非常实用的UG曲线表达式.pdf

表示有 N种方法表示用 UG3.0可以实现双外摆线b=2. 5 l=2. 5 t=1 xt=3*b*cos(t*360)+l*cos(3*t*360) yt= 3*b*sin(t*360)+l*sin(3*t*360) 星形线a=5 t=1 xt=a*(cos(360*t))^3 yt=a*(sin(360*t))^3 叶形线a=10 t=1 xt=3*a*t/(1+(t^3)) yt=3*a*(t^2)/(1+(t^3)) 螺纹线t=1 xt=4*cos(t*(5*360)) yt=4*sin(t*(5*360)) zt=6*t 蛇形线t=1 xt=2*cos(t*360*3)*t yt=2*sin(t*360*3)*t zt=(sqrt(sqrt(sqrt(t))))^3*5 t=1 r=t*3 theta=t*360*3 zt=sqrt(t)*7 t=1 rho=360*sqrt(t)*2 theta=t*25 phi=360*t*4 双余弦线t=1 xt=-(9.5*6.5)+t*(9.5*6.5*2) yt=cos(t*360*6.5)*(6.35/2)-(6.35/2) zt=cos(t*360*8)*5 对数线t=1 xt=10*t yt=log(10*t+0.0001) 抛物线t=1 xt=(4*t) yt=(3*t)+(5*t^2) 勾形线t=1 xt=(5*(cos(t*360))^3)*t yt=(5*(sin(t*360))^3)*t 次声波t=1 xt=t*5 yt=cos(t*360*8)*t 正弦波t=1 xt=5*t*t yt=sin(t*8*360)*0.5 渐开线pitch_diameter=10 pressure_angle=20 r=(pitch_diameter/2)*cos(pressure_angle) t=1 xt=r*cos(90*t*t)+r*(90*t*t)*(pi/180)*sin(90*t*t) yt=r*sin(90*t*t)-r*(90*t*t)*(pi/180)*cos(90*t*t) 普通外摆线r=10 t=1 xt=t*(2*pi*r)-sin(t*360)*r yt=r-cos(t*360)*r 小飞机t=1 xt=cos(t*360)+cos(3*t*360) yt=sin(t*360)+sin(5*t*360) 弯月t=1 xt=cos(t*360)+cos(2*t*360) yt=sin(t*360)*2+sin(t*360)*2 五角形线t=1 xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-6)*sin(360*4*t)-6*sin((10/6-1)*(360*4*t)) t=1 xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-6)*sin(360*4*t)-10*sin((10/6-1)*(360*4*t)) t=1 xt=2+(10-2)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-2)*sin(360*4*t)-10*sin((10/6-1)*(360*4*t)) t=1 xt=0.5+(10-6)*cos(360*5*t)+10*cos((6/10-1)*(360*5*t)) yt=0.5+(10-6)*sin(360*5*t)-10*sin((6/10-1)*(360*5*t)) 热带鱼a=5 t=1 xt=(a*(cos(t*360*3))^4)*t yt=(a*(sin(t*360*3))^4)*t 双蝴蝶线t=1 theta=t*360+90 r=cos(360*t*5)*3+0.5 zt=cos(360*t*3)*3 t=1 theta=t*360+18 r=cos(360*t*5)*0.75+3.5 zt=cos(t*360*5)*0.4 t=1 theta=t*360-54 r=cos(360*t*5)*0.5+2.5 zt=cos(t*360*5+90)*0.5 心电图t=1 r=sin(t*360*2)+0.2 theta=10+t*(6*360) zt=t*3 燕尾剪t=1 xt=3*cos(t*360*4) yt=3*sin(t*360*3) zt=t t=1 r=t*2 theta=10+t*(12*360) zt=t*3 碟形线t=1 r=10+10*sin(6*t*360) zt=2*sin(6*360*t) 花篮t=1 r=5 zt=(sin(3.5*(t*720)-90))+2 小兔兔t=1 theta=t*360-90 r=cos(360*(t/(1+t^(6.5*t)))*6*t)*3.5+5 红十字t=1 r=cos(360*t*4)*0.5+1 theta=t*360+90 心形线t=1 r=10*(1+cos(t*360)) t=1 theta=t*360*4 r=1+cos(t*360*5) t=1 theta=t*360*5 r=8+5*sin(t*360*5*5)*t 太阳花t=1 theta=-t*360+180 r=cos(360*t/(1+t^8)*7)*3+6 t=1 theta=t*360 r=cos(360*t*20)*0.5*t+1 t=1 theta=t*360*2 r=cos(360*t*30)*0.5*t+2*t t=1 theta=t*360*5 r=cos(360*t*20)*0.5*t+1 手掌t=1 theta=t*360+180 r=cos(360*t^3*6)*2+5 t=1 theta=t*360*4 r=(cos(360*t*16)*0.5*t+1)*t 天蚕丝t=1 theta=t*3600 r=(cos(360*t*20)*0.5*t+1)*t 人民币t=1 theta=-t*360+180 r=cos(360*(t/(1+t^6))*6)*3+5 t=1 rho=360*t*10 theta=360*t*20 phi=360*t*5 球面螺旋线t=1 rho=4 theta=t*180 phi=t*360*12 蝴蝶线t=1 rho=8*t theta=360*t*4 phi=360*t*8 t=1 rho=3*t theta=360*t*5 phi=360*t*2.5 。