采集20个点(从3d 对应 googlemap)

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-23316 21620  36.235907,120.346763

差值: -23352.235907 21499.653237

-15844 6532   36.306104,120.377022

差值: -15880.306104 6411.622978

-8542 2648 36.306104,120.377022

差值: -8578.306104 2527.622978

11528 750  36.306104,120.377022

差值: 11491.697181 629.622978

11540 7640 36.302819,120.500382

差值: 11503.697181 7519.499618

15202 17482 36.252048,120.514673

差值: 15165.747952 17361.485327

-14466 10558 36.302819,120.500382

差值: -14502.302819 -120.500382

-454 13574 36.279159,120.448562

差值: -490.279159 13453.551438

13822 23766 36.227663,120.517699

差值: 13785.772337 23645.482301

18360 16986 36.253675,120.528234

差值: 18323.746325 16865.471766

9390 10766  36.288643,120.488477

差值: 9353.711357 10645.511523

1253 3408 36.321083,120.390973

差值: 1216.678917 3287.609027

-13638 10144 36.289888,120.387411

差值: -13674.289888 10023.612589

-9482 13448 36.275116,120.406415

差值: -9518.275116 13327.593585

-1181 14274 36.268658,120.39638

差值: -1217.268658 14153.60362            

 

-2095 10642 36.275372,120.405792

差值: -2131.275372 10521.594208

-43230 21964 36.233034,120.258451

差值: -43266.233034 21843.741549

-75508 21476    36.23518,120.122194

差值: -75544.23518 21355.877806

-76608 13310 36.289542,120.1158

差值: -76644.289542 13189.8842

-71940 34182 36.071462,120.170588

差值: -71976.071462 34061.829412

 

纬度最小值: -76644.289542             纬度最大值: 18323.746325

纬度中间值: = (-76644.289542 +   18323.746325)/2 =-58320.543217

 

MD( 纬度 )= 34968.30731+42440.237113 +49742.237113 +69812.240398 +69824.240398

  + 73486.291169+43818.240398 + 57830.264058+ 72106.315554+76644.289542

+ 67674.254574+59537.222134+44646.253329+48802.268101+57103.274559

+56189.267845+15054.310183+17223.691963+18323.746325+13655.528245 /20

=49444.12401555

 

经度中间值: = -120.500382 + 34061.829412 /2 = 16970.664515

MD( 经度 )=(4528.988722+10559.041537+14443.041537+16341.041537+9451.164897

+ 390.820812+17091.164897+3517.113077+6674.817786+105.192749)

+(6325.152992+13683.055488+6947.051926+3643.07093+2817.060895)

+(6449.070307+4873.077034+|4385.213291+3780.780315+17091.164897)/20

=6837.80220445

 

 

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