Introduction to Computer Graphics

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9780201609219: Introduction to Computer Graphics

This adaptation of the definitive book in the field (Computer Graphics, Second Edition by Foley, et al.,) provides a more concise, less expensive introduction to computer graphics. While retaining the currency and accuracy of the larger work, coverage has been trimmed to the essential topics. Explanations of key concepts have been expanded and further illustrated, assuming less background on the part of the reader. This brief version uses C as the programming language for all worked examples. An Introduction to Computer Graphics does not replace the highly regarded Second Edition of Foley, et al., but simply offers professionals the option of a briefer, less expensive version.

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From the Inside Flap:

This book is an adaptation of Computer Graphics: Principles and Practice, Second Edition (CGPP), by Foley, van Dam, Feiner, and Hughes. Introduction to Computer Graphics was created by abridging and modifying that comprehensive teaching and reference work to suit the needs of different courses and different professional requirements. While this book is half the size of its parent, it is not merely a shorter version of it. Indeed, it features new material and, in some cases, a different approach to exposition, all added with the needs of its intended audience in mind.

This book is designed to be used in a one-to two-semester course in computer graphics in any four-year college or university and, assuming only a small amount of mathematical preparation, for a one-semester course in community colleges or other two-year institutions. Introduction to Computer Graphics is also an ideal book for the professional who wants to learn the rudiments of this dynamic and exciting field, whether to become a practitioner or simply to gain an appreciation of the far-ranging applications of computer graphics.

This book is not meant to supplant CGPP as being more current or in any way more comprehensive. These are chapters, however, where, because of the dizzying pace at which the field is moving, older material was dropped and the hardware performance and cost figures were updated. One such example can be found in Chapter 4, where the statement from CGPP--which, bear in mind, was just published in 1990--that "...a graphics workstation typically consists of a CPU capable of executing at least several million instructions per second (MIPS) ..." was updated to reflect the fact that 20-100 MIPS are now commonplace.

Other major differences and strengths of Introduction to Computer Graphics are:

The computer language used throughout the book, both in pseudocoded

program fragments and complete working programs, is modern ANSI C. The

use of C, rather than Pascal as in CGPP, is consistent with both current

teaching and professional practice, especially in graphics.

As a direct benefit of the use of C in the book, there is now a one-to-

one correspondence between the data types and functions of the code used

in this book with those of the SRGP and SPHIGS software packages that

are available (free of charge to adopters) to accompany the book (see

page 559).

The SPHIGS package mentioned above has been substantially enhanced with

many new features, such as multiple light sources, improved rendering,

and improved pick correlation for better interactive manipulation.

The book features several worked-out examples, some of which are quite

extensive. These examples are strategically located in chapters where

they best enhance the exposition of difficult concepts. One such example

is a complete working program for interactively defining Bezier

parametric cubic curves.

The importance of computer graphics to the emerging field of multimedia

is introduced by describing some examples, complete with figures, and

providing their supporting references.

A mathematical preliminaries section has been added to the chapter on

Geometrical Transformations. This section provides sufficient information

for the reader to understand and use all subsequent mathematically

oriented material in the book. Potential Syllabi There are several paths that a reader can take through this book. A few are suggested here, but it is entirely feasible to select one suiting the reader's circumstances. Even the order of study acan be permuted. For example, the material on hardware could come either earlier or later in a syllabus than is suggested by Chapter 4's ordinal positioning.

A minimal one-semester course emphasizing 2D graphics. Where the goal is to provide a good, but not rigorous, overview of elements of mostly 2D graphics, this course of study will be appropriate for students in a two- or four-year college or university. Chapter

Sections

1

All

2

Sect. 2.1-2.2

3

Sect. 3.1-3.3, 3.9-3.9.3

4

Sect. 4 4.1, 4.2, 4.3, and 4.5

5

Sect. 5.1 (as appropriate), 5.2, 5.3,5.4

6

Sect. 6.1, 6.2,6.3,6.4.1,6.4.2

8

All

9

Sect. 9.1, 9.2.1-9.2.3 11

Sect. 11.1-11.2 12

Selected reading to demonstrate advanced

capabilities A one-semester course providing an overview of 2D and 3D graphics. This syllabus will provide a strong foundation in graphics for readers who are mathematically well prepared. Chapter

Sections

1

All

2

All

3

Sects. 3.1-3.5, 3.8-3.11, 3.14-3.15

4

Sect. 4.1, 4.2, 4.3 and 4.5

5

Sect. 5.1 (as appropriate),5.2-5.5,5.7,5.8

6

Sect. 6.1-6.5, Sect. 6.6 (except 6.6.4),6.7

7

Sect. 7.1-7.5,7.10 and 7.11.6

8

All

9

Sect. 9.1,9.2.1-9.2.3,9.2.7,9.3.1-9.3.2 11

All 12

All 13

Sect. 13.1-13.2, possibly 13.4 14

Sect. 14.1-14.2, possibly 14.5-14.7

A two-semester course covering 2D and 3D graphics, modeling and rendering. All chapters (posibly omitting selected topics from Chapters 9 and 10) plus selected topics from CGPP.

