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Ringing: Frugal Subdivision of Curves and Surfaces
March/April 2010 (vol. 30 no. 2)
pp. 22-33
ASCII Text
x 
 
Jarek Rossignac, Abhishek Venkatesh, "Ringing: Frugal Subdivision of Curves and Surfaces," IEEE Computer Graphics and Applications, vol. 30, no. 2, pp. 22-33, March/April, 2010.
 
 
BibTex
x
 
@article{ 10.1109/MCG.2009.108,
author = {Jarek Rossignac and Abhishek Venkatesh},
title = {Ringing: Frugal Subdivision of Curves and Surfaces},
journal ={IEEE Computer Graphics and Applications},
volume = {30},
number = {2},
issn = {0272-1716},
year = {2010},
pages = {22-33},
doi = {http://doi.ieeecomputersociety.org/10.1109/MCG.2009.108},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - MGZN
JO - IEEE Computer Graphics and Applications
TI - Ringing: Frugal Subdivision of Curves and Surfaces
IS - 2
SN - 0272-1716
SP22
EP33
EPD - 22-33
A1 - Jarek Rossignac,
A1 - Abhishek Venkatesh,
PY - 2010
KW - subdivision
KW - curves
KW - surfaces
KW - B-splines
KW - animation
KW - GPU
KW - geometry shader
KW - computer graphics
KW - graphics and animation
KW - streaming
VL - 30
JA - IEEE Computer Graphics and Applications
ER -
 
Jarek Rossignac, Georgia Institute of Technology
Abhishek Venkatesh, Georgia Institute of Technology
Split&Tweak subdivisions refine a polygon by inserting a vertex in the middle of each edge (the split) and then moving each vertex to an affine combination of five consecutive vertices (the tweak). Applying d Split&Tweak steps to a control polygon of n vertices requires temporary storage (a footprint) for (n - 5)2d + 5 vertices. Rendering spans independently reduces the footprint to 2d + 5 vertices but increases computation. A proposed ringing approach can reduce the footprint to 4d vertices. The authors describe an efficient implementation, show applications to surfaces and animations, and report CPU and GPU timings for the per-span, global, and ringing approaches.

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Index Terms:
subdivision, curves, surfaces, B-splines, animation, GPU, geometry shader, computer graphics, graphics and animation, streaming
Citation:
Jarek Rossignac, Abhishek Venkatesh, "Ringing: Frugal Subdivision of Curves and Surfaces," IEEE Computer Graphics and Applications, vol. 30, no. 2, pp. 22-33, March-April 2010, doi:10.1109/MCG.2009.108
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