[GitHub] [incubator-echarts] jeremyChenMing opened a new issue #13020: echart在h5端，手指缩放过于敏感，稍微放大一下，zoom就扩大几百，能不能有缓和的参数调整

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

jeremyChenMing opened a new issue #13020:
URL: https://github.com/apache/incubator-echarts/issues/13020


   ### What problem does this feature solve?
   1、geo加scatter组合的echart实例
   2、在pc端调试，鼠标滚动滑动感觉放大和缩小的zom值的跨度也就是个位数
   3、但是在h5，app中操作的时候的时候，手指缩放，地图放大的就特别厉害，感觉灵敏度太高，所有不好把控放大到多少倍，有什么操作
   
   ### What does the proposed API look like?
   期望有一个参数可以控制缩放的范围
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   


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