pghazard.dat

采用三角化的方法基于mapinfo的等值线算法例子。

 39.90 116.40  0.0
 39.10 117.20  1.0
 38.00 114.40  3.0
 37.90 112.50  3.0
 40.80 111.70  3.0
 41.20 123.20  2.0
 43.90 125.20  0.0
 45.70 126.00  2.0
 31.30 121.50  1.0
 32.10 118.80  3.0
 30.30 120.20  3.0
 31.90 117.30  3.0
 26.10 119.30  4.0
 28.70 115.90  3.0
 36.60 117.00  3.0
 34.70 113.60  3.0
 30.50 114.30  3.0
 28.20 113.00  4.0
 23.10 113.30  3.0
 22.80 108.30  3.0
 30.70 104.10  4.0
 26.60 106.70  3.0
 25.10 102.70  4.0
 34.20 108.90  3.0
 36.00 103.80  3.0
 36.60 101.70  3.0
 38.50 106.30  2.0
 43.70  87.70  2.0