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  • TA的每日心情
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    2020-3-20 17:50
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    [LV.1]初来乍到

    发表于 2020-3-17 10:29:43 | 显示全部楼层 |阅读模式
    本帖最后由 liyihongcug 于 2020-3-17 10:50 编辑

    实际测试法线不支持国内坐标的椭球。基本不能适应实际生产
    Geographic Coordinate System 地理坐标
    4214  GCS_Beijing_1954

    4326 GCS_WGS_1984

    4490 GCS_China_Geodetic_Coordinate_System_2000

    4555 GCS_New_Beijing

    4610 GCS_Xian_1980



    Projected Coordinate System 投影坐标
    2327 Xian_1980_GK_Zone_13

    2328 Xian_1980_GK_Zone_14

    2329 Xian_1980_GK_Zone_15

    2330 Xian_1980_GK_Zone_16

    2331 Xian_1980_GK_Zone_17

    2332 Xian_1980_GK_Zone_18

    2333 Xian_1980_GK_Zone_19

    2334 Xian_1980_GK_Zone_20

    2335 Xian_1980_GK_Zone_21

    2336 Xian_1980_GK_Zone_22

    2337 Xian_1980_GK_Zone_23

    2338 Xian_1980_GK_CM_75E

    2339 Xian_1980_GK_CM_81E

    2340 Xian_1980_GK_CM_87E

    2341 Xian_1980_GK_CM_93E

    2342 Xian_1980_GK_CM_99E

    2343 Xian_1980_GK_CM_105E

    2344 Xian_1980_GK_CM_111E

    2345 Xian_1980_GK_CM_117E

    2346 Xian_1980_GK_CM_123E

    2347 Xian_1980_GK_CM_129E

    2348 Xian_1980_GK_CM_135E

    2349 Xian_1980_3_Degree_GK_Zone_25

    2350 Xian_1980_3_Degree_GK_Zone_26

    2351 Xian_1980_3_Degree_GK_Zone_27

    2352 Xian_1980_3_Degree_GK_Zone_28

    2353 Xian_1980_3_Degree_GK_Zone_29

    2354 Xian_1980_3_Degree_GK_Zone_30

    2355 Xian_1980_3_Degree_GK_Zone_31

    2356 Xian_1980_3_Degree_GK_Zone_32

    2357 Xian_1980_3_Degree_GK_Zone_33

    2358 Xian_1980_3_Degree_GK_Zone_34

    2359 Xian_1980_3_Degree_GK_Zone_35

    2360 Xian_1980_3_Degree_GK_Zone_36

    2361 Xian_1980_3_Degree_GK_Zone_37

    2362 Xian_1980_3_Degree_GK_Zone_38

    2363 Xian_1980_3_Degree_GK_Zone_39

    2364 Xian_1980_3_Degree_GK_Zone_40

    2365 Xian_1980_3_Degree_GK_Zone_41

    2366 Xian_1980_3_Degree_GK_Zone_42

    2367 Xian_1980_3_Degree_GK_Zone_43

    2368 Xian_1980_3_Degree_GK_Zone_44

    2369 Xian_1980_3_Degree_GK_Zone_45

    2370 Xian_1980_3_Degree_GK_CM_75E

    2371 Xian_1980_3_Degree_GK_CM_78E

    2372 Xian_1980_3_Degree_GK_CM_81E

    2373 Xian_1980_3_Degree_GK_CM_84E

    2374 Xian_1980_3_Degree_GK_CM_87E

    2375 Xian_1980_3_Degree_GK_CM_90E

    2376 Xian_1980_3_Degree_GK_CM_93E

    2377 Xian_1980_3_Degree_GK_CM_96E

    2378 Xian_1980_3_Degree_GK_CM_99E

    2379 Xian_1980_3_Degree_GK_CM_102E

    2380 Xian_1980_3_Degree_GK_CM_105E

    2381 Xian_1980_3_Degree_GK_CM_108E

    2382 Xian_1980_3_Degree_GK_CM_111E

    2383 Xian_1980_3_Degree_GK_CM_114E

    2384 Xian_1980_3_Degree_GK_CM_117E

    2385 Xian_1980_3_Degree_GK_CM_120E

    2386 Xian_1980_3_Degree_GK_CM_123E

    2387 Xian_1980_3_Degree_GK_CM_126E

    2388 Xian_1980_3_Degree_GK_CM_129E

    2389 Xian_1980_3_Degree_GK_CM_132E

    2390 Xian_1980_3_Degree_GK_CM_135E





    2401 Beijing_1954_3_Degree_GK_Zone_25

    2402 Beijing_1954_3_Degree_GK_Zone_26

    2403 Beijing_1954_3_Degree_GK_Zone_27

    2404 Beijing_1954_3_Degree_GK_Zone_28

