Boots – shoes – and leggings
Patent
1986-04-23
1989-02-14
Harkcom, Gary V.
Boots, shoes, and leggings
340728, 340747, G06F 766
Patent
active
048051160
ABSTRACT:
Method and apparatus for providing interpolated display characteristic values, such as intensity or Z value, for pels within a polygon to be displayed by a computer graphics display system. A scanning sequence generates pel addresses such that each pel address so generated is contiguous with a previously generated pel address. The parametric value rate of change in both the X and the Y direction is determined, and expressed as an integer value and a remainder quantity. The remainder quantity is used to determine a sequence, driven by pel address changes, by which the integer parametric value increment from pel to pel is incremented or decremented by one in a regular sequence that assures that the error in the computed parametric value for each pel never exceeds 0.5 parametric value units.
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patent: 4697178 (1987-09-01), Heckel
"Incremental Linear Interpolation", Dan Field, ACM Transactions on Graphics, vol. 4, No. 1, Jan. 1985, pp. 001-011.
Gonzalez-Lopez Jorge
Liang Bob C.
Clark George E.
Harkcom Gary V.
International Business Machines - Corporation
Moore J. Dennis
Walker Mark S.
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