xubin.jiang
/
baoying


			
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							<!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">
    <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
    <title>Object3D 的添加/移除</title>
    <meta name="description" content="对 Object3D 对象进行添加和移除的基本操作。">
    <style>
        html,
        body,
        #container {
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
<div id="container"></div>
<!--<div class="input-card" style="width: auto;">-->
    <!--<div class="input-item">-->
        <!--<button id="add-obj3d-btn" class="btn">添加 Object3D</button>-->
    <!--</div>-->
    <!--<div class="input-item">-->
        <!--<button id="rm-obj3d-btn" class="btn">移除 Object3D</button>-->
    <!--</div>-->
<!--</div>-->
<!-- 加载地图JSAPI脚本 -->
<script src="https://webapi.amap.com/maps?v=1.4.14&key=a9575a60476c3c07963ea2e3c8a9b03d&plugin=Map3D,AMap.DistrictSearch"></script>
<script>
    //
    // var map = new AMap.Map('container', {
    //     center: [109.945017,27.402736],
    //     viewMode: '3D',
    //     labelzIndex: 130,
    //     pitch: 40,
    //     zoom: 9
    // });
    //创建 3D 底图
    var map = new AMap.Map('container', {
        viewMode: '3D', // 开启 3D 模式
        pitch: 75,
        rotation: 35,
        // center: [116.39756, 39.904215],
        center: [109.93386,27.395993],
        features: ['bg', 'road'],
        zoom: 15
    });
    //**************
    map.plugin(["AMap.ControlBar"],function(){
        var controlBar = new AMap.ControlBar(109.945017,27.402736)
        map.addControl(controlBar)
    });


    var t= new AMap.Text({
        text:"中方县第一中学",
        position:[109.946506,27.40],
        height:2000,
        verticalAlign:'bottom',
        map:map,
        style:{
            'background-color':'#40E0D0',
            'color':'white',
            'font-size':'12px'
        }
    });
    var t1= new AMap.Text({
        text:"湖南骏泰科技消防队",
        position:[109.923688,27.387485],
        height:500,
        verticalAlign:'bottom',
        map:map,
        style:{
            'background-color':'#CD5C5C',
            'color':'white',
            'font-size':'12px'
        }
    });
    var t2= new AMap.Text({
        text:"红宝科技汽柴油储罐",
        position:[109.931149,27.378376],
        height:1000,
        verticalAlign:'bottom',
        map:map,
        style:{
            'background-color':'#778899',
            'color':'white',
            'font-size':'12px'
        }
    });
    //**************

    // // 添加 Object3DLayer 图层，用于添加 3DObject 对象
    // var object3Dlayer = new AMap.Object3DLayer();
    // map.add(object3Dlayer);
    //
    //
    //
    var object3Dlayer = new AMap.Object3DLayer({ zIndex: 1 });
    map.add(object3Dlayer);

    // 以不规则棱柱体 Prism 为例，添加至 3DObjectLayer 图层中
    var paths = [
        [109.945017,27.402736],
        [109.947506,27.402526],
        [109.947785,27.398868],
        // [109.946777,27.397154],
        [109.945339,27.398487]
    ];


    var bounds = paths.map(function(path) {
        return new AMap.LngLat(path[0], path[1]);
    });

    // 创建 Object3D 对象
    var prism = new AMap.Object3D.Prism({
        path: bounds,
        height: 5000,
        color: 'rgba(100, 150, 230, 0.7)' // 支持 #RRGGBB、rgb()、rgba() 格式数据
    });

    // 开启透明度支持
    prism.transparent = true;

    // 添加至 3D 图层
    object3Dlayer.add(prism);

    //消防队
    var paths1 = [
        [109.919783,27.392553],
        [109.929568,27.388971],
        [109.928023,27.381769],
        [109.918367,27.384284],
        [109.918023,27.388933]
    ];
    var bounds1 = paths1.map(function(path) {
        return new AMap.LngLat(path[0], path[1]);
    });
    var prism1 = new AMap.Object3D.Prism({
        path: bounds1,
        height: 1000,
        color: 'rgba(100, 150, 230, 0.7)' // 支持 #RRGGBB、rgb()、rgba() 格式数据
    });
    object3Dlayer.add(prism1);

