Mathieu,

to second what Pau said I think that while we appreciate the effort here, multi-colored icons that are not necessarily from vector (vs raster) based sources really increases the overhead to maintain the visual system. 

Single color icons that are resolution independent that we can scale, modify, and display easily on desktop and mobile are much more useful. 

Depending on design direction, single color "metaphor" icons and easily change with the look of the site over time, and don't necessarily have a strong look & feel of their own, this gives the foundation and designer that help us out more leeway to explore different design options.

We also would love to see greater consistency, if you look at the icon guidelines for Windows, OS X, Android, or iOS you will see cohesive systems for color, perspective, shape, as well as suggestions on how to deal with certain metaphors and concepts. Because many of the assets will be created by the community having guidelines like this is very helpful, and i'd love for my team to eventually create these. The icons you've shown as part of Nuvola are very creative and represent a pretty high barrier to entry for someone with basic image editing skills. If like Pau suggests we utilize the simple flat or subtly volumetric style found on the Noun Project the barrier to entry feel much lower to new users wanting to contribute.

Not to say that creating simplicity is simple, but I think it is a good place to start.

Thanks again for your contributions, check out the Noun Project and let us know your thoughts

Jared



Jared Zimmerman  \\  Director of User Experience \\ Wikimedia Foundation               
M : +1 415 609 4043 |   :  @JaredZimmerman



On Thu, Jun 6, 2013 at 1:56 PM, Mathieu Stumpf <psychoslave@culture-libre.org> wrote:
Le jeudi 30 mai 2013 à 15:29 +0200, Pau Giner a écrit :
> The Noun project has icons for very diverse topics, so it may be
> helpful in general. Their science and math category does seem not to
> cover the specific concepts you mention, but some of the available
> ones may be useful as inspiration.
>
>
> Pau

Oh, sorry, I just realized that indeed someone answered, and in fact I
even added the link in the external link section of the project. :P

Now, the project list many "review needed", but don't document the
review process, do you have any idea/suggestion?

>
>
> On Thu, May 30, 2013 at 2:52 PM, Mathieu Stumpf
> <psychoslave@culture-libre.org> wrote:
>         Hello,
>
>         Seeking for icons to reprent things like "axioms", "theorems"
>         and so on for the french wikiversity, I found the "Project
>         Nuvola 2.0+"[1], despite it seems that there's currently not
>         much activity on it, I began to put new proposals on the page.
>         I think I red some messages on this list about this topic. Is
>         there some active projects I should look at?
>
>         By the way, if you have ideas to illustrate the following
>         concepts, let me know:
>         Axiom
>         Corollary
>         Definition
>         Example
>         Lemma
>         Principle
>         Proof
>         Property
>         Suggestion
>         Theorem
>
>         You may look at [2] to see my current proposals for some of
>         them.
>
>         [1]
>         https://commons.wikimedia.org/wiki/Commons:Project_Nuvola_2.0%
>         2B
>         [2] https://fr.wikiversity.org/wiki/Modèle:Emphase
>
>         _______________________________________________
>         Design mailing list
>         Design@lists.wikimedia.org
>         https://lists.wikimedia.org/mailman/listinfo/design
>
>

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