Matt Giwer wrote:

>         But I would guess it is not a mistake but a toss up between the
> number the equation requires and the log of that number. For
> example, a common analog volume control feels linear but the
> amount it changes internally is logarithmic. If it were linear
> lowest hearable to highest volume would be in the last ten
> percent. (Not quite but that is the idea.) Since they have to
> pick some rational scale make it a judgement call.

Yes but the use of logarithmic pots for audio purposes has to do with
the physics of human hearing and not to do with my visual pleasure when
using media. It could easily be linear or log and it would not matter
if the scaling of the feature were inadaquate for my purposes.

-- 
Ken Tyler

See my 700+ Povray and 3D Rendering and Raytracing Links at:
http://home.pacbell.net/tylereng/index.html

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