This picture is a final trace showing a lot of different features at a time.
The camera position is like in the last preview so you can easily compare
them. (please note that the dead leaves are contrrolled randomly and vary
between the pictures).

Feat1: the two wings in the middle of the picture (almost pointing out of
the pic) are cut off. This can be simulated easily by the so-called shape
parameters which control the size of the small leaves as they get placed
along the wing's stem.
Feat2: auto-LOD. You can see a differnce in the level of detail between the
left and the right hand side wings. This is due a misplacement of the LOD
center from the camera position (to make it noticeable)
Feat3: leaf age. The ded leaves on the ground were created with the same
macro as all the others leaves were created. just the aging parameters were
different
Feat4: leaf age. compare the ripples of the small leaves between the lower
and upper wings. lower wings are older and have therefore older leaves.
Feat5: damage of the leaves. note the small scratches in some leaves. easily
controllable by giving a probability for this effect.
Feat6: lost leaves. there are some missing leaves in some wings but this
can't be seen easily here.

Processing time: 26'33" parsing (first time parse, creation of include
file), 23' 09" tracing (No AA)

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