Sybex introducing ZBrush may 2008 ISBN 0470262796 pdf

62795ffirs.qxd 3/23/08 8:30 AM Page ii 62795ffirs.qxd 3/23/08 8:30 AM Page i Introducing ZBrush ® 62795ffirs.qxd 3/23/08 8:30 AM Page ii 62795ffirs.qxd 3/25/08 7:18 PM Page iii Introducing ZBrush ® ERIC KELLER WILEY PUBLISHING, INC 62795ffirs.qxd 3/23/08 8:30 AM Page iv A c q u i s i t i o n s E d i t o r : Mariann Barsolo D e v e l o p m e n t E d i t o r : Stephanie Barton T e c h n i c a l E d i t o r : Gael McGill, PhD P r o d u c t i o n E d i t o r : Rachel Gunn C o p y E d i t o r : Judy Flynn P r o d u c t i o n M a n a g e r : Tim Tate V i c e P r e s i d e n t a n d E x e c u t i v e G r o u p P u b l i s h e r : Richard Swadley V i c e P r e s i d e n t a n d E x e c u t i v e P u b l i s h e r : Joseph B Wikert V i c e P r e s i d e n t a n d P u b l i s h e r : Neil Edde M e d i a A s s o c i a t e P r o j e c t M a n a g e r : Laura Atkinson M e d i a A s s i s t a n t P r o d u c e r : Josh Frank M e d i a Q u a l i t y A s s u r a n c e : Kit Malone B o o k D e s i g n e r : Caryl Gorska C o m p o s i t o r s : Chris Gillespie, Kate Kaminski, Happenstance Type-O-Rama P r o o f r e a d e r : Ian Golder I n d e x e r : Ted Laux C o v e r D e s i g n e r : Ryan Sneed C o v e r I m a g e s : Eric Keller Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-26279-5 No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600 Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation warranties of fitness for a particular purpose No warranty may be created or extended by sales or promotional materials The advice and strategies contained herein may not be suitable for every situation This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services If professional assistance is required, the services of a competent professional person should be sought Neither the publisher nor the author shall be liable for damages arising herefrom The fact that an organization or Website is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or Website may provide or recommendations it may make Further, readers should be aware that Internet Websites listed in this work may have changed or disappeared between when this work was written and when it is read For general information on our other products and services or to obtain technical support, please contact our Customer Care Department within the U.S at (800) 762-2974, outside the U.S at (317) 572-3993 or fax (317) 572-4002 Wiley also publishes its books in a variety of electronic formats Some content that appears in print may not be available in electronic books Library of Congress Cataloging-in-Publication Data Keller, Eric Introducing ZBrush / Eric Keller p cm ISBN 978-0-470-26279-5 (paper/dvd) Computer graphics ZBrush I Title T385.K397827 2008 006.6—dc22 2008008346 TRADEMARKS: Wiley, the Wiley logo, and the Sybex logo are trademarks or registered trademarks of John Wiley & Sons, Inc and/or its affiliates, in the United States and other countries, and may not be used without written permission ZBrush is a registered trademark of Pixologic, Inc All other trademarks are the property of their respective owners Wiley Publishing, Inc., is not associated with any product or vendor mentioned in this book 10 62795ffirs.qxd 3/25/08 7:43 PM Page v Dear Reader Thank you for choosing Introducing ZBrush This book is part of a family of premium quality Sybex books, all written by outstanding authors who combine practical experience with a gift for teaching Sybex was founded in 1976 More than thirty years later, we’re still committed to producing consistently exceptional books With each of our titles we’re working hard to set a new standard for the industry From