8

Sur fDeform Modifier (World Space) 537
ThesoftwarenowusestheNURBSsurfaces
normals to project the texture onto the
modified objects.
Tip: To f i ne - t u n e t h e m a p p l a c e m e nt on t h e
mesh, you can use the NURBS surface’s
Edit
Texture Surface dialog (page 1–1232)
.
Inter face
Source Texture Sur face group
These controls let you choose the NURBS surface
to project.
Pick NURBS SurfacePicks the NURBS surface
to use for projection. Click to turn on this
button,thenclicktheNURBSsurfaceinanactive
viewport.
Surf ace—Shows "<none>" before you pick a
NURBSsurface;showsthenameofthesurface
after you pick one.
Map Chann els group
These controls let you choose which
map channels
(page 3–1060)
to use.
Input Channel—Selects the NURBS surface map
channel to use before projection.
Outpu t Chan nel Selects the modified object’s
map channel to use after projection.
Update Options group
These controls let you choose how to update the
mapping displayed in viewports. They have no
effect if
Show Map In Viewport (page 2–1289)
is
turned off.
Always—Updates viewports w henever the
mapping changes.
Manually—Updates viewports only when you click
Update.
Update—Updatesviewports.Thisisunavailable
unless you’ve chosen Manually.
SurfDeform Modifier ( World
Space)
Select an object. > Modify panel > Modifier List >
World-Space Modifiers > * Surf De form
Select an object. > Modifiers menu > Animation Modifiers
>*SurfDeform
The SurfDeform (WSM) modifier works the same
as the
PathDeform (WSM) mo difier (page 1–533)
,
except that it uses a NU RBS Point or CV surface
instead of a curve.
Obj ect -S pa ce M odif ier s
Object-space modifiers directly affect an object’s
geometry in local
object space (page 3–1076)
.