Viz7

Scientific Visualization
Advanced Algorithms
Anders Hast
tisdag 24 september 13

Informationsteknologi
Institutionen för informationsteknologi | www.it.uu.se
Outline
Dividing Cubes
Carpet Plots
Clipping (Marching Triangles)
Vector Algorithms
Tensors
Data Extraction
Triangle Strips
Shading
Edge Decimation
Delaunay
Multidimensional Visualizaion (Parallel Axis)
tisdag 24 september 13

Informationsteknologi
Institutionen för informationsteknologi | www.it.uu.se
Dividing Cubes
Generates points (not triangles or lines)
A large number of points looks like a surface
i.e. density of points must be euqal to or greater
than screen resolution
Motivation
Rendering Points is much faster than rendering
Polygons
Specialized hardware exists...
tisdag 24 september 13

Informationsteknologi
Institutionen för informationsteknologi | www.it.uu.se
Result
http://www.csee.umbc.edu/~ebert/693/THu/dividingcubes.html
tisdag 24 september 13

Informationsteknologi
Institutionen för informationsteknologi | www.it.uu.se
Algorithm (procedural)
Normals are
computed
from
gradients
No topology
No Scan
Conversion
tisdag 24 september 13