BIGEMPA Js API示例中心
地图打点射线源代码展示

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                                    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="http://snapsvg.io/assets/js/snap.svg-min.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/d3/5.16.0/d3.min.js"></script>
</head>
<style>
    #map {
        width: 900px;
        height: 900px;
        background: #fff;
    }
    .tip {
        font-size: 40px;
        color: red;
        margin-bottom: 30px;
    }
</style>
<body>
    <div class="tip">地图数据请前往bigemap地图下载器进行下载</div>
    <div id="map"></div>
</body>
<script>
    d3.json('/Public/d3json/sichuan.json').then((data) => {
        //获取地图数据
        var root = data
        //定义画布宽高
        var width = 900;
        var height = 900;
        //画布
        var svg = d3.select("#map").append('svg')
            .attr('id', "mapSvg")
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