Flutter data visualization library based on Grammar of Graphics

A Flutter data visualization library based on Grammar of Graphics.

example

Add this to your package’s pubspec.yaml file:

dependencies:
  graphic: ^0.3.0

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:graphic/graphic.dart';

Basic example

graphic.Chart(
  data: [
    { 'genre': 'Sports', 'sold': 275 },
    { 'genre': 'Strategy', 'sold': 115 },
    { 'genre': 'Action', 'sold': 120 },
    { 'genre': 'Shooter', 'sold': 350 },
    { 'genre': 'Other', 'sold': 150 },
  ],
  scales: {
    'genre': graphic.CatScale(
      accessor: (map) => map['genre'] as String,
    ),
    'sold': graphic.LinearScale(
      accessor: (map) => map['sold'] as num,
      nice: true,
    )
  },
  geoms: [graphic.IntervalGeom(
    position: graphic.PositionAttr(field: 'genre*sold'),
  )],
  axes: {
    'genre': graphic.Defaults.horizontalAxis,
    'sold': graphic.Defaults.verticalAxis,
  },
)

Demo