1. Introduction to Computer Graphics
Ed Angel
Professor of Computer Science, Electrical and Computer Engineering, and Media Arts
Director, Arts Technology Center
University of New Mexico
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

2. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Overview
These lectures are for CS/EECE 433 Computer Graphics at the University of New Mexico
Senior/graduate elective
Ed Angel, Interactive Computer Graphics, A Top-down Approach with OpenGL (Fourth Edition), Addison-Wesley
These lectures cover Chapters 1-6 in detail and survey Chapters 7-12
Each ppt file corresponds to one 50 minute lecture (a few require a bit more time)
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

3. Contact Information
CS Office FEC 301F
(505)
Arts Technology Center Office
(505)
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

4. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Objectives
Broad introduction to Computer Graphics
Software
Hardware
Applications
Top-down approach
OpenGL
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

5. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Prerequisites
Good programming skills in C (or C++)
Basic Data Structures
Linked lists
Arrays
Geometry
Simple Linear Algebra
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

6. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Requirements
3 Assigned Projects
Simple
Interactive 3D
Term Project
You pick
See for assignments and projects
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

7. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Resources
Can run OpenGL on any system
Windows
Linux
Mac
Get GLUT from web if needed
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

8. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
References
Other helpful references
OpenGL: A Primer, Ed Angel, Addison-Wesley, (Second Edition), 2005
Designed for students who need more programming information
The OpenGL Programmer’s Guide (the Redbook) and the OpenGL Reference Manual (The Blue book), Addison-Wesley,
The definitive references
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

9. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Web Resources
Additional materials available to instructors through their Addison-Wesley representatives
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

10. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 1
Part 1: Introduction
Text: Chapter 1
Lectures 1-3
What is Computer Graphics?
Applications Areas
History
Image formation
Basic Architecture
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

11. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 2
Part 2: Basic OpenGL
Text: Chapters 2-3
Lectures 4-9
Architecture
GLUT
Simple programs in two and three dimensions
Interaction
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

12. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 3
Part 3: Three-Dimensional Graphics
Text: Chapters 4-6
Lectures 10-20
Geometry
Transformations
Homogeneous Coordinates
Viewing
Shading
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

13. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 4
Part 5: Implementation
Text: Chapter 7
Lectures: 21-23
Approaches (object vs image space)
Implementing the pipeline
Clipping
Line drawing
Polygon Fill
Display issues (color)
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

14. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 5
Part 4: Discrete Methods
Text: Chapter 8
Lectures 24-27
Buffers
Bitmaps and Pixel Maps
Texture Mapping
Compositing and Transparency
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

15. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 6
Part 6: Programmable Pipelines
Text: Chapter 9
Lectures 28-30
Shading Languages
GLSL
Vertex Shaders
Fragment Shaders
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

16. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 7
Part 7: Hierarchy
Text: Chapter 10
Lectures: 31-34
Tree Structured Models
Traversal Methods
Scene Graphs
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

17. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 8
Part 8: Curves and Surfaces
Text: Chapter 11
Lectures: 35-39
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

18. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Outline: Part 9
Part 9: Advanced Rendering
Text: Chapter 12
Lectures: 40-42
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005

19. Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005
Extra Lectures
Marching Squares
Virtual Trackball
Display Issues
Fractals
Sampling and Aliasing
Bump Mapping
Environment Mapping
Reflection and Transmission
Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005