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1.9.2.1 点坐标 - 聚合

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2023-12-01

引入插件

import VueAMap from 'vue-amap';

VueAMap.initAMapApiLoader({
  key: 'YOUR CODE',
  plugin: [..., 'MarkerClusterer']
});
<vuep template="#example"></vuep>

<template>
  <div class="amap-page-container">
    <el-amap
      vid="amapDemo"  
      :center="center"
      :zoom="zoom"
      class="amap-demo"
      :events="events">
      <el-amap-marker v-for="marker in markers" :position="marker.position" :content="marker.content" :events="marker.events"></el-amap-marker>
    </el-amap>
  </div>
</template>

<style>
  .amap-demo {
    height: 300px;
  }
</style>

<script>
  module.exports = {
    data: function() {
      let self = this;

      return {
        zoom: 12,
        center: [121.59996, 31.197646],
        markers: [],
        markerRefs: [],
        events: {
          init(o) {
            setTimeout(() => {
              console.log(self.markerRefs);
              let cluster = new AMap.MarkerClusterer(o, self.markerRefs,{
                gridSize: 80,
                renderCluserMarker: self._renderCluserMarker
              });
              console.log(cluster);
            }, 1000);
          }
        }
      };
    },

    created() {
      let self = this;
      let markers = [];
      let index = 0;

      let basePosition = [121.59996, 31.197646];

      while (++index <= 30) {
        markers.push({
          position: [basePosition[0] + 0.01 * index, basePosition[1]],
          content: '<div style="text-align:center; background-color: hsla(180, 100%, 50%, 0.7); height: 24px; width: 24px; border: 1px solid hsl(180, 100%, 40%); border-radius: 12px; box-shadow: hsl(180, 100%, 50%) 0px 0px 1px;"></div>',
          events: {
            init(o) {
              self.markerRefs.push(o);
            }
          }
        });
      }

      this.markers = markers;
    },

    methods: {
      _renderCluserMarker(context) {
        const count = this.markers.length;

        let factor = Math.pow(context.count/count, 1/18)
        let div = document.createElement('div');
        let Hue = 180 - factor* 180;
        let bgColor = 'hsla('+Hue+',100%,50%,0.7)';
        let fontColor = 'hsla('+Hue+',100%,20%,1)';
        let borderColor = 'hsla('+Hue+',100%,40%,1)';
        let shadowColor = 'hsla('+Hue+',100%,50%,1)';
        div.style.backgroundColor = bgColor
        let size = Math.round(30 + Math.pow(context.count/count,1/5) * 20);
        div.style.width = div.style.height = size+'px';
        div.style.border = 'solid 1px '+ borderColor;
        div.style.borderRadius = size/2 + 'px';
        div.style.boxShadow = '0 0 1px '+ shadowColor;
        div.innerHTML = context.count;
        div.style.lineHeight = size+'px';
        div.style.color = fontColor;
        div.style.fontSize = '14px';
        div.style.textAlign = 'center';
        context.marker.setOffset(new AMap.Pixel(-size/2,-size/2));
        context.marker.setContent(div)
      }
    }
  };
</script>