See https://forum.zoomcharts.com/t/zoomcharts-with-angularjs/111
We do not have a directive for netchart, but there is an example for the api using piechart. The main reason we chose not to create more directives is that to make the directive as reusable as possible, it has to use things that reduce performance. In most scenarios a much simpler directive can achieve the result with better performance.