三维坐标的转换与倒悬体的处理方法 - 图文

三维坐标的转换与倒悬体的处理方法 （1）大地原始坐标表（表1） 点号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Y 6460.767 6462.888 6462.747 6461.740 6462.254 6461.269 6462.660 6462.046 6461.128 6462.868 6461.744 6462.201 6462.481 6462.827 6461.379 6460.623 6461.140 6460.357 6462.632 6460.926 6461.109 6460.275 6460.166 6460.992 6461.483 6461.757 6461.897 6462.057 6462.377 6462.642 6459.825 6460.011 6460.414 6460.675 6460.991 6461.220 6461.391 6461.654 X 6889.731 6892.630 6892.461 6890.943 6891.787 6890.432 6892.499 6891.764 6891.081 6892.960 6891.423 6891.796 6892.160 6892.780 6891.395 6890.311 6891.050 6890.049 6892.579 6890.819 6891.091 6889.900 6889.820 6890.834 6891.438 6891.713 6892.011 6892.300 6892.481 6892.942 6889.700 6889.872 6890.243 6890.481 6890.697 6890.993 6891.267 6891.638 H 334.099 334.028 334.013 334.003 334.003 333.990 333.047 333.034 333.002 332.940 332.717 332.661 332.582 332.574 332.518 332.436 332.413 332.339 332.310 332.297 332.027 332.026 332.021 331.886 331.846 331.813 331.813 331.813 331.810 331.810 331.533 331.531 331.510 331.497 331.494 331.493 331.493 331.491 点号 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 Y 6461.921 6462.375 6462.618 6462.789 6462.145 6461.912 6461.214 6463.063 6459.858 6460.080 6460.474 6460.837 6461.245 6461.073 6461.401 6461.903 6462.755 6462.493 6462.286 6462.632 6460.412 6461.218 6461.803 6461.573 6461.727 6460.198 6462.285 6462.318 6459.444 6459.682 6460.982 6460.806 6459.340 6459.850 6460.145 6460.698 6461.073 6462.044 X 6892.005 6892.317 6892.658 6892.932 6891.742 6891.492 6891.144 6892.910 6889.838 6890.037 6890.305 6890.428 6890.919 6890.654 6891.126 6891.227 6892.490 6891.850 6891.452 6892.114 6890.463 6891.101 6891.756 6891.264 6891.526 6890.253 6892.594 6892.927 6889.776 6889.997 6890.887 6890.654 6889.964 6890.368 6890.647 6891.037 6891.207 6892.693 H 331.490 331.485 331.483 331.483 331.257 331.172 331.032 331.006 331.000 330.997 330.993 330.985 330.981 330.981 330.980 330.967 330.961 330.959 330.959 330.958 330.449 330.405 330.395 330.394 330.394 330.391 330.390 330.389 330.386 330.374 330.374 330.371 330.076 330.073 330.071 330.067 330.063 330.061 注明：此坐标表为某电站的开挖基础面坐标，此大坝坐标原点

