var num pointxy{98}:=[
0, 0,
5, 0,
10, 0,
15, 0,
20, 0,
25, 0,
30, 0,
35, 0,
40, 0,
45, 0,
50, 0,
55, 0,
60, 0,
65, 0,
70, 0,
75, 0,
80, 0,
85, 0,
90, 0,
95, 0,
100, 0,
105, 0,
110, 0,
115, 0,
120, 0,
0, 5,
120, 5,
0, 10,
120, 10,
0, 15,
120, 15,
0, 20,
120, 20,
0, 25,
120, 25,
0, 30,
120, 30,
0, 35,
120, 35,
0, 40,
120, 40,
0, 45,
120, 45,
0, 50,
120, 50,
0, 55,
120, 55,
0, 60,
120, 60
];
这是自动求出的坐标数据
就差最后一步:如何删除不要的坐标点,如何让坐标点有序分类?