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SIGGRAPH
1997
ACM
13 years 11 months ago
Interactive Boolean operations for conceptual design of 3-D solids
Interactive modeling of 3-D solids is an important and difficult problem in computer graphics. The Constructive Solid Geometry (CSG) modeling scheme is highly attractive for inte...
Ari Rappoport, Steven N. Spitz
SIGGRAPH
1996
ACM
13 years 11 months ago
Hierarchical View-Dependent Structures for Interactive Scene Manipulation
The result of a scene manipulation is usually displayed by rerendering the entire image even if the change has affected only a small portion of it. This paper presents a system th...
Normand Brière, Pierre Poulin
ESA
1993
Springer
109views Algorithms» more  ESA 1993»
13 years 11 months ago
Optimal Upward Planarity Testing of Single-Source Digraphs
A digraph is upward planar if it has a planar drawing such that all the edges are monotone with respect to the vertical direction. Testing upward planarity and constructing upward ...
Paola Bertolazzi, Giuseppe Di Battista, Carlo Mann...
SIGGRAPH
1993
ACM
13 years 11 months ago
Global visibility algorithms for illumination computations
The most expensive geometric operation in image synthesis is visibility determination. Classically this is solved with hidden surface removal algorithms that render only the parts...
Seth J. Teller, Pat Hanrahan
CHI
1994
ACM
13 years 11 months ago
Toolglass and magic lenses: the see-through interface
ToolglassTM widgets are new user interface tools that can appear, as though on a transparent sheet of glass, between an application and a traditional cursor. They can be positione...
Eric A. Bier, Maureen C. Stone, Kenneth A. Pier, K...