Control method for moving a specific portion of a graph

Details Control method for moving a specific portion of a graph Control method for moving a specific portion of a graph

1993-08-30

1996-04-02

Kuntz, Curtis

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345121, G09G 534

Patent

active

055044980

ABSTRACT:
A control method for moving a specific portion of a graph performed so that the moving portion of a graph is designated by a first cursor, and a second cursor is set at the point to get the moving portion of the graph to be moved, a main processor computes the position difference values of these cursor, obtains data such as the starting and terminating points of lines and arcs, moves the specific portion of the graph at the predetermined position and displays the moved graph on CRT screen.

REFERENCES:
patent: 4628444 (1986-12-01), Nozawa et al.
patent: 4723204 (1988-02-01), Kishi et al.
patent: 4751504 (1988-06-01), Slavin
patent: 4790028 (1988-12-01), Ramage
patent: 4891763 (1990-01-01), Kuriyama
patent: 4899096 (1990-02-01), Kawamura et al.
patent: 4926311 (1990-05-01), Matsumura et al.

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