DrawTrSurf_BSplineCurve
7 1 1  2 4 4  0.999999999999998 -1.73205080756888 0  0.5 1 1.73205080756888 0  0.5 -2 2.44929359829471e-16 0  0.5 -0.5 -0.866025403784438 0  1
 0 1 2.0943951023932 1 4.18879020478639 2 6.28318530717959 1

0

