


Using JavaScript and Tencent Maps to implement indoor map navigation functions
Nov 21, 2023 pm 12:30 PMTitle: Using JavaScript and Tencent Maps to realize indoor map navigation function
Introduction: With the rapid development of science and technology, indoor positioning and navigation technology have become the key to realizing indoor place navigation important tool. This article will introduce how to use JavaScript and Tencent Map API to implement map indoor navigation functions, and provide specific code examples.
1. Introduce Tencent Map API
Before implementing the map indoor navigation function, you first need to introduce Tencent Map API. Add the following code in the
tag of HTML:<script src="https://map.qq.com/api/js?v=2.exp&key=YOUR_APP_KEY"></script>
needs to be replaced by YOUR_APP_KEY
with your own Tencent Maps API key.
2. Create a map instance
Next, add a container for displaying the map in the
tag:<div id="map"></div>
Then, create the map in JavaScript Example, and set the initialization parameters:
var map = new qq.maps.Map(document.getElementById("map"), { center: new qq.maps.LatLng(39.90882, 116.39750), // 地圖初始中心點 zoom: 16, // 地圖初始縮放級別 });
The center point and zoom level here can be adjusted according to actual needs.
3. Add indoor map
The indoor navigation function of Tencent Map requires the use of indoor map data. You can obtain the corresponding indoor map ID through the official website of Tencent Maps or other channels. Add the following code in JavaScript:
var indoorMapId = "YOUR_INDOOR_MAP_ID"; // 替換為你的室內(nèi)地圖ID var indoorMap = new qq.maps.IndoorMap(map, indoorMapId);
This will load the corresponding indoor map on the map.
4. Create an indoor navigation control
In order to realize the indoor navigation function, we need to create a navigation control for the user to select the starting and ending points. Add the following code in HTML:
<div id="nav-control"></div>
Then, create the control in JavaScript and add the relevant event handler function:
var startPoint; var endPoint; // 創(chuàng)建導(dǎo)航控件 var navControl = new qq.maps.NavigationControl({ map: map, align: qq.maps.ALIGN.TOP_RIGHT, margin: new qq.maps.Size(10, 10), visible: true, buttonPosition: qq.maps.ControlPosition.TOP_RIGHT }); // 設(shè)置導(dǎo)航控件的起點和終點選擇回調(diào)函數(shù) navControl.setOnStartChoose(function() { startPoint = map.getCenter(); }); navControl.setOnEndChoose(function() { endPoint = map.getCenter(); });
Through the above code, the user can select the starting and ending points on the map .
5. Implement indoor navigation function
In order to implement indoor navigation function, we need to use the navigation service provided by Tencent Maps. Add the following code in JavaScript:
var service = new qq.maps.DirectionService(); // 創(chuàng)建室內(nèi)導(dǎo)航控件 var indoorNavControl = new qq.maps.IndoorNavigationControl({ map: map, startControl: navControl.getStartControl(), endControl: navControl.getEndControl(), typeControl: navControl.getTypeControl(), style: qq.maps.IndoorStyle.BLUE, }); // 注冊室內(nèi)導(dǎo)航控件的點擊回調(diào)函數(shù) qq.maps.event.addListener(indoorNavControl, 'navclick', function(event) { // 判斷是否點擊了導(dǎo)航按鈕 if (event.control === indoorNavControl.getNavButton()) { var request = { from: startPoint, to: endPoint, mode: qq.maps.DirectionMode.INDOOR }; // 發(fā)起導(dǎo)航請求 service.route(request, function(result) { var path = result.detail.path; // 清除之前的導(dǎo)航路徑 indoorMap.clearPath(); // 在地圖上繪制導(dǎo)航路徑 indoorMap.drawPath(path); }); } });
Through the above code, when the user clicks the navigation button on the navigation control, an indoor navigation request will be initiated and the navigation path will be drawn on the map.
6. Summary
This article introduces how to use JavaScript and Tencent Map API to implement the map indoor navigation function, and provides specific code examples. With these code examples, you can easily add indoor navigation functionality to your website or app to improve the user experience. Hope this article is helpful to you!
The above is the detailed content of Using JavaScript and Tencent Maps to implement indoor map navigation functions. For more information, please follow other related articles on the PHP Chinese website!

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