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Asked: 2026-05-24T12:17:57+00:00

Wa are talking about Non-uniform rational B-spline . We have some simple 3 dimentional

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Wa are talking about Non-uniform rational B-spline. We have some simple 3 dimentional array like 

{1,1,1}
{1,2,3}
{1,3,3}
{2,4,5}
{2,5,6}
{4,4,4}

Which are points from a plane created by some B-spline

How to find controll points of spline that created that plane? (I know its a hard task because of weights that need to be calculated but I really hope it is solvable)

alt text For thouse who did not got idea of question – sory my writting is wwbad – we have points that are part of plane rendered here and we need to find controll points that form a spline which solution is that rendered plane.

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1 Answer

  1. Editorial Team

    There are several interpolation techniques that could be used, Global NURB surface interpolation, or Bi-cubic piecewise surface interpolation are reasonable.

    “The NURBS book” by Les A. Piegl covers a number of them

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