Method and system for rotating a three-dimensional model about t

Details Method and system for rotating a three-dimensional model about t Method and system for rotating a three-dimensional model about t

1993-01-29

1996-09-17

Nguyen, Phu K.

G06F 1500

Patent

active

055577148

ABSTRACT:
The method and computer system rotate a three-dimensional model about the x-axis and y-axis on a computer display device in response to user input generated by a pointer positioning device. No rotation about the z-axis is permitted, and rotation about the x-axis is limited to .+-.90 degrees. The computer system includes the display device, a user controllable pointer positioning device, and a corresponding pointer, which is displayed on the display device. The computer system rotates the model in a fluid manner, providing kinesthetic correspondence between the movement of the pointer positioning device and the model. Additionally, the computer system provides reversibility of rotation so that a user can easily return the model to a previous rotational view.

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