H. Karsten <h-karsten()web.de> wrote:
> I need to write a file, with contains the absolute position and rotation of
> these objects.

  Define a vector (let's call it L for short) which contains the location
of the unmodified object, and another (O) which contains its orientation.

  Each time you translate the object, add the translation vector to L.
Each time you rotate the object, apply the same rotation to both L and O
using vrotate(). Each time you scale the object, multiply L with the
scaling factor (even if it's uneven scaling using a vector as factor).

-- 
                                                          - Warp

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