Conclusion
Congratulations! You have completed the joystick model and have gained
experience in using curves and then surface tools to build freeform shapes.
Important concepts to take forward to future modeling projects are:
■ On a curve, a minimum of 4 CVs are needed to create the curve. Adding
more CVs means that the curve can have a more complex shape.
■ Construction history means that you can modify the shape of a surface
by changing the curves it was built from.
■ Alternatively, you can turn on the CV display for the surface and modify
the surface CVs directly to change the surface shape.
■ The Control Panel can be used to display or hide the CVs of a curve or
surface.
■ It is good practice to turn off the CVs on objects that aren’t being modified,
to reduce the complexity of the view on the screen.
■ Regularly save your work!
Quiz
Now that you have completed this joystick modeling tutorial, do this quick
quiz to help you remember the tools and techniques you have learned.
1 When you created a curve, how many CVs did you need to place before
the curve was created? If you aren’t sure, try it out now in Alias!
(a) One CV
(b) Two CVs
(c) Three CVs
(d) Four CVs
(e) Five CVs
2 To build a skin surface, how many curves do you need?
(a) Only one
(b) Only two
(c) Two or more
272 | Chapter 5 Modeling a Joystick
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