Re: [Matplotlib-users] XKCD style graphs?

[Damon M. <dam...@gm...>]

On Thu, Oct 4, 2012 at 10:44 AM, Damon McDougall
<dam...@gm...> wrote:
> On Thu, Oct 4, 2012 at 10:02 AM, Pierre Haessig
> <pie...@cr...> wrote:
>> Hi Fernando,
>>
>> Le 04/10/2012 09:16, Fernando Perez a écrit :
>>> This would make for an awesome couple of examples for the gallery, the
>>> mathematica solutions look really pretty cool:
>>>
>>> http://mathematica.stackexchange.com/questions/11350/xkcd-style-graphs
>> I've never used Mathematica so that it's pretty difficult for me to
>> understand the following lines of code which I guess do the main job of
>> distorting the image
>>
>> xkcdDistort[p_] := Module[{r, ix, iy},
>>    r = ImagePad[Rasterize@p, 10, Padding -> White];
>>    {ix, iy} =
>>     Table[RandomImage[{-1, 1}, ImageDimensions@r]~ImageConvolve~
>>       GaussianMatrix[10], {2}];
>>    ImagePad[ImageTransformation[r,
>>      # + 15 {ImageValue[ix, #], ImageValue[iy, #]} &, DataRange ->
>> Full], -5]];
>>
>>
>> Is there somebody there that can describe this algorithm with words
>> (English or Python ;-)) ?
>>
>> I feel like the key point is about adressing the rasterized plot image
>> "r" with some slightly randomized indices "ix" and "iy". However, I
>> really don't get the step that generates these indices.
>>
>> Best,
>> Pierre
>
> I believe this is in your interests: http://i.imgur.com/5XwRO.png
>
> Here's the code: https://gist.github.com/3832579
>
> Disclaimer: The code is ugly; don't judge me. Also, I installed the
> Humor Sans font but I couldn't get mpl to find it. Oh well :)

I got the font working :) http://i.imgur.com/Dxemm.png

-- 
Damon McDougall
http://www.damon-is-a-geek.com
B2.39
Mathematics Institute
University of Warwick
Coventry
West Midlands
CV4 7AL
United Kingdom