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2-Rail Sweep Surface 1213
therails. Thecrosssectionsinthemiddleare
translated to touch the rails at the closest point to
the ends of the cross-section cur ves. Default=off.
When Snap Cross-Sections is on, the sweep
followstherailcurvesexactly.Thismakesiteasier
to construct 2-rail sweep surfaces.
Display While Creating—When on, the sweep
surface is displayed while you create it. When
off,thesweepcanbecreatedmorequickly.
Default=off.
Flip Normals—Reverses the direction of the sweep’s
normals.
2-Rail Sweep Surface rollout (Modification time )
Rail Curves—Shows t he names of the two curves
you chose to be the rails.
Replace Rail 1 and R eplace R ail 2—Let you replace
the rail curves. Click one of these buttons, then in
aviewportclickthecurvetouseasthenewrail.
Section Cur ves—Thislistshowsthenamesofthe
cross-section curves, in the order you click them.
You can select a curve by clicking its name in the
list. Viewports display the selected curve in blue.
Arr ow B uttons—Usethesetochangetheorderof
section curves in the list. S elect a curve in the list,