9

Multicurve Trimmed Surface 1215
3.
Project the curves onto the surface by creating
a normal or vector projected curve for each
cur ve in the loop.
Tip: YoucanalsouseCVorpointcurveon
surface for these curves.
4. Tu rn on Multicur ve Tr immed Sur face
in the toolbox or Multi-Trim on the Create
Surfaces rollout.
5. Click the surface to trim, then click each of the
curves in the loop. Right-click to end creation.
The Trim list shows the names of the cur ves
you s elect. Flip Trim inverts the direc tion of
trimming. Flip Normals lets you flip the surface
normals at creation time. (After you have
created the surface, you can flip norma ls using
controls on the Surface Common rollout.)
Inter face
While a multicurve trimmed sub-object is selected,
a rollout with the multicurve tr im p ar ameters
appears. This rollout appears only when one
multicurve trimmed sub -object is selected. It
isn’tpossibletoeditmorethanonemulticurve
trimmedobjectatatime,sounlikesomeother
NURBS sub-objects, the rollout doesn’t appear
when multiple multicurve trimmed sub-objects
are selected.
Tip: When you edit a multicurve trimmed
sub-object, close the Surface Common rollout
toseetheMulticurveTrimSurfacerolloutmore
easily.
Multicurve Trimmed Surface rollout (creation
time)
Tri m Cu rves—This list shows the names of the
curves used to trim the sur face. You can select a
curve by clickin g its name. Viewports display the
selected curve in blue.
Insert—(Disabled.)
Remove—Removes a curve from the list. Select the
curve in the list, and then click Remove.
Replace—(D isabled.)
Flip Trim—Reverses the direction of the trim.
Flip Normals—Turn on to reverse the direction of
the trimmed surface’s norma ls.