1、左向卵形曲线计算图示2: JD1 X=9858.265 Y=10034.988 R=75 卵形曲线长Ls=48.166 JD2 X=9949.871 Y=10155.449 R=50QD K0+084.182 X=9922.319 Y=10007.905 (QX)FWJ=157 04 52YH K0+196.332 X=9880.441 Y=10100.900 (QX)FWJ=71 24 17.4 终点HY K0+244.498 X=9910.602 Y=10136.790 (QX)FWJ=25 24 34.8ZD K0+316.067 X=9973.800 Y=10119.149 (QX)F
2、WJ=303 23 51.5 JD2起点 卵曲线 JD15800任意线型中边桩坐标计算程序(卵形曲线示例)RYSX ZB JS (主程序)Lb1 1: “K”? K:Prog “ S1 ” (R -D)/Abs(Z - Q)P: Abs(K - Q)C: PCEF(E2D)C90JF(E82D)C45(4)MF(3 E82D)C135(4)NF(5 E82D)C225(4)UF(7 E82D)C315(4)VF(E42D)C45(2)HF(E22D)C45OF(3 E 42D)C135(2) G“X=”:AC24(cos(F)4(cos(M)cos(N)cos(U)cos(V)2(cos(H)
3、cos (O)cos(G)cos(J)X “Y=”:BC24(sin (F)4(sin(M)sin(N)sin(U)sin(V)2(sin (H)sin (O)sin (G)sin(J)Y Lb1 1:?W:? L:? I“XL=”:XLcos(JW)“YL=”:YLsin(JW)“XR=”:XIcos(JW)“YR=”:YIsin(JW) Goto 1S1(数据库)子程序If K终点桩号:Then起点桩号Q:终点桩号Z:起点X坐标A:起点Y坐标B:起点切线方位角F:起点曲率1/R1D:终点曲率1/R2R: (如是直线均输0) Goto 0:If End换行下一个线元要素输入同上。 。Lb1
4、0:Return 说明:曲率 “1/R1”? D: “1/R2”?R 为起终点半径的倒数. 左向为负右向为正.若有多条路线数据库建如S2, S3。S5在使用时把主程序S1根据计算需要改为S2。S5要计算线路即可。K为待求点里程, W为夹角,L为左边距,I为右边距。( 卵形曲线计算 )逐桩坐标计算表序号里 程中 边 桩X 坐 标Y 坐 标切线方位角1 QDK0+084.182中桩9922.31910007.905157度04分52秒2K0+084.182左11.25米9926.70010018.267157度04分52秒3K0+084.182右11.25米9917.9389997.543157度04分52秒4K0+089.182中桩9917.78210010.004153度15分41秒5K0+089.182左11.25米9922.84410020.051153度15分41秒6K0+089.182右11.25米9912.7209999.957153度15分41秒7K0+094.182中桩9913.39510012.401149度26分30秒8K0+094.182左11.2