Method for processing and displaying hidden-line graphic images

Details Method for processing and displaying hidden-line graphic images Method for processing and displaying hidden-line graphic images

1991-05-16

1994-11-29

Zimmerman, Mark K.

395119, 395123, G06F 1572

Patent

active

053697340

ABSTRACT:
In a graphic display processing method, a surface to be displayed is regarded as an aggregation of rectangular meshes, a painting function of a graphic terminal is performed on mesh strips from the one farthest from a viewpoint to the one closest to the viewpoint, and the meshes are displayed and hidden-line processed to eliminate hidden-lines from the image. The twist state of each mesh and the twist between two adjacent meshes are determined. A plurality of twist-free meshes are painted as a group.

REFERENCES:
patent: 5163126 (1992-11-01), Einkauf et al.
Fuller, "Using Antocad.RTM." Third Edition, Release 10 with 3-D, Delmar Publishers Inc., 1989, pp. 17-10 through 17-13 and 19-14 through 19-18.
"A Two-Space Solution to the Hidden Line Problem for Plotting Functions of Two Variables", IEEE Trans. Comput. vol. 22, p. 28 (1973). (Wright, T. J.).
"Hidden Line Subroutines for Three-Dimensional Plotting", Byte, vol. 3, p. 49 (1978). (Gottlieb, M.).

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