1 Introduction to Computer Graphics SEN 991 - Introduction to OpenGL Graphics Applications.

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Presentation transcript:

1 Introduction to Computer Graphics SEN Introduction to OpenGL Graphics Applications

2 Overview These lectures accompany the textbook by Ed Angel, Interactive Computer Graphics, A Top-down Approach with OpenGL (Fourth Edition), Addison-Wesley This class will 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)

3 Objectives Broad introduction to Computer Graphics Software Hardware Applications Top-down approach OpenGL

4 Prerequisites Good programming skills in C (or C++) Basic Data Structures Linked lists Arrays Geometry Simple Linear Algebra

5 Requirements 4 Assigned Projects Simple Interactive (2) 3D See for assignments and course materials.

6 Resources Can run OpenGL on any system Windows Linux Mac Get GLUT from web if needed

7 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

8 Web Resources Great source of examples and information at: PowerPoint lecture notes at

9 Outline: Part 1 Part 1: Introduction Text: Chapter 1 Lectures 1-3 What is Computer Graphics? Applications Areas History Image formation Basic Architecture

10 Outline: Part 2 Part 2: Basic OpenGL Text: Chapters 2-3 Lectures 4-9 Architecture GLUT Simple programs in two and three dimensions Interaction

11 Outline: Part 3 Part 3: Three-Dimensional Graphics Text: Chapters 4-6 Lectures Geometry Transformations Homogeneous Coordinates Viewing Shading

12 Outline: Part 4 Part 5: Implementation Text: Chapter 7 Lectures: Approaches (object vs image space) Implementing the pipeline Clipping Line drawing Polygon Fill Display issues (color)

13 Outline: Part 5 Part 4: Discrete Methods Text: Chapter 8 Lectures Buffers Bitmaps and Pixel Maps Texture Mapping Compositing and Transparency

14 Outline: Part 6 Part 6: Programmable Pipelines Text: Chapter 9 Lectures Shading Languages GLSL Vertex Shaders Fragment Shaders

15 Outline: Part 7 Part 7: Hierarchy Text: Chapter 10 Lectures: Tree Structured Models Traversal Methods Scene Graphs

16 Outline: Part 8 Part 8: Curves and Surfaces Text: Chapter 11 Lectures: 35-39

17 Outline: Part 9 Part 9: Advanced Rendering Text: Chapter 12 Lectures: 40-42

18 Extra Lectures Marching Squares Virtual Trackball Display Issues Fractals Sampling and Aliasing Bump Mapping Environment Mapping Reflection and Transmission