（6962.355，6458.209），方向点（6762.786，6682.201），方位角为131.699916度。

（2）将大地原始坐标平移至（0，0），再逆时针旋转（131.699916度）后的施工坐标（表2） 点号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Y 52.522 48.947 49.167 50.970 49.998 51.665 49.196 50.154 51.274 48.714 50.609 50.027 49.568 48.875 50.873 52.185 51.289 52.558 49.155 51.604 51.279 52.723 52.856 51.549 50.771 50.384 50.068 49.746 49.398 48.878 53.172 52.920 52.375 52.023 51.652 51.279 X 50.222 49.877 49.884 50.142 49.964 50.130 49.794 49.824 49.593 49.642 49.825 49.918 49.885 49.731 49.572 49.728 49.623 49.704 49.719 49.616 49.572 49.742 49.714 49.656 49.621 49.642 49.548 49.476 49.594 49.485 49.539 49.563 49.617 49.654 49.746 49.720 H 334.099 334.028 334.013 334.003 334.003 333.990 333.047 333.034 333.002 332.940 332.717 332.661 332.582 332.574 332.518 332.436 332.413 332.339 332.310 332.297 332.027 332.026 332.021 331.886 331.846 331.813 331.813 331.813 331.810 331.810 331.533 331.531 331.510 331.497 331.494 331.493 点号 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 Y 50.057 49.522 49.106 48.787 50.104 50.446 51.170 48.621 53.047 52.751 52.289 51.955 51.317 51.630 51.059 50.650 49.140 49.792 50.227 49.502 52.212 51.199 50.321 50.841 50.543 52.511 49.375 49.104 53.369 53.045 51.516 51.807 53.298 52.657 52.252 51.593 X 49.570 49.702 49.656 49.602 49.913 49.905 49.615 49.821 49.472 49.505 49.621 49.810 49.788 49.836 49.767 50.075 49.870 50.101 50.211 50.029 49.470 49.647 49.648 49.804 49.744 49.449 49.450 49.253 49.204 49.234 49.613 49.637 49.001 49.113 49.148 49.301 H 331.490 331.485 331.483 331.483 331.257 331.172 331.032 331.006 331.000 330.997 330.993 330.985 330.981 330.981 330.980 330.967 330.961 330.959 330.959 330.958 330.449 330.405 330.395 330.394 330.394 330.391 330.390 330.389 330.386 330.374 330.374 330.371 330.076 330.073 330.071 330.067 37 38 50.960 50.508 49.666 49.615 331.493 331.491 75 76 51.217 49.461 49.468 49.205 330.063 330.061 （3）以（0，0）为坐标原点，将X坐标与H坐标对换，Y坐标固定不变（为坐标轴），变换后的坐标表如下：（表3）

点号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Y 52.522 48.947 49.167 50.970 49.998 51.665 49.196 50.154 51.274 48.714 50.609 50.027 49.568 48.875 50.873 52.185 51.289 52.558 49.155 51.604 51.279 52.723 52.856 51.549 50.771 50.384 50.068 49.746 49.398 48.878 53.172 52.920 52.375 52.023 51.652 51.279 50.960 X 334.099 334.028 334.013 334.003 334.003 333.990 333.047 333.034 333.002 332.940 332.717 332.661 332.582 332.574 332.518 332.436 332.413 332.339 332.310 332.297 332.027 332.026 332.021 331.886 331.846 331.813 331.813 331.813 331.810 331.810 331.533 331.531 331.510 331.497 331.494 331.493 331.493 H 50.222 49.877 49.884 50.142 49.964 50.130 49.794 49.824 49.593 49.642 49.825 49.918 49.885 49.731 49.572 49.728 49.623 49.704 49.719 49.616 49.572 49.742 49.714 49.656 49.621 49.642 49.548 49.476 49.594 49.485 49.539 49.563 49.617 49.654 49.746 49.720 49.666 点号 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 Y 50.057 49.522 49.106 48.787 50.104 50.446 51.170 48.621 53.047 52.751 52.289 51.955 51.317 51.630 51.059 50.650 49.140 49.792 50.227 49.502 52.212 51.199 50.321 50.841 50.543 52.511 49.375 49.104 53.369 53.045 51.516 51.807 53.298 52.657 52.252 51.593 51.217 X 331.490 331.485 331.483 331.483 331.257 331.172 331.032 331.006 331.000 330.997 330.993 330.985 330.981 330.981 330.980 330.967 330.961 330.959 330.959 330.958 330.449 330.405 330.395 330.394 330.394 330.391 330.390 330.389 330.386 330.374 330.374 330.371 330.076 330.073 330.071 330.067 330.063 H 49.570 49.702 49.656 49.602 49.913 49.905 49.615 49.821 49.472 49.505 49.621 49.810 49.788 49.836 49.767 50.075 49.870 50.101 50.211 50.029 49.470 49.647 49.648 49.804 49.744 49.449 49.450 49.253 49.204 49.234 49.613 49.637 49.001 49.113 49.148 49.301 49.468 38 50.508 331.491 49.615 76 49.461 330.061 49.205 （4）将表3的数据展点到南方CASS中成图，并组建三角网，绘制等高线。 （5）剖断面

（6）断面线处理（将断面线顺时针旋转131.699916度后，平移至原始地形图上，并对照断面线与等高线是否相符合） （7）附图（原始地形图）

典型倒悬区域

本文来源：https://www.bwwdw.com/article/u3lh.html