Ahh, I see. You can do this with a single data series with a custom
tooltip that contains the information you want:
var data = google.visualization.arrayToDataTable([
['Date', 'Value', {role: 'tooltip', type: 'string', p: {html: true}}],
[new Date(2014, 7, 28), 305, '<div>Seance individuelle 1 - Musculation
du haut: <b>40</b><br/>Seance individuelle 1: <b>225</b><br/>Seance
individuelle 1 - Musculation du bas: <b>40</b></div>']
]);
In the chart options, you have to set the tooltip.isHtml option to true.
On Friday, September 5, 2014 3:56:19 AM UTC-4, Alexandre Carrie wrote:
>
> I have a bar with several boxes. But what I want is a bar without the
> boxes, just the bar, with only one tooltip which contains all the
> activities of my training session.
> Like this :
>
> <https://lh5.googleusercontent.com/-pp5MfjDVdy4/VAlrsCF_cTI/AAAAAAAAACI/PzWFlDYn35k/s1600/HELP.png>
> Just one blue block for my individual training session, but all the
> activities of the individual training session visible in the tooltip.
>
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