    //油罐
    var paths2 = [
        [109.929776,27.380243],
        [109.932909,27.379214],
        [109.931836,27.377232],
        [109.929733,27.377766]
    ];
    var bounds2 = paths2.map(function(path) {
        return new AMap.LngLat(path[0], path[1]);
    });
    var prism2 = new AMap.Object3D.Prism({
        path: bounds2,
        height: 3000,
        color: 'rgba(131, 112, 205, 0.7)' // 支持 #RRGGBB、rgb()、rgba() 格式数据
    });
    object3Dlayer.add(prism2);

    // //绑定按钮事件
    // document.querySelector("#add-obj3d-btn").onclick = function() {
    //     // 添加至 3D 图层
    //     object3Dlayer.add(prism);
    // };
    //
    // document.querySelector("#rm-obj3d-btn").onclick = function() {
    //     // 从 3D 图层中移除
    //     object3Dlayer.remove(prism);
    // };


    var opts = {
        subdistrict: 0,
        extensions: 'all',
        level: 'district'
    };

    //利用行政区查询获取边界
    var district = new AMap.DistrictSearch(opts);
    district.search('中方县', function (status, result) {
        var bounds = result.districtList[0].boundaries;
        var height = 3000;
        var color = '#0088ffcc';//rgba
        var wall = new AMap.Object3D.Wall({
            path: bounds,
            height: height,
            color: color
        });
        wall.backOrFront = 'both';
        wall.transparent = true;
        object3Dlayer.add(wall);
    });


    var addBox = function (center, length, width, height) {
        var box = new AMap.Object3D.MeshAcceptLights();
        var geometry = box.geometry;
        box.textures.push('https://a.amap.com/jsapi_demos/static/texture3d/shuilifang.png');

        var halfLength = length / 2;
        var halfWidth = width / 2;
        var path = [
            [-halfLength, halfWidth],
            [halfLength, halfWidth],
            [halfLength, -halfWidth],
            [-halfLength, -halfWidth]
        ];

        //构造4个侧面
        for (var i = 0; i < 4; i += 1) {
            var x1 = path[i][0];
            var y1 = path[i][1];

            var x2 = path[(i + 1) % 4][0];
            var y2 = path[(i + 1) % 4][1];

            // 每个侧面四个顶点
            geometry.vertices.push(x1, y1, 0);
            geometry.vertices.push(x1, y1, -height);
            geometry.vertices.push(x2, y2, 0);
            geometry.vertices.push(x2, y2, -height);

            var v1 = new AMap.Vector3(0, 0, -height);
            var v2 = new AMap.Vector3(x2 - x1, y2 - y1, 0);

            // 各面的法向量
            var normal = new AMap.Vector3().crossVectors(v2, v1).normalize().elements;

            geometry.vertexNormals.push(normal[0], normal[1], normal[2]);
            geometry.vertexNormals.push(normal[0], normal[1], normal[2]);
            geometry.vertexNormals.push(normal[0], normal[1], normal[2]);
            geometry.vertexNormals.push(normal[0], normal[1], normal[2]);

            // 四个顶点的纹理坐标
            geometry.vertexUVs.push(0, 1);
            geometry.vertexUVs.push(0, 0);
            geometry.vertexUVs.push(1, 1);
            geometry.vertexUVs.push(1, 0);

            var bottomIndex = i * 4;
            var topIndex = bottomIndex + 1;
            var nextBottomIndex = (bottomIndex + 2);
            var nextTopIndex = (bottomIndex + 3);

            // 侧面三角形1
            geometry.faces.push(topIndex, bottomIndex, nextBottomIndex);
            // 侧面三角形2
            geometry.faces.push(topIndex, nextBottomIndex, nextTopIndex);
        }
        //构造顶面
        for (var i = 0; i < 4; i += 1) {
            geometry.vertices.push(path[i][0], path[i][1], -height);
            geometry.vertexNormals.push(0, 0, -1);
        }

        // 四个顶点的纹理坐标
        geometry.vertexUVs.push(0, 2);
        geometry.vertexUVs.push(1, 2);
        geometry.vertexUVs.push(1, 0);
        geometry.vertexUVs.push(0, 0);

        // 侧面三角形1
        geometry.faces.push(16 + 0, 16 + 1, 16 + 2);
        // 侧面三角形2
        geometry.faces.push(16 + 0, 16 + 2, 16 + 3);

        box.position(center);

        // 如果使用了透明颜色，请设置true
        box.transparent = true;
        object3Dlayer.add(box);
    };

    addBox([109.929776,27.380243], 1600, 1600, 800);
    // alert(map.getCenter())
</script>
</body>
</html>