Dimensions in React HeatMap Chart component

20 Oct 2021 / 3 minutes to read

Size for container

Heat map can be rendered to its container size. You can set the size through inline or CSS.

    <div id='container'>
        <div id='element' style="width:650px; height:350px;"></div>
    </div>

Size for heat map

You can set the size of heat map directly by using the width and height properties.

In pixel

You can set the size for heat map in a pixel.

Source

Preview

App.tsx

index.tsx

App.jsx

index.jsx

import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip, Adaptor } from '@syncfusion/ej2-react-heatmap';

class App extends React.Component {
    private heatmapData: any [] = [
            [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]
    ];
    render() {
    return ( <HeatMapComponent id='heatmap'
            width = {'650px'}
            height = {'350px'}
            titleSettings = { {
                text: 'Sales Revenue per Employee (in 1000 US$)',
                textStyle: {
                    size: '15px',
                    fontWeight: '500',
                    fontStyle: 'Normal',
                    fontFamily: 'Segoe UI'
                }
            } }
            xAxis = { {
                labels: ['Nancy', 'Andrew', 'Janet', 'Margaret', 'Steven',
            'Michael', 'Robert', 'Laura', 'Anne', 'Paul', 'Karin',   'Mario'],
            } }
            yAxis = { {
                labels: ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat'],
            } }
            dataSource={this.heatmapData}>
            </HeatMapComponent> );
    }
}
ReactDOM.render(<App />, document.getElementById('heatmap'));

import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent } from '@syncfusion/ej2-react-heatmap';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.heatmapData = [
            [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]
        ];
    }
    render() {
        return (<HeatMapComponent id='heatmap' width={'650px'} height={'350px'} titleSettings={{
            text: 'Sales Revenue per Employee (in 1000 US$)',
            textStyle: {
                size: '15px',
                fontWeight: '500',
                fontStyle: 'Normal',
                fontFamily: 'Segoe UI'
            }
        }} xAxis={{
            labels: ['Nancy', 'Andrew', 'Janet', 'Margaret', 'Steven',
                'Michael', 'Robert', 'Laura', 'Anne', 'Paul', 'Karin', 'Mario'],
        }} yAxis={{
            labels: ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat'],
        }} dataSource={this.heatmapData}>
            </HeatMapComponent>);
    }
}
ReactDOM.render(<App />, document.getElementById('heatmap'));

In percentage

By setting value in percentage, heat map gets its dimension with respect to its container. For example, when the height is ‘50%’, heat map rendered to half of the container height.