Autodesk ALIAS 2010 User manual

Autodesk Alias 2010
Learning Alias
March 2009Part No. 712B1-050000-PM05A

©2009 Autodesk, Inc. All Rights Reserved. Except as otherwise permitted by Autodesk, Inc., this publication, or parts thereof, may not be
reproduced in any form, by any method, for any purpose.
Certain materials included in this publication are reprinted with the permission of the copyright holder.
Trademarks
The following are registered trademarks or trademarks of Autodesk, Inc., in the USA and other countries: 3DEC (design/logo), 3December,
3December.com, 3ds Max, ADI, Alias, Alias (swirl design/logo), AliasStudio, Alias|Wavefront (design/logo), ATC, AUGI, AutoCAD, AutoCAD
Learning Assistance, AutoCAD LT, AutoCAD Simulator, AutoCAD SQL Extension, AutoCAD SQL Interface, Autodesk, Autodesk Envision, Autodesk
Insight, Autodesk Intent, Autodesk Inventor, Autodesk Map, Autodesk MapGuide, Autodesk Streamline, AutoLISP, AutoSnap, AutoSketch,
AutoTrack, Backdraft, Built with ObjectARX (logo), Burn, Buzzsaw, CAiCE, Can You Imagine, Character Studio, Cinestream, Civil 3D, Cleaner,
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The following are registered trademarks or trademarks of Autodesk Canada Co. in the USA and/or Canada and other countries:
Backburner,Multi-Master Editing, River, and Sparks.
The following are registered trademarks or trademarks of MoldflowCorp. in the USA and/or other countries: Moldflow, MPA, MPA
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All other brand names, product names or trademarks belong to their respective holders.
Disclaimer
THIS PUBLICATION AND THE INFORMATION CONTAINED HEREIN IS MADE AVAILABLE BY AUTODESK, INC. "AS IS." AUTODESK, INC. DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE REGARDING THESE MATERIALS.
Published by:
Autodesk, Inc.
111 Mclnnis Parkway
San Rafael, CA 94903, USA

Contents
Learning Alias . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chapter 1 How to use this book . . . . . . . . . . . . . . . . . . . . . . . . 3
About the Learning Alias Tutorials . . . . . . . . . . . . . . . . . . . . . 3
For More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Graphic Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Chapter 2 Getting help on Alias . . . . . . . . . . . . . . . . . . . . . . . . 7
Finding help on Alias features . . . . . . . . . . . . . . . . . . . . . . . 7
Finding Alias training resources . . . . . . . . . . . . . . . . . . . . . . 9
Finding support for Alias . . . . . . . . . . . . . . . . . . . . . . . . . 10
Working with Alias . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 3 Interface Basics . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Learning objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installing the tutorial courseware files . . . . . . . . . . . . . . . . . . 13
Starting Alias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Overview of the Alias Interface . . . . . . . . . . . . . . . . . . . . . . 17
Using Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Arranging Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
iii

Using Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Using a Snap Mode . . . . . . . . . . . . . . . . . . . . . . . . . 28
Picking and Unpicking Objects . . . . . . . . . . . . . . . . . . . 33
Shortcuts to Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Creating Custom Shelves . . . . . . . . . . . . . . . . . . . . . . 41
Using and Customizing Marking Menus . . . . . . . . . . . . . . 48
Using hotkeys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Changing Your View of the Model . . . . . . . . . . . . . . . . . . . . 56
Tracking, Dollying, and Tumbling the Camera’s View . . . . . . . 56
Changing the Point of Interest . . . . . . . . . . . . . . . . . . . 63
Using the Viewing Panel . . . . . . . . . . . . . . . . . . . . . . 67
Understanding the Object Lister . . . . . . . . . . . . . . . . . . . . . 76
Types of Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
The Object Lister window . . . . . . . . . . . . . . . . . . . . . . 78
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Chapter 4 Introduction to 3D . . . . . . . . . . . . . . . . . . . . . . . . 81
Beginning a Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Part 1: Creating 3D objects . . . . . . . . . . . . . . . . . . . . . . . . 87
Saving your work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Part 2: Building the lampstand . . . . . . . . . . . . . . . . . . . . . 102
Part 3: Organizing the model . . . . . . . . . . . . . . . . . . . . . . 114
Part 4: Building the lampshade . . . . . . . . . . . . . . . . . . . . . 122
Part 5: Assembling the desk lamp . . . . . . . . . . . . . . . . . . . . 137
Part 6: Posing the Lamp Model . . . . . . . . . . . . . . . . . . . . . 143
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
On your own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Chapter 5 Modeling a Joystick . . . . . . . . . . . . . . . . . . . . . . . 155
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Part 1: Creating the Joystick Handle . . . . . . . . . . . . . . . . . . . 157
Part 2: Creating the Joystick Base . . . . . . . . . . . . . . . . . . . . 173
Part 3: Creating the Flexible Sleeve . . . . . . . . . . . . . . . . . . . 199
Part 4: Creating the connecting cable . . . . . . . . . . . . . . . . . . 211
Part 5: Assigning objects to layers . . . . . . . . . . . . . . . . . . . . 223
Part 6: Directly modifying surfaces . . . . . . . . . . . . . . . . . . . 232
Part 7: Creating the button . . . . . . . . . . . . . . . . . . . . . . . 257
Part 8: Visualizing the Model . . . . . . . . . . . . . . . . . . . . . . 264
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
On Your Own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
iv | Contents

