nrbtestcrv.m

非均匀有理B样条的matlab程序

function crv = nrbtestcrv
% Constructs a simple test curve. 

% D.M. Spink
% Copyright (c) 2000

pnts = [0.5 1.5 4.5 3.0 7.5 6.0 8.5;
        3.0 5.5 5.5 1.5 1.5 4.0 4.5;
        0.0 0.0 0.0 0.0 0.0 0.0 0.0];
crv = nrbmak(pnts,[0 0 0 1/4 1/2 3/4 3/4 1 1 1]);