Bubble plot bad performance issue

Bubble plot bad performance issue

Posted by: Yifan_Zhang on 19 September 2023, 6:14 pm EST

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  Yifan_Zhang

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  Posted 19 September 2023, 6:14 pm EST

  I found the bubble plot had a serious performance issue: the rendering time increases quadratically based on the number of points. So for 50k points, there would be at least 10 seconds delay. I have spotted the problematic code in bubble plotter’s _drawSymbol:

  var areas = this.hitTester._map[this.chart.series.indexOf(series)];
                              if (areas != null) {
                                  var len = areas.length;
                                  for (var i = len - 1; i >= 0; i--) {
                                      var area = areas[i];
                                      if (area.tag && area.tag.pointIndex == pointIndex) {
                                          var ca = wijmo.tryCast(area, chart._CircleArea);
                                          if (ca)
                                              ca.setRadius(0.5 * sz);
                                      }
                                  }
                              }

  
  
  This code iterates through every point for every draw symbol process which significantly impacts the performance. Could you please fix this issue? Thanks.

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  sonu.pandey

  

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  Posted 20 September 2023, 9:35 pm EST

  ​Hello,

  We are able to replicate the issue at our end and have escalated the issue to our Dev team for further investigation with an internal tracking ID WJM-31099. We will provide you with a response on this as soon as we get any updates.

  Regards

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  sonu.pandey

  

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  Posted 4 October 2023, 8:30 pm EST

  Hello,

  We are glad to inform you that the issue has been fixed in the latest nightly build 5.20231.907-nightly.d20231005.t025542 and will be available in the next release build. Thank you for your patience and cooperation.

  Regards

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  Yifan_Zhang

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  Posted 5 October 2023, 2:27 am EST

  Thanks for the response. I’ll give it a try.