In this blog, I’ll show you how to add a color gradient to the chords of a d3.js Chord Diagram. This comes in handy when there is no net difference in the chords. But you can apply the technique to any gradient that you want to orient based on data. We’re going to look at the collaborations between Avengers. With all those cameo’s happening in the MCU, I wanted to know how often two Avengers had appeared in a movie together. This results in a symmetrical dataset since, if Thor appeared ...