This is my attempt at dust with pov.

The dust on the desk is a height-field.  The image
for the HF was created by pouring some flour on my
scanner's glass, to get credible distribution of
dusty areas (note for later : remove flour from scanner).

The dust on the sphere is generated by using the
MegaPov "trace" function, and placing discs at intersection
points.

Not very satisfied of the result.  Tried to use a
colormapped texture on the sphere's dust, but it looked
ugly.

Maybe I will try to put other objects and trace some flour..
.err.. dust on these.

Fabien.

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