8

Paint Deformation Rollout 1067
Note:
Push/Pull supports soft selection in that
effective strength falls off with the selection value
of soft-selected sub-objects.
Relax—Normalizes the distances between vertices
by moving each vertex to a p osition calculated
from the average of its neighbors. Relax uses the
same method as the
Relax modifier (page 1–769) .
Use Relax to push apart vertices that are too close
together,ortopulltogetherverticesthataretoo
far apart.
Revert—Lets you gradually “erase” or reverse the
effects of Push/Pull or Relax by painting. Affects
only ver tices deformed since the most recent
Commit operation. If no vertices qualify for
reversion, the Revert button is unavailable.
Tip: You can switch to Revert mode temporarily by
pressing and holding the CTRL key while painting
deformationinPush/PullorRelaxmode.
Push/Pull Direction group
This sett ing lets you specify whether pushing or
pullingverticesoccurswithrespecttosurface
normals, original or deformed, or along a specific
axis. Default=Original Normals.
Painting deformations with Original Normals
typically moves vertices perpendicular to the
original surface; using Deformed Normals
tendstomoveverticesoutwardaftertheirinitial
deformation, resulting in a “puffy” effect.
Original Normals—When chosen, pushing or
pulling a vertex moves it in the direction of its
normal before deformation. Repeated applications
of Paint Deformation always move each vertex in
the same d irection it moved originally.
Deformed Normals —When chosen, pushing or
pulling a vertex moves it in the current direction of
the normal; that is, after deformation.
Transform axis X/Y/Z—When chosen, pushing or
pulling a vertex moves it along the specified axis,
using the current
reference coordinate system
(page 1–423)
.
Push/P ull V alue—Determines the direction and
maximum extent of a single application of the
push/pull operation. Positive values “pull” vertices
out of the object surface, and negative values
“push” vertices into the surface. Default =10.0.
A single application is defined as painting (that
is, dragging once or more over the same area)
without lifting the mouse button.
Tip: Yo u c a n u s e A LT t o s w i t c h b e t w e e n p u s h i n g
and pulling with the same value while painting .
For example, if you’re pulling with a value of 8.5,
press and hold ALT to start pushing with a value
of -8.5.
Brush Size—Sets the radius of the circular brush.
Only vertices inside the brush circle are deformed.
Default=20.0.
Tip: To change the brush radius interactively,
releasethemousebutton,pressandhold
SHIFT+CTRL+left mouse button, and then drag
the mouse. The Size value on t he rollout doesn’t
update when you use this method. This works
as well with all other painter-interface features
in 3ds Max such as Skin > Paint Weig hts and
Ve r t e x P a i n t .
Brush Strength—Sets the rate at which the bru sh
applies the Push/Pull value. A low Strength value
applies the effect more slowly than a high value.
Range=0.0 to 1.0. Default=1.0.
Tip: To change the brush strength interactively,
releasethemousebutton,pressandhold
SHIFT+ALT+left mouse button, and then drag the
mouse. The Strength value on the rollout doesn’t
update when you use this method. This works
as well with all other painter-interface features
in 3ds Max such as Skin > Paint Weig hts and
Ve r t e x P a i n t .