Chapter 6 Modeling a Vacuum Cleaner . . . . . . . . . . . . . . . . . . . 279
Modeling Workflow . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Part 1: Creating Primary Surfaces . . . . . . . . . . . . . . . . . . . . 281
Part 2: Intersecting and Trimming . . . . . . . . . . . . . . . . . . . . 294
Part 3: Surface Fillet . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Part 4: Creating the Handle . . . . . . . . . . . . . . . . . . . . . . . 323
Part 5: Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Part 6: Power Button . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Part 7: Dust Bag and Cable Connector . . . . . . . . . . . . . . . . . 365
Part 8: Completing the Model . . . . . . . . . . . . . . . . . . . . . . 385
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
On Your Own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Chapter 7 Modeling an MP3 Player . . . . . . . . . . . . . . . . . . . . . 399
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Part 1: Creating the Casing Curves . . . . . . . . . . . . . . . . . . . 403
Part 2: Creating the Side Surfaces . . . . . . . . . . . . . . . . . . . . 414
Part 3: Completing the Casing . . . . . . . . . . . . . . . . . . . . . . 425
Part 4: Creating the Screen Recess . . . . . . . . . . . . . . . . . . . . 442
Part 5: Center Navigation Key . . . . . . . . . . . . . . . . . . . . . . 462
Part 6: Control Button . . . . . . . . . . . . . . . . . . . . . . . . . . 470
Part 7: Completing the Model . . . . . . . . . . . . . . . . . . . . . . 493
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505
On Your Own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 510
Chapter 8 Modeling a Sports Shower Gel Bottle . . . . . . . . . . . . . . 513
New Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 514
Part 1: Creating Primary Surfaces . . . . . . . . . . . . . . . . . . . . 516
Part 2: Creating the Finger Grip . . . . . . . . . . . . . . . . . . . . . 533
Part 3: Label Surface . . . . . . . . . . . . . . . . . . . . . . . . . . . 544
Part 4: Adding Blend Details . . . . . . . . . . . . . . . . . . . . . . . 555
Part 5: Embossed Logo Details . . . . . . . . . . . . . . . . . . . . . . 569
Part 6: Completing the Model . . . . . . . . . . . . . . . . . . . . . . 589
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 599
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
On Your Own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 602
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605
Chapter 9 An introduction to Rendering . . . . . . . . . . . . . . . . . . 607
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
Contents | v

Visualizing a PDA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 628
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 629
On Your Own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 630
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 630
Chapter 10 Shaders and Lights . . . . . . . . . . . . . . . . . . . . . . . . 631
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 632
Part 1: Creating Shaders . . . . . . . . . . . . . . . . . . . . . . . . . 633
Part 2: Adding a Label . . . . . . . . . . . . . . . . . . . . . . . . . . 647
Part 3: Lighting the Scene . . . . . . . . . . . . . . . . . . . . . . . . 657
Part 4: Creating an Image . . . . . . . . . . . . . . . . . . . . . . . . 669
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 676
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 677
On Your Own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 678
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 682
Chapter 11 More rendering . . . . . . . . . . . . . . . . . . . . . . . . . 683
Part 1: Editing the Render Globals parameters . . . . . . . . . . . . . 684
Part 2: Creating a background environment . . . . . . . . . . . . . . 692
Part 3: Creating a 3D solid texture . . . . . . . . . . . . . . . . . . . . 702
Part 4: Creating a 2D bump texture . . . . . . . . . . . . . . . . . . . 710
Part 5: Raytracing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 727
Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 728
On your own . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 729
Quiz Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 729
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 731
vi | Contents

Learning Alias
Welcome to Alias and the world of three-dimensional modeling, rendering, and animating.
Alias offers a complete solution for the creation of digital content in fields such as industrial
design, automotive design, and consumer product design.
1