the authors we work with, to the paper we print on, our goal is to bring you the best books available I hope you see all that reflected in these pages I’d be very interested to hear your comments and get your feedback on how we’re doing Feel free to let me know what you think about this or any other Sybex book by sending me an email at nedde@wiley.com, or if you think you’ve found a technical error in this book, please visit http://sybex.custhelp.com Customer feedback is critical to our efforts at Sybex Best regards, Neil Edde Vice President and Publisher Sybex, an Imprint of Wiley 62795ffirs.qxd 3/23/08 8:30 AM For my dog Blue —Eric Keller Page vi 62795ffirs.qxd 3/25/08 7:48 PM Page vii Acknowledgments I’d like to thank the editors at Sybex and Wiley for helping make this book a possibility In particular, thanks to Mariann Barsolo for her support Thanks to Stephanie Barton for her excellent editorial work I’d also like to thank Gael McGill, my tech editor, for agreeing to much more than he anticipated And thanks to all the folks on the book team who brought it all together: Rachel Gunn and Judy Flynn ■ Special thanks goes to the folks at Pixologic for creating such a wonderful program Thanks to Ryan Kingslien for his help and Scott Spencer for his inspiring teaching and artwork Thanks to everyone at ZBrushCentral.com for their enthusiasm and all the fantastic creations they upload every day 62795ffirs.qxd 3/23/08 8:30 AM Page viii About the Author Eric Keller is a freelance animator working in Hollywood, California, at some of the finer design and effects studios He got his start in the field of digital visual effects developing animations for scientific visualization at the prestigious Howard Hughes Medical Institute, where he had the opportunity to work with some of the world’s leading researchers He has been a professional 3D artist for 10 years and has been using ZBrush since 2004 Along with molecular visualization, bacterial invasion, and cellular function, Eric has pitched in on numerous animations for film, commercials, and television Eric used ZBrush to create the surrealistic intracellular environment sequence seen at the end of the feature film Invasion He has also been a guest lecturer on animation and scientific visualization at Harvard Medical School He has written articles and tutorials for numerous industry magazines and authored Maya Visual Effects: The Innovator’s Guide (Sybex, 2007) If you have questions, you can email Eric at kellerrific@yahoo.com or check out his website, www.bloopatone.com 62795bindex.qxd 3/23/08 9:33 AM Page 438 438 ■ removing–shadow edit curve removing palettes from trays, 40 sketches, 122 Render palette, 51–52, 51, 301–303, 302–303 rendering fog and depth cue, 304–306, 305–306 hotkeys for, 69 overview, 300–303, 300–303 Resize button, 72 resolution, 11 3D, 12–13, 14 document, 12, 72 polygons, 13, 13 screen, 11 Resource Interchange File Format (RIFF), resources, 19–20 Restore Standard UI button, 23 rev-E button, 415 RFlatten slider, 91, 91 Rgb button, 28, 54, 127 RGB (red, green, and blue) color system, 6, 8, 8, 252 RGB slider, 95, 96 RGBA format, 8–9 Rhino tool, 258–263, 258–259, 261–262 RIFF (Resource Interchange File Format), right shelf, 28–30, 29 Ring 3D tool, 86–87, 86, 100, 101 Rotate button, 28–29, 73, 109, 109 Rotate mode gyro, 75, 75, 77, 77 Transpose handle, 202–203, 202–203 Rotate Transpose handle, 228 rough surfaces, 326, 326 roughing out skulls, 165–169, 166–170 Row button, 101, 101 S S Smt slider, 262–263 Sample slider, 344 Samples slider, 417 Saturation slider, 344 Save buttons, 64 saving documents, 72 macros, 46–47 Scale button, 28–29, 73, 109, 109 Scale mode for gyro, 76, 76 scales for