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[KK+87]  An Enhanced Treatment of Hidden Lines

Kamada:1987:AET (Article)
Author(s)Kamada T. and Kawai S.
Title« An Enhanced Treatment of Hidden Lines »
JournalACM Transactions on Graphics
Volume6
Number4
Page(s)308--323
Year1987

Abstract
A new display scheme is presented in which three-dimensional objects are represented with a much higher degree of user control of the line-drawing format than those in conventional schemes. In this scheme, the attribute of a line is determined not at the time of definition but after the viewing transformation has been applied, taking the shielding environment of the line into consideration. The essential difference between our scheme and conventional hidden-line removal/indication lies in the treatment of the shielding environment. In conventional hidden-line removal/indication, only the visible/invisible information is available for the selection of the attribute of a line. In our scheme, the entire set of surfaces that hide a line can be used to determine the attribute of the line. A much higher degree of freedom in generating pictures is achieved owing to the treatment of the shielding environment. We also describe a system called GRIP, which implements the new scheme.

BibTeX code
@article{Kamada:1987:AET,
  number = {4},
  volume = {6},
  author = {Tomihisa Kamada and Satoru Kawai},
  optstatus = {OK},
  localfile = {papers/Kamada.1987.AET.pdf},
  title = {{A}n {E}nhanced {T}reatment of {H}idden {L}ines},
  abstract = {A new display scheme is presented in which three-dimensional
              objects are represented with a much higher degree of user control
              of the line-drawing format than those in conventional schemes. In
              this scheme, the attribute of a line is determined not at the time
              of definition but after the viewing transformation has been
              applied, taking the shielding environment of the line into
              consideration. The essential difference between our scheme and
              conventional hidden-line removal/indication lies in the treatment
              of the shielding environment. In conventional hidden-line
              removal/indication, only the visible/invisible information is
              available for the selection of the attribute of a line. In our
              scheme, the entire set of surfaces that hide a line can be used to
              determine the attribute of the line. A much higher degree of
              freedom in generating pictures is achieved owing to the treatment
              of the shielding environment. We also describe a system called
              GRIP, which implements the new scheme.},
  year = 1987,
  doi = {http://doi.acm.org/10.1145/35039.35042},
  pages = {308--323},
  journal = j-TOG,
}

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