phylotree/src/render/coordinates.js

A JavaScript library for developing applications and interactive visualizations involving [phylogenetic trees](https://en.wikipedia.org/wiki/Phylogenetic_tree), written as an extension of the [D3](http://d3js.org) [hierarchy layout](https://github.com/d3/

export function xCoord(d) {
  return d.y;
}

export function yCoord(d) {
  return d.x;
}