You need to use a "select" event handler for the chart:
google.visualization.events.addListener(chart, 'select', function () {
var selection = chart.getSelection();
// selection is an array of objects
// iterate over the array in case there are zero (an element was
deselected) or multiple selections
for (var i = 0; i < selection.length; i++) {
// selection[i].row is the row index, if row is null, then the user
clicked on the legend
// selection[i].column is the column index, if column is null, then
the user clicked on a domain axis label
// do something with selected element
}
});
On Monday, May 26, 2014 10:21:17 AM UTC-4, Ananya Ojha wrote:
>
> i am using google charts, for every data points(circles) I want to be able
> to click on that and open a light box showing some data. Can anybody help?
>
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