2

How to use this book
This chapter shows how to use the tutorials, and presents the graphic and text conventions
used in this manual.
About the Learning Alias Tutorials
The tutorials in this book present examples of typical concept design workflows.
The tutorials introduce the powerful tools and interactive features of Alias, and
demonstrate how to use them to accomplish your concept design tasks.
The first six tutorials introduce modeling tools to build your experience level.
We recommend that you start with the first tutorial and proceed sequentially
through the modeling tutorials, because they build on each other.
The next two tutorials introduce rendering tools and skills.
These tutorials are densely packed with information and techniques that may
be new to you. You may want to re-read the lessons after completion, or even
repeat the more difficult lessons.
You can view movies (in Flash format) demonstrating each tutorial in the online
documentation. In order to view these movies, you may need to install a Flash
player. You can download Flash plug-ins for your browser for free from
www.adobe.com.
Disclaimer: There may be slight discrepancies in procedures between the movies
and the written documentation. If you encounter a discrepancy, use the written
documentation version because it will be the most current.
1
3

For More Information
These tutorials are an introduction to Alias. They are not intended as an
exhaustive guide to the capabilities and options of Alias, and will not teach
you everything there is to learn about the products and workflows.
For additional information and more comprehensive explanations of tools
and options, refer to the online documentation included with the product,
and read Getting help on Alias on page 7.
Graphic Conventions
To call attention to part of a screen shot, we highlight the important area and
darken the rest of the image. For example, in the following picture, we have
marked the location of the close box on the Action Window.
To indicate a click, we use this symbol. For example, in the following picture
we have indicated that the Open command should be clicked. In the text of
the instruction, we will refer to this as File > Open. The first word or term is
the name of the menu or palette; it is followed by an arrow and the name of
the menu item or tool. In the case of a submenu, two arrows are used: Layouts
> All Windows > All Windows refers to the All Windows menu item
available from the All Windows sub-menu, which is found on the Layouts
menu.
To indicate that an option box for a tool or menu item should be opened, a
box appears after the tool name, like Surfaces > Skin ❒.
4| Chapter 1 How to use this book

When we ask you to choose a tool, we show the tool’s icon next to the
instruction, for example, select Pick > Object .
Terms
Click: Move the mouse pointer over an object and press and release a mouse
button once.
Double-click: Move the mouse pointer over an object and press and release a
mouse button twice fast.
Drag: Move the mouse pointer over an object and hold down a mouse button,
then move the mouse with the button held down. Then release the mouse
button.
Click-Drag: Move the mouse pointer over an object, press the mouse button,
and move the mouse pointer to a final position before releasing the mouse
button.
The Scene: The 3D “world”inside the view windows.
The Model: The curves, surfaces, and points that make up the object you are
creating.
Terms | 5

6

Getting help on Alias
Autodesk provides you with a number of resources to aid you in becoming a proficient Alias
user.
Finding help on Alias features
Try thisIf:
You want information about installing Alias ■Follow the on-screen instructions on
the installation DVD. For more detailed
instructions, see the InstallingAlias.pdf
file on the top level of the DVD.
You are new to Alias ■Read Getting Started, the booklet in-
cluded in the kit.
■Browse through the information on
the main documentation page (in-
dex.html).
■Work through these tutorials in Learn-
ing Alias. These are basic lessons that
will teach you about working in 3D in
Alias. They are also the prerequisite for
more advanced Alias courses.
■Use the How To…section of the online
documentation to learn how to per-
form specific operations within Alias,
like drawing curves, making four-sided
2
7

surfaces, and using masks while paint-
ing.
■Visit http://www.autodesk.com/estore
to find out about learning tools.
You are upgrading from a previous version
of Alias
■See the What’s New in Alias document,
available by selecting Help > What’s
New, or available as a PDF file on the
Alias Design Community Web site ht-
tp://aliasdesign.autodesk.com.
■Look at the What’s New tab in the
default shelf provided with the applic-
ation.
You are looking for detailed information
about a tool or feature
■Look in the “Tool Palettes”and
“Menus”sections of the online help.
■Choose Help > What’s This and
then click the tool or menu item.
■Use the right mouse button on the
background of any option window to
see help for that tool or operation.
You want to learn new techniques for using
Alias
■See “Learning Alias”.
■See “Learning Technical Surfacing.”
■Go to the Communities section of ht-
tp://www.autodesk.com, and check out
the tips and tricks.
■Visit http://www.autodesk.com/estore
to find learning tools aimed at interme-
diate and advanced users.
You want a PDF version of one of the
manuals
■All of the manuals are available in PDF
format on the Alias Design Community
Web site http://ali-
asdesign.autodesk.com..
8| Chapter 2 Getting help on Alias

