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Method and apparatus for displaying altitude of form characteristics generated from a geometric model in a computer using a graph

  • US 5,537,523 A
  • Filed: 04/16/1993
  • Issued: 07/16/1996
  • Est. Priority Date: 04/17/1992
  • Status: Expired due to Fees
First Claim
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1. A method of expressing a geometric form characteristic in a computer, said method comprising the steps of:

  • inputting geometric data of a geometric model;

    displaying said geometric model on a display screen;

    indicating of said displayed form by using a pointing device;

    converting coordinates indicated on said display screen into coordinates of a point on said geometric model;

    calculating geometric analysis data of said arbitrarily indicated point using said converted coordinates, said geometric analysis data including altitude, normal and curvature of said arbitrarily indicated point on said geometric model;

    converting the calculated geometric analysis data into data for display as graph; and

    displaying said calculated altitude of form characteristic on said display screen as a graph expressing quantities.

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