tapspace/lib/geometry/Distance/changeBasis.js

A zoomable user interface lib for web apps

const dist3 = require('affineplane').dist3

module.exports = function (newBasis) {
  // @Distance:changeBasis(newBasis)
  //
  // Parameters:
  //   newBasis
  //     a Component
  //
  // Return
  //   a Distance
  //
  const tr = this.basis.getTransitionTo(newBasis)
  const td = dist3.transitFrom(this.dist, tr)
  const Distance = this.constructor
  return new Distance(newBasis, td)
}