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I want to implement some text in middle of the Doughnut chart at Charts.js The first step is 5to draw some text on the chart canvas.

When i move my cursor to red bar chartjs draw some tooltip(Red:300) on the canvas and deletes my text as a result.

How can i avoid all the canvas redraws by the chartjs after the initial chart is drawn?

I want to implement some text in middle of the Doughnut chart at Charts.js The first step is 5to draw some text on the chart canvas.

When i move my cursor to red bar chartjs draw some tooltip(Red:300) on the canvas and deletes my text as a result.

How can i avoid all the canvas redraws by the chartjs after the initial chart is drawn?

• javascript
• chart.js

Share Improve this question Follow asked Aug 23, 2015 at 7:10 Alexander GorelikAlexander Gorelik 4,41566 gold badges3838 silver badges5454 bronze badges

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2 Answers 2

Sorted by: Reset to default 7

You can turn off tooltips (and the associated redraw) by using the showTooltips option

var myPieChart = new Chart(ctx).Doughnut(data, {
    showTooltips: false
});

For chart.js v2, the new way to do it is to pass an empty events array to the options.

your options:

let chartOptions = {
    responsive: true,
    events: [],
    ...
};

http://www.chartjs/docs/#chart-configuration-mon-chart-configuration

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