graphic VS amcharts4

The widely used widget that handles gestures in Flutter is the GestureDetector. It defines all the gesture types in its callback properties (like onTap), and developers are familiar with them. So Graphic inherits this taxonomy. The GestureTypes of Graphic have same names (without the on prefix) and meanings to their corresponding callback properties in GestureDetector, such as GestureType.tap to GestureDetector.onTap. This keeps Graphic consistent with the Flutter gesture system and friendly to developers.

Interactions are always important in data visualization. The Flutter charting library Graphic has a well-designed interaction system for various interactive charts:

Graphic is a flutter package that implements Leland Wilkinson's book The Grammar of Graphics, which defines data visualization in terms of scales and layers. In this tutorial, LIN Chen shows us how to use it.

We need to assign category and transformed percent to the domain dimension and the measure dimension respectively. Benefited form the operator overriding of Dart, Graphic implements all graphics algebra by the Varset class. So we define position as:

Of course, my bad for not mentioning this. I used JavaScript’s AmChart library to make the visualization. Highly recommend!

Am charts https://www.amcharts.com/

AmCharts (Premium)

In terms of beauty/features, I also use https://www.amcharts.com

SVG map from www.amcharts.com

It's a cool data-visualization library like Highcharts, Chart.js, amCharts, Vega-Lite, and numerous others. A lot of companies/products including AWS are using it in production.

For charting we will be suing AMcharts v4