8

982 Chapter 9: Surface Modeling
Quad Patch
Pr ocedur es
To creat e a patch grid:
1.
On the Create panel > Geometry > Patch Grids
> Object Type rollout, click either Quad Patch
or Tri Patch.
2. Drag over any viewp or t to define a length and
width for the patch.
To edit a Quad Patch:
1.
Select a Quad Patch.
2. On the Modif y panel, right-click Quad Patch in
stack view and choose Editable Patch.
The Quad P atch collapses to an Editable Patch.
3. On the Editable Patch Selection rollout, click
Ve r t e x .
4. In any viewport, select a vertex on the patch
object, and move the vertex to change the
surface topology.
Vertices and vectors can be animated with an
Editable Patch modifier.
Atthesub-objectEdgelevel,youcanaddpatches
along any edge. You can create complex patch
models beginning from a single patch.
An ear is created by adding patches and editing patch
vertices
Interf ace
Name and Color rollout
The
Name and Color rollout (page 3–800) lets you
rename objects and change their wireframe color.
Keyboard Entry rollout
X/Y /Z—Sets the patch center.