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1072 Chapter 9: Surface Modeling
WithAlignToFaceNormal,theextrusiondoesnotfollowthe
original orientation of the spline (1); it’s reoriented to match
the face normals (2), or averaged normals for contiguous
selections. The Rotation option is available only when Align
To Face Normal is on.
Rotation—Sets the rotation of t he extr usion.
Available only when Align To Face Normal is on.
Default=0. Range=-360 to 360.
Segments—Specifies the number of polygons
int o which each extruded side is subdivided.
This setting also applies to manually extr uded
polygons.
Taper Amount—Sets the extent to which the
extrusion becomes smaller or larger along its
length. Negative settings taper the extrusion
smaller; positive settings taper it larger.
Taper Curve—Setstherateatwhichthetapering
proceeds. Lower settings result in a more gr adual
taper;largesettingsresultinamoreabrupttaper.
TaperCurveaffectsthethicknessoftheextrusion
between its endpoints, but not the size of the ends.
Twi st—Applies a twist along the length of the
extrusion.
When using this option, increasing the number
of segments will improve the smoothness of the
extrusion.
Apply—Applies the settings to the current
selection, retaining them if you then make another
selection.
OK —Applies the se ttings to the current selection
and closes the dialog.
Cance l—Closes the dialog w ithout applying the
settings to the current select ion. Does not reverse
previous uses of A pply.
Ex trude Polygons Dialog
Selec t an Edit Poly or editable poly objec t. > Modify
panel > Polygon sub-object level > Edit Polygons rollout
> Extrude S ettings button
Select an Edit Poly or ed itable poly object. > Polygon
sub-object level > Quad menu > tools 2 quadrant >
Extrude S ettings button
Use these settings for extr uding polygons in
Interactive Manipulation mode.
Interfa ce
Extrusion Type group
Group—Extrusion takes place along the average
normal of each contiguous group of polygons. If
yo u extrude multiples of such groups, each group
moves along its own averaged normal.
Local Norma l —Extrusion takes place along each
selected polygon’s normal.
By Polygon—Ext r udes or bevels each polygon
individually.
Ex trusion Height—Specifies the amount of the
extrusioninsceneunits.Youcanextrudeselected