Visualization of data is of utmost importance in the modern web development space. In this regard, various frameworks including React and Angular have come to the forefront to keep the users hooked to the application. Every framework has its own charting library that comes with its own set of benefits. Specifically, Angular, which is a Google-owned open-source TypeScript-based single-page application framework, has a rich charting library with extensive features. This article has narrowed down some of the best charting features that Angular provides for enhanced web development.
Chart.js is one of the most popular Angular charting libraries, known for its simplicity and versatility. With the ng2-charts package, you can easily integrate Angular chart libraries and Chart.js with Angular applications.
It supports a variety of chart types: bar chart, line chart, pie chart, radar chart, polar area chart, and more.
It provides extensive customization options for colors, labels, tooltips, and animations.
It offers responsive design for mobile and desktop and provides optimized performance even with large datasets.
Why Choose Chart.js?
Its lightweight design and ease of use make it perfect for small to medium-sized projects where performance and simplicity are priorities.
Install the ng2-charts and chart.js packages:
npm install ng2-charts chart.jsImport the ChartsModule in your Angular module:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ChartsModule } from 'ng2-charts';
@NgModule({
declarations: [/* Your components */],
imports: [
BrowserModule,
ChartsModule
],
bootstrap: [/* Your main component */]
})
export class AppModule {}Use a chart component in your template:
<div style="display: block;">
<canvas baseChart
[datasets]="chartData"
[labels]="chartLabels"
[chartType]="chartType">
</canvas>
</div>Define the chart data and options in your component:
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
templateUrl: './app.component.html'
})
export class AppComponent {
chartData = [
{ data: [65, 59, 80, 81, 56, 55, 40], label: 'Series A' }
];
chartLabels = ['January', 'February', 'March', 'April', 'May', 'June', 'July'];
chartType = 'line';
}
Built specifically for Angular, ngx-charts leverages the D3.js library to provide robust and interactive charting capabilities. It uses vector graphics and provides a wide range of customizable and interactive chart types, making it a valuable tool for data visualization in Angular projects.
It offers extensive performance optimization features through smooth rendering and compelling animations.
It provides various statistical charting options such as area charts, horizontal bar charts, line charts, pie charts, statistical charts, and heatmap charts.
It offers animation support for dynamic data changes.
It offers a highly interactive charting experience and has Angular-specific features such as dependency injection.
If you need fully Angular-based solution bar charts with excellent customization and dynamic behavior, ngx-charts is a feasible option.
Install the @swimlane/ngx-charts package:
npm install @swimlane/ngx-chartsImport the NgxChartsModule in your Angular module:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { NgxChartsModule } from '@swimlane/ngx-charts';
@NgModule({
declarations: [/* Your components */],
imports: [
BrowserModule,
NgxChartsModule
],
bootstrap: [/* Your main component */]
})
export class AppModule {}Use a chart component in your template:
<ngx-charts-bar-vertical
[results]="chartData"
[xAxis]="true"
[yAxis]="true"
[legend]="true"
[showDataLabel]="true">
</ngx-charts-bar-vertical>Define the chart data in your component:
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
templateUrl: './app.component.html'
})
export class AppComponent {
chartData = [
{ name: 'Germany', value: 8940000 },
{ name: 'USA', value: 5000000 },
{ name: 'France', value: 7200000 }
];
}
Highcharts is a premium charting library known for its rich set of features and stunning visual line chart. The Highcharts Angular wrapper simplifies the integration bar chart using process.
It offers extensive chart types, including stock charts, maps, and 3D charts.
It provides advanced interactivity, such as drill-downs and tooltips.
It can be easily integrated into Angular applications.
While it is a paid solution, Highcharts is ideal for enterprise-level applications requiring advanced features and high-quality visuals.
Install the required packages:
npm install highcharts-angular highchartsImport the HighchartsChartModule in your Angular module:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HighchartsChartModule } from 'highcharts-angular';
@NgModule({
declarations: [/* Your components */],
imports: [
BrowserModule,The overview of angular chart libraries
HighchartsChartModule
],
bootstrap: [/* Your main component */]
})
export class AppModule {}Use a chart component in your template:
<highcharts-chart
[Highcharts]="Highcharts"
[options]="chartOptions"
style="width: 100%; height: 400px; display: block;">
</highcharts-chart>Define the chart data and options in your component:
import { Component } from '@angular/core';
import * as Highcharts from 'highcharts';
@Component({
selector: 'app-root',
templateUrl: './app.component.html'
})
export class AppComponent {
Highcharts = Highcharts;
chartOptions = {
chart: {
type: 'line'
},
title: {
text: 'Monthly Average Temperature'
},
series: [
{
name: 'Tokyo',
data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
}
]
};
}
ApexCharts refers to an open-source charting library through which developers can build interactive, visually appealing, and dynamic charts for web applications. It offers a wide range of chart types and customization options, making it suitable for creating data visualizations that are responsive and user-friendly. ApexCharts can be integrated easily with modern frameworks like Angular, React, and Vue, as well as used directly with vanilla JavaScript.
It controls every aspect of the chart, such as colors, labels, tooltips, legends google charts, and gridlines.
It provides advanced styling with themes and custom CSS.
