|
sl@0
|
1 |
<!DOCTYPE html>
|
|
sl@0
|
2 |
<html>
|
|
sl@0
|
3 |
<head>
|
|
sl@0
|
4 |
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
|
|
sl@0
|
5 |
<title>Rectangle Overlay</title>
|
|
sl@0
|
6 |
|
|
sl@0
|
7 |
<style type="text/css">
|
|
sl@0
|
8 |
#map {
|
|
sl@0
|
9 |
width: 1200px;
|
|
sl@0
|
10 |
height: 800px;
|
|
sl@0
|
11 |
margin: 5px;
|
|
sl@0
|
12 |
}
|
|
sl@0
|
13 |
|
|
sl@0
|
14 |
h2 {
|
|
sl@0
|
15 |
margin: 2px;
|
|
sl@0
|
16 |
}
|
|
sl@0
|
17 |
|
|
sl@0
|
18 |
ul {
|
|
sl@0
|
19 |
margin: 2px;
|
|
sl@0
|
20 |
}
|
|
sl@0
|
21 |
|
|
sl@0
|
22 |
body {
|
|
sl@0
|
23 |
font-size: 12pt;
|
|
sl@0
|
24 |
font-family: Arial, sans-serif;
|
|
sl@0
|
25 |
}
|
|
sl@0
|
26 |
</style>
|
|
sl@0
|
27 |
|
|
sl@0
|
28 |
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
|
|
sl@0
|
29 |
|
|
sl@0
|
30 |
<script type="text/javascript">
|
|
sl@0
|
31 |
// Global variables
|
|
sl@0
|
32 |
var map;
|
|
sl@0
|
33 |
var marker1;
|
|
sl@0
|
34 |
var marker2;
|
|
sl@0
|
35 |
var rectangle;
|
|
sl@0
|
36 |
|
|
sl@0
|
37 |
/**
|
|
sl@0
|
38 |
* Called on the initial page load.
|
|
sl@0
|
39 |
*/
|
|
sl@0
|
40 |
function init() {
|
|
sl@0
|
41 |
|
|
sl@0
|
42 |
var qs = GetQueryString();
|
|
sl@0
|
43 |
|
|
sl@0
|
44 |
//Set map width if specified
|
|
sl@0
|
45 |
if (!(typeof qs.width === "undefined")) {
|
|
sl@0
|
46 |
document.getElementById('map').style.width=qs.width[0].concat("px");
|
|
sl@0
|
47 |
//window.alert("width");
|
|
sl@0
|
48 |
}
|
|
sl@0
|
49 |
|
|
sl@0
|
50 |
//Set map height if specified
|
|
sl@0
|
51 |
if (!(typeof qs.height === "undefined")) {
|
|
sl@0
|
52 |
document.getElementById('map').style.height=qs.height[0].concat("px");
|
|
sl@0
|
53 |
//window.alert("height");
|
|
sl@0
|
54 |
}
|
|
sl@0
|
55 |
|
|
sl@0
|
56 |
//Display help if expected parameters are not specified
|
|
sl@0
|
57 |
if ( typeof qs.s === "undefined" || typeof qs.w === "undefined" || typeof qs.n === "undefined" || typeof qs.e === "undefined") {
|
|
sl@0
|
58 |
document.getElementById('help').innerHTML='Pass the URI parameters as follow: \
|
|
sl@0
|
59 |
<ul>\
|
|
sl@0
|
60 |
<li>\'s\' for southernmost latitude.</li>\
|
|
sl@0
|
61 |
<li>\'n\' for northernmost latitude.</li>\
|
|
sl@0
|
62 |
<li>\'e\' for easternmost longitude.</li>\
|
|
sl@0
|
63 |
<li>\'w\' for westernmost longitude.</li>\
|
|
sl@0
|
64 |
<li>\'c\' Specify a <a href="http://www.w3schools.com/cssref/css_colornames.asp">color name</a> for your rectangles.</li>\
|
|
sl@0
|
65 |
<li>\'width\' Map width in pixels, default is 1200.</li>\
|
|
sl@0
|
66 |
<li>\'height\' Map heigh in pixels, default is 800.</li>\
|
|
sl@0
|
67 |
</ul>\
|
|
sl@0
|
68 |
You can specify any number of rectangles.<br />\
|
|
sl@0
|
69 |
Map will be centered on the first rectangle.<br />\
|
|
sl@0
|
70 |
Click <a href="rectangle-overlay-params.html?w=8.619000&n=50.134350&e=8.714110&s=50.091180&w=8.657227&n=50.119630&e=8.673706&s=50.108644&w=8.652547&n=50.109318&e=8.658400&s=50.105320&c=black&c=red&c=green">here</a> for an example.';
|
|
sl@0
|
71 |
|
|
sl@0
|
72 |
//Still display the map
|
|
sl@0
|
73 |
map = new google.maps.Map(document.getElementById('map'), {
|
|
sl@0
|
74 |
'zoom': 3,
|
|
sl@0
|
75 |
'center': new google.maps.LatLng(45,0),
