View
226
Download
0
Category
Tags:
Preview:
Citation preview
Real-Time Artistically Inspired Cloud Simulation and Rendering
Noah Brickman
David Olsen
Gillian Smith
Problem
• Hard to render
• Important scene element
• Artistic control
Solution
• Specify cloud shapes
• Artistically inspired
• Physically based
• Realtime rendering
Related WorkSimple Non-Interactive Solutions
• Imposters, Skybox
• Pros:– Fast rendering
– Simple solution
• Cons:– Not interactive
– Limited control
Related WorkArtistic Control
• Pros:– Artistic
manipulation
• Cons:– Not physically
based animation
– Non-interactive
Related WorkCellular Automata
• Pros:– Physically based
simulation
– Simplistic simulation system
– Interactive
• Cons:– Limited control
Method Overview
• Specify 3D model
• Voxelize
• Cellular automata
• Rendering
Voxelization
Voxelization
Cellular Automata
• Rules– Growth
– Extinction
• Bounded voxel grid
Rendering
• Point cloud
• Billboards
• Variable size
• Variable shading
• Evolving cloud structure
Results
Conclusions
• Direct artist control
• Cloudify 3D models
• Physically based simulation within bounding volumes
Recommended