/* * FILE: nubgac2.dat * * example for global curve approximation. a 14 point data set is * approximated by a curve of degree 3 with 8 control points * */ curv1 = NUBGAC( 3, /* degree */ 8, /* number of control points */ /* vector of data points: */ dpts1 = ((0,0,0),(1,0,0),(2,0,0),(3,0,0), (4,0,1), (5,0,2),(6,0,2),(7,0,2),(8,0,2), (9,0,3), (10,0,4),(11,0,4),(12,0,4),(13,0,4)) ); pts1 = POINTS( dpts1 ); lin1 = POLYLINE( dpts1 ); SCENEROOT = SCENENODE ( (), (), (pts1,curv1,lin1) );