It offers dynamic data updates that allow charts to refresh in real-time without re-rendering the page.
It is ideal for dashboards, monitoring, or live tracking.
ApexCharts comes with wrappers for popular frameworks (Angular, React, Vue) and is also compatible with plain JavaScript. Additionally, it is easy to set up, configure, and integrate into your application.
Step 1: Install ApexCharts and Angular Wrapper
Install the core apexcharts library and its Angular wrapper (ng-apexcharts) using npm:
npm install apexcharts ng-apexcharts --saveStep 2: Import ApexChartsModule
Import the ApexChartsModule in the appropriate Angular module (usually AppModule):
// app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { NgApexchartsModule } from 'ng-apexcharts';
@NgModule({
declarations: [AppComponent],
imports: [BrowserModule, NgApexchartsModule],
providers: [],
bootstrap: [AppComponent],
})
export class AppModule {}
Step 3: Add a Chart Component
Add the <apx-chart> component to your Angular template.
// app.component.ts
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
})
export class AppComponent {
chartOptions: any = {
series: [
{
name: "Sales",
data: [10, 41, 35, 51, 49, 62, 69, 91, 148],
},
],
chart: {
height: 350,
type: "line",
},
title: {
text: "Product Trends by Month",
},
xaxis: {
categories: [
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
],
},
};
}
<!-- app.component.html -->
<div>
<apx-chart
[series]="chartOptions.series"
[chart]="chartOptions.chart"
[xaxis]="chartOptions.xaxis"
[title]="chartOptions.title">
</apx-chart>
</div>
Step 4: Style the Chart (Optional)
ApexCharts includes default styles, but you can customize them with CSS.
/* app.component.css */
apx-chart {
display: block;
margin: 0 auto;
}Step 5: Customize the Chart
You can customize your chart further by modifying the chartOptions object. Examples of customizations include:
Changing the chart type (line, bar, pie, etc.)
Adding tooltips, legends, and animations
Adjusting chart dimensions and colors
Refer to the ApexCharts documentation for detailed options and configurations.
Step 6: Handle Dynamic Data (Optional)
To update the chart dynamically (e.g., from an API):
fetchData() {
// Simulate API call
setTimeout(() => {
this.chartOptions.series = [
{
name: "Sales",
data: [15, 50, 40, 60, 75, 85, 100],
},
];
}, 2000);
}
Call fetchData() in ngOnInit() or a button click handler to update the chart dynamically.
Apache ECharts is an open-source library offering highly customizable bar charts and interactive pie charts. The ngx-echarts wrapper provides seamless Angular integration. It can be integrated into Angular applications using the ngx-echarts library.
It offers a wide range of chart types, including tree, and scatter chart types, and geographic maps.
It can be easily updated with new data, allowing for real-time visualization easily.
It offers interactive features such as panning and zooming and has been optimized for large datasets.
If your application demands complex visualizations and handles large datasets, ECharts is a fantastic choice.
D3.js is a powerful library for creating custom and intricate data visualizations. Although it is not Angular-specific, it integrates well with Angular applications for developers who need ultimate flexibility.
It offers unparalleled customization for building unique charts and visualizations.
It presents a wide range of plugins for extending functionality.
It offers low-level control over SVG, HTML, and CSS.
Opt for D3.js if you have very complex interactive data representation requirements and need complete control over the overall visualization process.
FusionCharts is a commercial bar chart and library offering an Angular wrapper for its Angular bar chart-ing library capabilities. The angular-fusioncharts library provides a simple way to add FusionCharts to your Angular projects.
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It has over 100 charting library types and 2,000 data-driven chart libraries and maps.
It offers drag-and-drop capabilities for the interactive pie charts and dashboards.
It offers extensive documentation and support.
FusionCharts is perfect for developers who value professional support, extensive options, and polished aesthetics.
Popular chart libraries in Angular support a wide range of chart types, catering to various data visualization needs . Here are the most common types of Angular components:
Line Chart
Ideal for displaying trends over time.
Commonly used for sales, performance, or stock data analysis.
Bar and Column Charts
Used for comparing categorical data.
Useful for showing frequencies or distributions.
Pie and Donut Charts
Best for illustrating proportions and percentages.
Suitable for surveys or market share analysis.
Scatter and Bubble Charts
Excellent for showing relationships between two or more variables.
Area Charts
Combines aspects of both line charts and bar charts to show trends and proportions.
Heatmaps
Visualize data intensity or density in a matrix format.
Tree Maps
Represent hierarchical data using nested rectangles.
Radar Chart and Polar Area Charts
Show multi-dimensional data on a circular graph.
Candlestick Charts and OHLC Charts
Commonly used in financial data visualization to display stock prices.
Choosing the feasible one from these popular chart libraries depends on your project's specific needs. For simple and lightweight solutions, Chart.js and ngx-charts are excellent. If you are aiming for javascript chart library with advanced features and polished visuals, Apexcharts, Highcharts, ECharts, or FusionCharts is worth considering. For maximum customization, D3.js remains unmatched.
If you are thinking of building an Angular app for your next project and leveraging these charts, Angular Minds is the right place. You will be helped in every step of your highly optimized web development journey from idea generation to deployment with customized Angular services.
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