@syncfusion/ej2-vue-heatmap

Vue HeatMap Component

The Vue Heat Map 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

Create a Vue Application

You can use Vue CLI to setup your Vue 2 applications. To install Vue CLI, use the following command.

npm install -g @vue/cli
vue create quickstart
cd quickstart
npm run serve

Initiating a new project prompts us to choose the type of project to be used for the current application. Select the option Default ([Vue 2] babel, eslint) from the menu.

Add Syncfusion HeatMap package

All Syncfusion Vue packages are published in npmjs.com registry. To install Vue Heat Map package, use the following command.

npm install @syncfusion/ej2-vue-heatmap --save

Register HeatMap Component

You can register the HeatMap component in your application by using the Vue.use(). Refer to the code example given below.

import { HeatMapPlugin } from '@syncfusion/ej2-vue-heatmap';

Vue.use(HeatMapPlugin);

Registering HeatMapPlugin in Vue, will register the HeatMap component along with its required child directives globally.

Add HeatMap Component

Add the Vue HeatMap by using ejs-heatmap selector in template section of the App.vue file.

<template>
    <div id="app">
        <ejs-heatmap :dataSource='dataSource'></ejs-heatmap>
    </div>
</template>
<script>
import Vue from 'vue';
import { HeatMapPlugin } from '@syncfusion/ej2-vue-heatmap';

Vue.use(HeatMapPlugin);
export default Vue.extend ({
  data: function() {
    return {
	    dataSource: [
            [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]
	    ]
	}
  }
});
</script>

Refer the Getting Started with Vue3 topic for using Syncfusion Vue components in Vue 3 applications.

Supported frameworks

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

JavaScript	Angular	React	ASP.NET Core	ASP.NET MVC

Showcase samples

• Annual Flight Traffic Report - Live Demo
• Crude Oil Production of the Non-OPEC Countries - 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 component, is subject to the terms and conditions of Syncfusion's EULA. To acquire a license for 80+ Vue 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 2025 Syncfusion^® Inc. All Rights Reserved. The Syncfusion^® Essential Studio^® license and copyright applies to this distribution.