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Abstract

Highly elaborated visualization techniques that are based on surfaces often are independent from the origin of the surface data. Nevertheless, most of the recently presented advanced visualizatio methods were developed for a specific type of surface although principally applicable to generic surfaces. In this paper we discuss a unified surface interrogation model which provides generic access to surface properties up to degree two, i.e., surface-point locations, normals, and curvature properties, regardless of the origin of the surface. Surface types and interrogation algorithms are compared and summarized. At the end of this paper we present an object-oriented implementation of this model, called {\sc{}Smurf

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@techreport{Hauser-1999-SSI,
  title =      "Smart surface interrogation for advanced
               visualization
techniques",
  author =     "Helwig Hauser and Thomas Theu{\ss}l and Andreas K{\"o}nig
               and Meister Eduard Gr{\"o}ller",
  year =       "1999",
  abstract =   "Highly elaborated visualization techniques that are based on
               surfaces often are independent from the origin of the
               surface data. Nevertheless, most of the recently presented
               advanced visualizatio methods were developed for a specific
               type of surface although principally applicable to generic
               surfaces.  In this paper we discuss a unified surface
               interrogation model which provides generic access to surface
               properties up to degree two, i.e., surface-point locations,
               normals, and curvature properties, regardless of the origin
               of the surface.  Surface types and interrogation algorithms
               are compared and summarized.  At the end of this paper we
               present                 an object-oriented implementation of
               this model, called {\sc{}Smurf",
  address =    "Favoritenstrasse 9-11/186, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  month =      nov,
  number =     "TR-186-2-99-19",
  keywords =   "surface properties, surfaces, visualization",
  URL =        "http://www.cg.tuwien.ac.at/research/publications/1999/Hauser-1999-SSI/",
}