Cesium 融合高德Web API 线路规划与导航

发布时间：2023年12月21日

在这里插入图片描述

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 * @Author: 苹果园dog

 * @Date: 2020-11-13 14:48:40

 * @LastEditTime: 2020-11-18 10:26:31

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 * @Description: In User Settings Edit

 * @FilePath: \web\cesiumS\cesium\cesium\mytest\高德2.html

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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">

    <title>2</title>

        html,

        body,

        #cesiumContainer {

            width: 100%;

            height: 100%;

            margin: 0;

            padding: 0;

            overflow: hidden;

        }



        #container {

            width: 100%;

            height: 100%;

            margin: 0;

            padding: 0;

            overflow: hidden;

        }



        .testtool {

            position: absolute;

            top: 75px;

            left: 100px;

            background: gray;

        }

    </style>

</head>



<body>

    <div id="cesiumContainer"></div>

    <div class="info">

        <div class="input-item">

            <div class="input-item-prepend">

                <span class="input-item-text" style="width:8rem;">请输入关键字</span>

            </div>

            <input id='tipinput' type="text">

        </div>

        <div class="input-item">

            <div class="input-item-prepend">

                <span class="input-item-text" style="width:8rem;">请输入关键字</span>

            </div>

            <input id='tipinput2' type="text">

        </div>

        <button id="btncallapp" onclick="beginGuide()">开始导航</button>

    </div>

    <script type="text/javascript">



        let isPC = isThePC();//是PC端网页打开

        let isAndroid = isTheAndroid();//是移动端网页打开

        var viewer = init3D("cesiumContainer");

        var scene = viewer.scene;



        let coord1 = null;//起始坐标

        let coord2 = null;//终点坐标

        let input1 = document.getElementById('tipinput');

        let input2 = document.getElementById('tipinput2');

        let startPoiName = '';//起始点名称

        let endPoiName = '';//终点名称

        AMap.plugin(['AMap.Autocomplete', 'AMap.PlaceSearch'], function () {//搜索POI地址，和下面的代码可以合并

            var autoOptions = {

                input: 'tipinput'

            }

            var autoComplete = new AMap.Autocomplete(autoOptions);

            var placeSearch = new AMap.PlaceSearch({

                city: '41',

                pageSize: 1,

                pageIndex: 1,

            });

            placeSearch.search('河南省', function (status, result) {



            });

            AMap.event.addListener(autoComplete, "select", function (e) {

                startPoiName = e.poi.name;

                placeSearch.search(e.poi.name, function (status, result) {

                    console.log("e.poi.name", e.poi.name);

                    console.log("result", result);

                    let lng = result.poiList.pois[0].location.lng;

                    let lat = result.poiList.pois[0].location.lat;

                    let coord1WGS84 = coordadd.gcj02towgs84(lng, lat);

                    coord1 = [lng, lat];

                    cesiumUtil.removeEntitiesByName('daohangbill1');

                    cesiumUtil.addBillBordAirLive('daohangbill1', coord1WGS84[0], coord1WGS84[1], 0, 1, 0, 'http://ip:8083/cesium148/mytestcesium/billbords/weizhi.png', '起点', null, null, null);

                    doWork();

                });

            });

        });



        AMap.plugin(['AMap.Autocomplete', 'AMap.PlaceSearch'], function () {//搜索POI地址，和上面的代码可以合并

            var autoOptions = {

                input: 'tipinput2'

            }

            var autoComplete = new AMap.Autocomplete(autoOptions);

            var placeSearch = new AMap.PlaceSearch({

                city: '41',

                pageSize: 1,

                pageIndex: 1,

            });

            placeSearch.search('河南省', function (status, result) {



            });

            AMap.event.addListener(autoComplete, "select", function (e) {

                endPoiName = e.poi.name;

                placeSearch.search(e.poi.name, function (status, result) {

                    console.log("e.poi.name", e.poi.name);

                    console.log("result", result);

                    let lng = result.poiList.pois[0].location.lng;

                    let lat = result.poiList.pois[0].location.lat;

                    let coord2WGS84 = coordadd.gcj02towgs84(lng, lat);

                    coord2 = [lng, lat];

                    cesiumUtil.removeEntitiesByName('daohangbill2');

                    cesiumUtil.addBillBordAirLive('daohangbill2', coord2WGS84[0], coord2WGS84[1], 0, 1, 0, 'http://ip:8083/cesium148/mytestcesium/billbords/weizhi.png', '终点', null, null, null);

                    doWork();

                });

            });

        })



        function doWork() {//确定起止点后干的事情,划线，导航等。            

            getRoute(RouteType.driving, (result) => {

                if (!result) {

                    return;

                }

                console.log(result);

                let paths = result.paths[0].steps;

                let positions = [];

                for (let index = 0; index < paths.length; index++) {

                    const path = paths[index];

                    let polyline = path.polyline;

                    let polylinePoints = polyline.split(/[,]|;/);

                    positions = positions.concat(polylinePoints);

                }

                positions = positions.map(Number);

                let positionsWGS84 = [];

                for (let index = 0; index < positions.length - 1; index += 2) {

                    const pos = positions[index];

                    const pos2 = positions[index + 1];

                    let coordWGS84 = coordadd.gcj02towgs84(pos, pos2);

                    positionsWGS84 = positionsWGS84.concat(coordWGS84);

                }

                cesiumUtil.removeEntitiesByName('daohangline');

                var greenLine = viewer.entities.add({//加载线路到三维球

                    name: "daohangline",

                    polyline: {

                        positions: Cesium.Cartesian3.fromDegreesArray(positionsWGS84),

                        width: 6,

                        material: Cesium.Color.GREEN,

                        clampToGround: true,

                    },

                });

                viewer.flyTo(greenLine);

            });

        }



        //调用高德webAPI查询规划线路，这里头有详细信息，界面上后期可以丰富一下，详细行走路径，时间等。

        function getRoute(type, callback) {

            if (input1.value && input2.value) {

                if (!type) {

                    type = '';

                }

                let origin = coord1.toString();

                let destination = coord2.toString();

                $.ajax({

                    url: 'https://restapi.amap.com/v3/direction/' + type,

                    dataType: "json",

                    async: true,

                    data: {

                        origin: origin,

                        destination: destination,

                        key: 'e71dcsdc024859f4cfb328a60cb75a03b'

                    },

                    success: function (data) {

                        if (data.status < 1) {

                            callback(null);

                        } else {

                            callback(data.route);

                        }

                    },

                    error: function () {

                        callback(null);

                    }

                });

            }

        }
文章来源:https://blog.csdn.net/qq_25506089/article/details/135109861
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