[Lumiera] a single digit??

Hendrik Boom hendrik at topoi.pooq.com
Fri Feb 8 19:38:20 CET 2013


On Fri, Feb 08, 2013 at 07:27:48PM +0100, Ichthyostega wrote:
> >> Quality:: High-quality, cinema grade digital video material requires
> >> crisp-quality results with no concessions made throughout the entire
> >> workflow that might compromise quality of the final work. A common
> >> requirement is the ability to reproduce all rendering calculations down to
> >> a single digit.
> 
> >> Hendrik Boom:
> >>> ??What does this mean, a single digit??
> 
> > On Thu, Feb 07, 2013 at 08:53:09PM +0100, Ichthyostega wrote:
> >> What it means, technically, is that rendering should be deterministic and
> >> that we should care for rounding and number representation issues.
> ...
> 
> Am 08.02.2013 03:07, schrieb Hendrik Boom:
> > Yes, that's as it should be.  But none of that is expressed by the phrase "a
> > single digit".  Rather, it suggests gross quantization with at most ten
> > levels of whatever, there being ten digits, and a resulting *lack* of
> > precision.
> 
> Good point. Maybe it should read "down to the last bit" ?

And mayne your wonderfully clear and eloquent paragraphs explaining just 
what the unfortunate phrase "single digit" meant should be on the 
wiki somewhere, too.

-- hendrik



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