Woww..thanks for the responses to this stupud question.
Actually, what I'm looking for is that, with a preset light source and camera,
what heppens to light reflectance of the object when it is rotated or moved(the
object includes some pores- and I don't want to create animation).
Considering your explanations, it seems that it means a real time raytracing,
and if I want to do that in povray I just can have a scene at each position.

In this case what softwares (Proprietary/ Freeware/...) do you suggest?  Thomas
suggested Wings3D or Blender, any others are welcomed.

Thanks!

Vincent

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