f(x)8500全线通坐标正、反算

1、f（x）8500 全线通坐标正、反算GOTO M:LbI Z:If S w等缓曲线终点桩号：Then等缓曲线交点桩号G:交点（X） 坐标-N:交点（Y）坐标-E:转角（左负，右正）-A:起点切线 方位角F:半径一R:缓和曲线长度-C: GOTO 1 :IfEndS<If S w线元终点桩号：Then线元起点桩号-Q:线元终点桩号-O: 线元起点（X）坐标-N:线元起点（Y）坐标-E:线元起点切线方 位角-F:线元起点曲率半径（左负，右正） -P:线元终点曲率半 径（左负，右正）-R: GOTO 6: IfEndS<LbI Y:If S w等缓曲线终点桩号：Then等缓曲线交点桩号G

2、:交点（X） 坐标-N:交点（Y）坐标-E:转角（左负，右正）-A:起点切线 方位角F：半径一R:缓和曲线长度-C: GOTO 1 :IfEndS<If S W线元终点桩号：Then线元起点桩号-Q:线元终点桩号-O: 线元起点（X）坐标-N:线元起点（Y）坐标-E:线元起点切线方 位角-F:线元起点曲率半径（左负，右正） -P:线元终点曲率半 径（左负，右正）-R: GOTO 6: IfEndSwLbI M:Deg:11f Dim Z:"M=0 => SR M=1 =>XY"?M;If M ?0:Then GOTO X:Else GOTO 0:IfEnd

3、LbI 0: OX ?X: OY?Y: OS ?S: X- Z 8：Y+0.0001 7 Z9： Z= ?Z:If Z=1 :Then GOTO Y: IfEndIf Z=-1: Then GOTO Z: IfEndLbI X: XL:Z>0 = >Y, Z <0 =>Z ?Z:S= ?S:If Z=-1 And S <本条线路的终点桩号：Then GOTO Z: IfEndIf Z=1 And S < 本条线路的终点桩号:Then GOTO Y: Else GOTO 0 :IfEndLbI 1 ：C2/(24R)-C 4/(2688R 3)+C6/(967

4、8450R 5) 7 C :C/2-C3/(9240R2)+C5/ (41472R4)7Q:90C/(兀R)-B:(R+P tan(AbsA/2)+Q T:(R+P)/cos(A/2)-R W:(Abs(A)-2B)兀 R/180+2r L:G-T Z1Z1+8Z2:Z1+L/2Z3：Z1+L-C-Z4：Z1+L- Z5:If A <0 :Then-1 -I: Else 1 - I: IfEnd:F+A/2+90IU:W+RHV:N+Vcos(U)-B:E+Vsin(U) -O:LbI 2 ：If S<Z1: Then T+Z1-SfL:F+180-V:F U:GOTCB :IfE

5、ndIf S <Z2： Then S-Z 1L:(不能换行) L-L5/(40R2C2)+L9/(3456(RC) 4) - Q:L3/(6RC)-L 7/(336(RC) 3)+L11/(422 40(RC)5)P: v/(Q2+P2) -V:30IL 2/(兀R C)-L: F+Itan-1(P/Q) 7Q:F+180-P:F+3LU: GOTO 4: IfEnd:If S< Z4:Then F+A/2+180+90I+180(S-Z3)I/(兀R)-L :U=L+90I fU:GOTO 5: IfEnd:If S< Z5：Then Z5-S L:L-L 5/(40R2

6、C2 )+L9/(3456(RC) 4 )7Q: L3/(6RC)-L 7/(336(RC) 3 )+L11/(42240(RC) 5 )7P:V= V (Q2+P2) fV:30IL 2/(兀R C)-L: F+A+180-I tan-1(P/Q) -Q:F+AP:F+A-3L U:GOTO 4 : IfEndIf S >Z5：ThenL=S-Z5+T7:F+AV:VU:GOTO 3: IfEndLbI 3 ：N+Lcos(V)-X:E+Lsin(V) - Y:UH U:If M=0:Then GOTO 8: Else GOTO 7: IfEndLbI 4:N+Tcos(P)+Vcos

7、(Q)-X:E+Tsin(P)+Vsin(Q) -Y:UH U:If M=0:Then GOTO 8: Else GOTO 7: IfEndLbI 5:X=B+Rcos(L)-X:Y=0+Rsin(L) -Y:UH U:If M=0:Then GOTO 8: Else GOTO 7: IfEndLbI 6:(R-P)/Abs( O-Q) - Z6Abs(S-Q) - Z7:Z6* Z77I:F+90(I+2P)* Z 7/ 兀7U:F+45(I/8+2P) *Z 7/(4 兀)-A:F+135(3I/8+2P)* Z7/(4 兀)B:F+225(5I/8+2P) *Z 7/(4 兀)C:F+3

8、15(7I/8+2P) *Z 7/(2 兀)-GF+45(I/2+2P) *Z 7/(2 兀)-L:F+135(3I/4+2P)* Z7/(2 兀)T:N+ Z 7 /24*(cos(F)+4*(cos(A)+cos(B)+cos(C)+cos(G)+2*(cos(H)+ cos(L)+ cos(T)+ cos(U) - X:E+ Z 7 /24*(sin(F)+4*(sin(A)+sin(B)+ sin(C)+sin(G)+2*( sin(H)+ sin(L)+ sin(U)- Y:If M=0:Then GOTO 8: Else GOTO 7: IfEndLbl 7:0 7V:V=” ?V

9、:X+Dcos(U+V尸 G:Y+Dsin(U+V)-H:If U <0: Then U+360 - U: IfEndIf U >360: Then U-360 -U: IfEnd“ YS” :Locate 6,2, S:Locate 5,3, G:Locate 6,4, H:U- DM样“ D=” ?D:If D ? 0:Then GOTO 7: Else GOTO 9: IfEndLbI 8:(X-Z 8)sin(U-90)-(Y-Z9)cos(U-90) -Z10：While Abs Z 10三 0.001:S+ Z 10S: GOTO X WhileEnd:POI（Z8-X,Z9-Y）: J-U J:If J <0 :Then J+360 -J: ElseJ J