Geometry pipeline into pixel information needed by

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: n ● One colour for one face Lecture 1 Gouraud shading, no specular highlights ● Lighting calculation per vertex 19/09/11 Lecture 1 Specular high lights added Lecture 1 Rasterization (Lecture 5) ● Converts the vertex information output by the geometry pipeline into pixel information needed by the video display ● Aliasing: distortion artifacts produced when representing a high-resolution signal at a lower resolution. ● Anti-aliasing : technique to remove aliasing ● Illumination and shading (for Phong shading) Lecture 1 Anti-aliasing Aliased polygons (jagged Anti-aliased polygons Lecture 1 ● How is anti-aliasing done? Each pixel is subdivided (sub-sampled) in n regions, and each sub-pixel has a color; ● Compute the average color value Lecture 1 Texture mapping (Lecture 8) Lecture 1 Other effects: Bump mapping (Lecture 9) Reflections (Lecture 10), shadows (Lecture 11) Lecture 1 Other covered topics: Ray Tracing (Lecture 12) Global Illumination (Lecture 13) Lecture 1 Polynomial Curves, Surfaces (Lecture 14,15) OpenGL (Lecture 4 / Lab session) ○ OpenGL is a standard computer graphics library for interactive computer graphics ○ A TA will give an introductory session for OpenGL Lecture 1 Course support resources ● Graphics course website ● http://www.inf.ed.ac. uk/teaching/courses/cg ○ lecture material, ○ recommended reading, ○ Links to support material for lectures and projects, ○ Practical description and resources Lecture 1 Summary ● The course is about algorithms, not applications ○ Lots of mathematics ● Graphics execution is a pipelined approach ● Basic definitions presented ● Some support resources indicated Lecture 1...
View Full Document

This document was uploaded on 03/26/2014.

Ask a homework question - tutors are online