這篇文章主要為大家詳細介紹了基於openlayers4實現點的擴散效果,具有一定的參考價值,有興趣的小伙伴們可以參考一下
本文實例為大家分享了openlayers4實現點的擴散效果,供大家參考,具體內容如下
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <link rel="stylesheet" href="https://openlayers.org/en/v4.6.4/css/ol.css" rel="external nofollow" type="text/css"> <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x --> <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script> <script src="https://openlayers.org/en/v4.6.4/build/ol.js"></script> <style> .css_animation{ height:100px; width:100px; border-radius: 50%; background: rgba(255, 0, 0, 0.9); transform: scale(0); animation: myfirst 3s; animation-iteration-count: infinite; } @keyframes myfirst{ to{ transform: scale(2); background: rgba(0, 0, 0, 0); } } </style> </head> <body> <p id="map" style="width: 100%;height: 100%"></p> <script> var map = new ol.Map({ layers:[new ol.layer.Tile({ source:new ol.source.OSM() })], target:'map', view:new ol.View({ center: [12950000, 4860000], zoom:7 }) }); var point_p = document.createElement('p'); point_p.className = 'css_animation'; point_overlay = new ol.Overlay({ element:point_p, positioning:'center-center' }); map.addOverlay(point_overlay); point_overlay.setPosition([12950000, 4860000]); </script> </body> </html>
上面是我整理給大家的,希望今後會對大家有幫助。
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