本文实例为大家分享了openlayers4实现点的扩散效果,供大家参考,具体内容如下
<!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> <div id=\"map\" style=\"width: 100%;height: 100%\"></div> <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_div = document.createElement(\'div\'); point_div.className = \'css_animation\'; point_overlay = new ol.Overlay({ element:point_div, positioning:\'center-center\' }); map.addOverlay(point_overlay); point_overlay.setPosition([12950000, 4860000]); </script> </body> </html>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
© 版权声明
THE END
暂无评论内容