指出下列三种定义格式属于(形、线型、图案)哪种?并说明各自的定义格式。
(1)
*旱地,1112
0,0,0,0,20,2,-18
0,10,10,0,20,2,-18
90,0.5,0,0,20,1,-19
90,10.5,10,0,20,1,-19
90,1.5,0,0,20,1,-19
90,11.5,10.0,0,20,1,-19
(2)
*栏杆
a,4.5,[SX,xwj.shx,s=1,r=0,x=0,y=0],4.5,[YR,xwj.shx,s=.5,r=0,x=1,y=0],-1
(3)
;独立树
*60,11,DLS
3,5,050,2,058,1,074,10,(4,060),0