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VGrammar Data Magician

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VMind Smart Visualization Suit

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VStory Relationship Explorer plus

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!!!###!!!title=193-How to clear charts and data——VisActor/VChart FAQ documents!!!###!!!

How to clear charts and data?

Problem Description

Is there an API that can clear a rendered chart? Expect to clear the graphics in the chart, but keep components such as axes.

solution

In VChart, if you want to clear the entire chart, you can directly call the release method of the chart instance. If you want to clear only the graph of the chart but keep components such as the axis, you can use the updateData method to set the data to empty, as follows:

// Assume your data id is 'data'
vchart.updateData('data', []);