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author | Karl Berry <karl@freefriends.org> | 2013-04-07 18:26:53 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2013-04-07 18:26:53 +0000 |
commit | b04c2e1a42573e9735547702356c7b9a769a6855 (patch) | |
tree | c0753443f39500a062d7698fe6b94359c813f871 /Master/texmf-dist/doc/asymptote/examples/NURBScurve.asy | |
parent | fb0bf13304a356f197bfc1add17f98c07e96f17b (diff) |
texmf -> texmf-dist: doc
git-svn-id: svn://tug.org/texlive/trunk@29714 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/asymptote/examples/NURBScurve.asy')
-rw-r--r-- | Master/texmf-dist/doc/asymptote/examples/NURBScurve.asy | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/asymptote/examples/NURBScurve.asy b/Master/texmf-dist/doc/asymptote/examples/NURBScurve.asy new file mode 100644 index 00000000000..c4da5c2ff5f --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/NURBScurve.asy @@ -0,0 +1,33 @@ +import three; + +size(10cm); + +currentprojection=perspective(50,80,50); + +// Nonrational curve: +// udegree=3, nu=6; +real[] knot={0,0,0,0,0.4,0.6,1,1,1,1}; + +triple[] P={ + (-31.2061,12.001,6.45082), + (-31.3952,14.7353,6.53707), + (-31.5909,21.277,6.70051), + (-31.4284,25.4933,6.76745), + (-31.5413,30.3485,6.68777), + (-31.4896,32.2839,6.58385) + }; + +draw(P,knot,green); + +// Rational Bezier curve: +// udegree=3, nu=4; +real[] knot={0,0,0,0,1,1,1,1}; +path3 g=scale3(20)*(X{Y}..{-X}Y); +triple[] P={point(g,0),postcontrol(g,0),precontrol(g,1),point(g,1)}; + +// Optional weights: +real[] weights=array(P.length,1.0); +weights[2]=5; + +draw(P,knot,weights,red); + |