MohammadYounes opened a new issue #11029: Pie expansion animation behavior URL: https://github.com/apache/incubator-echarts/issues/11029 ### Version 4.2.1 ### Steps to reproduce When loading Pie series along with data, the expansion animation is continues, ![continues](https://user-images.githubusercontent.com/4712046/63129101-55c2cf80-bfbf-11e9-95d5-df17b2058904.gif) Code Sample: ```js var data = [ {"name":"A1B·1","value":92386}, {"name":"BB1·","value":90611}, {"name":"1BB","value":12596}, {"name":"2BA·1","value":9438}, {"name":"1BA","value":10049} ] option = { series : [ { type: 'pie', animationType:'expansion', animationDuration:5000, startAngle:0, endAngle:360, radius : ['50%','80%'], center: ['40%', '50%'], data: data // set along with series } ] }; ``` But when setting the data while the series has already been added, the expansion animation becomes discrete (per pie piece). ![discrete](https://user-images.githubusercontent.com/4712046/63129138-73903480-bfbf-11e9-80e7-7af65d575166.gif) Code Sample: ```js var data = [ {"name":"A1B·1","value":92386}, {"name":"BB1·","value":90611}, {"name":"1BB","value":12596}, {"name":"2BA·1","value":9438}, {"name":"1BA","value":10049} ] option = { series : [ { type: 'pie', animationType:'expansion', animationDuration:5000, animationDurationUpdate:5000, startAngle:0, endAngle:360, radius : ['50%','80%'], center: ['40%', '50%'] } ] }; //set after rendering setTimeout(function() { myChart.setOption({ series:[ { data: data } ] }) }, 500); ``` Is there away to force continues animation even if data is added later? ### What is expected? Continues Pie Chart Animation ### What is actually happening? Discrete Pie Chart Animation <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE --> <!-- This issue is in English. DO NOT REMOVE -->
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