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<!--********************************************************************
* Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title data-i18n="resources.title_mapVLayerHoneycomb"></title>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
<script type="text/javascript" include="mapv" src="../../dist/classic/include-classic.js"></script>
<script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
<script type="text/javascript">
var host = window.isLocal ? window.server : 'https://iserver.supermap.io';
var map,
baseLayer,
mapvLayer,
url = host + '/iserver/services/map-china400/rest/maps/China_4326';
init();
function init() {
if (!document.createElement('canvas').getContext) {
widgets.alert.showAlert(resources.msg_supportCanvas, false);
return;
}
map = new SuperMap.Map('map', {
controls: [
new SuperMap.Control.Attribution(),
new SuperMap.Control.ScaleLine(),
new SuperMap.Control.Zoom(),
new SuperMap.Control.Navigation({
dragPanOptions: {
enableKinetic: true
}
})
]
});
baseLayer = new SuperMap.Layer.TiledDynamicRESTLayer(
'China',
url,
{
transparent: true,
cacheEnabled: true
},
{
maxResolution: 'auto'
}
);
baseLayer.events.on({
layerInitialized: addLayer
});
}
function addLayer() {
map.addLayers([baseLayer]);
map.setCenter(new SuperMap.LonLat(104, 34.7), 2);
createMapVLayer();
}
//示例数据来源为百度MapV的加偏数据，iClient未做纠偏处理
function createMapVLayer() {
var randomCount = 1000;
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'
];
// 构造数据
while (randomCount--) {
var cityCenter = mapv.utilCityCenter.getCenterByCityName(
citys[parseInt(Math.random() * citys.length)]
);
data.push({
geometry: {
type: 'Point',
coordinates: [
cityCenter.lng - 2 + Math.random() * 4,
cityCenter.lat - 2 + Math.random() * 4
]
},
count: 30 * Math.random()
});
}
var dataSet = new mapv.DataSet(data);
var options = {
fillStyle: 'rgba(55, 50, 250, 0.8)',
shadowColor: 'rgba(255, 250, 50, 1)',
shadowBlur: 20,
max: 100,
size: 50,
unit: 'px', // unit可选值['px', 'm']，默认值为'px'
label: {
show: true,
fillStyle: 'white'
},
globalAlpha: 0.5,
gradient: {
0.25: 'rgb(0,0,255)',
0.55: 'rgb(0,255,0)',
0.85: 'yellow',
1.0: 'rgb(255,0,0)'
},
draw: 'honeycomb'
};
mapvLayer = new SuperMap.Layer.MapVLayer('mapv', {
dataSet: dataSet,
options: options
});
map.addLayer(mapvLayer);
setTimeout(function() {
openToolTip(resources.text_iClient, map.getCenter());
}, 1000);
}
function openToolTip(text, latLng) {
var contentHTML = "<div style='width:216px; font-size:12px;font-weight:bold ; opacity: 0.8'>";
contentHTML += text;
contentHTML += '</div>';
framedCloud = new SuperMap.Popup.FramedCloud(
'chicken',
latLng,
null,
contentHTML,
null,
true,
null,
true
);
map.addPopup(framedCloud);
}
</script>
</body>
</html>