<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>Points 无高度的点</title>
<style>
html, body, #container {
margin: 0; padding: 0; width: 100%; height: 100%;
}
</style>
</head>
<body>
<div id="container"></div>
<script src="//webapi.amap.com/maps?v=1.4.15&key=您申请的key值&plugin=Map3D,AMap.DistrictSearch"></script>
<script>
var map = new AMap.Map('container', {
viewMode: '3D',
turboMode: false,
defaultCursor: 'pointer',
showBuildingBlock: false,
expandZoomRange: true,
zooms: [3, 20],
zoom: 4,
pitch: 50,
forceVector: true,
});
var object3Dlayer = new AMap.Object3DLayer({ zIndex: 110, opacity: 1 });
map.add(object3Dlayer);
function lnglatToG20(lnglat) {
lnglat = map.lngLatToGeodeticCoord(lnglat);
lnglat.x = AMap.Util.format(lnglat.x, 3);
lnglat.y = AMap.Util.format(lnglat.y, 3);
return lnglat;
}
new AMap.DistrictSearch({
subdistrict: 1, //返回下一级行政区
extensions: 'base'
}).search('中国', function (status, result) {
var provinces = result.districtList[0].districtList;
var points3D = new AMap.Object3D.Points();
points3D.transparent = true;
var geometry = points3D.geometry;
for (var p = 0; p < provinces.length; p += 1) {
// points 类型的顶点坐标需要使用 G20 坐标
var center = lnglatToG20(provinces[p].center);
// 高度为 0
geometry.vertices.push(center.x, center.y, 0);
geometry.pointSizes.push(Math.round(Math.random() * 50));
geometry.vertexColors.push(p * 0.029, p * 0.015, p * 0.01, 0.5);
// geometry.pointAreas.push(0.3,0,0.7,0.5);
}
points3D.borderColor = [0.6, 0.8, 1, 1];
points3D.borderWeight = 3;
object3Dlayer.add(points3D);
});
</script>
</body>
</html>
