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发表于 2015-1-30 16:08:55
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来自 上海
用下面的命令,N1,N2,N3是曲线上三个节点的编号
得到圆心坐标为(x0,y0,z0)
N1=1
N2=2
N3=3
ALLSEL,ALL
NWPLAN,-1,n1,n2,n3
CSWPLA,11,0,1,1,
csys,11
x1=Nx(n1)
y1=Ny(n1)
x2=Nx(n2)
y2=Ny(n2)
x3=Nx(n3)
y3=Ny(n3)
x0=((x1*x1-x2*x2+y1*y1-y2*y2)*(y1-y3)-(x1*x1-x3*x3+y1*y1-y3*y3)*(y1-y2))/(2*(y1-y3)*(x1-x2)-2*(y1-y2)*(x1-x3))
y0=((x1*x1-x2*x2+y1*y1-y2*y2)*(x1-x3)-(x1*x1-x3*x3+y1*y1-y3*y3)*(x1-x2))/(2*(y1-y2)*(x1-x3)-2*(y1-y3)*(x1-x2))
wpoff,x0,y0,0
CSWPLA,11,0,1,1,
WPCSYS,-1,0
csys,0
*GET,x0,CDSY,11,LOC,X
*GET,y0,CDSY,11,LOC,Y
*GET,z0,CDSY,11,LOC,Z
CSDELE,11, ,1, |
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