123456789101112131415161718192021222324252627282930313233343536373839404142434445464748<html><head><meta charset="UTF-8"><meta name="viewport"content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><link href='http://bigemap.com:9000/bigemap-gl.js/v1.1.0/Widgets/widgets.css' rel='stylesheet'/><script src='http://bigemap.com:9000/bigemap-gl.js/v1.1.0/bigemap-gl.js'></script><title>可视域</title></head><style type="text/css">* {padding: 0;margin: 0;}html, body, #map {width: 100%;height: 100%;}#start {position: absolute;left: 50px;top: 50px;z-index: 9999;}#step {position: absolute;left:120px;top: 50px;z-index: 9999;}.info{position: fixed;top:0;color: #8a6d3b;z-index: 99;margin: 0;background-color: #fcf8e3;border-color: #faebcc;left: 0;right: 0;text-align: center;}</style><body><div id="map"></div><div class="info">先点击开始,然后再次单击地图,即可实现可视域分析功能ההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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