8

174 Chapter 5: Creating Geometry
Smooth—
Thefacesofthecylinderareblended
together, creating a smooth appearance in
rendered views.
Slice On—Enables the Slice function. Default=off.
WhenyoucreateasliceandthenturnoffSliceOn,
thecompletecylinderreappears.Youcanusethis
check box to switch between the two topologies.
Slice From, S lice To—Sets the number of degrees
around the local Z axis from a zero point at the
local X axis.
For both settings, positive values move the end of
the slice counterclockwise; negative values move it
clockwise. Either s etting can be made firs t. When
the ends meet, the whole cylinder reappears.
Genera te M a pping Coords—Generates coordinates
for applying mapped materials to the cylinder.
Default=on.
Real-World Ma p Size—Controls the scaling
method used for texture mapped materials that
are applied to the object. The scaling values are
cont rolled by the Use Real-World Scale settings
found in the applied material’s
Coordinates rollout
(page 2–1434)
. Default=off.
Tube Primitive
Create panel > Geometry but ton > Standard Primitives
>ObjectTyperollout>Tubebutton
Create menu > Standard Primitives > Tube
Tube produces both round and prismatic tubes.
The tube is similar to the c ylinder with a hole in it.
Examples of tubes
Procedures
To create a tube:
1.
OntheCreatemenuchooseStandard
Primitives > Tube.
2. In any viewport, drag to define the first radius,
which can be either the inner or outer radius of
thetube.Releasetosetthefirstradius.
3. Move to define the second radius, then click
to set it.
4. Move up or down to define a height, either
positive or negative.
5. Click to set the height and create the tube.
To create a prismatic tube:
1.
Set the number of sides for the kind of prism
you want.
2. Tu r n Smo ot h off .
3. Create a tube.
Interf ace
Creation Meth od rollout
Edge—Draws a tube from edge to edge. You can
change the center location by moving the mouse.
Center—Draws a tube from the center out.