Library of Efficient Datatypes and Algorithms
LEP: SphereGeometry 2.0
     This LEP is useful for storing directions as points on the unit sphere.
Download Software 
Download Documentation 
    If you want to get update information concerning this package please contact jschwerdt@swbb.de.
Contact 
Jörg Schwerdt 
Software-Büro Lothar Bubel GmbH 
Am Neunkircher Weg 3 
66459 Kirkel 
Germany 
email: jschwerdt@swbb.de 

or

Michiel Smid 
School of Computer Science 
Carleton University 
1125 Colonel By Drive 
Ottawa, Ontario 
Canada K1S 5B6 
email: michiel@scs.carleton.ca 
    The LEP implements objects on the unit sphere (such as points, great arcs, hemispheres, and polygons) using an implicit representation. The advantage of this representation is that it is possible to use exact rational arithmetic to represent these objects. The LEP implements basic algorithms such as computing the spherical convex hull, the union of two spherical polygons, and the width of a three-dimensional set of points.
Bibliography 
  • Entwurf von Optimierungsalgorithmen für geometrische Probleme im Bereich Rapid Prototyping und Manufacturing

  • J. Schwerdt
    Dissertation, 2001

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