How to load and view .nrb files?

Hi,

Now I have some files, which are NURBS definitions in text file with the extension .nrb, could anyone tell me how to load and view this format file?

Format as follows:

surface
0
50 :M
53 :N
U Knot Vector
0.000000
0.000000
0.000000
0.000000
0.020000
0.040000
0.060000
0.080000
0.100000
0.120000
0.140000
0.160000
0.180000
0.200000
0.220000
0.240000
0.260000
0.280000
0.300000
0.320000
0.340000
0.360000
0.380000
0.400000

V Knot Vector
0.000000
0.000000
0.000000
0.000000
0.021277
0.042553
0.063830
0.085106
0.106383
0.127660
0.148936
0.170213
0.191489
0.212766
0.234043
0.255319
0.276596
0.297872
0.319149
0.340426
0.361702
0.382979
0.404255
0.425532
0.446809
0.468085

Control Points
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
0.625122 1.221069 409.302094
......

Thanks for any help!

Answer 1

[Jacob Mathew]

Hey Zichun,

You can checkout the NURBS Toolbox by D.M. Spink from the Add On explorer :

https://www.mathworks.com/matlabcentral/fileexchange/26390-nurbs-toolbox-by-d-m-spink