CS 551 / 645: Introductory Computer Graphics

4/26/00


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Table of Contents

CS 551 / 645: Introductory Computer Graphics

Recap: Ray Casting

Recap: Recursive Ray Tracing

Recap: Ray Tracing

Reacp: Basic Algorithm

Recap: Shadow Rays

Recap: Accelerating Ray Tracing

Level of Detail

Level of Detail

Traditional Approach

Traditional Approach

Traditional Approach

Traditional Approach

Creating LODs

Creating LODs

Creating LODs: Mechanism

Creating LODs: Mechanism

Creating LODs: Mechanism

Creating LODs: Mechanism

Creating LODs

Algorithm 1: Vertex Clustering

Vertex Clustering

Vertex Clustering

Vertex Clustering

Vertex Clustering

Algorithm 2: Decimation

Decimation Issues

Algorithm 3: Edge Collapses

Edge Collapse Benefits

Edge Collapse vs. Vertex-Pair Merging

Edge-Collapse Issues: Preventing Mesh Inversion

Dynamic LOD

Dynamic Level of Detail

Advantages of Dynamic LOD

View-Dependent LOD: Examples

View-Dependent LOD: Examples

Dynamic LOD: How Does It Work?

The Vertex Tree

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

Vertex Tree Example

The Vertex Tree: Tris and Subtris

The Vertex Tree: Tris and Subtris

Gaze-Directed Rendering

Gaze-Directed Rendering: ERICA

Gaze-Directed Rendering: Perceptual Science

 Author: David Luebke

Email: luebke@cs.virginia.edu

Home Page: http://www.cs.virginia.edu/~luebke

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