china_arc.gen.txt

道格拉斯数据压缩算法。 算法特征：1.在不扰乱拓扑关系的前提下

99.016284,42.603946
99.496133,42.569923
99.994894,42.647452
100.282552,42.630634
100.32634,42.683165
100.825429,42.656787
100.911475,42.645104
101.816734,42.473449
102.063231,42.218516
102.414507,42.140317
102.537457,42.146194
102.738984,42.134006
102.975922,42.025866
103.322046,41.907345
103.862352,41.807729
104.024884,41.810858
104.125832,41.828786
104.543734,41.883645
104.534,41.66248
104.707649,41.644955
104.944852,41.645161
105.034454,41.567495
105.265411,41.738554
105.30584,41.734431
105.563597,41.857922
105.801762,41.957447
106.009226,42.018146
106.683676,42.259234
106.976857,42.311117
107.266523,42.356507
107.294973,42.40706
107.452883,42.461674
107.519925,42.46582
107.554288,42.426788
107.912497,42.411858
108.033564,42.441177
108.238632,42.461792
108.292283,42.439278
108.525443,42.455181
108.78247,42.409579
108.811508,42.387172
108.968402,42.456373
109.010923,42.442394
109.23872,42.42942
109.34896,42.438056
109.547595,42.471507
109.834843,42.6248
109.969673,42.639342
110.143726,42.636637
110.416668,42.768728
110.449262,42.797322
110.452543,42.858395
110.622102,42.929792
110.697896,43.022965
110.702634,43.056271
110.814437,43.129902
110.977254,43.288797
111.047186,43.34324
111.202044,43.397835
111.371467,43.440685
111.438517,43.473235
111.528156,43.477823
111.612144,43.51214
111.711725,43.618222
111.754123,43.690567
111.954628,43.73064
112.015749,43.791102
112.002886,43.819856
111.851591,43.993366
111.805706,44.015427
111.670655,44.034382
111.583336,44.102916
111.50659,44.188388
111.451358,44.28354
111.394121,44.321432
111.388011,44.392709
111.414265,44.447204
111.465603,44.498466
111.517004,44.588667
111.559976,44.722951
111.666943,44.853821
111.740674,44.961854
111.833321,45.048236
111.933102,45.087491
111.976285,45.089829
112.198795,45.067998
112.415741,45.061345
112.51263,45.014527
112.555029,44.965963
112.666122,44.904539
112.741952,44.874521
112.900558,44.864916
112.967149,44.837496
113.12115,44.799356
113.243042,44.788634
113.496223,44.792451
113.576538,44.755181
113.675067,44.775827
113.796852,44.850625
113.938312,44.900044
114.048941,44.951602
114.305762,45.123455
114.379609,45.165055
114.4892,45.286144
114.506733,45.363371
114.548911,45.39815
114.752171,45.452863
114.914094,45.40751
115.00027,45.40153
115.00027,45.364942
115.217256,45.389507
115.339421,45.382848
115.621137,45.43629
115.732856,45.446224
115.76558,45.502704
115.84232,45.542731
115.934516,45.611589
116.089663,45.682603
116.198463,45.686002
116.273752,45.760925
116.284921,45.827739
116.255441,45.881942
116.262254,45.949976
116.364735,46.067515
116.494668,46.189374
116.555164,46.235295
116.605535,46.296799
116.764711,46.315531
116.861692,46.380805
116.939184,46.350982
117.113406,46.349429
117.23349,46.358237
117.371806,46.354567
117.374911,46.431074
117.438742,46.517755
117.433195,46.574753
117.515343,46.584418
117.61587,46.58017
117.635249,46.5326
117.701413,46.507657
117.852395,46.53186
117.880267,46.577086
118.041465,46.630048
118.073273,46.666531
118.207584,46.733046
118.258437,46.736913
118.270414,46.787351
118.45165,46.779533
118.500663,46.807277
118.562972,46.768886
118.641176,46.768044
118.670756,46.804265
118.801855,46.781157
118.936221,46.819319
119.029927,46.778125
119.094329,46.780234
119.088835,46.742663
119.126632,46.720342
119.212359,46.734147
119.404096,46.633406
119.455406,46.551842
119.406148,46.536529
119.403243,46.454728
119.513671,46.419212
119.511162,46.460689
119.5694,46.492838
119.605784,46.556189
119.680869,46.577674
119.774834,46.621769
119.82329,46.6909
119.921133,46.743279
119.873289,46.844482
119.80431,46.922958
119.816907,46.986958
119.789936,47.034683
119.832716,47.030273
119.825818,47.081299
119.851066,47.101329
119.792966,47.124716
119.701768,47.192847
119.784223,47.20751
119.813619,47.154319
119.867812,47.165416
119.827528,47.262374
119.781721,47.298377
119.716526,47.320779
119.637086,47.317583
119.560012,47.347437
119.475521,47.335945
119.322327,47.436576
119.336595,47.531084
119.296745,47.546484
119.188246,47.518245
119.152073,47.539248
119.157972,47.572639
119.124441,47.703006
118.818669,47.788412
118.746072,47.824652
118.669731,47.881469
118.478999,47.999782
118.253293,48.001705
118.170551,48.032074
118.067573,48.039284
118.026572,48.028095
117.899637,48.033436
117.760062,47.989975
117.556938,47.788721
117.470288,47.750221
117.40903,47.664343
117.374764,47.637839
117.292923,47.696373
117.19293,47.749844
117.108537,47.809528
116.949904,47.86829
116.827112,47.898186
116.642506,47.890144
116.538081,47.848657
116.45021,47.842607
116.256585,47.876454
116.137977,47.835219
