Leaflet Ant Path(水系流动效果)

news2024/11/24 15:54:28

一、源代码：

用leaflet库中的Leaflet.AntPath插件将通量动画（如蚂蚁行走）放入折线中

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <meta charset="utf-8" />
    <link
      rel="stylesheet"
      href="https://unpkg.com/leaflet@1.9.3/dist/leaflet.css"
      integrity="sha256-kLaT2GOSpHechhsozzB+flnD+zUyjE2LlfWPgU04xyI="
      crossorigin=""
    />
    <script
      src="https://unpkg.com/leaflet@1.9.3/dist/leaflet.js"
      integrity="sha256-WBkoXOwTeyKclOHuWtc+i2uENFpDZ9YPdf5Hf+D7ewM="
      crossorigin=""
    ></script>
    <script type="text/javascript" src="./js/leaflet.ChineseTmsProviders.js"></script>
    <!--纠偏-->
    <script type="text/javascript" src="./js/leaflet.mapCorrection.min.js"></script>
    <script  type="text/javascript" src="https://unpkg.com/leaflet-ant-path"></script>
    <style>
      html,
      body {
        height: 100%;
        width: 100%;
        padding: 0;
        margin: 0;
      }
      #map {
        height: 100%;
        width: 100%;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>
    <script>
      var map = L.map('map', {
        center: [39.90554, 116.39133],
        zoom: 15,
        zoomControl: false
      });
      var gaodeMap = L.tileLayer.chinaProvider('GaoDe.Normal.Map').addTo(map);
      //设置参照物
      L.marker([39.90554, 116.39133])
        .addTo(map)
        .bindPopup('<p>我是WGS84坐标下，天安门广场国旗所在位置</p>');
      drawWaterSystem();
      //绘制水系图
      function drawWaterSystem(){
        let data = [
          [39.90681,116.38846],
          [39.90685, 116.3894],
          [39.90675, 116.39124],
          [39.90695, 116.39307],
          [39.90699, 116.3941],
          [39.90708, 116.39703],
          [39.90719, 116.40026]
        ];
        let options = {
          use: L.polyline,
          delay: 900,
          dashArray: [10, 20],
          weight: 3,//宽度
          color: 'blue',
          pulseColor: '#FFFFFF'
        };
        for (let key in data) {
          let waterPath = L.polyline.antPath(data, options);
          waterPath.addTo(map);
        }
      };
    </script>
  </body>
</html>

二、效果图