bf=45 ; iQm.]A
af=bf*pi/180 ; ]lB3qEn<
h1=20 JW% /^'
; z"s%#/#
x00=30.0 mS)|6=Y
x01=105.0 kh>SrW]B%
x02=x00 z7@(uIl=X
x03=x00+h1/tan(af) =UB*xm%!
x04=x01 GEe 0@q#YA
x05=x03 O'!r]0Q
x06=105.0 6L:trLuQ
x07=x06 S-M)MCL
; &Xn8oe
y00=0.0 S`W'G&bCj
y01=y00 _']%qd"%
y02=1.0 oXQ<9t1(
y03=y00 L)R[)$2(g
y04=y02 z*dQIC
y05=y02 !HdvCYB>
y06=y00 bQ^DX `o6P
y07=y02 A'~%_}
z00=20.0 ,{uW8L
z01=z00 c+Q.?vJ
z02=z00 ;Txv-lfS
z03=40.0 _\4`
z04=z00 c9*1$~(v0I
z05=z03 {XDY:`vZ}
z06=z03 ElEv(>G*
z07=z03 &sZ9$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