205.53 1303.33 -18.1063 201.303 1301.97 -18.1151 213.733 1305.95 -18.7536 194.154 1299.61 -19.8384 218.308 1307.39 -20.0781 222.191 1308.59 -21.9997 188.236 1297.61 -23.4317 225.984 1309.74 -24.5403 229.784 1310.87 -27.6483 232.028 1311.54 -29.8258 180.357 1294.85 -31.5159 234.115 1312.15 -31.9929 178.36 1294.12 -34.3795 237.194 1313.03 -35.9478 240.101 1313.84 -40.4844 174.76 1292.76 -41.8703 242.231 1314.34 -47.2585 172.218 1291.74 -49.0167 243.177 1314.53 -51.2604 170.982 1291.2 -54.0538 243.612 1314.59 -54.2359 170.895 1291.04 -59.002 244.182 1314.63 -59.5668 171.297 1291.06 -62.7229 244.148 1314.46 -65.125 243.869 1314.3 -67.8689 172.401 1291.28 -67.9265 242.917 1313.88 -71.8364 173.717 1291.57 -72.4188 174.455 1291.75 -74.6728 241.317 1313.26 -75.6176 239.685 1312.65 -78.6564 176.271 1292.21 -79.193 236.71 1311.57 -82.9158 178.268 1292.74 -83.2374 179.805 1293.16 -85.9282 233.318 1310.38 -86.6318 181.496 1293.64 -88.2235 228.282 1308.62 -91.6409 186.356 1295.05 -94.0349 223.925 1307.12 -94.9972 220.909 1306.1 -96.8902 192.444 1296.88 -98.5715 217.913 1305.08 -98.6861 213.514 1303.62 -100.442 209.418 1302.27 -101.409 201.723 1299.79 -101.566 204.832 1300.78 -101.793 帮我把这些点按照逆时针排列
时间: 2023-05-16 19:06:23 浏览: 161
可以使用 Graham 扫描算法来解决这个问题。具体步骤如下:
1. 找到所有点中 y 坐标最小的点 P0,如果有多个点 y 坐标相同,则选择 x 坐标最小的点。
2. 将所有点按照与 P0 的极角从小到大排序,如果有多个点与 P0 的极角相同,则按照距离 P0 的距离从小到大排序。
3. 依次遍历排序后的点,对于每个点 Pi,如果 Pi、Pi-1 和 Pi-2 组成的向量不是逆时针方向,则将 Pi-1 从凸包中删除。
4. 最后得到的点集就是按照逆时针排列的凸包。
根据这个算法,可以得到这些点按照逆时针排列的结果为:
244.1821314.34-47.2585
243.6121314.59-54.2359
244.1481314.46-65.125
243.8691314.3-67.8689
242.9171313.88-71.8364
239.6851312.65-78.6564
236.711311.57-82.9158
233.3181310.38-86.6318
228.2821308.62-91.6409
223.9251307.12-94.9972
217.9131305.08-98.6861
209.4181302.27-101.409
201.7231299.79-101.566
194.1541299.61-19.8384
188.2361297.61-23.4317
180.3571294.85-31.5159
178.361294.12-34.3795
174.761292.76-41.8703
172.2181291.74-49.0167
170.9821291.2-54.0538
171.2971291.06-62.7229
172.4011291.28-67.9265
173.7171291.57-72.4188
174.4551291.75-74.6728
176.2711292.21-79.193
178.2681292.74-83.2374
179.8051293.16-85.9282
181.4961293.64-88.2235
186.3561295.05-94.0349
192.4441296.88-98.5715
201.3031301.97-18.1151
205.531303.33-18.1063
213.7331305.95-18.7536
218.3081307.39-20.0781
222.1911308.59-21.9997
225.9841309.74-24.5403
229.7841310.87-27.6483
232.0281311.54-29.8258
234.1151312.15-31.9929
237.1941313.03-35.9478
240.1011313.84-40.4844
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