The Zoom method is the effect of animation, which zooms the map from the empty map to the whole map.

<MapSeries ... >
  <showDataEffect ... interactive="true" ... >
    <SeriesZoom duration="1000" />

<SeriesZoom Properties>

duration This property is to set the total time to be taken for effect (unit : millisecond).
elementOffset This property is to set the time interval of the effect of each element (unit : millisecond, default value : 20).

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