1.ç¢å½¢å¼¹ç°§
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æ¹ç¨ï¼r = 5
theta = t*3600
z =(sin(3.5*theta-90))+24*t
2.å¶å½¢çº¿.
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æ¹ç¨ï¼a=10
x=3*a*t/(1+(t^3))
y=3*a*(t^2)/(1+(t^3))
3.èºæ线(Helical curve)
åæ±åæ ï¼cylindricalï¼
æ¹ç¨ï¼ r=t
theta=10+t*(20*360)
z=t*3
4.è´è¶æ²çº¿
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æ¹ç¨ï¼rho = 8 * t
theta = 360 * t * 4
phi = -360 * t * 8
5.æ¸å¼çº¿
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æ¹ç¨ï¼r=1
ang=360*t
s=2*pi*r*t
x0=s*cos(ang)
y0=s*sin(ang)
x=x0+s*sin(ang)
y=y0-s*cos(ang)
z=0
6.èºæ线.
ç¬å¡å¿åæ
æ¹ç¨ï¼x = 4 * cos ( t *(5*360))
y = 4 * sin ( t *(5*360))
z = 10*t
7.对æ°æ²çº¿
ç¬å¡å°åæ ç³»
æ¹ç¨ï¼z=0
x = 10*t
y = log(10*t+0.0001)
8.çé¢èºæ线
éç¨çåæ ç³»
æ¹ç¨ï¼rho=4
theta=t*180
phi=t*360*20
9.å弧å¤æ线
å¡è¿ªå°åæ
æ¹ç¨ï¼ l=2.5
b=2.5
x=3*b*cos(t*360)+l*cos(3*t*360)
Y=3*b*sin(t*360)+l*sin(3*t*360)
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10.æè¡çº¿
å¡è¿ªå°åæ
æ¹ç¨ï¼a=5
x=a*(cos(t*360))^3
y=a*(sin(t*360))^3
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11.å¿è线
åæ±åæ
æ¹ç¨ï¼a=10
r=a*(1+cos(theta))
theta=t*360
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12.åå
èºæ线
éç¨æ±åº§æ ç³»
æ¹ç¨ï¼theta=t*360
r=10+10*sin(6*theta)
z=2*sin(6*theta)
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13.æ£å¼¦æ²çº¿
ç¬å¡å°åæ ç³»
æ¹ç¨ï¼x=50*t
y=10*sin(t*360)
z=0
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14.太é³çº¿ï¼è¿æ¬æ¥æ¯åå«çæ²çº¿çï¼ç»æåéäºï¼å°±åæè¿æ ·äºï¼
15.费马æ²çº¿ï¼æç¹åèºçº¹çº¿ï¼
æ°å¦æ¹ç¨ï¼rï¼r = a*a*theta
åæ±åæ
æ¹ç¨1: theta=360*t*5
a=4
r=a*sqrt(theta*180/pi)
æ¹ç¨2: theta=360*t*5
a=4
r=-a*sqrt(theta*180/pi)
ç±äºPro/eåªè½åè¿ç»çæ²çº¿ï¼æ以åªè½å两次å
16.Talbot æ²çº¿
å¡ç¬å°åæ
æ¹ç¨ï¼theta=t*360
a=1.1
b=0.666
c=sin(theta)
f=1
x = (a*a+f*f*c*c)*cos(theta)/a
y = (a*a-2*f+f*f*c*c)*sin(theta)/b
17.4å¶çº¿ï¼ä¸ä¸ªæ¹ç¨åçï¼æ²¡æå¤å¶ï¼
18.Rhodonea æ²çº¿
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æ¹ç¨ï¼theta=t*360*4
x=25+(10-6)*cos(theta)+10*cos((10/6-1)*theta)
y=25+(10-6)*sin(theta)-6*sin((10/6-1)*theta)
19. æç©çº¿
ç¬å¡å¿åæ
æ¹ç¨ï¼x =(4 * t)
y =(3 * t) + (5 * t ^2)
z =0
20.èºæ线
åæ±åæ
æ¹ç¨ï¼r = 5
theta = t*1800
z =(cos(theta-90))+24*t
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