bf=45 ; ^]c/hb|X
af=bf*pi/180 ; ~l"70\&
h1=20 a$ a+3}\
; s\QhCS
x00=30.0 -BUxQ8/,
x01=105.0 C{>@b:]p
x02=x00 csE 9Ns
x03=x00+h1/tan(af) c#sPM!!
x04=x01 }@MOkj
x05=x03 oT2h'gu")
x06=105.0 ~01
o
x07=x06 <"w;:Zs
; :q=u+h_
y00=0.0 w"d~R
y01=y00 xc dy/J&
y02=1.0 `&$"oW{HW
y03=y00 "3o{@TdU
y04=y02 cmgI,n-o?
y05=y02 *O-1zIlp
y06=y00 (7BG~T
y07=y02 kG_ K &,;@
z00=20.0 a@ `1 5O:
z01=z00 Z7RGOZQ}G
z02=z00 $3>k/*=
z03=40.0 `s#0/t
z04=z00 %7=B?c|
z05=z03 #(&!^X3
z06=z03 WNSf$D{p
z07=z03 dr0<K[S_
如上式建立了一坡角45度,高度20M,上底75,下底95的单宽矩形,用八个点定义的,有点麻烦