I\'m trying to create a fill in between two of these triangles, for example a red fill in between the red and green triangles. Does anybody know how to accomplish this? I have s
You don’t need to implement a custom path for this; you can use a d3.svg.area.radial path generator. Here’s an example of a stacked radial area chart which you might use to plot cyclical data:
The implementation is fairly similar to a radar chart, except with a radar chart the scales will be different for each angular point.