Set the tooltip.trigger option to "selection" or "both". Setting it to
"selection" shows the tooltip only when a user clicks the pie slice,
setting it to "both" shows the tooltip when the user hovers over or clicks
the slice. The, create a "ready" event handler that sets the selection on
the chart:
google.visualization.events.addListener(chart, 'ready', function () {
chart.setSelection([{
row: 0 // select the first slice (row 0 in the DataTable)
}]);
});
On Wednesday, June 4, 2014 10:17:54 AM UTC-4, karthik ram wrote:
>
> Hi,
>
> I have implemented the Google Graph API to display the pie chart. Also I
> have implemented the Tooltip, this feature is really awesome. But I wanted
> to show the content being displayed mouse over as default.
> So that user can see the tool-tip content without placing the cursor over
> the graph.
>
> Thanks in advance.
>
> Karthik
>
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