http://www.cs.trinity.edu/About/The_Courses/cs357/gl.html

http://www.opengl.org/wiki/Fragment

OpenGL Tutorials

• Nate Robin‘s OpenGL Tutor programs (interactive OpenGL feature demos)
• SIGGRAPH 97: Hypertext Advanced Rendering course notes
• OpenGL Survival Kit Tutorial
• OpenGL tutor programs demonstrate OpenGL rendering options
• HP‘s Volume Rendering Technique Comparison: Raycasting vs. 3D Texture Mapping
• Brian Paul‘s OpenGL Portability Notes
• Brian Paul‘s Using OpenGL Extensions
• Using Sam Leffler‘s libtiff with OpenGL and GLUT
• Camera Positioning for Beginners in OpenGL
• druid‘s GL Journal

OpenGL Sample Code

• Sample Programs From the OpenGL Programming Guide (the Red Book)
• OpenGL Simple Samples
• More sophisticated OpenGL Samples
• GLUT Sample Programs w/ Source Code
• Sample Code from the X Journal Magazine: OpenGL With Xlib and Motif Widgets
• Useful Tools for developing OpenGL code see descriptions here