|
|
sl@0
|
76 |
'mapTypeId': google.maps.MapTypeId.ROADMAP
|
|
sl@0
|
77 |
});
|
|
sl@0
|
78 |
|
|
sl@0
|
79 |
return;
|
|
sl@0
|
80 |
}
|
|
sl@0
|
81 |
|
|
sl@0
|
82 |
|
|
sl@0
|
83 |
|
|
sl@0
|
84 |
var latLngBounds = new google.maps.LatLngBounds(
|
|
sl@0
|
85 |
new google.maps.LatLng(qs.s[0], qs.w[0]),
|
|
sl@0
|
86 |
new google.maps.LatLng(qs.n[0], qs.e[0])
|
|
sl@0
|
87 |
);
|
|
sl@0
|
88 |
|
|
sl@0
|
89 |
map = new google.maps.Map(document.getElementById('map'), {
|
|
sl@0
|
90 |
'zoom': 12,
|
|
sl@0
|
91 |
'center': new google.maps.LatLng(latLngBounds.getCenter().lat(),latLngBounds.getCenter().lng()),
|
|
sl@0
|
92 |
'mapTypeId': google.maps.MapTypeId.ROADMAP
|
|
sl@0
|
93 |
});
|
|
sl@0
|
94 |
|
|
sl@0
|
95 |
|
|
sl@0
|
96 |
//Create all our rectangles
|
|
sl@0
|
97 |
rectangles = []; //Create rentangles array
|
|
sl@0
|
98 |
for (var i = 0; i < qs.s.length; i++) {
|
|
sl@0
|
99 |
rectangles.push(new google.maps.Rectangle({map: map,fillColor: (typeof qs.c === "undefined" || typeof qs.c[i] === "undefined"?'#666666':qs.c[i]) }));
|
|
sl@0
|
100 |
//window.alert(qs.c[i]);
|
|
sl@0
|
101 |
}
|
|
sl@0
|
102 |
|
|
sl@0
|
103 |
redraw();
|
|
sl@0
|
104 |
}
|
|
sl@0
|
105 |
|
|
sl@0
|
106 |
/**
|
|
sl@0
|
107 |
* Updates the Rectangle's bounds to resize its dimensions.
|
|
sl@0
|
108 |
*/
|
|
sl@0
|
109 |
function redraw() {
|
|
sl@0
|
110 |
var qs = GetQueryString();
|
|
sl@0
|
111 |
for (var i = 0; i < qs.s.length; i++) {
|
|
sl@0
|
112 |
var latLngBounds = new google.maps.LatLngBounds(
|
|
sl@0
|
113 |
new google.maps.LatLng(qs.s[i], qs.w[i]),
|
|
sl@0
|
114 |
new google.maps.LatLng(qs.n[i], qs.e[i])
|
|
sl@0
|
115 |
);
|
|
sl@0
|
116 |
rectangles[i].setBounds(latLngBounds);
|
|
sl@0
|
117 |
}
|
|
sl@0
|
118 |
}
|
|
sl@0
|
119 |
|
|
sl@0
|
120 |
/**
|
|
sl@0
|
121 |
* This function is anonymous, is executed immediately and
|
|
sl@0
|
122 |
* the return value is assigned to QueryString!
|
|
sl@0
|
123 |
*/
|
|
sl@0
|
124 |
function GetQueryString() {
|
|
sl@0
|
125 |
var query_string = {};
|
|
sl@0
|
126 |
var query = window.location.search.substring(1);
|
|
sl@0
|
127 |
var vars = query.split("&");
|
|
sl@0
|
128 |
for (var i=0;i<vars.length;i++) {
|
|
sl@0
|
129 |
var pair = vars[i].split("=");
|
|
sl@0
|
130 |
// If first entry with this name
|
|
sl@0
|
131 |
if ((typeof query_string[pair[0]] === "undefined") ) {
|
|
sl@0
|
132 |
query_string[pair[0]] = pair[1];
|
|
sl@0
|
133 |
var arr = [ query_string[pair[0]], pair[1] ];
|
|
sl@0
|
134 |
query_string[pair[0]] = arr;
|
|
sl@0
|
135 |
} else {
|
|
sl@0
|
136 |
query_string[pair[0]].push(pair[1]);
|
|
sl@0
|
137 |
}
|
|
sl@0
|
138 |
}
|
|
sl@0
|
139 |
return query_string;
|
|
sl@0
|
140 |
}
|
|
sl@0
|
141 |
|
|
sl@0
|
142 |
// Register an event listener to fire when the page finishes loading.
|
|
sl@0
|
143 |
google.maps.event.addDomListener(window, 'load', init);
|
|
sl@0
|
144 |
</script>
|
|
sl@0
|
145 |
</head>
|
|
sl@0
|
146 |
<body>
|
|
sl@0
|
147 |
<h2>Google maps rectangle overlay</h2>
|
|
sl@0
|
148 |
<div id="help"><a href='rectangle-overlay-params.html'>help</a></div>
|
|
sl@0
|
149 |
<div id="map"></div>
|
|
sl@0
|
150 |
</body>
|
|
sl@0
|
151 |
</html>
|
|
sl@0
|
152 |
|