Angular HeatMap Component

The Angular HeatMap component 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

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You can use Angular CLI to setup your Angular applications. To install the Angular CLI, use the following command.

``bash
npm install -g @angular/cli
`

Create a new Angular application using the following Angular CLI command.

`bash
ng new my-app
cd my-app
`

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All Syncfusion® Angular packages are available in npmjs.com. To install the Angular HeatMap package, use the following command.

`sh
npm install @syncfusion/ej2-angular-heatmap
`

The above command does the below configuration to your Angular app.

* Adds @syncfusion/ej2-angular-heatmap package and its peer dependencies to your package.json file.
* Imports the HeatMapModule in your application module app.module.ts.
* Registers the Syncfusion® UI default theme (material) in the angular.json file.

This makes it easy to add the Syncfusion® Angular HeatMap module to your project and start using it in your application.

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In src/app/app.component.ts, use selector in the template attribute of the @Component directive to render the Syncfusion® Angular HeatMap component.

`typescript
import { Component, ViewEncapsulation } from '@angular/core';
import { HeatMap } from '@syncfusion/ej2-heatmap';

@Component({
selector: 'my-app',
template:

,
encapsulation: ViewEncapsulation.None
})
export class AppComponent{
dataSource: Object[] = [
[73, 39, 26, 39, 94, 0],
[93, 58, 53, 38, 26, 68],
[99, 28, 22, 4, 66, 90],
[14, 26, 97, 69, 69, 3],
[7, 46, 47, 47, 88, 6],
[41, 55, 73, 23, 3, 79],
[56, 69, 21, 86, 3, 33],
[45, 7, 53, 81, 95, 79],
[60, 77, 74, 68, 88, 51],
[25, 25, 10, 12, 78, 14],
[25, 56, 55, 58, 12, 82],
[74, 33, 88, 23, 86, 59]
];
}
``

Supported frameworks

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

|
     JavaScript     |
       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
* Fitness Tracker - 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.

Resources

* Documentation
* Theme Studio
* What's New
* Road Map
* E-Books

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 component, is subject to the terms and conditions of Syncfusion's EULA. To acquire a license for 140+ Angular UI components, 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 2026 Syncfusion^® Inc. All Rights Reserved. The Syncfusion^® Essential Studio^® license and copyright applies to this distribution.