such ephemeral data. What would be the drawbacks (and
should we continue this in another thread?)

Susanna

2014-05-14 15:07 GMT+03:00 SK53 <sk53.osm at gmail.com>:

> Certainly my main concern at the moment is a slider for allocating a
> suitable active date range to an object in an editor, and my comments have
> been from that perspective.
>
> I would agree that for consumption of data a single time point selector is
> needed: I presume that simply dropping one of the end points on the demo
> sliders would achieve that at a technical level.
>
> Two other comments:
>
>    - I think some of the early use cases for OHM were for mapping
>    military campaigns (and specifically WWI battlefields) in which case day
>    level granularity is needed on the sliders.
>    - I realise I'm not clear about where we propose to store event
>    related location data (for instance, locations of ships in a sea battle,
>    such as Jutland/Skaggerak). This type of truly ephemeral data does not fit
>    particularly well with the OSM-derived model.
>
> Jerry
>
>
> On 14 May 2014 12:49, Susanna Ånäs <susanna.anas at gmail.com> wrote:
>
>> Hi all,
>>
>> I agree with Jan that selecting a time range for the map is not as good
>> as a point in time, and also with Micru that it is required for events.
>>
>> In fact, we may be talking about 2 different selectors with additional
>> filtering and other options for each.
>>
>> Cheers,
>> Susanna
>>
>>
>>
>> 2014-05-14 9:24 GMT+03:00 David Cuenca <dacuetu at gmail.com>:
>>
>>> Jan: for the map itself a single slider is definitely the
>>> easiest/clearest. For displaying events on it, a single slider is too
>>> limited, though you could get the same functionality with range queries.
>>> ("look for events that happened between 1500 and 1600, display them on a
>>> 1555 map")
>>>
>>> Cheers,
>>> Micru
>>>
>>>
>>> On Tue, May 13, 2014 at 11:19 PM, Jan Ainali <jan.ainali at wikimedia.se>wrote:
>>>
>>>> What I would like is not primarily a range slider (although there might
>>>> be cases where that might be interesting). But my primary use case is to
>>>> see the map for a specific point in time. That also gives the benefit in
>>>> not having "double" objects at the map. If you have a range, you might have
>>>> features being built, destroyed and then new ones being built in that
>>>> range. How would that be rendered?
>>>>
>>>>
>>>> *Med vänliga hälsningar,Jan Ainali*
>>>>
>>>> Verksamhetschef, Wikimedia Sverige<http://se.wikimedia.org/wiki/Huvudsida>
>>>>
>>>> 0729 - 67 29 48
>>>>
>>>>
>>>> *Tänk dig en värld där varje människa har fri tillgång till
>>>> mänsklighetens samlade kunskap. Det är det vi gör.*
>>>> Bli medlem. <http://blimedlem.wikimedia.se>
>>>>
>>>>
>>>>
>>>> 2014-05-13 22:27 GMT+02:00 David Cuenca <dacuetu at gmail.com>:
>>>>
>>>> Derek: nice!
>>>>>
>>>>> Jerry: it is possible to input the dates in the slider, but it would
>>>>> need a date formatter
>>>>> http://ghusse.github.io/jQRangeSlider/options.html#typeOption
>>>>>
>>>>> About the precision, I would keep it as simple as possible, with years
>>>>> as default and the option to change it if needed.
>>>>>
>>>>> Cheers,
>>>>> Micru
>>>>>
>>>>>
>>>>> On Tue, May 13, 2014 at 8:43 PM, SK53 <sk53.osm at gmail.com> wrote:
>>>>>
>>>>>> Hi All,
>>>>>>
>>>>>> These examples are certainly close to what I started trying to mock
>>>>>> up for my recent blog post, but decided would take too long to make look
>>>>>> reasonable.
>>>>>>
>>>>>> My one comment on the implementations is that it should be possible
>>>>>> to type a date into the text box showing the date on the slider. Ideally
>>>>>> the date display would also provide some mechanism to indicate date
>>>>>> 'fuzziness'.
>>>>>>
>>>>>> Way out in the future one might imagine a slider being non-linear
>>>>>> using speed of change to allow for more precise date selection (a la
>>>>>> panning on tablets/phones).
>>>>>>
>>>>>> Jerry
>>>>>>
>>>>>>
>>>>>> On 13 May 2014 18:53, Derek Kniffin <derek.kniffin at gmail.com> wrote:
>>>>>>
>>>>>>> Hi Micru and Jaime,
>>>>>>>
>>>>>>> I was just playing with a jsfiddle using jQRangeSlider, to see what
>>>>>>> I could come up with. Here's what I got:
>>>>>>>
>>>>>>> http://jsfiddle.net/vM844/1233/
>>>>>>>
>>>>>>> Hope that helps.
>>>>>>>
>>>>>>> --Derek
>>>>>>>
>>>>>>>
>>>>>>> On Tue, May 13, 2014 at 1:49 PM, David Cuenca <dacuetu at gmail.com>wrote:
>>>>>>>
>>>>>>>> Hi Jaime,
>>>>>>>>
>>>>>>>> Good starting point. Maybe you could also take a look to this one
>>>>>>>> to get some ideas?
>>>>>>>> http://ghusse.github.io/jQRangeSlider/
>>>>>>>>
>>>>>>>> Some things I like of this one:
>>>>>>>> - you can drag the central area and both sliders move with it
>>>>>>>> - the date is displayed in the slider
>>>>>>>>
>>>>>>>> Things that it is missing:
>>>>>>>> - a precision selector (century, year, day)
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Micru
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tue, May 13, 2014 at 6:47 PM, Jaime Schatz <
>>>>>>>> jaimelynschatz at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Everyone,
>>>>>>>>>
>>>>>>>>> I've got a very, very (*very*) early prototype of a TimeSlider
>>>>>>>>> for users to select dates on the OHM. I didn't want to get too far down a
>>>>>>>>> rabbit hole without checking in. Not sure if this is the place to post it -
>>>>>>>>> it's also on Bugzilla and referenced in the Github issues for OHM.
>>>>>>>>>  Feedback (on the actual slider as well as on where/how to post things like
>>>>>>>>> this) is more than welcome!!
>>>>>>>>>
>>>>>>>>> Github issue:
>>>>>>>>> https://github.com/OpenHistoricalMap/ohm-website/issues/15
>>>>>>>>> Bugzilla: https://bugzilla.wikimedia.org/show_bug.cgi?id=62900
>>>>>>>>> Protype: http://jaimelynschatz.github.io/timeslider-mvp.html
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> :) JaimeLyn
>>>>>>>>> Gnome/OPW Intern
>>>>>>>>> UTC - 7/PDT
>>>>>>>>>
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Etiamsi omnes, ego non
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>>>>>>>>
>>>>>>>
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>>>>>>
>>>>>
>>>>>
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>>>
>>>
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