Hey... ive noticed some weird animation in some charts where i hide the series using the legend.

How can i the chart of extjs doing the same animation as, for example, those of highcharts?

As a compare:
Extjs: http://dev.sencha.com/deploy/ext-4.0...tackedBar.html
Highchart: http://www.highcharts.com/demo/bar-stacked

When i hide a series in highcharts, the bars stay in the same column/row, so they dont flip around like in extjs.