1、主程序JDNELBI 1:JDk=?C:JD=?D:Li?L:R=?R:JDX=?U:JDY=?V:JDA=?A:(+1R,-1L)?M:Z(+R,L)?B:K=?P:Prog:JDNE1:X=?XY=?YF=?FGoto 1子程序JDNE1(R+L(24R)tan(D2)+L2L(240R)TCTII+LJJ+DR180LHH+LKIf PI:Then U+(C-P)cos(A+180)+Bcos(A+90)XV+(C-P)sin(A+180)+Bsin(A+90)YAF:Return:IfEndIf PI And PJ :Then A+M30(PI)(RL)O(PI)(PI)(90R)GU
2、+Tcos(A+180)+Gcos(O)XV+Tsin(A+180)+Gsin(O)Y90(PI)(RL)WX+Bcos(A+MW+90)XY+Bsin(A+MW+90)YA+MWF:Return:IfEndIf PJ And PH :Then A+M90(L+PJ)(R)O2Rsin(PJ)90(R)GU+Tcos(A+180)+(LL(90R)cos(A+M(30L)(R)+Gcos(O)XV+Tsin(A+180)+(LL(90R)sin(A+M(30L)(R)+Gcsin(O)X90(PJ)(R)WX+Bcos(O+MW+90)XY+Bsin(O+MW+90)YO+MWF:Return
3、:IfEndIf PHAnd PK :Then A+MD+180M30(PK)(RL)OKP(KP)(90R)GU+Tcos(A+MD)+Gcos(O)XV+Tsin(A+MD)+Gsin(O)Y(PK)90(RL)WX+Bcos(A+MDMW+90)XY+Bsin(A+MDMW+90)YA+MDMWF:Return:IfEndIf PK :Then U+(T+PK)cos(A+MD)+Bcos(A+MD+90)XV+(T+PK)sin(A+MD)+Bsin(A+MD+90)YA+MDF:Return:IfEnd变量说明:JDk交点桩号CJD交点转角DLi缓和曲线长度LR圆曲线半径RJDX交点X坐标UJDY交点Y坐标VJDA交点方位角A(+1R,1L)偏向MZ(+R,L)(边桩到中桩距离)BK待求桩号PX待求点X坐标Y待求点Y坐标F待求点的方位角本程序已经测试通过,第二缓和曲线起点附近有时会有1公分误差,是公式简化过程中产生的。基本和设计方面提供的坐标误差在1mm以内。