35 search results - page 2 / 7 » Envelope surfaces |
CAD
2010
Springer
13 years 7 months ago
2010
Springer
MOS surfaces are rational surfaces in R3,1 which provide rational envelopes of the associated two-parameter family of spheres. Moreover, all the offsets admit rational parameteriz...
CAGD
2008
13 years 7 months ago
2008
In the present paper we investigate rational two-parameter families of spheres and their envelope surfaces in Euclidean R3. The four dimensional cyclographic model of the set of s...
FOCS
2002
IEEE
14 years 14 days ago
2002
IEEE
We obtain a near-tight bound of O(n3+ε ), for any ε > 0, on the complexity of the overlay of the minimization diagrams of two collections of surfaces in four dimensions. This...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
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...
TCOS
2010
13 years 5 months ago
2010
We present a general framework for computing two-dimensional Voronoi diagrams of different classes of sites under various distance functions. Most diagrams mentioned in the paper ...