BSPLINE
# Sample file containing Bspline control points
# {dimension} {number of points} {degree}
2 7 2
1 2 3 4 5 6 7 8
0.15 0.2
0.20 0.2
0.30 0.8
0.34 0.6
0.42 0.7
0.63 0.5
0.7 0.3