要使Maptalks空间中的UIMarker与UI组件对齐,可以使用以下方法:
1. 首先,确保已经引入了Maptalks库和UI组件库。
2. 创建一个Maptalks空间实例,并设置其样式和视图。
3. 创建一个UIMarker实例,并设置其位置、图标等属性。
4. 将UIMarker添加到Maptalks空间中。
5. 使用`fitBounds()`方法调整地图视图,使其适应UIMarker的位置。
以下是一个简单的示例代码:
// 引入Maptalks库和UI组件库 import Maptalks from 'maptalks'; import UIMarker from 'ui-marker'; // 创建Maptalks空间实例 const map = new Maptalks('map'); // 设置地图样式和视图 map.setStyle({ backgroundColor: '#fff', center: [116.397, 39.908], zoom: 10, }); // 创建UIMarker实例 const marker = new UIMarker({ position: [116.397, 39.908], icon: 'http://example.com/icon.png', }); // 将UIMarker添加到Maptalks空间中 map.addLayer(marker); // 调整地图视图,使其适应UIMarker的位置 map.fitBounds();
这样,Maptalks空间中的UIMarker就会与UI组件对齐。
<!DOCTYPE html> <html> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>空间与UI组件 - UIMarker 对齐</title> <style type="text/css"> html,body{margin:0px;height:100%;width:100%} .container{width:100%;height:100%} .panel{border-radius:5px;padding:10px;position:absolute;z-index:1;right:10px;top:10px;border:1px solid gray;background-color:white} .panel .item{line-height:40px} .text_marker{font:15px bold sans-serif;color:#0000;text-shadow:2px 0 white;background-color:#2695bbb3;border:2px solid #43fff3;width:120px;height:40px;text-align:center} </style> <link rel="stylesheet" href="https://unpkg.com/maptalks/dist/maptalks.css"> <script type="text/javascript" src="https://unpkg.com/maptalks/dist/maptalks.min.js"></script> <body> <div class="panel"> <div class="item"> <label>horizontalAlignment</label> <select name="horizontalAlignment" id="horizontalAlignment" value="middle"> <option value="middle">middle</option> <option value="left">left</option> <option value="right">right</option> </select> </div> <div class="item"> <label>verticalAlignment</label> <select name="verticalAlignment" id="verticalAlignment" value="middle"> <option value="middle">middle</option> <option value="top">top</option> <option value="bottom">bottom</option> </select> </div> </div> <div id="map" class="container"></div> <script> var baseLayer = new maptalks.TileLayer('base', { urlTemplate: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', subdomains: ['a','b','c','d'], attribution: '© <a href="http://osm.org">OpenStreetMap</a> contributors, © <a href="https://carto.com/">CARTO</a>' }); var map = new maptalks.Map('map', { center: [114.26012989831725, 30.616193225646924], zoom: 18, pitch: 60, attribution: true, zoomControl: true, baseLayer: baseLayer }); map.on('click', function (e) { console.log(e); }); var center = map.getCenter(); var layer = new maptalks.VectorLayer('layer', { enableAltitude: true }).addTo(map); var point = new maptalks.Marker(center, { symbol: { markerType: 'ellipse', markerWidth: 5, markerHeight: 5 } }); layer.addGeometry(point); var uiMarker = new maptalks.ui.UIMarker(center, { content: '<div class="text_marker">maptalks</div>' }); uiMarker.addTo(map); function getEle(selector) { if (document.querySelector) { return document.querySelector(selector); } return document.getElementById(selector.substring(1, Infinity)); } function on(ele, type, hanlder) { ele.addEventListener(type, hanlder); } on(getEle('#horizontalAlignment'), 'change', function (e) { uiMarker.options.horizontalAlignment = this.value; }); on(getEle('#verticalAlignment'), 'change', function (e) { uiMarker.options.verticalAlignment = this.value; }); </script> </body> </html>
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