Do you have at least 3 data series? If so, that should work; I tested on
the visualization playground and it worked fine for me.
On Tuesday, January 15, 2013 7:48:56 PM UTC-5, Aengus Walton wrote:
>
> Hi,
>
> hideDataColumns() doesn't seem to be working for me. I've created my
> chart, made it global so I can query it from the Chrome console, and yet
> nothing happens when I call hideDataColumns. The chart has 4 data columns.
>
> If anyone has any advice, please share! I looked through this forum but
> couldn't find anything that helped.
>
> My chart object is created:
>
> chart = new
> google.visualization.AnnotatedTimeLine(document.getElementById('chart_div'));
> chart.draw(data, {
> displayAnnotations: true,
> zoomStartTime: addMonths(new Date(), -2),
> dateFormat: 'HH:mm MMMM dd, yyyy',
> allowRedraw: true
> });
>
> (the "addMonths()" function being the same as
> http://stackoverflow.com/a/1648448/221001 )
>
> Here is an example Chrome console session (which results in nothing
> changing):
>
> chart
> sm
> chart.hideDataColumns(2)
> undefined
> chart.hideDataColumns([1, 2])
> undefined
>
>
>
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