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Cap Surface 1195
Cap Su rface
SelectNURBSobject. >Modifypanel>CreateSurfaces
rollout > Dependent Surfaces group box > Cap
Select NURBS object. > Modify panel > NURBS toolbox >
Create Cap Surface button
Thiscommandcreatesasurfacethatcapsaclosed
curve or the edge of a closed surface. Caps are
especially useful with extruded surfaces.
Capping an extrude surface
Procedure
To create a cap sur face:
1.
In a NURBS object, turn on Cap.
2. Movethemouseovertheclosedcurveorthe
closed edge of a closed sur face.
Ifthecapcanbecreated,thecurveoredgeis
highlighted in blue.
3. Click the highlighted curve or edge.
The Flip Normals control lets you flip the
surface normals at creation time. (After
creation, you can flip normals using controls on
the Surface Common rollout.)
Interfa ce
While a cap surface sub-object is selected, a rollout
with cap surface controls is display ed at the bottom
of the Modify panel.
Cap Surface rollout (creation time)
Flip Normals—Turn on to reverse the direction of
the cap surface’s normals.
Start Point—Adjusts the position of the edge or
curve’s start point.
Thestartpointisdisplayedasabluecircle.
Cap Surface rollout (modification time)
Replace Curve—Lets you replace the parent c urve
or edge. Click the button, then click the new curve
or edge on which to base the cap .
Start Point—Adjusts the position of the edge or
curve’s start point.
Thestartpointisdisplayedasabluecircle.