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» Rational two-parameter families of spheres and rational offs...
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CORR
2008
Springer
138views Education» more  CORR 2008»
13 years 5 months ago
The implicit equation of a canal surface
A canal surface is an envelope of a one parameter family of spheres. In this paper we present an efficient algorithm for computing the implicit equation of a canal surface generat...
Marc Dohm, Severinas Zube
SMA
2009
ACM
130views Solid Modeling» more  SMA 2009»
13 years 11 months ago
A symbolic-numerical envelope algorithm using quadratic MOS patches
In this paper, we describe an algorithm for generating an exact rational envelope of a two-parameter family of spheres given by a quadratic patch in R3,1 , which is considered as ...
Bohumír Bastl, Jirí Kosinka, Mirosla...