bf=45 ; <YSg~T
af=bf*pi/180 ; [Q=4P*G}X
h1=20 `L;OY 4
; *H?t;,\
x00=30.0 a6P!Wzb
x01=105.0 CY5w$E
x02=x00 IF^[^^v+H
x03=x00+h1/tan(af) k|l5 "&K~.
x04=x01 Qv\bLR
x05=x03 !&\meS{
x06=105.0 Slo9#26
x07=x06 |C|:i@c
H
; r
/^'Xj'(
y00=0.0 J/=
+r0c
y01=y00 3 ^pYCK%
y02=1.0 nc-Qz
y03=y00 -#daBx
?
y04=y02 ` -yhl3si
y05=y02 /jvOXS\M
y06=y00 y3Y2QC(
y07=y02 F],TG&>5
z00=20.0 2S'AIuIew
z01=z00 [:Xn6)qz
z02=z00 NuIT{3S
z03=40.0 Z%KL[R}^w;
z04=z00 @{'o#EJY
z05=z03 iq,ah"L
z06=z03 F@Pem
z07=z03 7Onk!NH
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