Rendering – Basic Concepts

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Presentation transcript:

Rendering – Basic Concepts CSE 3541/5541 Matt Boggus

Rendering terms and concepts

Computer graphics types Vector Graphics Raster Graphics Figures modified from Rick Parent’s 681 slides: http://web.cse.ohio-state.edu/~parent.1/classes/681/WI11/schedule.html

2D vs. 3D y Window x Viewport SCREEN Figures from Rick Parent’s 681 slides: http://web.cse.ohio-state.edu/~parent.1/classes/681/WI11/schedule.html Viewport SCREEN

Rendering type – Ray Tracing Image plane Figures from Rick Parent’s 681 slides: http://web.cse.ohio-state.edu/~parent.1/classes/681/WI11/schedule.html Eye Shoot ray through each pixel Determine first object intersected by ray

Rendering type – Scan Conversion Image plane Figures from Rick Parent’s 681 slides: http://web.cse.ohio-state.edu/~parent.1/classes/681/WI11/schedule.html Transform 3D object into 2D object “Scan” objects, convert to pixels

Graphics pipelines (hardware support) Figure modified from https://www.techpowerup.com/243993/nvidia-adapting-rtx-ray-tracing-to-vulkan-api