When comparing Metrics Graphics vs n3-charts, the Slant community recommends Metrics Graphics for most people. In the question“What are the best open source JavaScript charting libraries?” Metrics Graphics is ranked 9th while n3-charts is ranked 12th. The most important reason people chose Metrics Graphics is:
All the power and flexibility of D3.js.
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Pros
Pro Built on D3
All the power and flexibility of D3.js.
Pro Declarative interface
Declare the type of chart, the x and y variables, and other chart properties. No unnecessary manipulation of data objects into separate arrays for each axis.
Pro Beautiful
n3-charts is SVG powered and crafted with a great attention to detail.
Pro Well tested
95% test coverage, plus end-to-end tests.
Pro Easy to use
If you're using AngularJS, then you're two steps away from having beautiful charts.
n3-charts is simple to set up and use, with plenty of examples to help get you started.
Cons
Con Only for use with Angular.js
n3-charts is built on top of Angular, making it only suitable for those who want to add charts to their Angular application.