yes d3.js is kind of an assembly for visualization and it's fine like that. But honestly, I don't see how those 2 lines .on('mouseover', this.rolloverOn(ar

yes d3.js is kind of an assembly for visualization and it's fine like that. But honestly, I don't see how those 2 lines .on('mouseover', this.rolloverOn(args)) .on('mouseout', this.rolloverOff(args)); could be made easier. What is above is "simply" the construction of the underlying voronoi diagram