POV-Ray : Newsgroups : povray.general : request to increase 700K limit of 'animation' postings : Re: request to increase 700K limit of 'animation' postings Server Time
30 Jul 2024 18:23:55 EDT (-0400)
  Re: request to increase 700K limit of 'animation' postings  
From: Mueen Nawaz
Date: 31 Mar 2009 11:07:33
Message: <49d231b5@news.povray.org>
Thorsten Froehlich wrote:
> clipka wrote:
>> Stephen <mcavoysAT@aolDOTcom> wrote:
>>> So what is 1000000 bytes in the real world?
>>
>> Hmm... with uuencoding and all, I'd say... something like a 700k file? ;)
> 
> Encoding commonly adds 25% (twentyfive) size, thus the actual file size
> limit is 20% (twenty) less than the maximum permitted, thus for 5 MB the
> uploadable filesize is 4 MB.

	Actually, I believe it adds 33% and so to get the real size, subtract 25%.

	The way uucode and similar codings work is to take 3 characters
(bytes). Write them in binary next to each other - you have 24 bits.
Partition into 4 (6 bits each). Get the character represented by each of
those 6 bits (some shifting may be necessary) to get 4 bytes.

	So every set of 3 bytes becomes 4 bytes.

-- 
(Ice rocks hit the hull)  "Captain, we are being hailed."


                    /\  /\               /\  /
                   /  \/  \ u e e n     /  \/  a w a z
                       >>>>>>mue### [at] nawazorg<<<<<<
                                   anl


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