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1、建筑物放样数据的计算1.控制点AB的方位角和AB的距离: (1).求B点的坐标增量:XAB=66.823-72.571=-5.748 YAB=485.284-570.677=-85.393 (2).求AB的象限角:RAB= arctan 85.393/5.784=86.14909785(第三象限) (3).求AB的坐标方位角:AB=180+86856.75=266856.75 (4).求AB的水平距离:DAB=5.7482+85.3932=85.58636942求放样点1的角度和A1点的水平距离: (1).求点1的坐标增量:XA1=107.00-72.571=34.429 YA1=506.00
2、0-570.677=-64.677 (2).求A1的象限角:RA1= arctan -64.677/34.429=-615821.5(第四象限) (3).求A1的坐标方位角:A1=-615821.5+360=298138.5 (4).求A1的水平距离:DA1=34.4292+64.6772=73.26984625 (5).求AB与A1的水平角:1=298138.5-266856.75=315241.753求放样点2的角度和A2的水平距离: (1).求点2的坐标增量:XA2=114.832-72.571=42.261 YA2=545.226-570.677=-25.451 (2).求A2的象限角
3、:RA2=arctan-25.451/42.261=-31327.97(第四象限) (3).求A2的坐标方位角:A2=-31327。97+360=3285632 (4).求A2的水平距离:DA2=42.2612+25.4512=49.33300642 (5).求AB与A2的水平角:2=3285632-266856.75=624735.254. 求放样点3的角度和A3的水平距离: (1).求点3的坐标增量:XA3=139.349-72.571=66.778 YA3=540.330-570.667=-30.347 (2).求A3的象限角:RA3=arctan-30.347/66.778=-2426
4、21.25(第四象限) (3).求A3的坐标方位角:A3=-242621.25+360=3353338.7 (4). 求A3的水平距离:DA3=66.7782+30.3472=73.35013083 (5).求AB与A3的水平角:3=3353338.7-266856.75=692441.95 5. 求放样点4的角度和A4的水平距离: (1).求点4的坐标增量:X A4=131.516-72.571=58.945 YA4=501.105-570.677=-69.572 (2).求A4的象限角:RA4=arctan-69.571/58.945=-494337.21(第四象限) (3).求A4的坐标
5、方位角:A4=-494337.21+360=3101622.79 (4).求A4的水平距离:DA4=58.9452+69.572=91.18539471 (5).求AB与A4的水平角:4=3101622.79-266856.75=44725.95根据计算资料求建筑物点1点4;点1点2的长度1 求点1点4的长度: (1).求A41的角度: 已知b1=315241.75, 4=44725.95 A14=b4-1=121444.2 (2).求A41的对边:h1=73.270sin121444.2=15.54077326 (3).求点A4A1对边的距离:15.540773262+X2=73.26984
6、6252 X=73.269846252-15.540773262=71.60275648 (4).求点44A1对边的距离:91.18539471-71.60275648=19.58263823 (4)求点1点4的长度:15.540773262+19.582638232=24.999907071.求点1点2的长度: (1).求A12的角度: 已知b1=.315241.75 2=624735.25 A12=b2-b1=305453.5 (2)。求A12的对边: 49.333sin325453.5=25.34550933 (3).求点AA12对边的距离:49.3332-25.345509332=42.3243509 (4).求点1A12对边的距离:73.26984625-42.3243509=30.94549535 (5).求点1点2的长度:25.345509332+30.945495352=40.00023157 建筑物坐标放线图:E(Y)N(x)WSBAX:75.571Y:570.677X:66.823Y:485.2841X:107.000Y:485.2842X:114.832Y:545.2263X:139.349Y:540.3304X:131.516Y:501.105. . 说明:点为坐标控制点;,为建筑物坐标放样点