Medusa maquette head, 280–284, 281–285 skin, 273–279, 275, 277–280 snakes, 289–291, 290–291 scaling Projection Master, 398–399 screen resolution, 11 Scroll control, 28 sculpting, 141 brushes with alphas, 151–154, 152–153 settings, 154–156, 154–157 working with, 146–151, 147–151 edge loops and creasing, 197–199, 198–200 hiding geometry, 192–193, 192–193 marble column, 373–375, 374–376 masks, 196–197, 196–197 polygroups, 194–197, 194–197 skull See skulls sternomastoid muscle, 361–363, 362–363 subdivision levels, 142–145, 142–146 Transpose handle, 200–204, 200–203 volcanic vents, 115–118, 116–118 “sculpting in the round”, 212 SDiv slider polyspheres, 143–145, 143 skulls, 166, 166 sea creatures, 133–136, 134–137, 405–407, 405–407 sea lab See undersea lab seaCreature tool, 405–407, 405–407 secondary color, 252 selection marquee, 193, 193, 196 SGI (Silicon Graphics Image), shaders, 318 defined, 92 marble column, 388–389, 389 standard materials, 321–325, 322–325 Shadow Edit curve, 317 62795bindex.qxd 3/23/08 9:33 AM Page 439 shadow length setting–specular slider Shadow Length setting, 317 Shadow palette, 313, 316–317, 317 shadowing effect, 417 shadows painting, 339–340, 340 working with, 315–317, 316–317 shaping faces, 212, 212, 216–220, 217–219 Sharpen Hires Mesh Details slider, 384 shelves, 24–25, 24 left, 25, 25–26 right, 28–30, 29 top, 26–28, 26–27 Shift key with gyro, 75 for strokes, 147, 148 Show Used button, 322 silhouettes, 319–320, 319–320 Silicon Graphics Image (SGI), SimpleBrush, 100, 100 16-bit images, size aspect ratio, 13 brushes, 28, 29, 43 canvas, 28 documents, 41, 43, 72, 72 monitors, 11 textures, 378, 378 Skeleton tool exporting from Poser, 355–356, 355–356 importing into ZBrush, 357, 357 sternomastoid muscle creating, 358–360, 358–360 exporting from ZBrush, 364, 364 importing into Poser, 365, 365–366 painting, 363–364, 363–364 sculpting, 361–363, 362–363 sketches planes for creating, 73–77, 74–77 sketching on, 78–79, 78 removing, 122 skin cavity masking, 294–297, 295–297 polypainting, 291–293, 292, 294 wrinkles, 273–279, 275, 277–280 ZSpheres, 110–112, 110–113 Skull tool, 165–166 skullReference image, 159, 160 skulls cheekbones, 172–173, 172–173 detail, 179–181, 179–181 eyes, 181–182, 181–182 fine-tuning, 185–187, 185–187 jaw, 173–179, 174–178 loading images for, 158–163, 159–163 macros, 170–171 materials, 163, 163–164 reference cubes, 164, 165 reference planes, 157, 158 refining, 171–172, 171–172 roughing out, 165–169, 166–170 symmetry settings, 164–165, 165 teeth, 182–185, 182–184 turntable movies, 188, 189 slider adjustments, 40 Smart Resym button, 209 Smooth brush, 147–148 smooth surfaces, 326 Smoothing curve, 156 Smt button, 161, 162 SnakeHook brush, 135, 248, 248 snakes, Medusa maquette adding, 242–243, 243–244 combining heads and bodies, 285–288, 286–289 creating, 232–237, 233–237 fangs and tongue, 237–240, 238–239, 241 refining, 289, 289 scales, 289–291, 290–291 stencils for, 268–272, 269–272 tiling alphas, 263–267, 264–268 Snapshot button, 83, 83 snapshots, 83–84, 83–84 specular channels, 328 specular highlights, 310–314, 311–315 specular maps, 381, 382 Specular slider, 344 ■ 439 62795bindex.qxd 3/23/08 9:33 AM Page 440 440 ■ spencer–textured metal material Spencer, Scott Digital Clay: Character Creation with ZBrush, 19 ZBrush Character Creation: Advanced Digital Sculpting, 204, 297, 421 Sphere 3D tool, 253 SphereBrush, 98, 99, 127, 127 Sphereinder 3D tool, 97–98, 97 spheres See ZSpheres Spherical slider, 332 Spin Axis setting, 188 Spin Cycles setting, 188 Spin Frames setting, 188 Spiral3D tool, 133–134, 134 spot lights, 310, 314, 314 Spray stroke, 127, 186 SRadius setting, 86 Standard brush, 147–149, 147, 150 Standard materials, 