maptalks - 增加一个数据项

增加一个数据项

index.html

<!DOCTYPE html>
<html>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>instance模型 - 增加一个数据项</title>
  <style type="text/css">
    html,body{margin:0px;height:100%;width:100%}
    .container{width:100%;height:100%}
  </style>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.css">
  <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.min.js"></script>
  <script type="text/javascript" src="/gltf-examples/lib/maptalksgl.js"></script>
  <script type="text/javascript" src="/gltf-examples/lib/maptalks.gltf.js"></script>
  <body>
    
    <div id="map" class="container"></div>

    <script>
      var map = new maptalks.Map('map', {
        center: [-0.113049,51.498568],
        zoom: 14,
        pitch: 75,
        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 url = '../../../../resource/gltf/cube-animation/cube.gltf';
      var symbol = {
        animation: true,
        loop: true,
        url: url,
        rotation: [90, 0, 0],
        uniforms: {
          'baseColorFactor': [0.8, 0.0, 0.0, 1.0]
        }
      };
      
      var gltflayer = new maptalks.GLTFLayer('groupgltflayer').addTo(map);
      var position = map.getCenter();
      
      //准备groupgltfmarker的数据
      var data = [];
      var coordinate = position.add(0, 0);
      for (let i = 0; i < 10; i++) {
          for (let j = 0; j < 10; j++) {
              data.push({
                  coordinates : coordinate.add(i * 0.01, j * 0.01),
                  translation : [0, 0, 0],
                  rotation : [0, 0, 0],
                  scale : [1, 1, 1],
                  color : [i / 15 + 0.2, 0.1 + j / 12, 1.0 - (i + j) / 20, 0.9]
              });
          }
      }
      
      var groupgltfmarker = new maptalks.GroupGLTFMarker(data, {
        symbol: symbol
      }).addTo(gltflayer);
      
      groupgltfmarker.addData({
        coordinates : coordinate.add(-0.02, 0.01),
        translation : [0, 0, 0],
        rotation : [0, 0, 0],
        scale : [2, 2, 2],
        color : [1.0, 0.4, 0.3, 1.0]
      });

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

var gltflayer = new maptalks.GLTFLayer('groupgltflayer').addTo(map);
var position = map.getCenter();

//准备groupgltfmarker的数据
var data = [];
var coordinate = position.add(0, 0);
for (let i = 0; i < 10; i++) {
  for (let j = 0; j < 10; j++) {
    data.push({
      coordinates: coordinate.add(i * 0.01, j * 0.01),
      translation: [0, 0, 0],
      rotation: [0, 0, 0],
      scale: [1, 1, 1],
      color: [i / 15 + 0.2, 0.1 + j / 12, 1.0 - (i + j) / 20, 0.9]
    });
  }
}

var groupgltfmarker = new maptalks.GroupGLTFMarker(data, {
  symbol: symbol
}).addTo(gltflayer);

groupgltfmarker.addData({
  coordinates: coordinate.add(-0.02, 0.01),
  translation: [0, 0, 0],
  rotation: [0, 0, 0],
  scale: [2, 2, 2],
  color: [1.0, 0.4, 0.3, 1.0]
});