CAD system

Details CAD system CAD system

1996-11-07

2000-04-11

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

G06F 1500

Patent

active

060493402

ABSTRACT:
The present invention is a computer aided design (CAD) system in which graphic drawings are generated by the user selecting and placing figures representing objects such as walls and doors on a screen. This is accomplished using a command selecting unit that selects a command for placing an object of a desired shape in a desired position. Once the command is selected a parameter managing unit is engaged. This parameter managing unit holds parameters used to execute the selected command and also displays values set for the parameters in a parameter field on a display screen. The user may also enter desired values for the parameters using a parameter entering unit. In response to a user request to execute a command, a command executing unit determines the position and shape of the object using the values set for the parameters, and places the object in the proper location of the drawing display area.

REFERENCES:
patent: 5197120 (1993-03-01), Saxton et al.
patent: 5299307 (1994-03-01), Young
patent: 5623583 (1997-04-01), Nishino

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