maptalks - 矢量标注渐变填充

矢量标注渐变填充

index.html

<!DOCTYPE html>
<html>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>图形样式 - 矢量标注渐变填充</title>
  <style type="text/css">
    html,body{margin:0px;height:100%;width:100%}
    .container{width:100%;height:100%}
  </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: [-0.113049,51.49856],
        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 marker0 = new maptalks.Marker([-0.109049,51.49856], {
        symbol:{
          'markerType' : 'ellipse',
          'markerFill' : {
            'type' : 'linear',
            'places' : [0, 0, 1, 1],
            'colorStops' : [
              [0.00, '#fff'],
              [0.50, '#fff27e'],
              [1, '#f87e4b']
            ]
          },
          'markerLineWidth' : 0,
          'markerWidth' : 100,
          'markerHeight' : 100
        }
      }).addTo(layer);

      var marker1 = new maptalks.Marker([-0.119049,51.49856], {
        symbol:{
          'markerType' : 'ellipse',
          'markerFill' : {
            'type' : 'radial',
            'colorStops' : [
              [0.00, 'rgba(216,115,149,0)'],
              [0.50, 'rgba(216,115,149,1)'],
              [1.00, 'rgba(216,115,149,1)']
            ]
          },
          'markerLineWidth' : 0,
          'markerWidth' : 100,
          'markerHeight' : 100
        }
      }).addTo(layer);


    </script>
  </body>
</html>

var map = new maptalks.Map('map', {
  center: [-0.113049, 51.49856],
  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: '© <a href="http://osm.org">OpenStreetMap</a>  contributors, © <a href="https://carto.com/">CARTO</a> '
  })
});

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

var marker0 = new maptalks.Marker([-0.109049, 51.49856], {
  symbol: {
    'markerType': 'ellipse',
    'markerFill': {
      'type': 'linear',
      'places': [0, 0, 1, 1],
      'colorStops': [
        [0.00, '#fff'],
        [0.50, '#fff27e'],
        [1, '#f87e4b']
      ]
    },
    'markerLineWidth': 0,
    'markerWidth': 100,
    'markerHeight': 100
  }
}).addTo(layer);

var marker1 = new maptalks.Marker([-0.119049, 51.49856], {
  symbol: {
    'markerType': 'ellipse',
    'markerFill': {
      'type': 'radial',
      'colorStops': [
        [0.00, 'rgba(216,115,149,0)'],
        [0.50, 'rgba(216,115,149,1)'],
        [1.00, 'rgba(216,115,149,1)']
      ]
    },
    'markerLineWidth': 0,
    'markerWidth': 100,
    'markerHeight': 100
  }
}).addTo(layer);