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Example of Large Data in ASP.NET Core HeatMap Chart Control

This sample visualizes the annual traffic report of an airport with the number of flight arrivals in a year.The data label is disabled in this sample, the tooltip displays the data point values.

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In this example, you can see how to switch the Heatmap to canvas rendering mode.The rendering performance will be better in Canvas rendering mode, while loading large datasets. You can switch the rendering mode for Heatmap between SVG and Canvas using the renderingMode property. When the renderingMode property is set to Auto, the rendering mode will be switched automatically based of the size of data source to improve the rendering performance.

The tooltip is enabled in this example. To see the tooltip in action, hover the mouse over an item or tap an item on touch-enabled devices.


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