[Bf-committers] bump mapping - white is down & black is up???

Tobias Oelgarte tobias.oelgarte at googlemail.com
Sun Feb 27 10:27:01 CET 2011

Guess so. Alone the fact that the mapping of white as peaks and black as 
valleys is fairly similar to the actual shading result, makes it more 
intuitive. Valleys are often inside the shadow as the deep sun touches 
the mountain peaks. Pores of the skin are commonly darker then the rest 
of it. ...

Am 27.02.2011 09:43, schrieb Knapp:
> Sorry but could not resist.
> Black is yin, white is yang.
> wiki
> 'It is impossible to talk about yin or yang without some reference to the
> opposite, since yin and yang are bound together as parts of a mutual whole
> (i.e. you cannot have the back of a hand without the front). A way to
> illustrate this idea is to postulate the notion of a race with only men or
> only women; this race would disappear in a single generation. Yet, men and
> women together create new
> generations<http://en.wikipedia.org/wiki/Sexual_reproduction>  that
> allow the race they mutually create (and mutually come from) to survive. The
> interaction of the two gives birth to
> things.[3]<http://en.wikipedia.org/wiki/Yin_and_yang#cite_note-2>  Yin
> and yang transform each other: like an undertow in the ocean, every advance
> is complemented by a retreat, and every rise transforms into a fall. Thus, a
> seed will sprout from the earth and grow upwards towards the sky – an
> intrinsically yang movement. Then, when it reaches its full potential
> height, it will fall.'
> I would say that black as down and white as up has at least a 5000 year
> history behind it.
> :-)

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