115.949676,47.678911
115.915993,47.685282
115.817289,47.765509
115.66185,47.867238
115.554074,47.948118
115.476962,47.968378
115.462917,47.999788
115.5501,47.999788
115.506567,48.163927
115.51518,48.183711
115.812811,48.261304
115.83445,48.33664
115.810912,48.497124
115.821854,48.531483
116.111284,48.792422
116.118471,48.810367
116.053299,48.876755
116.418561,49.432901
116.460105,49.47925
116.700622,49.839618
116.933738,49.724969
117.27462,49.631337
117.478842,49.628158
117.723371,49.541697
117.842393,49.506712
117.98705,49.58353
118.018705,49.613281
118.098298,49.633688
118.207959,49.693697
118.22807,49.72701
118.30552,49.765242
118.379846,49.775897
118.387157,49.823842
118.417049,49.81487
118.486654,49.839982
118.549378,49.914633
118.671193,49.948155
118.737952,49.945363
118.970181,49.981672
119.073991,49.983555
119.117739,50.012974
119.197896,50.011867
119.322273,50.104359
119.319085,50.131776
119.364222,50.174725
119.316805,50.276977
119.367976,50.311711
119.346012,50.346595
119.233474,50.339393
119.116709,50.384529
119.150023,50.414659
119.204275,50.409502
119.252503,50.480798
119.273905,50.601534
119.375394,50.663029
119.480738,50.739251
119.506342,50.788545
119.48942,50.83917
119.511311,50.900804
119.616089,51.004953
119.687029,51.018903
119.707774,51.069783
119.749866,51.1004
119.773176,51.171221
119.757337,51.210588
119.809988,51.225641
119.788131,51.249163
119.82093,51.292386
119.868172,51.297215
119.880014,51.341223
119.93021,51.360109
119.906084,51.391306
119.954373,51.405526
119.98782,51.452471
119.971378,51.490583
120.043617,51.552354
120.037293,51.596259
120.096963,51.646811
120.092958,51.67696
120.174916,51.681403
120.319176,51.784697
120.399884,51.811469
120.496063,51.887714
120.538934,51.878897
120.557704,51.911929
120.646833,51.927993
120.708229,51.997675
120.680121,52.042918
120.76169,52.112231
120.778636,52.158157
120.737031,52.206788
120.756799,52.244259
120.618599,52.314813
120.641769,52.382513
120.680018,52.429513
120.681078,52.511611
120.720119,52.528573
120.584136,52.59391
120.541242,52.596941
120.452954,52.641091
120.37191,52.614884
120.270865,52.619461
120.182818,52.576515
120.061661,52.583854
120.025199,52.64401
120.056032,52.704613
120.025054,52.759439
120.115711,52.806657
120.17191,52.808543
120.194654,52.834969
120.280891,52.866087
120.340067,52.934522
120.404179,52.96143
120.426304,52.996008
120.490714,53.029462
120.529734,53.071148
120.619343,53.099358
120.686477,53.155997
120.681349,53.173476
120.82787,53.242606
120.814372,53.263347
120.877202,53.286824
121.040865,53.286391
121.070622,53.301656
121.114064,53.275984
121.21898,53.281081
121.318804,53.32179
121.439278,53.322867
121.518557,53.340724
END
8
123.700646,43.372393
123.641684,43.265132
123.647407,43.157477
123.573575,43.008235
123.494719,43.032967
123.232157,42.984436
123.181765,42.932305
123.172916,42.851179
123.223665,42.830876
122.955439,42.75507
122.893351,42.766913
122.827251,42.722583
122.729241,42.781208
122.631354,42.776291
122.544752,42.82215
122.37759,42.845174
122.36054,42.786667
122.437746,42.744982
122.382891,42.679816
122.299983,42.680585
122.192935,42.729779
122.151118,42.680875
122.060891,42.713914
121.922184,42.666607
121.914872,42.590009
121.761367,42.464674
121.66382,42.431368
121.593391,42.50891
121.306155,42.440624
121.158339,42.317852
121.015615,42.249721
120.915182,42.271945
120.745054,42.215848
120.627798,42.156592
120.480008,42.114462
120.501884,42.048791
120.427818,41.985768
120.353853,41.976812
120.27779,41.924714
120.16212,41.813336
120.091308,41.691194
120.041983,41.723736
120.046685,41.792492
119.944941,41.977237
119.837098,42.106354
119.846991,42.211588
119.649826,42.231518
119.56845,42.286918
119.527038,42.364601
119.407386,42.298946
119.271916,42.25119
119.239947,42.182447
119.377889,42.092821
119.369459,42.015529
119.32854,41.967595
119.313197,41.810999
119.291566,41.700242
119.333894,41.61099
119.402161,41.574939
119.356322,41.548949
119.392234,41.499695
119.308531,41.370905
119.300588,41.323188
119.225443,41.300494
END
9
131.301535,43.45973
131.28871,43.440393
131.297088,43.413805
131.306442,43.392496
131.266569,43.363573
131.259411,43.313347
131.259732,43.288161
131.236233,43.252675
131.206738,43.231931
131.190561,43.20067
131.203168,43.173726
131.19842,43.162717
131.205014,43.142961
131.190255,43.121875
131.152261,43.093645
131.137596,43.071922
131.116219,43.063636
131.109778,43.038017
131.097265,43.020206
131.100715,42.990802
131.109611,42.966157
131.135489,42.957715
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131.09676,42.910691
131.048284,42.914019
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