Three-dimensional solid object manipulating apparatus and method

Details Three-dimensional solid object manipulating apparatus and method Three-dimensional solid object manipulating apparatus and method

1985-11-19

1988-08-23

Harkcom, Gary V.

Boots, shoes, and leggings

340729, 382 45, 364521, G06F 1520

Patent

active

047665564

ABSTRACT:
A three-dimensional solid object manipulating apparatus and means stores elemental data defining at least one elemental three-dimensional solid object and first memory means. Next, a three-dimensional solid shape corresponding to the elemental data is set in a defined space. A hypothetical plane is then set on the defined space and is divided into minute segments with perpendicular lines being set on the minute segments. Data representing intersections of the three-dimensional solid shape and the perpendicular lines is then calculated. The data representing these intersections is then stored in a second memory. Finally, data representing specifications of the three-dimensional solid object are calculated from the data representing the intersections. In a preferred embodiment, calculations are also performed to determine the volume, center of gravity, and moment of inertia of the three-dimensional solid object.

REFERENCES:
patent: 3816726 (1974-06-01), Sutherland et al.
patent: 3889107 (1975-06-01), Sutherland
patent: 4475104 (1984-10-01), Shen
patent: 4609917 (1986-09-01), Shen

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