text: var getscale = require('./gradientscale')
  
  module.exports = function () {
    var ticks = [1, 2, 4, 8, 12, 16, 32, 0].reverse()
    var domain = d => {
      return (d === 0) ? 0 : (1 / d)
    }
  
    var scale = getscale({
      ticks,
      domain
    })
  
    return scale
  }