48 with light, 307 presets, 318, 318 and shaders, 321–325, 322–325 star texture, 256, 256–257 Start Up materials, 307 statistics for polygons, 144, 144 Stencil palette, 52–54, 52–53 stencils from alphas, 52, 52, 268–272, 269–272 hotkeys for, 69 sternomastoid muscle, 215 creating, 358–360, 358–360 exporting, 364, 364 importing into Poser, 365, 365–366 painting, 363–364, 363–364 sculpting, 361–363, 362–363 Store Morph Target button, 274 StoreDepthHistory button, 43 Stroke icon, 25 Stroke palette, 54, 54–55 strokes, hotkeys for, 67–69 Sub Reflection slider, 332 Subdivide slider, 417 subdivisions levels, 142–145, 142–146 volcanic vents, 116 SubTool palette, 62, 63 subtools combining, 242 DemoSoldier, 62–63, 63 duplicating, 220–221, 221 materials for, 163, 163–164 Subtract mode, 147 sun lights, 310 Super Sample setting, 306 surfaces materials for See materials mirrors, 326 swatches, 25, 346 symmetry mirroring, 64, 64, 264, 264 poseable, 231, 232 restoring, 209 skulls, 164–165, 165 tiling alphas, 264, 264 system palette, 6–8, T Tagged Image File Format (TIFF), 9, 386 TanFrame button, 415 tangent space normal maps, 369–370, 370 tangents, ZMapper, 415 TaperTop slider, 82 teeth separation, 175–176, 176 skulls, 182–185, 182–184 temporal fossa, 175 Terrain 3D tool, 121 Texture icon, 25 Texture palette skulls, 159, 160, 162 tools, 55, 56, 351, 351 UVs, 354 Textured Metal material, 94, 94 62795bindex.qxd 3/23/08 9:33 AM Page 441 textures–underwater scene textures Alpha palette, 40 bump maps, 366–367, 367 displacement maps, 368, 368 fog, 124, 304 importing, 159 lighting, 309 normal maps, 368–370, 369–370 overview, 251–253, 252 size, 378, 378 skulls, 159, 160, 162 UV maps, 350–354, 350–354 working with, 253–258, 254–257 Thick slider, 262–263 3D Cylinder tool, 80, 80 3D layers, 258–263, 258–259, 261–263 3D polymesh tool, 258 3D resolution, 12–13, 14 3D Ring tool, 65, 65 3D space, 14–15, 15 3D tools, 17 buttons for, 73 Edit mode, 106–107, 107 editing, 27 hotkeys, 68 polypainting with, 255 underwater scene, 81–83, 82–83 working with, 58–62, 59–62 TIFF (Tagged Image File Format), 9, 386 tiling alphas, 263–267, 264–268 title bar, 66 Title Image tab, 188 tongues for snakes, 237–240, 238–239, 241 Tool palette, 37–38, 39, 56–57, 56 2.5D tools, 57–58, 57–59 3D primitive tools, 58–62, 59–62 importing tools, 62–63, 63 tools dropped to canvas, 31, 34, 75 Edit mode, 34–37, 35–37 objects as, 22 top shelf, 26–28, 26–27 Topology Masks, 202 topology of polygons, 144 TPoseMesh button, 412, 412 Transform palette, 38, 64–65, 64–65 transformation gyro Draw mode, 30–34, 30–33 for sketches, 73–77, 74–77 tips, 74–75, 74 transforming, hotkeys for, 67–68 Transp button, 30 transparency RGBA format, tools, 30, 95, 96 transparency channels, 328–330, 329 Transparency slider, 328–330, 329 Transpose handle, 28, 149 activating, 36, 36 working with, 200–204, 200–203 Transpose Master plug-in, 411–413, 412–413 trays, 37–40 TriShaders material, 323–325, 323, 325 tubes for volcanic vents, 113–114, 114–115 turntable movies, 188, 189 2.5D tools Draw palette, 43 Projection Master for, 396 working with, 57–58, 57–59 2K abbreviation, 12–13 Txr>Col button, 162, 162, 256, 256 U Uncrease button, 199 undersea lab bubble dome and windows, 95–96, 95–96 details, 97–100, 97–100 legs creating, 89–91, 90–91 positioning, 91–92, 92 masks, 100–103, 101–103 materials, 92–94, 93–95 underwater scene, 72 flora and fauna, 129–131, 130–131 fog, 123–125, 123–125 layers, 79–81, 80–81 macros, 87–89, 87–88 merging layers, 137–139, 137–139 ■ 441 62795bindex.qxd 3/23/08 9:33 AM Page 442 442 ■ undo button–y button ocean floor, 119–122, 120–122 parametric primitive 3D tools, 81–83, 82–83 rings, 86–87, 86 sea creatures, 133–136, 