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Moving viewpoint with respect to a target in a three-dimensional workspace

DC
  • US 5,276,785 A
  • Filed: 08/02/1990
  • Issued: 01/04/1994
  • Est. Priority Date: 08/02/1990
  • Status: Expired due to Term
First Claim
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1. A method of operating a system that includes a display, a user input device, and a processor connected for receiving signals from the user input device and for presenting images on the display;

  • the user input device providing region indicating signals indicating regions within images presented and motion requesting signals requesting viewpoint motion;

    the method comprising steps of;

    presenting a first image on the display;

    the first image including a first surface that is perceptible as viewed from a first viewpoint within a three-dimensional workspace;

    the step of presenting the first image comprising a substep of storing viewpoint coordinate data indicating a position of the first viewpoint in the three-dimensional workspace;

    receiving a first region indicating signal and a first motion requesting signal from the user input device;

    the first region indicating signal indicating a first region on the first surface;

    the first motion requesting signal requesting viewpoint motion relative to the first region; and

    presenting a second image on the display;

    the second image including a second surface that is perceptible as a continuation of the first surface viewed from a second viewpoint within the three-dimensional workspace, the second viewpoint being displaced from the position indicated by the stored viewpoint coordinate data relative to the first region on the first surface in accordance with the first motion requesting signal.

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