Specifying 3D reference points in 2D graphic displays

Details Specifying 3D reference points in 2D graphic displays Specifying 3D reference points in 2D graphic displays

1990-03-12

1992-07-07

Clark, David L.

Boots, shoes, and leggings

395119, 395127, 364146, 36447422, G06F 314

Patent

active

051290545

ABSTRACT:
Correlation of two-dimensional displayed points of an axonometric projection with corresponding three-dimensional points of the projected shapes. A point on a display screen surface is selected and the screen coordinates of the points of the three-dimensional shape are found by converting successive points of the shape to two-dimensional screen equivalents. Comparing the converted coordinates to those of the selected point identifies the shape point corresponding to the selected shape.

REFERENCES:
patent: 4516266 (1985-05-01), Christopher et al.
patent: 4742473 (1988-05-01), Shubar et al.
patent: 4827413 (1989-05-01), Baldwin et al.
patent: 4855939 (1989-08-01), Fitzgerald, Jr. et al.
patent: 4858157 (1989-08-01), Murai et al.

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