You can provide a list of columns that return no data, which will draw an
empty chart, eg:
columns: [1, {
type: 'number',
calc: function () {return null;}
}];
or you can clear the chart to remove it from the page:
chart.getChart().clearChart();
On Sunday, June 1, 2014 2:51:12 PM UTC-4, cyb wrote:
>
> Hi,
>
> i use a chartwarapper to draw different charts and each chart gets
> normally a view like this:
>
> view : {columns: [1,2,3]}
>
> then it draws me the 3 values. but sometimes i need an empty chart.
>
> the problem is, if i draw a chart with this view "view : {columns:
> [1,2,3}" and after that i provide only an empty view like this "view :
> {columns:}" i get an error and the old chart is still alive.
> but i want, if i provide an emty view that the actual chart is deleted and
> shows no data.
> Is this possible ?
>
> Best regards
> cyb
>
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