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https://github.com/entronad/graphic

A grammar of data visualization and Flutter charting library.
https://github.com/entronad/graphic

chart charting-library charts dart dartlang data-visualization flutter flutter-package flutter-widget graph graphic visualization

Last synced: about 2 months ago
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A grammar of data visualization and Flutter charting library.

Host: GitHub
URL: https://github.com/entronad/graphic
Owner: entronad
License: other
Created: 2020-02-22T08:36:12.000Z (over 4 years ago)
Default Branch: main
Last Pushed: 2023-10-11T00:55:23.000Z (8 months ago)
Last Synced: 2024-01-28T10:32:24.748Z (5 months ago)
Topics: chart, charting-library, charts, dart, dartlang, data-visualization, flutter, flutter-package, flutter-widget, graph, graphic, visualization
Language: Dart
Homepage:
Size: 6.74 MB
Stars: 1,437
Watchers: 17
Forks: 150
Open Issues: 66
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE

Lists

awesome-flutter-cn - Graphic - 基于图形语法的数据可视化库，由 [LIN Chen](https://github.com/entronad) 制作。 (组件 / 图表)
awesome-stars - entronad/graphic
awesome-flutter - Graphic - Data visualization library based on the Grammar of Graphics by [LIN Chen](https://github.com/entronad). (Components / Charts)
awesome-flutter - Graphic - Data visualization library based on the Grammar of Graphics by [LIN Chen](https://github.com/entronad). (Components / Charts)
awesome-stars - entronad/graphic - A grammar of data visualization and Flutter charting library. (Dart)
awesome-stars - graphic
awesome-flutter - Graphic - Data visualization library based on the Grammar of Graphics by [LIN Chen](https://github.com/entronad). (Components / Charts)
awesome-flutter - Graphic - Data visualization library based on the Grammar of Graphics by [LIN Chen](https://github.com/entronad). (Components / Charts)
awesome-flutter - Graphic - Data visualization library based on the Grammar of Graphics by [LIN Chen](https://github.com/entronad) (Components / Charts)
awesome-flutter - Graphic - A Flutter data visualization library based on Grammar of Graphics. ` 📝 7 days ago ` (Charts [🔝](#readme))
awesome-flutter-cn - Graphic - 基于图形语法的数据可视化库，[LIN Chen](https://github.com/entronad). (组件 / 图表)

README

        # Graphic











Graphic is a grammar of data visualization and Flutter charting library.

- **Flexible declarative grammar**: This visualization grammar derives from Leland Wilkinson's *The Grammar of Graphics*, and tries to balance between theoretical beauty and practicability. Data processing steps and mark shapes can be composed freely in a declarative specification, not limited to certain chart types. And shape draw methods are customizable.

- **Interaction**: With the *event* and *selection* definition, the chart is highly interactive, such as highlighting selected items, popping a tooltip, or scaling the coordinate.

- **Animation**: Mark transition animation can be set when a chart is built or changed. The entrance animation has various forms.

## What's new in v2.0

- Add feature of transition animation, see details in `Mark.transition`. And thus the rendering engine is rewrited. The imperative `Figure` classes are changed to declarative `MarkElement` classes. See details in this folder: https://github.com/entronad/graphic/tree/main/lib/src/graffiti/element

- Update terminology to keep same with modern mainstream data visualization libraries. Some class names have changed:

  `GeomElement -> Mark`

  `Attr -> Encode`

  `Signal -> Event`

  `Channel -> Stream`

  `Figure -> MarkElement`

  And thus some properties related are also changed, like `elements -> marks`.

## Documentation

See in the [documentation](https://pub.dev/documentation/graphic/latest/graphic/graphic-library.html).

## Migration Guide to 2.0

Some of the terminalogy has been changed in v2.0. Please follow the below guide to migrate your code.

| old code      | new code |

| ----------- | ----------- |

| GeomElement      | Mark       |

| Attr   | Encode        |

| Signal   | Event        |

| Channel   | Stream        |

| Figure   | MarkElement        |

| element:   | marks:        |

| ColorAttr   | ColorEncode        |

| ShapeAttr   | ShapeEncode        |

| element:   | marks:        |

| IntervalElement | IntervalMark |

| PointElement | PointMark |

| LabelAttr | LabelEncode |

| color | fillColor |

| strokeStyle | PaintStyle |

## Examples

Example of charts can be seen in the [Example App](https://github.com/entronad/graphic/tree/main/example). Please clone this repository and run the example project in example directory.

















![examples](https://github.com/entronad/graphic/raw/main/devdoc/examples.jpg)

## Tutorials

[The Versatility of the Grammar of Graphics](https://medium.com/@entronad/the-versatility-of-the-grammar-of-graphics-d1366760424d)

[How to Build Interactive Charts in Flutter](https://medium.com/@entronad/how-to-build-interactive-charts-in-flutter-e317492d5ba1)

## Share this Lib

[![Twitter](https://img.shields.io/badge/share%20on-twitter-03A9F4?style=flat-square&logo=twitter)](https://twitter.com/share?url=https://github.com/entronad/graphic&text=Graphic:%20A%20grammar%20of%20data%20visualization%20and%20Flutter%20charting%20library.)

[![HackerNews](https://img.shields.io/badge/share%20on-hacker%20news-orange?style=flat-square&logo=ycombinator)](https://news.ycombinator.com/submitlink?u=https://github.com/entronad/graphic)

[![Reddit](https://img.shields.io/badge/share%20on-reddit-red?style=flat-square&logo=reddit)](https://reddit.com/submit?url=https://github.com/Kanaries/pygwalker&title=Graphic:%20A%20grammar%20of%20data%20visualization%20and%20Flutter%20charting%20library.)

## License

Graphic is [MIT License](https://github.com/entronad/graphic/blob/main/LICENSE).

## Keep Informed

[Twitter](https://twitter.com/entronad_viz)

[Medium](https://medium.com/@entronad)

[Zhihu](https://www.zhihu.com/people/entronad)

Thanks for reading.