d3 is probably your best bet. It can generate nearly any type of chart imaginable.
You can generate the charts directly in the browser, or if you really need an image file, you can use the module in node and convert the output to an image.
d3 is probably your best bet. It can generate nearly any type of chart imaginable.
You can generate the charts directly in the browser, or if you really need an image file, you can use the module in node and convert the output to an image.