134–137 sketch removal, 122 sketching on background plane, 78–79, 78 snapshots, 83–84, 83–84 undersea lab See undersea lab volcanic vents See volcanic vents ZCut mode, 84–86, 84–86 Undo button, 43 Uni slider, 317 unified skins, 110, 110 Unify button, 161, 161, 358 Use Poseable Symmetry button, 231 UV Check button, 351, 352, 373, 374 UV layout, 350, 350 UV Layout application, 354 Uvc button, 352 Uvp button, 352 UVs mapping, 350–354, 350–354 Maya, 389, 389 texture coordinates, 257 Uvs button, 352 UVTile button, 352 Uv>Txr button, 351, 351 flora and fauna, 129–131, 130–131 material, 118–119, 119 positioning, 107–109, 108–110 sculpting, 115–118, 116–118 skinning, 110–112, 110–113 W websites, 19–20 White material, 341, 341 White Cavity material, 274 widescreen images, 13 width brushes, 43 textures, 378, 378 Width slider, 378, 378 windows for undersea lab, 95–96, 95–96 wireframes displaying, 142, 143 ZMapper plug-in, 415 workspaces, virtual, 22 Wrap mode alpha tiles, 153, 153 layers, 45, 138 stencils, 269, 270 WrapMode slider, 153, 153 wrinkles for Medusa maquette, 273–279, 275, 277–280 V VDivide setting, 83 vector images, 10 Vertex>Txr button, 351 vertices 3D space, 14 polygons, 16 in resolution, 11 skulls, 166–169, 167–169 View Mask button, 197 virtual workspaces, 22 visibility of layers, 79 volcanic vents, 106–107, 107–108 bubbles, 131–133, 132–133 creating, 113–114, 114–115 details, 125–128, 126–129 X x-axes and coordinates 3D space, 14–15, 15 canvas, 23 pixels, 4, 18, 18 polygons, 16 XYZ button, 30, 65 Y y-axes and coordinates 3D space, 14–15, 15 canvas, 23 pixels, 4, 18, 18 polygons, 16 Y button, 30 62795bindex.qxd 3/23/08 9:33 AM Page 443 z-axes and coordinates–zygomatic bone Z z-axes and coordinates 3D space, 14–15, 15 canvas, 23 pixels, 18, 18 polygons, 16 Z button, 30, 65 Z Intensity slider, 28, 148–149, 334 ZAdd button, 28 ZAppLink plug-in, 404 installing, 404 running, 405–407, 405–407 ZBR format, ZBrush Character Creation: Advanced Digital Sculpting (Spencer), 204, 297, 421 ZCut button, 28 ZCut mode, 84–86, 84–86 ZDepth, 317 ZMapper plug-in, 26, 26 normal maps, 384, 385 working with, 414–419, 414–419 ZMode button, 317 ZMT files, 318 Zoom control, 28 Zoom palette, 66, 66 ZPlugin palette, 66, 307, 307, 412, 412 ZScript button, 66 ZScript palette, 66 ZScripts, 420 commands, 47 loading, 420–421, 420–421 recording macros, 421–422, 421 ZSlider, 50 ZSphere tool, 106, 106 ZSpheres, 81–82 hotkeys for, 69 overview, 106–107, 106–108 positioning, 107–109, 108–110 skinning, 110–112, 110–113 snakes creating, 232–237, 233–237 fangs and tongue, 237–240, 238–239, 241 volcanic vents See volcanic vents ZSub button, 28, 397 zygomatic bone, 173–175, 174–175, 215 ■ 443 62795bmeddis.qxd 3/23/08 9:36 AM Page 444 Wiley Publishing, Inc End-User License Agreement READ THIS You should carefully read these terms and conditions before opening the software packet(s) included with this book “Book” This is a license agreement “Agreement” between you and Wiley Publishing, Inc “WPI” By opening the accompanying software packet(s), you acknowledge that you have read and accept the following terms and conditions If you not agree and not want to be bound by such terms and conditions, promptly return the Book and the unopened software packet(s) to the place you obtained them for a full refund License Grant WPI grants to you (either an individual or entity) a nonexclusive license to use one copy of the enclosed software program(s) (collectively, the “Software,” solely for your own personal or business purposes on a single computer (whether a standard computer or a workstation component of a multi-user network) The Software is in use on a computer when it is loaded into temporary