7.23 data/examples/nurbcurv3.dat

/*
 * FILE: nurbcurv3.dat
 *
 * creates a quadratic curve with a clamped knot vector
 *
 */

cpts = ((0,0,0,1), (0.25, 0.3, 0, 1),  (0.75, 0.3, 0, 1),  (1,0,0,1));
curv1 = NURBCURV( 
  ( 0., 0., 0., 0.5, 1., 1., 1. ),
  cpts
);
poly1 = POLYLINE_H3(cpts);
SCENEROOT = SCENENODE( (), (ATTRIBS(LINECOLOR((1,0,0,1)))), (curv1,poly1) );