Computer Graphics Sohaib A Khan CS101 Wk04 Topical Lecture

Computer GraphicsComputer Graphics

Sohaib A KhanSohaib A Khan

CS101 Wk04 Topical LectureCS101 Wk04 Topical Lecture

Object RenderingObject Rendering

Modeling:Modeling:– How to represent How to represent

objectsobjects RenderingRendering

– How to create How to create imagesimages

AnimationAnimation– How to represent How to represent

motionmotion

ModelingModeling

RenderingRendering

Compute camera Compute camera viewview

ClippingClipping Hidden line Hidden line

removalremoval

Image Credit: Cornell University Program of Computer Graphics

RenderingRendering

ShadingShading LightingLighting Shadows?Shadows?

Image Credit: Cornell University Program of Computer Graphics

Rendering - ShadingRendering - Shading

Image Credit: Cornell University Program of Computer Graphics

AnimationAnimation

Copyright: ACM SIGGRAPH 2000Physically Based Modeling

Final FantasyFinal Fantasy

http://cgw.pennnet.com/Articles/Article_Display.cfm?Section=Archives&Subsection=Display&ARTICLE_ID=108473&KEYWORD=Final%20Fantasy

Tom Hanks"I am very troubled by it. But it's coming down, man. It's going to happen. And I'm not sure what actors can do about it" (8 July 01)

http://www.popmatters.com/film/reviews/f/final-fantasy.html

Off-line (Non-RealTime) Off-line (Non-RealTime) RenderingRendering

Image Credit: 2001 Internet Ray Tracing Competition – N. Kern

Real-Time GraphicsReal-Time Graphics

http://www.nrich.maths.org.uk/mathsf/journalf/may00/art3/

Non-Photorealistic Rendering - Non-Photorealistic Rendering - ShrekShrek

CaricaturesCaricatures

http://www.aboutfacesentertainers.com/caricature/celebrity_pages/celebrity_einstein.htm

Image Based RenderingImage Based Rendering

Instead of building models bottom-Instead of building models bottom-up, use images to render new scenesup, use images to render new scenes

If an image of a scene is captured If an image of a scene is captured from one angle, how would the scene from one angle, how would the scene look like from a slightly different look like from a slightly different angle?angle?