anchor.diff:    y[d[0]] = x
   
     return y
  -}
  +}*/
   
   function makeWheel(params) {
     return d3.svg.arc()
  
positive.code:         hideAfterPaletteSelect:true,
          preferredFormat: 'rgb',
          containerClassName: 'wen-picker ' + id + '-picker',
          clickoutFiresChange: true
        })
      })
    })
  
negative.code: render(data)
  
  $('.picker').on('move.spectrum', function (ev, tc) {
    d = ev.target.id.split('-')
    x = {}
    x[d[1]] = [tc['_r'], tc['_g'], tc['_b']]
    y = {}
    y[d[0]] = x
  
    $.ajax({
      url: '/colours/',
      data: JSON.stringify(y),
      type: 'POST',
      contentType: 'application/json'
    })
  })
  
  $('.picker').on('change.spectrum', function (ev, tc) {
    d = ev.target.id.split('-')
    x = {}
    x[d[1]] = [tc['_r'], tc['_g'], tc['_b']]
    y = {}
    y[d[0]] = x
  
    $.ajax({
      url: '/colours/',
      data: JSON.stringify(y),
      type: 'POST',
      contentType: 'application/json',
      complete: refresh
    })
  })
  
  /*function prepareColourData(id, tc) {
    d = id.split('-')
    x = {}
    x[d[1]] = [tc['_r'], tc['_g'], tc['_b']]
  