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From imacat <ima...@mail.imacat.idv.tw>
Subject Re: Yes. You can do this with OpenOffice. (MysteryGuitarMan video with OpenOffice Mac)
Date Sun, 12 Aug 2012 10:11:43 GMT
Well, see the attachment. ^_*'
(Sorry that I do not know you are already discussing this.)

Picture curtsey of Elena Botoeva
http://www.texample.net/tikz/examples/poppy/

On 2012/08/12 13:28, imacat said:
>     Well, this came to my mind:
> 
>     I do not know if the author draw this motion picture cell by cell,
> but I could write a UNO program to do that, and it shall take less than
> a couple of hours to generate that kind of stop motion video.  This is
> not hard.
> 
>     Maybe this can be my next topic to submit to the local conference
> about using OpenOffice UNO API.  This is cool~
> 
> On 2012/08/12 00:47, Rob Weir said:
>> On Fri, Aug 10, 2012 at 6:39 PM, Rob Weir <robweir@apache.org> wrote:
>>> On Fri, Aug 10, 2012 at 6:06 PM, Andreas S├Ąger <villeroy@t-online.de>
wrote:
>>>> Am 10.08.2012 02:24, Rob Weir wrote:
>>>>>
>>>>>
>>>>> And here is the "behind the scenes" video that explains how he did it:
>>>>>
>>>>> http://www.youtube.com/watch?v=6PCTinsZ7dM
>>>>>
>>>>
>>>> Having a video converter which creates the coarse pixel frames, all you need
>>>> is one matrix of color values per frame and script to dump them into the
>>>> Calc document.
>>>>
>>>> Matrix of 16 colors calculated from 32x32 random values:
>>>>>
>>>>> http://www.mediafire.com/file/zfw69gddrcwacoc/PixelMatrix.ods
>>>>
>>>
>>> Cool.  How would we get the pixel level numeric data into the
>>> spreadsheet initially?  I assume there is nothing in the macro
>>> language that can parse image data at that level. So we'd need to call
>>> out to a helper library?
>>>
>>> Also, one other nice time to have -- not strictly necessary, but would
>>> improve the results -- picking an optimal color palette that best
>>> matches the colors in the original image.  There are some standard
>>> algorithms for this:  http://en.wikipedia.org/wiki/Color_quantization
>>>
>>
>> Is there any interest in making a more formal contest out of this?
>>
>> I don't know what we can offer the winner other then eternal fame and
>> glory, but a contest could look like this:
>>
>> 1) Goal is to using OpenOffice Calc to automate conversion of a given
>> image into cell-based artwork, using background colors.  Variable
>> character data in cells may also be used (optional) as an
>> anti-aliasing technique.
>>
>> 2) Code would need to be based on AOO Calc 3.4.0, using
>> macros/scripts.  Calls to external non script code would be permitted
>> only for the initial extraction of pixel data from the image.  All
>> code would need to be made available for the judges to review.
>>
>> 3) Some images would be provided in advance.  Others images would be
>> unknown to the contestants and would be run only after the code was
>> submitted.
>>
>> 4) Judges would score all submissions based on rendering quality,
>> speed and technical elegance.
>>
>> If there is interest, I can work with a subset of interested parties
>> to define this further.  We'd do that in private, and of course those
>> who define the contest or judge it would be ineligible for
>> participating int he contest.
>>
>> If something like this could be done, do we think there would be any interest?
>>
>> -Rob
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>> -Rob
>>>
>>>>
>>>>
> 
> 


-- 
Best regards,
imacat ^_*' <imacat@mail.imacat.idv.tw>
PGP Key http://www.imacat.idv.tw/me/pgpkey.asc

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