Autodesk ALIAS 2010 Manuale utente

Autodesk Alias 2010

Learning Alias

March 2009Part No. 712B1-050000-PM05A

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,

Cleaner Central, ClearScale, Colour Warper, Combustion, Communication Specification, Constructware, Content Explorer, Create>what's>Next>

(design/logo), Dancing Baby (image), DesignCenter, Design Doctor, Designer's Toolkit, DesignKids, DesignProf, DesignServer, DesignStudio,

Design|Studio (design/logo), Design Web Format, Discreet, DWF, DWG, DWG (logo), DWG Extreme, DWG TrueConvert, DWG TrueView, DXF,

Ecotect, Exposure, Extending the Design Team, Face Robot, FBX, Filmbox, Fire, Flame, Flint, FMDesktop, Freewheel, Frost, GDX Driver, Gmax,

Green Building Studio, Heads-up Design, Heidi, HumanIK, IDEA Server, i-drop, ImageModeler, iMOUT, Incinerator, Inferno, Inventor, Inventor

LT, Kaydara, Kaydara (design/logo), Kynapse, Kynogon, LandXplorer, LocationLogic, Lustre, Matchmover, Maya, Mechanical Desktop, Moonbox,

MotionBuilder, Movimento, Mudbox, NavisWorks, ObjectARX, ObjectDBX, Open Reality, Opticore, Opticore Opus, PolarSnap, PortfolioWall,

Powered with Autodesk Technology, Productstream, ProjectPoint, ProMaterials, RasterDWG, Reactor, RealDWG, Real-time Roto, REALVIZ,

Recognize, Render Queue, Retimer,Reveal, Revit, Showcase, ShowMotion, SketchBook, Smoke, Softimage, Softimage|XSI (design/logo),

SteeringWheels, Stitcher, Stone, StudioTools, Topobase, Toxik, TrustedDWG, ViewCube, Visual, Visual Construction, Visual Drainage, Visual

Landscape, Visual Survey, Visual Toolbox, Visual LISP, Voice Reality, Volo, Vtour, Wire, Wiretap, WiretapCentral, XSI, and XSI (design/logo).

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

(design/logo),Moldflow Plastics Advisers, MPI, MPI (design/logo), Moldflow Plastics Insight,MPX, MPX (design/logo), Moldflow Plastics Xpert.

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.

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.

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

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