7. Line Drawings From 3D Models
Half-Day, Sunday, 31 July, 1:45 - 5:30 pm
Techniques for automated rendering of 3D models using sparse line drawing styles, for applications ranging from illustration through cartoons
and games. The course introduces concepts of visual perception; defines silhouettes, contours, creases, and suggestive contours; describes efficient algorithms for finding these lines; and presents methods for artistic stylization.
Basic familiarity with the computer graphics
pipeline and some knowledge of calculus and linear algebra.
Practitioners and researchers who would like a deeper understanding
of how NPR line drawings are created and why they are effective.
|| I. Nonphotorealistic Rendering
- Why NPR?
|| II. Defining Lines on Surfaces
- Silhouettes and Contours
- Basics of Differential Geometry for Surfaces in 3D
- Suggestive Contours
|| III. Line Drawings and Perception
- Line Drawings by Artists
- Information in Line Drawings
- Psychophysical studies
|| IV. Algorithms for Finding Lines
- Image-Space Algorithms
- Object-Space Algorithms and Acceleration Techniques
- Hybrid Algorithms
|| V. Stylization of Line Drawings
- Temporal Coherence
- User Interaction
|| VI. Abstraction and Evaluation
- Abstraction, Attention and Detail
- Evaluation of NPR Displays