@syncfusion/ej2-heatmap

JavaScript HeatMap Control

The JavaScript HeatMap control is a graphical representation of two-dimensional data where the values are represented with gradient or solid color variations. The data points are rendered as HeatMap cells using Scalable Vector Graphics (SVG) or canvas UI rendering.

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Setup

To install the HeatMap and its dependent packages, use the following command.

npm install @syncfusion/ej2-heatmap

Supported frameworks

HeatMap control is also offered in the following list of frameworks.

Angular	React	Vue	ASP.NET Core	ASP.NET MVC

Showcase samples

• Annual Flight Traffic Report - Live Demo
• Expense Tracker - Source, Live Demo
• Loan Calculator - Source, Live Demo

Key features

• Data binding: Binding data in JSON and two-dimensional array formats is supported.
• Axis types: Supports three different types of axes to populate the data, namely Numerical, Categorical and DateTime.
• Axis: Supports inverted axis, opposed position and axis intervals.
• Rendering modes: Supports automatic switching between SVG and Canvas rendering modes based on the data source length.
• Palette: Different colors are provided for different value ranges to be used in the cells.
• Legend: Summarizes the information for the colors which represents each values in HeatMap.
• Tooltip: Provides information about the cell values on hover.
• Selection: Supports selecting the cells that will be the center of attraction.
• Templates: Templates can be used to create custom user experience in the tooltip of the heatmap.

Support

Product support is available through the following mediums.

• Support ticket - Guaranteed Response in 24 hours | Unlimited tickets | Holiday support
• Community forum
• GitHub issues
• Request feature or report bug
• Live chat

Changelog

Check the changelog here. Get minor improvements and bug fixes every week to stay up to date with frequent updates.

License and copyright

This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this control, is subject to the terms and conditions of Syncfusion's EULA. To acquire a license for 80+ JavaScript UI controls, you can purchase or start a free 30-day trial.

A free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

See LICENSE FILE for more info.

© Copyright 2023 Syncfusion, Inc. All Rights Reserved. The Syncfusion Essential Studio license and copyright applies to this distribution.