memory (RAM) or installed into permanent memory (hard disk, CD-ROM, or other storage device) WPI reserves all rights not expressly granted herein Ownership WPI is the owner of all right, title, and interest, including copyright, in and to the compilation of the Software recorded on the 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commercial purposes Limited Warranty (a) WPI warrants that the Software and Software Media are free from defects in materials and workmanship under normal use for a period of sixty (60) days from the date of purchase of this Book If WPI receives notification within the warranty period of defects in materials or workmanship, WPI will replace the defective Software Media (b) WPI AND THE AUTHOR(S) OF THE BOOK DISCLAIM ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE SOFTWARE, THE PROGRAMS, THE SOURCE CODE CONTAINED THEREIN, AND/OR THE TECHNIQUES DESCRIBED IN THIS BOOK WPI DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THE SOFTWARE WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION OF THE SOFTWARE WILL BE ERROR FREE (c) This limited warranty gives you specific legal rights, and you may have other rights that vary from jurisdiction to jurisdiction Remedies (a) WPI’s entire 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Agreement This Agreement shall take precedence over any other documents that may be in conflict herewith If any one or more provisions contained in this Agreement are held by any court or tribunal to be invalid, illegal, or otherwise unenforceable, each and every other provision shall remain in full force and effect 62795bins.qxd 3/23/08 10:00 AM Page GALLERY ZBrush Artists Gallery On the following pages, you will find a gallery of images created using ZBrush Students of Scott Spencer at the Gnomon School of Visual Effects as well as professional artists created these images Some of these artists have been using ZBrush for only a short time Most of the images have been rendered in ZBrush There are also color versions of a couple of the example scenes from the exercises in the book 62795bins.qxd 3/23/08 10:00 AM Page Portrait of the Iron Sheik by Ari Bilow 62795bins.qxd 3/23/08 ABOVE: BELOW: 10:00 AM Page Alien Hunter maquette by Johannes Huber Dinosaur model by Kyle Mulqueen 62795bins.qxd 3/23/08 10:00 AM ABOVE: BELOW: Page Sage by Ara Kermanikian The Guards of Achernar by John Stifter 62795bins.qxd 3/23/08 ABOVE: BELOW: 10:00 AM Page Stone Cathedral by John Stifter Male dancer study by Johannes Huber 62795bins.qxd 3/23/08 10:00 AM Page Female dancer study by Johannes Huber 62795bins.qxd 3/23/08 ABOVE: BELOW: 10:00 AM Page Portrait study by Eric Keller The underwater scene from Chapters and is rendered at Best quality 62795bins.qxd 3/23/08 10:00 AM Page The Medusa maquette from Chapters and is painted and rendered The final image was created by compositing several renders of the Medusa at Best quality and then compositing the exported images in Photoshop Minimal touch-up was added using Photoshop in the final composite The various render passes are shown at the top of the image ... ii 62795ffirs.qxd 3/23/08 8:30 AM Page i Introducing ZBrush ® 62795ffirs.qxd 3/23/08 8:30 AM Page ii 62795ffirs.qxd 3/25/08 7:18 PM Page iii Introducing ZBrush ® ERIC KELLER WILEY PUBLISHING, INC... content that appears in print may not be available in electronic books Library of Congress Cataloging-in-Publication Data Keller, Eric Introducing ZBrush / Eric Keller p cm ISBN 978-0-470-26279-5 (paper/dvd)... 978-0-470-26279-5 (paper/dvd) Computer graphics ZBrush I Title T385.K397827 2008 006.6—dc22 20080 08346 TRADEMARKS: Wiley, the Wiley logo, and the Sybex logo are trademarks or registered trademarks