Re: [Wikitech-l] [Maps-l] Output from Zurich Hackathon - yet another maps extension!

2014-05-20 Thread Dan Andreescu

 FYI, Limn is also sort of taken in the MediaWiki/WMF namespace:
 https://www.mediawiki.org/wiki/Analytics/Limn


Yep, but that Limn is dying slowly.  If we do this new extension properly,
it will take its place.  As Erik said, this is not staffed for success
right now but it would address many shared needs.
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Re: [Wikitech-l] [Maps-l] Output from Zurich Hackathon - yet another maps extension!

2014-05-20 Thread Jon Robson
Update. There is now a Special:Map which when passed API parameters
can construct a map from the corresponding API request. This would
give us the opportunity to create maps around existing data. This
would support a Nearby map view.

See this link for more:
http://wikimaps-ext.wmflabs.org/wiki/Making_maps_via_the_API

All of this is very prototypal and can be removed if there is no need.
I plan to get this off Github and on to Gerrit sometime next week.

On Tue, May 20, 2014 at 6:48 PM, Dan Andreescu dandree...@wikimedia.org wrote:

 FYI, Limn is also sort of taken in the MediaWiki/WMF namespace:
 https://www.mediawiki.org/wiki/Analytics/Limn


 Yep, but that Limn is dying slowly.  If we do this new extension properly,
 it will take its place.  As Erik said, this is not staffed for success
 right now but it would address many shared needs.
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-- 
Jon Robson
* http://jonrobson.me.uk
* https://www.facebook.com/jonrobson
* @rakugojon

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Re: [Wikitech-l] [Maps-l] Output from Zurich Hackathon - yet another maps extension!

2014-05-15 Thread Matthew Flaschen

On 05/14/2014 12:43 PM, Dan Andreescu wrote:

* File namespace serving raw data from Commons (where people are familiar
with take down notices and have the infrastructure to deal with that)


We shouldn't let copyright considerations dictate which WMF project 
hosts the data.  https://wikimediafoundation.org/wiki/Designated_agent 
covers all the projects.


The WMF is responsible for handling official DMCA takedown notices 
(which means they should generally be covered by the Safe Harbor),


However, editors (e.g. on Wikipedia, Commons, etc.) can and do take a 
proactive role in fighting copyright infringement above and beyond that.


Matt Flaschen

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Re: [Wikitech-l] [Maps-l] Output from Zurich Hackathon - yet another maps extension!

2014-05-14 Thread Jon Robson
Tim I completely agree. This is something we need to setup.
Patches very much welcomed! :-)



On Wed, May 14, 2014 at 7:51 AM, Tim Alder t...@alder-digital.de wrote:
 I think the most important feature is to create on serverside a
 thumbnail for each map by using something like http://phantomjs.org/
 This thumbnails should than be in the big WMF caches. The map would
 become interactively only in the case a user click on it.
 This would reduce the numbers of request for loading a page and JS
 overhead and it would increase the stability of the system.
 Without this feature I afraid to never see the extension live in Wikipedia.

 Other nice features you can see at umap.openstreetmap.fr:
 *Choosing different backgrounds
 *POIs with interactive descriptions
 *Geometry import from OSM (WIWOSM)
 *different layers
 *...

 Greeting Tim alias Kolossos


 Am 14.05.2014 00:34, schrieb Jon Robson:
 During the Zurich hackathon, DJ Hartman, Aude and I knocked up a
 generic maps prototype extension [1]. We have noticed that many maps
 like extensions keep popping up and believed it was time we
 standardised on one that all these extensions could use so we share
 data better.

 We took a look at all the existing use cases and tried to imagine what
 such an extension would look like that wouldn't be too tied into a
 specific use case.

 The extension we came up with was a map extension that introduces a
 Map namespace where data for the map is stored in raw GeoJSON and can
 be edited via a JavaScript map editor interface. It also allows the
 inclusion of maps in wiki articles via a map template.

 Dan Andreescu also created a similar visualisation namespace which may
 want to be folded into this as a map could be seen as a visualisation.
 I invite Dan to comment on this with further details :-)!

 I'd be interested in people's thoughts around this extension. In
 particular I'd be interested in the answer to the question For my
 usecase A what would the WikiMaps extension have to support for me to
 use it.

 Thanks for your involvement in this discussion. Let's finally get a
 maps extension up on a wikimedia box!
 Jon

 [1] https://github.com/jdlrobson/WikiMaps

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Re: [Wikitech-l] [Maps-l] Output from Zurich Hackathon - yet another maps extension!