    2405 Beijing_1954_3_Degree_GK_Zone_29

    2406 Beijing_1954_3_Degree_GK_Zone_30

    2407 Beijing_1954_3_Degree_GK_Zone_31

    2408 Beijing_1954_3_Degree_GK_Zone_32

    2409 Beijing_1954_3_Degree_GK_Zone_33

    2410 Beijing_1954_3_Degree_GK_Zone_34

    2411 Beijing_1954_3_Degree_GK_Zone_35

    2412 Beijing_1954_3_Degree_GK_Zone_36

    2413 Beijing_1954_3_Degree_GK_Zone_37

    2414 Beijing_1954_3_Degree_GK_Zone_38

    2415 Beijing_1954_3_Degree_GK_Zone_39

    2416 Beijing_1954_3_Degree_GK_Zone_40

    2417 Beijing_1954_3_Degree_GK_Zone_41

    2418 Beijing_1954_3_Degree_GK_Zone_42

    2419 Beijing_1954_3_Degree_GK_Zone_43

    2420 Beijing_1954_3_Degree_GK_Zone_44

    2421 Beijing_1954_3_Degree_GK_Zone_45

    2422 Beijing_1954_3_Degree_GK_CM_75E

    2423 Beijing_1954_3_Degree_GK_CM_78E

    2424 Beijing_1954_3_Degree_GK_CM_81E

    2425 Beijing_1954_3_Degree_GK_CM_84E

    2426 Beijing_1954_3_Degree_GK_CM_87E

    2427 Beijing_1954_3_Degree_GK_CM_90E

    2428 Beijing_1954_3_Degree_GK_CM_93E

    2429 Beijing_1954_3_Degree_GK_CM_96E

    2430 Beijing_1954_3_Degree_GK_CM_99E

    2431 Beijing_1954_3_Degree_GK_CM_102E

    2432 Beijing_1954_3_Degree_GK_CM_105E

    2433 Beijing_1954_3_Degree_GK_CM_108E

    2434 Beijing_1954_3_Degree_GK_CM_111E

    2435 Beijing_1954_3_Degree_GK_CM_114E

    2436 Beijing_1954_3_Degree_GK_CM_117E

    2437 Beijing_1954_3_Degree_GK_CM_120E

    2438 Beijing_1954_3_Degree_GK_CM_123E

    2439 Beijing_1954_3_Degree_GK_CM_126E

    2440 Beijing_1954_3_Degree_GK_CM_129E

    2441 Beijing_1954_3_Degree_GK_CM_132E

    2442 Beijing_1954_3_Degree_GK_CM_135E



    21413 Beijing_1954_GK_Zone_13

    21414 Beijing_1954_GK_Zone_14

    21415 Beijing_1954_GK_Zone_15

    21416 Beijing_1954_GK_Zone_16

    21417 Beijing_1954_GK_Zone_17

    21418 Beijing_1954_GK_Zone_18

    21419 Beijing_1954_GK_Zone_19

    21420 Beijing_1954_GK_Zone_20

    21421 Beijing_1954_GK_Zone_21

    21422 Beijing_1954_GK_Zone_22

    21423 Beijing_1954_GK_Zone_23

    21473 Beijing_1954_GK_Zone_13N

    21474 Beijing_1954_GK_Zone_14N

    21475 Beijing_1954_GK_Zone_15N

    21476 Beijing_1954_GK_Zone_16N

    21477 Beijing_1954_GK_Zone_17N

    21478 Beijing_1954_GK_Zone_18N

    21479 Beijing_1954_GK_Zone_19N

    21480 Beijing_1954_GK_Zone_20N

    21481 Beijing_1954_GK_Zone_21N

    21482 Beijing_1954_GK_Zone_22N

    21483 Beijing_1954_GK_Zone_23N


    EPSG:3857 EPSG为 Web Wercator 最终设立的WKID
    3395  WGS_1984_World_Mercator
    2019071114580265.png
    20190711145816474.png
    bj54.jpg
    xian1.png
    xian2.png
  • TA的每日心情
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    2020-3-20 17:50
  • 签到天数: 1 天

    [LV.1]初来乍到

     楼主| 发表于 2020-3-17 10:51:04 | 显示全部楼层
    本帖最后由 liyihongcug 于 2020-3-17 15:09 编辑

    地中央经线经度的计算 :
    方法一: 六度带中央经线经度的计算: 当地中央经线经度=6°×当地带号-3° 例如:地形图上的横坐标为20345,其所处的六度带的中央 经线经度为:6°×20-3°=117°(适用于1∶2.5万和 1∶5万地形图) 。 三度带中央经线经度的计算:中央经线经度=3°×当地带号 (适用于1∶1万地形图) 。
    方法二: 将当地经度的整数部分除以 6,再取商的整数部分加上 l,再将 所得结果乘以 6 后减 3,就可以得到当地的中央经线值。
    源码自己编译解决问题
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