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

1
123.173409,46.244553
123.143649,46.258048
122.992868,46.440795
123.00023,46.568863
123.051929,46.610815
123.244251,46.596262
123.261623,46.650947
123.443112,46.692943
123.606494,46.707073
123.642951,46.73053
123.610463,46.836863
123.564143,46.831215
123.497079,46.823315
123.487447,46.937134
123.315409,46.991545
123.304086,46.965111
123.372303,46.876114
123.184658,46.831738
123.176078,46.765856
123.043113,46.723781
122.980562,46.760261
122.885256,46.834457
122.90272,46.932926
122.818993,46.927109
122.766671,46.985187
122.82772,47.037334
122.803331,47.078062
122.63172,47.126337
122.538403,47.184165
122.523906,47.221792
122.398134,47.337361
122.456845,47.376249
122.521075,47.503649
122.581941,47.56049
122.797479,47.662022
122.890621,47.687753
123.100192,47.793106
123.266627,47.954123
123.331813,47.982343
123.53859,48.027693
123.639937,48.096705
123.738881,48.195931
123.855293,48.26937
124.014105,48.393483
124.257048,48.542318
124.299051,48.513548
124.327912,48.428052
124.329293,48.324471
124.422374,48.232917
124.418497,48.187787
124.507194,48.131813
124.552955,48.209929
124.573464,48.304566
124.517729,48.377074
124.522626,48.547539
124.604099,48.640172
124.613078,48.744933
124.68259,48.837397
124.735525,48.965688
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124.808888,49.102789
124.890038,49.179456
125.135953,49.14322
125.204902,49.206524
125.243076,49.352626
125.240311,49.456923
125.187244,49.538631
125.227738,49.540213
125.125269,49.662885
125.214084,49.658794
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125.198797,49.815904
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125.174694,49.957188
125.247341,49.969549
125.25953,50.035499
125.280794,50.125011
125.383641,50.140414
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125.549665,50.360107
125.531919,50.4221
125.628037,50.443443
125.763841,50.527464
125.823562,50.568767
125.791259,50.676254
125.821349,50.709656
125.757261,50.743889
125.828278,50.756957
125.950736,50.892422
125.991393,50.87384
126.06962,50.961588
126.048974,51.042982
125.863186,51.141393
125.836859,51.214382
125.761105,51.255276
125.642526,51.359304
125.574844,51.45026
125.304546,51.632866
125.056825,51.647641
125.058428,51.574607
124.932407,51.507477
124.853111,51.418734
124.743351,51.394995
124.702635,51.343507
124.528084,51.37879
124.426518,51.371501
124.387444,51.281717
124.333428,51.275025
124.160466,51.355032
123.923679,51.351979
123.721134,51.399163
123.643507,51.319682
123.465727,51.290914
123.408759,51.271295
123.284402,51.256824
123.085573,51.305399
123.003651,51.304234
122.941799,51.33646
122.902512,51.40451
122.850461,51.460734
122.885527,51.523482
122.834405,51.570602
122.817654,51.640897
122.766102,51.715702
122.76663,51.768984
122.711799,51.894657
122.721046,51.965583
122.687877,52.018112
122.612748,52.095007
122.616927,52.130622
122.732697,52.15737
122.784165,52.226869
122.737424,52.266061
122.549025,52.263384
122.436995,52.312491
122.360651,52.388936
122.267823,52.464376
122.22275,52.468237
122.166499,52.508954
122.128461,52.498308
122.116613,52.446665
122.07722,52.399855
121.973017,52.322231
121.873024,52.289679
121.809877,52.291943
121.714624,52.332149
121.692961,52.419224
121.596174,52.459479
121.478997,52.481354
121.381521,52.541376
121.296998,52.57135
121.199234,52.573962
121.198217,52.600575
121.260062,52.625456
121.405317,52.739786
121.480808,52.775455
121.630549,52.891705
121.70495,52.994014
121.818516,53.053384
121.686925,53.185873
121.681304,53.229047
121.564349,53.283934
121.518557,53.340724
END
2
121.518557,53.340724
121.690291,53.388784
121.738321,53.38631
121.815831,53.414704
121.969201,53.429363
122.076573,53.420926
122.147163,53.469166
122.215165,53.46103
122.253626,53.468423
122.30592,53.495688
122.34062,53.491746
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122.483193,53.455959
122.522372,53.452807
122.643058,53.462395
122.728251,53.461711
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122.881147,53.46123
123.038075,53.510995
123.12248,53.500072
123.167389,53.517333
123.204515,53.551161
123.257564,53.560642
123.379889,53.53246
123.442864,53.530096
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123.522363,53.552959
123.538853,53.530777
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123.533465,53.494227
123.562771,53.508972
123.586157,53.546953
123.65004,53.525964
123.678389,53.489037
123.719087,53.497138
123.792475,53.48568
123.844989,53.488501
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124.209304,53.367733
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124.715862,53.156224
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125.123599,53.197175
125.201428,53.189162
125.297437,53.148226
125.411677,53.120265
125.48267,53.090085
125.508976,53.046193
125.580275,53.080497
125.613365,53.069132
125.68274,53.000186
125.736993,52.984279
125.723003,52.933888
125.663276,52.915717
125.652244,52.892341
125.672782,52.856586
125.775149,52.894665
125.833125,52.895006
125.849729,52.859931
125.968331,52.760598
126.059482,52.794462
126.113415,52.763607
126.095051,52.747453
126.04297,52.738518
126.065928,52.690091
126.050387,52.668106
126.005112,52.670633
125.971046,52.656554
125.96611,52.622312
125.997405,52.585056
126.033562,52.582489
126.070475,52.599921
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126.259116,52.468679
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126.354187,52.36343
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126.420891,52.291732
126.426371,52.274127
126.349181,52.254651
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126.436172,52.175544
126.550601,52.129933
126.55833,52.109003
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