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Decription of UF_SF_COMPOSITE_auto_parameters_s:

1. comp_parameters :- Parameters used by both manual and auto
compositing. See description of
UF_SF_COMPOSITE_parameters_t above.

2. min_edge_size :- The minimum edge length allowed in the model.
Valid Range: { 0.0 < min_edge_size }
Autocompositing will be performed on body_tag in
order to eliminate all edges that are smaller
than min_edge_size. Note, however, that it is
not guaranteed that all edges smaller than
min_edge_size will be eliminated because doing so
may violate the face_deviation_angle.

3. sliver_factor :- The user specified minimum sliver factor.
sliver_factor is a ratio related to the ratio of
surface area divided by circumference which
detect faces that have a small surface area
compared to their curcumference.
Valid Range: { 0.0 < sliver_factor <= 1.0 } where
0.000 == a zero surface area surface.
0.056 == a rectangle 1x1000
0.175 == a rectangle 1x100
0.300 == recommended value.
0.510 == a rectangle 1x10
0.510 == a rectangle 1x10
0.886 == a perfect square.
1.000 == a perfect circle.

4. min_corner_angle :- An angle (in degrees) representing the minimum
allowable angle at the corner of a surface. Any
face with an angle less than this at a corner
will be a candidate for compositing with a
neighbor surface to eliminate this small angle.
Like min_edge_size, however, there is no
guarantee that all corner angles less than
min_corner_angle will be eliminated because
doing so may violate the face_deviation_angle.
Valid Range: { 0.0 <= min_corner_angle <= 90 }

5. face_deviation_angle :- An angle (in degrees) representing the maximum
that the dihedral angle between 2
adjacent faces deviate from 180 degrees and
still be considered a candiate for compositing.
On the edge that is shared by surface1 and
surface2, the surface normals of the 2 surfaces
are compared. If they deviate from each other
by more than face_deviation_angle, then the
surface will not be composite together unless
necessary to eliminate a face which violates
the sliver_factor.
Valid Range: { 0.0 <= face_deviation_angle <= 180 }