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ng2-charts npm version npm downloads slack

Beautiful charts for Angular2 based on Chart.js

NPM NPM

Usage & Demo

Sample in below website uses ng2-charts@1.1.0

http://valor-software.github.io/ng2-charts/ http://plnkr.co/edit/7fGsiuRjcF0M0Ffeoml2?p=preview

Installation

  1. You can install ng2-charts using npm
npm install ng2-charts --save
  1. You need to install and include Chart.js library in application via html or webpack bundler (more options can be found in official chart.js documentation)
npm install chart.js --save

Important: Embedding Chart.js in application is mandatory!

<script src="node_modules/chart.js/src/chart.js"></script>

Usage & Demo

Demo and API details of ng2-charts can be found here: demo and source code.

System.js

System.js bundles can be found in bundles directory of npm package or at npm cdn

API

Import

import { ChartsModule } from 'ng2-charts/ng2-charts';

// In your App's module:
imports: [
   ChartsModule
]

Chart types

There are one directive for all chart types: base-chart, and there are 6 types of charts: , line, bar, radar, pie, polarArea, doughnut.

Properties

Note: For more information about possible options please refer to original chart.js documentation

  • data (Array<number[]> | number[]) - set of points of the chart, it should be Array<number[]> only for line, bar and radar, otherwise number[];
  • datasets (Array<{data: Array<number[]> | number[], label: string}>) - data see about, the label for the dataset which appears in the legend and tooltips
  • labels (?Array<any>) - x axis labels. It's necessary for charts: line, bar and radar. And just labels (on hover) for charts: polarArea, pie and doughnut
  • chartType (?string) - indicates the type of charts, it can be: line, bar, radar, pie, polarArea, doughnut
  • options (?any) - chart options (as from Chart.js documentation)
  • colors (?Array<any>) - data colors, will use default and|or random colors if not specified (see below)
  • legend: (?boolean=false) - if true show legend below the chart, otherwise not be shown

Events

  • chartClick: fires when click on a chart has occurred, returns information regarding active points and labels
  • chartHover: fires when mousemove (hover) on a chart has occurred, returns information regarding active points and labels

Colors

There are a set several default colors. Colors can be replaced using the colors attribute. If there is more data than colors, colors are generated randomly.

Troubleshooting

Please follow this guidelines when reporting bugs and feature requests:

  1. Use GitHub Issues board to report bugs and feature requests (not our email address)
  2. Please always write steps to reproduce the error. That way we can focus on fixing the bug, not scratching our heads trying to reproduce it.

Thanks for understanding!

License

The MIT License (see the LICENSE file for the full text)