mapv
Version:
a library of geography visualization
133 lines (109 loc) • 4.26 kB
HTML
<html>
<head>
<meta charset="UTF-8">
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;" name="viewport" />
<title></title>
<style type="text/css">
html,
body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
#map {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div id="map"></div>
<canvas id="canvas"></canvas>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=1XjLLEhZhQNUzd93EjU5nOGQ"></script>
<script type="text/javascript" src="../../build/mapv.js"></script>
<script type="text/javascript">
var MARKER_ICON_SIZE_WIDTH = 45
var MARKER_ICON_SIZE_HEIGHT = 45
function getMapvEventMarkerIndex(map, event, data){
var index = null;
var eventPixel = map.pointToPixel(event.point);
var XR = MARKER_ICON_SIZE_WIDTH; // 除2暂时没有弄明白，但是这样写就正常了...
var YR = MARKER_ICON_SIZE_HEIGHT;
for(var i=0,projsLen=data.length; i< projsLen; i++){
var itemPixel = map.pointToPixel({lng: data[i].lng, lat: data[i].lat});
var topX = itemPixel.x + XR;
var bottomX = itemPixel.x - XR;
var topY = itemPixel.y + YR;
var bottomY = itemPixel.y - YR;
if (eventPixel.x < topX && eventPixel.x > bottomX && eventPixel.y < topY && eventPixel.y > bottomY) {
index = i;
}
}
return index;
}
// 百度地图API功能
var map = new BMap.Map("map", {
enableMapClick: false
}); // 创建Map实例
map.centerAndZoom(new BMap.Point(105.403119, 38.028658), 5); // 初始化地图,设置中心点坐标和地图级别
map.enableScrollWheelZoom(true); // 开启鼠标滚轮缩放
map.setMapStyle({
style: 'midnight'
});
var randomCount = 30;
var data = [];
var citys = ["北京", "天津", "上海", "重庆", "石家庄", "太原", "呼和浩特", "哈尔滨", "长春", "沈阳", "济南", "南京", "合肥", "杭州", "南昌", "福州", "郑州", "武汉", "长沙", "广州", "南宁", "西安", "银川", "兰州", "西宁", "乌鲁木齐", "成都", "贵阳", "昆明", "拉萨", "海口"];
var img = new Image();
img.src = '//logo.toodc.cn/me/map/map_marker_blue.png';
img.onload = function() {
// console.log(img)
// 构造数据
while (randomCount--) {
var cityCenter = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]);
var lng = cityCenter.lng - 2 + Math.random() * 4
var lat = cityCenter.lat - 2 + Math.random() * 4
data.push({
geometry: {
type: 'Point',
coordinates: [lng, lat]
},
deg: 360 * Math.random(),
icon: img,
id: randomCount,
lng: lng,
lat: lat
});
}
var dataSet = new mapv.DataSet(data);
var options = {
draw: 'icon',
methods: {
tap: function(item, e){
alert('tap: '+ (item ? item.id : null))
}
},
// methods: {
// click: function (item) {
// console.log(item);
// }
// },
size: 45,
width: 45,
height: 45,
// sx: 10,
// sy: 10,
// swidth: 50,
// sheight: 50,
}
var mapvLayer = new mapv.baiduMapLayer(map, dataSet, options);
// var options = {
// draw: 'simple'
// }
// var mapvLayer = new mapv.baiduMapLayer(map, dataSet, options);
}
</script>
</body>
</html>