9

872 Chapter 8: Modifiers
Procedure
Example: To translate a patch sub-object selection
to a polygon sub-object selection:
1.
Select a patch model and turn on w ireframe
mode.
2. In the stack display, choose the Patch sub-object
level.
3. Select a patch on the model.
4. Apply the Turn To Mesh modifier from the
Modifier list.
5. In the stack display, right-click the Turn To
MeshmodifierandchooseCollapseAll.
6. Click Yes in the dialog that warns you about the
possibility of undesirable topological effects.
7. In the stack display (or in the selection rollout),
choose the Polygon sub-object mode. The
original patch selection has b een preserved.
Inter face
Parameters rollout
Use Invisible Edges—When on, uses invisible
edges to represent polygons. When off, produces
a completely t riangulated mesh with all visible
edges. Default=on.
Sub-objec t Sele ctions group
These options control the selection of sub-objects.
Preserv e—Passes the sub-object selection up t he
stack. For example, if you have an object that you
have converted to an editable mesh, and you’ve
selectedapolygon,thenwhenyouapplyaTurn
To Mesh modifier, t he polygon remains selected.
Default=on.
Cle ar —Clears the sub-object selection so that
nothing i s selected. Default=off.
Inver t—Inverts the sub-object selection. All
sub-objects not currently selected are selected, and
all sub-objects currently selected are deselected.
Default=off.
Include Sof t S election—Affects the action of
sub-object Mov e, Rotate, and Scale functions.
When these are on, 3ds Max applies a spline curve
deformation to unselected vertices surrounding
the t ransformed selected sub-object. T his provides
a magnet-like effect, with a sphere of influence
around the transformation. Use this when you
want to preserve the soft selection from beneath.
Forexample,ifUseSoftSelectionisonwhenyou
select vertices on an editable poly, and you apply
Turn To Mesh with Include Soft Selection on, then
the same sof t selection will apply to the mesh
ver t ices. Default=on.
For more information, see Soft Selection Rollout
(page 1–963).
Selection Level group
These options set t he sub-object selection level for
passing up t he rest of the stack.
From Pipeline—Uses the equivalent of whatever
the input object uses (patch level becomes face
level, and so on). For example, if you create a box,
con vert it to an editable patch in patch mode, and
apply a Turn To Mesh modifier to it, 3ds Max
passes a sub-object select ion in patch mode up