7.41 data/examples/surf_testcase.dat

/*
 * FILE: surf_testcase.dat
 *
 * example data set for interpolation and approximation algorithms
 */

points1 = POINTMATRIX( 
  /* matrix of data points: */
  (        
    ((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)),
    ((0,1,0),(1,1,0),(2,1,0),(3,1,0), (4,1,1), 
     (5,1,2),(6,1,2),(7,1,2),(8,1,2), (9,1,3),
     (10,1,4),(11,1,4),(12,1,4),(13,1,4)),
    ((0,2,0),(1,2,0),(2,2,0),(3,2,0), (4,2,1), 
     (5,2,2),(6,2,2),(7,2,2),(8,2,2), (9,2,3),
     (10,2,4),(11,2,4),(12,2,4),(13,2,4)),
    ((0,3,0),(1,3,0),(2,3,0),(3,3,0), (4,3,1), 
     (5,3,2),(6,3,2),(7,3,2),(8,3,2), (9,3,3),
     (10,3,4),(11,3,4),(12,3,4),(13,3,4)),

    ((0,4,1),(1,4,1),(2,4,1),(3,4,1), (4,4,2), 
     (5,4,3),(6,4,3),(7,4,3),(8,4,3), (9,4,4),
     (10,4,5),(11,4,5),(12,4,5),(13,4,5)),

    ((0,5,2),(1,5,2),(2,5,2),(3,5,2), (4,5,3), 
     (5,5,4),(6,5,4),(7,5,4),(8,5,4), (9,5,5),
     (10,5,6),(11,5,6),(12,5,6),(13,5,6)),
    ((0,6,2),(1,6,2),(2,6,2),(3,6,2), (4,6,3), 
     (5,6,4),(6,6,4),(7,6,4),(8,6,4), (9,6,5),
     (10,6,6),(11,6,6),(12,6,6),(13,6,6)),
    ((0,7,2),(1,7,2),(2,7,2),(3,7,2), (4,7,3), 
     (5,7,4),(6,7,4),(7,7,4),(8,7,4), (9,7,5),
     (10,7,6),(11,7,6),(12,7,6),(13,7,6)),
    ((0,8,2),(1,8,2),(2,8,2),(3,8,2), (4,8,3), 
     (5,8,4),(6,8,4),(7,8,4),(8,8,4), (9,8,5),
     (10,8,6),(11,8,6),(12,8,6),(13,8,6)),

    ((0,9,3),(1,9,3),(2,9,3),(3,9,3), (4,9,4), 
     (5,9,5),(6,9,5),(7,9,5),(8,9,5), (9,9,6),
     (10,9,7),(11,9,7),(12,9,7),(13,9,7)),

    ((0,10,4),(1,10,4),(2,10,4),(3,10,4), (4,10,5), 
     (5,10,6),(6,10,6),(7,10,6),(8,10,6), (9,10,7),
     (10,10,8),(11,10,8),(12,10,8),(13,10,8)),
    ((0,11,4),(1,11,4),(2,11,4),(3,11,4), (4,11,5), 
     (5,11,6),(6,11,6),(7,11,6),(8,11,6), (9,11,7),
     (10,11,8),(11,11,8),(12,11,8),(13,11,8)),
    ((0,12,4),(1,12,4),(2,12,4),(3,12,4), (4,12,5), 
     (5,12,6),(6,12,6),(7,12,6),(8,12,6), (9,12,7),
     (10,12,8),(11,12,8),(12,12,8),(13,12,8)),
    ((0,13,4),(1,13,4),(2,13,4),(3,13,4), (4,13,5), 
     (5,13,6),(6,13,6),(7,13,6),(8,13,6), (9,13,7),
     (10,13,8),(11,13,8),(12,13,8),(13,13,8))
  )
);

SCENEROOT = SCENENODE ( 
  (), 
  (), 
  (points1)
);