Cesar wrote:
> (andit was expected, using ascii to represent the number
> has nothing to do with precision).

Be carful: The (decimal) ascii representation is not equal to the binary 
representation (you can't, for example, represent decimal 0.1 as a 
binary floating point number) - see 
http://docs.sun.com/source/806-3568/ncg_goldberg.html

But still, I did not have any "Camera vectors are not perpendicular" 
problems when using double precision to compute them.

> Ah! Is there a similar way to specify object position? without specifying a
> rotation (and using directing vectors instead)?

You can use a transformation matrix directly. If your external 
application uses matrices, that would make sense. Check the POV docs for 
the "matrix" keyword.

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