-
Notifications
You must be signed in to change notification settings - Fork 8
/
Copy pathcontour.html
152 lines (123 loc) · 3.11 KB
/
contour.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
<!doctype html>
<html>
<head>
<meta charset='utf-8'>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<title> Javascript绘制等值线</title>
<style>
*{
margin:0;
padding:0;
}
html,body {
height:100%;
}
#container {
position:relative;
height:100%;
}
#tips{
height:10%;
overflow:hidden;
}
#tips h2{
color:blue;
margin:20px;
}
#map_canvas {
height:90%;
width:100%;
}
</style>
<script src='https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js'></script>
<script src='Contour.js'></script>
<script src='diamond4.js'></script>
<script type="text/javascript"
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAUKAs1-DrqpqSWrithelhbPXVFAQbxCCA&libraries=drawing&v=weekly">
</script>
<script type="text/javascript">
$(function(){
//initialize_map()
var latlng = new google.maps.LatLng(34.397, 115.644);
var myOptions = {
zoom: 6,
center: latlng,
mapTypeId: google.maps.MapTypeId.TERRAIN
};
window.map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
for(var lat=10; lat <= 80; lat += 2.5){
var flightPath = new google.maps.Polyline({
path: [new google.maps.LatLng(lat, 30), new google.maps.LatLng(lat, 160)],
strokeColor: "#666666",
strokeOpacity: 0.8,
strokeWeight: 1
});
flightPath.setMap(map);
}
for(var lon = 30; lon <=160; lon += 2.5){
var flightPath = new google.maps.Polyline({
path: [new google.maps.LatLng(10, lon), new google.maps.LatLng(80, lon)],
strokeColor: "#666666",
strokeOpacity: 0.8,
strokeWeight: 1
});
flightPath.setMap(map);
}
})
</script>
<script>
$(function(){
if (!window.FileReader){
$('#container').text('你的浏览器不支持拖放操作啊，同学!');
return;
}
$('#container').on({
'dragenter': function(){//处理拖动进入事件
//$(this).css({'border-style': 'dashed'});
},
'dragleave': function(){//处理拖动离开事件
//$(this).css({'border-style': 'solid'});
},
'dragover': function(){//处理拖动移动事件
return false;
},
'drop': function(evt){//处理释放事件
var file = evt.originalEvent.dataTransfer.files[0];
var reader = new FileReader();
reader.onload = function(e){
var diamond4file = diamond4(e.target.result);
var con = new Contour(diamond4file.data);
con.setContourLevel(diamond4file.levels);
var all_iso_line = con.track();
for(var i in all_iso_line){
var line = all_iso_line[i].path;
var apath = [];
for(var j=0; j< line.length; j++){
apath.push(new google.maps.LatLng(line[j].x, line[j].y) );
}
var flightPath = new google.maps.Polyline({
path: apath,
strokeColor: "#0000FF",
strokeOpacity: 1.0,
strokeWeight: 2
});
flightPath.setMap(map);
}
}
reader.readAsText(file);
return false;
}
})
})
</script>
</head>
<body>
<div id='container'>
<div id='tips'>
<h2>将Micaps第四类数据格式文件拖入下面的地图中，即可在地图上查看等值线</h2>
</div>
<div id='map_canvas'>
</div>
</div>
</body>
</html>