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数学图形(1.24)巴斯加线与蚶线

2016-07-29 00:00 225 查看
巴斯加线是一种大圈套小圈的图形

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vertices = 1000 r = 10.0 b = 3.0 t = from 0 to (2*PI) p = -2*r*cos(t) + b x = p*sin(t) y = p*cos(t)




巴斯加线所组成的面:

vertices = D1:512 D2:100 u = from 0 to (2*PI) D1 v = from 0 to 20 D2 r = 5.0 p = -2*r*cos(u) + v; x = p*sin(u) y = p*cos(u)




蚶线(Limacon)与巴斯加线很相似,

vertices = 1000 r = 10.0 b = 3.0 t = from 0 to (2*PI) p = r*(1 + b*sin(t)) x = p*sin(t) y = p*cos(t)




vertices = D1:512 D2:100 u = from 0 to (2*PI) D1 v = from 0 to 10 D2 r = 5.0 p = r*(1+v*sin(u)) x = p*sin(u) y = p*cos(u)


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