'Catmull clark' diaporamas de présentation

Subdivision Surfaces

Subdivision Surfaces. Computational Geometry Presentation Adam Lake. Motivation. Scalability across machines Speed of evaluation LOD in a scene Topological restrictions of NURBS surfaces Planes, Cylinders, and Torii. Motivation. Trimming is expensive and prone to numerical error

765 views • 53 slides

Subdivision Surfaces in Character Animation

527 views • 51 slides

Introduction to Subdivision Surfaces

Introduction to Subdivision Surfaces. Subdivision Curves and Surfaces. Subdivision curves The basic concepts of subdivision. Subdivision surfaces Important known methods. Discussion: subdivision vs. parametric surfaces. . Corner Cutting. Corner Cutting. 3 : 1. 1 : 3.

739 views • 50 slides

Creating & Processing 3D Geometry Marie-Paule Cani

Creating & Processing 3D Geometry Marie-Paule Cani. Representations Discrete models: points, meshes, voxels Smooth boundary: Parametric & Subdivision surfaces Smooth volume: Implicit surfaces Geometry processing Smoothing, simplification, parameterization Creating geometry

398 views • 39 slides

Subdivision Surfaces

Subdivision Surfaces. Jeff Ballard Nick Rasmussen. Overview. Motivation for Subdivision Surfaces Subdivision Schemes Interesting Properties Discussion of Papers. Traditional Modeling Techniques. Polygons Splines Implicit Surfaces. Polygons - Pro. Fast Arbitrary Topology

355 views • 33 slides

Goals

Goals. A high-order surface construction Important for geometric and numerical computation Desirable features or smoothness At least 3-f lexibility at vertices Closed-form smooth local parameterizations Can handle arbitrary control meshes Good visual quality

361 views • 27 slides

Subdivision Surfaces

216 views • 18 slides

Texture Mapping by Model Pelting and Blending

200 views • 17 slides