Since many readers of Introduction to Computer Graphics will be interested in consulting its more advanced and comprehensive parent, the preface to CGPP follows this one. Please find the this title included on the gopher site. There the reader will find a discussion of CGPP's important features and suggestions for structuring courses based on that book. Electronic Instructor's Manual

An Electronic Instructor's Manual (EIM), which supplements this book, is available from Brown University. Information on how to obtain the EIM is acquired by sending e-mail to eim@cs.brown. No message body is necessary; just enter EIM (or eim) on the Subject line. The e-mail reply will contain a description of the contents of the EIM and how to obtain any part of it. It is necessary to have Internet ftp access to retrieve the EIM. No other distribution method is available. The EIM comprises four parts. They are:

Expanded versions of the syllabi suggested above. The rationale for

each syllabus is described on a step-by-step basis. Also, where

appropriate, aids to teaching the material are suggested.

Selected ANSI C source code from the book. Program fragments as well

as complete working programs are provided. In general, an instructor

must have SRGP and SPHIGS for this code to be useful.

All the artwork from the book. With the exception of stripped-in half-

tones, each figure is provided as either an Encapsulated Postscript

(EPS) or Tagged Image File Format (TIFF) file. These figures will

be useful for preparation of lecture slides. The artwork files are

organized by chapter so that an instructor can obtain just the figures

needed for a particular syllabus.

Freely available software resources. In addition to the SRGP and SPHIGS

packages which supplement the text, there are many packages available

that the instructor may wish to obtain for use in the course. Packages

such as SIPP (Simple Polygon Processor) and Rayshade, a ray tracing

program, implement many of the realistic rendering techniques described

in the text. Information on how to obtain these and other packages is

provided. Acknowledgments

First, it should be stated that while all the a uthors of CGPP participated to some degree in the preparation of this book, I assume full responsibility for any new errors introduced in the adaptation process.

David Sklar was a guest author for CGPP, and much of the material he contributed to that book remains here in Chapters 2 and 7. He was helpful to me in locating electronic versions of computer code and artwork from the original book.

Peter Gordon, my editor, always had timely, wise, and calming advice throughout the duration of this project. Jim Rigney, my production supervisor, spent lots of helpful hours teaching me the "tricks of the trade".

Many people helped with various aspects of the book. Among them are Yvonne Martinez, Chuck Hansen, Tom Rokicki, David Cortesi, Janick (J.) Bergeron, Henry McGilton, Greg Cockroft, Mike Hawley, Ed Catmull, Loren Carpenter, Harold Borkin, Alan Paeth, Jim White, and Bert Herzog.

A special thank you is owed to Ed Angel of The University of New Mexico and his courageous students for beta--make that alpha--testing of a first draft of the book in the fall of 1992.

Finally, without D.C. this would never have happened.

Santa Fe, N.M.
--R.L.P.

0201609215P04062001

From the Back Cover:

This new introductory text to computer graphics is an adaptation of Computer Graphics: Principles and Practice, Second Edition, which remains the most comprehensive and authoritative work in the field. While retaining the currency and accuracy of the larger book, this abbreviated version focuses on topics essential for all beginners in computer graphics and provides expanded explanations for readers with little or no technical background. Worked examples have been added to illustrate important concepts and techniques, and program code has been written in the C language to enhance the book's usefulness. In addition, the book contains an extensive illustration program, with more than 50 full-color images.

Topic coverage includes basic graphics programming, hardware, and applications. Important algorithms are included to facilitate implementation of both 2D and 3D graphics. A separate chapter covers SPHIGS--a simplified dialect of the PHIGS 3D standard--and coincides with the availability of an updated version of the software. Chapter 9 and presents a concise overview of interaction issues and techniques. Advanced material from the larger book has been condensed, and the mathematics needed for it has been explained carefully .

The result is an accessible introduction to computer graphics, crafted to provide a solid foundation for further work in this exciting field.

Features
  • Adaptation of the definitive computer graphics book in the field--half the length.
  • Presents key concepts geared toward students with minimal technical background.
  • Provides worked examples in C.
  • Retains the high level of teaching standards of the parent graphics text.


0201609215B07092001

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James D. Foley, Andries van Dam, Steven K. Feiner, John F. Hughes, Richard L. Phillips
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