You want to know what the keyboard
shortcuts are in Alias
■Choose Help > Modifier Keys from
within Alias, or click Help > Modifier
Keys, Marking Menu Keys, and Hotkeys
on the main online help page.
You want a Quick Reference card ■Print the Quick Reference card PDF file
provided on the Alias Design Com-
munity Web site http://ali-
asdesign.autodesk.com.
Finding Alias training resources
Try this…If...
You want to obtain in-depth training ■See the learning materials and training
courses available from Autodesk, see
http://www.autodesk.com/training.
You want to get tips and techniques from
the experts at Alias MasterClasses
■For events near you, see ht-
tp://www.autodesk.com/training.
You want to create plug-ins for Alias ■Use the Alias Application Programmers’
Interface Manual to learn the object-
oriented programming required to
build plug-ins.
You want information about becoming an
Alias-certified instructor
■See the information at ht-
tp://www.autodesk.com/training or
contact us at learning-
[email protected].
Finding Alias training resources | 9

Finding support for Alias
Try thisIf…
You are a Platinum member and want to
access the Knowledgebase or Ask Autodesk
■Go to the Alias support site at ht-
tp://www.autodesk.com/support
You want to interact with other Alias users ■Go to the online User-to-User Discus-
sion forum on the Alias support site at
http://www.autodesk.com/support
You want answers to common
troubleshooting questions
■See the FAQs (frequently asked ques-
tions) in the technical support section
of the Alias support website at ht-
tp://www.autodesk.com/support.
You want to license your software ■If you are a Platinum member and
need a license, check the executable
license file on the top of your installa-
tion DVD. If your license isn’t there, go
to http://www.autodesk.com/spar and
follow the instructions in the Installin-
gAlias.pdf file at the top of the Alias
DVD.
■If you are a new customer, go to ht-
tp://www.autodesk.com/opa to obtain
a new license.
You want customer or technical support ■Go to the webpage ht-
tp://www.autodesk.com/support.
10 | Chapter 2 Getting help on Alias

Working with Alias
If you create concept designs
■Read about our concept design workflow
■Work through the modeling and rendering tutorials in Learning Alias
If you build 3D models based on sketches
■Work through the modeling tutorials in Learning Alias
If you build 3D models for manufacture
■Read About Curves and About Modeling
■Work through the modeling tutorials in Learning Alias
■Check the community site for tips and tricks
If you modify 3D models for manufacture
■Read Alias Fundamentals
■Work through the Learning Technical Surfacing tutorials
If you create rendered images
■Read About Rendering
■Work through the rendering tutorials in Learning Alias
■Check the community site for tips and tricks and downloadable shaders
and backgrounds
If you create animations
■Do the work in the “If you create rendered images”section
■Read About Animating
■Work through the animation tutorials in Learning Alias
Working with Alias | 11

■Check the community site for tips and tricks
12 | Chapter 2 Getting help on Alias

Interface Basics
Learning objectives
You will learn how to:
■Log into the system and start Alias.
■Arrange windows.
■Use tools and tool options.
■Customize shelves and marking menus.
■Tumble, track, and dolly the view.
■Use the Object Lister window to understand the model.
Introduction
Before you begin working in Alias, you should spend some time learning how
Alias represents the scene and the model (both externally and internally), and
how you use menus and tools to create and edit model data.
Installing the tutorial courseware files
Each tutorial in this book is based on an Alias wire file, which contains the
material you need to learn the tools, skills, and concepts in the tutorial. These
files are required to complete the Learning Alias and Technical Surfacing
tutorials.
3
13

When you install Alias, the courseware files (Alias wire files and other support
files) are not automatically installed. You must install them manually.
To install the courseware for use with Alias
The courseware files (Alias wire files and other support files) are not
automatically installed when you install the documentation from the Alias
Installation DVD.
1Download the courseware files from the Alias Design Community Web
site http://aliasdesign.autodesk.com.
NOTE You need write permissions to the directory in which you plan to install
the courseware files.
2Copy the downloaded CourseWare folder into your user_data folder.
On Windows systems, this is typically:
C:\Documents and Settings\[userid]\My Documents\Autodesk\Ali
as\user_data\CourseWare
On Mac OS X, this is typically:
/Documents/Autodesk/Alias/user_data/CourseWare
Starting Alias
Logging In
If you have not logged in to your account on your workstation, do so now.
To log in to your account
■Type your user name and password at the prompts.
If you have an account on this workstation, the operating system user
environment appears.
Depending on which product you are using, the Alias icon may have a different
name, such as Design or Automotive.
14 | Chapter 3 Interface Basics