'Half edge' presentation slideshows

Lecture 7: Voronoi Diagrams

Lecture 7: Voronoi Diagrams. Presented by Allen Miu 6.838 Computational Geometry September 27, 2001. p i : site points. q : free point. e : Voronoi edge. v : Voronoi vertex. v. q. e. p i. Post Office: What is the area of service?. Definition of Voronoi Diagram.

922 views • 79 slides

Voronoi Diagrams

Voronoi Diagrams. e : Voronoi edge. v : Voronoi vertex. v. e. p i. Post Office: What is the area of service?. p i : site points. Definition of Voronoi Diagram. Let P be a set of n distinct points (sites) in the plane.

1.01k views • 67 slides

Geometric Modeling using Polygonal Meshes Lecture 2: Mesh data structures

Geometric Modeling using Polygonal Meshes Lecture 2: Mesh data structures. Hamid Laga hamid@img.cs.titech.ac.jp http://www.img.cs.titech.ac.jp/~hamid/. Office: South 6- 401B-C Global Edge Institute Tokyo Institute of Technology. Overview. Introduction and applications

901 views • 52 slides

Mesh Representation, part II

Mesh Representation, part II. based on: Data Structures for Graphics , chapter 12 in Fundamentals of Computer Graphics, 3 rd ed. (Shirley & Marschner ) Slides by Marc van Kreveld. 3D objects. facets. edges. vertices. 3D objects.

624 views • 50 slides

Advanced Computer Graphics (Spring 2013)

Advanced Computer Graphics (Spring 2013). Mesh representation, overview of mesh simplification. Many slides courtesy Szymon Rusinkiewicz. Motivation. A polygon mesh is a collection of triangles We want to do operations on these triangles

548 views • 46 slides

Boundary Representations and Topology

Boundary Representations and Topology. Dr. Scott Schaefer. Boundary Representations. Stores the boundary of a solid Geometry: vertex locations Topology: connectivity information Vertices Edges Faces. Boundary Representations. Constant time adjacency information For each vertex,

417 views • 39 slides

Mesh Data Structure

Mesh Data Structure. Meshes. Corners ? V x F Half-edges ? E x F. Mesh: straight-line graph embedded in R 3. Boundary edge: adjacent to 1 face Regular edge: adjacent to 2 faces Singular edge: adjacent to >2 faces. Closed mesh: mesh with no boundary edges

719 views • 30 slides

Terrain

Terrain. Introduction. Game Type Oriented Terrain For visual ( ?????) Ground / Building / Static models / Dynamic models For terrain following Polygon mesh Grids For path finding Polygon mesh Grids Terrain Following Make a 3D entity walking on terrain Path Finding

156 views • 11 slides

Warm-up Friday April 25

165 views • 6 slides