[GitHub] [echarts] zhoufanglu removed a comment on issue #14550: 关于effectScatter经纬度不准确的问题

[GitBox <gi...@apache.org>]

zhoufanglu removed a comment on issue #14550:
URL: https://github.com/apache/echarts/issues/14550#issuecomment-809876437


   > 注意坐标系，阿里云这个应该是高德坐标系，在百度地图上显示需要转换下。
   
   转换过了 没有效果
   ```
       //将腾讯/高德地图经纬度转换为百度地图经纬度
       qqMapTransBMap(lng, lat) {
         let x_pi = 3.14159265358979324 * 3000.0 / 180.0;
         let x = lng;
         let y = lat;
         let z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);
         let theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);
         let lngs = z * Math.cos(theta) + 0.0065;
         let lats = z * Math.sin(theta) + 0.006;
   
         return {
           lng: lngs,
           lat: lats
         }
       }
   ```


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