2014-05-14 Thread Dan Andreescu
Thanks for starting this Jon, the end result is going to be awesome.  So
here's how I see things, it's roughly along the lines of what you've been
saying:

Server-side rendering and scaling is important.  This is one of the main
reasons I picked Vega [2] for my hack.  The same visualization grammar can
be used to generate png or svg [2].  I see the approach to visualization as
being similar to Parsoid:

* user creates a visualization (with a visual editor) and saves
* Vega parses that server side and generates an image, then refreshes the
caches accordingly
* a transcluded visualization renders the image from cache as a link to the
interactive version
* when the link is clicked, something like MediaViewer shows the
interactive visualization
* alternatively, we can allow editors to show the interactive version in
the transclusion itself, but that has performance implications until
browser caches are filled.

Now a little bit about where I see the Map namespace.  A visualization in
the world of Vega has three parts:

* Data (one or more sets of data, can be geojson, topojson, tsv, csv,
layers from OSM [3], OHM [4], etc.)
* Transformations on that data (scales, normalization, etc.)
* Marks (visual representations)

Transformations and Marks can be written by hand or by a visual editor that
introspects the specification to show what's possible.  Data to me is the
tricky part.  We may need to restrict Vega to only consume open data that's
hosted and curated by us, and that could be done in a few different ways:

* Namespaces like the Maps namespace that enables awesome collaborative
editing of geojson
* Datasets in WikiData using an alternative data model
* File namespace serving raw data from Commons (where people are familiar
with take down notices and have the infrastructure to deal with that)

But yes, I do see the Maps namespace as one of the sources of data that we
could visualize with Vega.  And recent developments in Vega make me feel
that it's really a solid choice for generic visualization.  We have
interactivity, headless mode, a seemingly clear path to a visual editor via
introspection of the grammar specification, and pretty much everything I
can think of needing from such a tool.

For the short term, I think further exploration of the Map namespace is
great, but I think generic visualization work could go into the
Visualization namespace.  My suggestion for a name for this namespace may
seem a bit obscure.  It's a word that means to illuminate: Limn [5].
 There's an old project by that name of which I'm not very fond (despite
writing some of it myself), but I've always thought the word was beautiful
and fit.  To what Antoine was saying earlier, we should illuminate the
world's knowledge with beautiful visualizations.


[1] https://github.com/trifacta/vega
[2] https://github.com/trifacta/vega/wiki/Headless-Mode
[3] OSM - Open Street Maps http://wiki.openstreetmap.org/wiki/Main_Page
[4] OHM - Open Historical Maps
http://wiki.openstreetmap.org/wiki/Open_Historical_Map
[5] Limn - depict or describe in painting or words:
https://github.com/wikimedia/mediawiki-extensions-Limn


On Wed, May 14, 2014 at 9:43 AM, Jon Robson jrob...@wikimedia.org wrote:

 Tim I completely agree. This is something we need to setup.
 Patches very much welcomed! :-)



 On Wed, May 14, 2014 at 7:51 AM, Tim Alder t...@alder-digital.de wrote:
  I think the most important feature is to create on serverside a
  thumbnail for each map by using something like http://phantomjs.org/
  This thumbnails should than be in the big WMF caches. The map would
  become interactively only in the case a user click on it.
  This would reduce the numbers of request for loading a page and JS
  overhead and it would increase the stability of the system.
  Without this feature I afraid to never see the extension live in
 Wikipedia.
 
  Other nice features you can see at umap.openstreetmap.fr:
  *Choosing different backgrounds
  *POIs with interactive descriptions
  *Geometry import from OSM (WIWOSM)
  *different layers
  *...
 
  Greeting Tim alias Kolossos
 
 
  Am 14.05.2014 00:34, schrieb Jon Robson:
  During the Zurich hackathon, DJ Hartman, Aude and I knocked up a
  generic maps prototype extension [1]. We have noticed that many maps
  like extensions keep popping up and believed it was time we
  standardised on one that all these extensions could use so we share
  data better.
 
  We took a look at all the existing use cases and tried to imagine what
  such an extension would look like that wouldn't be too tied into a
  specific use case.
 
  The extension we came up with was a map extension that introduces a
  Map namespace where data for the map is stored in raw GeoJSON and can
  be edited via a JavaScript map editor interface. It also allows the
  inclusion of maps in wiki articles via a map template.
 
  Dan Andreescu also created a similar visualisation namespace which may
  want to be folded into this as a map could be seen as a