第一種是為不熟悉命令的用戶準備的，根據提示輸入數據即可。

而且這樣做還有一個重要的理由，就是看上去好像挺有學問。

/prep7
multipro,'start',3 !橢圓中心位置輸入
*cset,1,3,x0,'X-coordinate of ellipse center',0
*cset,4,6,y0,'Y-coordinate of ellipse center',0
*cset,7,9,z0,'Z-coordinate of ellipse center',0
multipro,'end'
multipro,'start',4 !橢圓長軸
*cset,1,3,xmcomp,'Major axis X-component vector',1
*cset,4,6,ymcomp,'Major axis Y-component vector',0
*cset,7,9,zmcomp,'Major axis Z-component vector',0
*cset,10,12,major,'Major axis length',24
multipro,'end'
multipro,'start',4 !橢圓短軸
*cset,1,3,xncomp,'Minor axis X-component vector',0
*cset,4,6,yncomp,'Minor axis Y-component vector',1
*cset,7,9,zncomp,'Minor axis Z-component vector',0
*cset,10,12,minor,'Minor axis length',12
multipro,'end'
ratio=minor/major !根據輸入繪制橢圓
csys,0
wplane,,x0,y0,z0,x0 xmcomp*major,y0 ymcomp*major,z0 zmcomp*major,x0 xncomp*minor,y0 yncomp*minor,z0 zncomp*minor cswpla,11,1,ratio,1