8

MeshSmooth Modifier 717
From right to left, effect of increasing the number o f
iterations
Local Control rollo ut
Sub-object Level—Tu rns Edge or Ver tex le vel on or
off. When both levels are off, you’re working at the
object level. Information about the selected edges
or vertices is displayed in the message area under
theIgnoreBackfacingcheckbox.
Igno re Backfacing—When on, selection of
sub-objects selects only those sub-objects whose
normals make them visible in the viewport. When
off (the default), selection includes all sub-objects,
regardless of the direction of their normals.
Co ntrol Level—Allows you to see the control mesh
after one or more iterations and to edit sub-object
points and edges at that level. Transform controls
and t he Weig ht setting are available for all
sub-objects at all levels. The Crease setting is
available only at the Edge sub-object level.
Cr e ase —Creates a discontinuity on a surface so
yougetahardedge,suchasawrinkleorlip.You
selectoneormoreedgesub-objectsandadjustthe
Crease setting; the crease appears in the surfaces
associated with the selected edges. Available only
attheEdgesub-objectlevel.
Weigh t—Sets the weight of selected vertices or
edges. Increasing a vertex weig ht "pulls" the
smoothed result toward that vertex. Edge weights
aremorecomplexandbehaveinanopposite
manner in some respects. They aren’t really
"weights" as such, but "knot inter vals," in NURBS
terminolog y. Consequently, increasing an edge
weight tends to push the smoothed result away .
Kinks will form in the result if weights of 0 are
used.
Isoline Display—When on, the software displays
only isolines: the object’s or iginal edges, before
smoothin g. The benefit of us ing this option is
a less cluttered display. When off, the software
displays all faces added by MeshSmooth; thus,
higher Iterations settings (see
Subdivision Amount
Rollout (page 1–716)
) result in a greater number
of lines. Default=on.
Show Cage—Toggles the display of a two-color
wireframe that shows t he modified object before
subdivision. The cage colors are shown as
swatches to the right of the check box. The first
color represents unselected edges at the Vertex
sub-object level, and the second color represents
unselected edges at the Edge sub-object level.
Change a color by clicking its swatch.