Severi Salminen wrote:

> Let's have a vector V which is random vector inside a hemisphere which
> has a pole at 0,1,0 (just like the northern hemisphere of Earth). I want
> to orient the vector inside a hemishere which has a pole pointing at
> vector N. How do I do this? 

Example:

V = (0.71, 0.71, 0) //The random vector in "northern hemishpere")
N = (-1,0,0) //The pole I want to orientate the random vectors to)

The result is

Vnew = (-0.71, 0.71, 0)

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