Example of undefined in Javascript Heatmap Chart Control

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Legend Placement

This sample visualizes the hourly weather forecast for some major European cities. The data label is disabled in this sample, the tooltip displays the data point values. In property panel, the options are available to change the display position of the Heatmap legend axes by means of dropdown.

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Legend Position:
Description

In this example, you can see how to change the display position of the Heatmap legend. You can change the display position of legend to left, right, bottom and top by using the position property in legendSettings. 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. Injecting Module Heatmap component features are separated into discrete feature-based modules. To use a tooltip, inject the Tooltip module using the Heatmap.Inject(Tooltip) method and to use a legend, inject the Legend module using the Heatmap.Inject(Legend) method.