GIS工具maptalks开发手册(三)01—

GIS工具maptalks开发手册(三)01——绘制工具

news2024/11/16 18:40:18

GIS工具maptalks开发手册(三)01——绘制工具

效果

在这里插入图片描述

代码

1、html官方版

<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>交互 - 绘制工具</title>
<style type="text/css">
  html,
  body {
    margin: 0px;
    height: 100%;
    width: 100%;
  }

  .container {
    width: 900px;
    height: 500px;
    margin: 50px;
  }
</style>
<link rel="stylesheet" href="https://unpkg.com/maptalks/dist/maptalks.css">
<script type="text/javascript" src="https://unpkg.com/maptalks/dist/maptalks.min.js"></script>

<body>

  <div id="map" class="container"></div>

  <script>

    var map = new maptalks.Map('map', {
      center: [-0.113049, 51.498568],
      zoom: 14,
      baseLayer: new maptalks.TileLayer('base', {
        urlTemplate: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
        subdomains: ['a', 'b', 'c', 'd'],
        attribution: '&copy; <a href="http://osm.org">OpenStreetMap</a> contributors, &copy; <a href="https://carto.com/">CARTO</a>'
      })
    });

    var layer = new maptalks.VectorLayer('vector').addTo(map);

    var drawTool = new maptalks.DrawTool({
      mode: 'Point'
    }).addTo(map).disable();

    drawTool.on('drawend', function (param) {
      console.log(param.geometry);
      layer.addGeometry(param.geometry);
    });

    var items = ['Point', 'LineString', 'Polygon', 'Circle', 'Ellipse', 'Rectangle', 'FreeHandLineString', 'FreeHandPolygon'].map(function (value) {
      return {
        item: value,
        click: function () {
          drawTool.setMode(value).enable();
        }
      };
    });

    var toolbar = new maptalks.control.Toolbar({
      items: [
        {
          item: 'Shape绘制',
          children: items
        },
        {
          item: 'Disable结束',
          click: function () {
            drawTool.disable();
          }
        },
        {
          item: 'Clear清空',
          click: function () {
            layer.clear();
          }
        }
      ]
    }).addTo(map);

  </script>
</body>

</html>