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    CCCG
    2007
    103views Computational Geometry» more  CCCG 2007»
    On the Number of Empty Pseudo-Triangles in Point Sets
    14 years 28 days ago
    On the Number of Empty Pseudo-Triangles in Point Sets
    Download  www.win.tue.nl
    We analyze the minimum and maximum number of empty pseudo-triangles defined by any planar point set. We consider the cases where the three convex vertices are fixed and where th...
    Marc J. van Kreveld, Bettina Speckmann
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    CCCG
    2007
    75views Computational Geometry» more  CCCG 2007»
    A Note on Drawing Direction-constrained Paths in 3D
    14 years 28 days ago
    A Note on Drawing Direction-constrained Paths in 3D
    Download  cccg.ca
    We study the problem of drawing a graph-theoretic path where each edge is assigned an axis-parallel direction in 3D. Di Battista et al.[3] gives a combinatorial characterization f...
    Ethan Kim, Sue Whitesides, Giuseppe Liotta
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    CCCG
    2007
    94views Computational Geometry» more  CCCG 2007»
    Optimistic and Pessimistic Shortest Paths on Uncertain Terrains
    14 years 28 days ago
    Optimistic and Pessimistic Shortest Paths on Uncertain Terrains
    Download  www.cs.ubc.ca
    Yury Kholondyrev, William Evans
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    CCCG
    2007
    80views Computational Geometry» more  CCCG 2007»
    Fast Computation of Smallest Enclosing Circle with Center on a Query Line Segment
    14 years 28 days ago
    Fast Computation of Smallest Enclosing Circle with Center on a Query Line Segment
    Download  cccg.ca
    Here we propose an efficient algorithm for computing the smallest enclosing circle whose center is constrained to lie on a query line segment. Our algorithm preprocesses a given s...
    Arindam Karmakar, Sasanka Roy, Sandip Das
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    CCCG
    2007
    96views Computational Geometry» more  CCCG 2007»
    Hamilton Circuits in Hexagonal Grid Graphs
    14 years 28 days ago
    Hamilton Circuits in Hexagonal Grid Graphs
    Download  research.cs.queensu.ca
    We look at a variant of the Hamilton circuit problem, where the input is restricted to hexagonal grid graphs. A hexagonal grid graph has a vertex set that is a subset of the grid ...
    Kamrul Islam, Henk Meijer, Yurai Núñ...
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    CCCG
    2007
    108views Computational Geometry» more  CCCG 2007»
    Approximation Algorithms for the Minimum-Length Corridor and Related Problems
    14 years 28 days ago
    Approximation Algorithms for the Minimum-Length Corridor and Related Problems
    Download  cccg.ca
    Given a rectangular boundary partitioned into rectangles, the MLC-R problem is to find a Minimum EdgeLength Corridor that visits at least one point from the boundary of every rec...
    Arturo Gonzalez-Gutierrez, Teofilo F. Gonzalez
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    CCCG
    2007
    118views Computational Geometry» more  CCCG 2007»
    Medial Axis Approximation of Planar Shapes from Union of Balls: A Simpler and more Robust Algorithm
    14 years 28 days ago
    Medial Axis Approximation of Planar Shapes from Union of Balls: A Simpler and more Robust Algorithm
    Download  data.agg.ethz.ch
    Given a dense sampling S of the smooth boundary of a planar shape O. We show that the medial axis of the union of Voronoi balls centered at Voronoi vertices inside O has a particu...
    Joachim Giesen, Balint Miklos, Mark Pauly
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    CCCG
    2007
    90views Computational Geometry» more  CCCG 2007»
    Straight-line Drawings of Outerplanar Graphs in O(dn log n) Area
    14 years 28 days ago
    Straight-line Drawings of Outerplanar Graphs in O(dn log n) Area
    Download  cccg.ca
    We show an algorithm for constructing O(dn log n) area outerplanar straight-line drawings of n-vertex outerplanar graphs with degree d. Also, we settle in the negative a conjectur...
    Fabrizio Frati
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    CCCG
    2007
    131views Computational Geometry» more  CCCG 2007»
    Computing Acute and Non-obtuse Triangulations
    14 years 28 days ago
    Computing Acute and Non-obtuse Triangulations
    Download  cccg.ca
    We propose a method for computing acute (non-obtuse) triangulations. That is, for a given two dimensional domain (a set of points or a planar straight line graph), we compute a tr...
    Hale Erten, Alper Üngör
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    CCCG
    2007
    91views Computational Geometry» more  CCCG 2007»
    Open Problems from CCCG 2006
    14 years 28 days ago
    Open Problems from CCCG 2006
    Download  erikdemaine.org
    Erik D. Demaine, Joseph O'Rourke
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