Copyright

Copyright © 1999 by New Riders Publishing

All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and author(s) assume no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein.

Library of Congress Catalog Card Number: 99-067442

Printed in the United States of America

First Printing: February 2000

03 02 01 00 7 6 5 4 3 2

Interpretation of the printing code: The rightmost double-digit number is the year of the book’s printing; the right most single-digit number is the number of the book’s printing.

Trademarks

All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. New Riders Publishing cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark.

AutoCAD is a registered trademark of Autodesk.

Warning and Disclaimer

Every effort has been made to make this book as complete and as accurate as possible, but no warranty of fitness is implied. The information provided is on an “as is” basis. The authors and the publisher shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the CD or programs accompanying it.

Credits

Publisher

David Dwyer

Executive Editor

Steve Weiss

Acquisitions Editor

Laura Frey

Development Editor

Michael Beall

Managing Editor

Sarah Kearns

Project Editor

Jennifer Chisholm

Copy Editors

Daryl Kessler

Audra McFarland

Proofreaders

Debra Neel

John Rahm

Indexer

Angie Bess

Technical Editor

David Harrington

Software Development Specialist

Craig Atkins