Geometry pipeline into pixel information needed by

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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 ● 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...
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This document was uploaded on 03/26/2014.

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