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Text File  |  1996-07-16  |  1005 b   |  30 lines
  1. .TH SGAUSS
  2.  6 "IRIT Version 6.0" 
  3. .SH NAME
  4. SGAUSS
  5.  
  6.  
  7.  
  8.  SurfaceType SGAUSS( SurfaceType Srf )
  9.  
  10. Evaluates the Gaussian curvature field of surface Srf.
  11.  
  12. Example:
  13.  
  14.     Srf1 = hermite( cbezier( list( ctlpt( E3, 0.0, 0.0, 0.0 ),
  15.                                    ctlpt( E3, 0.5, 0.2, 0.0 ),
  16.                                    ctlpt( E3, 1.0, 0.0, 0.0 ) ) ),
  17.                     cbezier( list( ctlpt( E3, 0.0, 1.0, 0.0 ),
  18.                                    ctlpt( E3, 0.5, 0.8, 0.0 ),
  19.                                    ctlpt( E3, 1.0, 1.0, 0.5 ) ) ),
  20.                     cbezier( list( ctlpt( E3, 0.0, 2.0, 0.0 ),
  21.                                    ctlpt( E3, 0.0, 2.0, 0.0 ),
  22.                                    ctlpt( E3, 0.0, 2.0, 0.0 ) ) ),
  23.                     cbezier( list( ctlpt( E3, 0.0, 2.0, 0.0 ),
  24.                                    ctlpt( E3, 0.0, 2.0, 0.0 ),
  25.                                    ctlpt( E3, 0.0, 2.0, 0.0 ) ) ) );
  26.  
  27.     SGauss = SGAUSS( Srf1 );
  28.  
  29. Evaluates the Gaussian curvaure of Srf1.
  30.