function calculationGauge(value)
  if value < 0.0 then
        value = 0.0
    elseif value > 100.0 then
        value = 100.0
    end
  local barSize = { x= value * 2.0, y=0.0, z=63.0 }
  local glowSize = { x= math.max(8.0, value * 2.0), y=0.0, z=35.0 }
  return barSize, glowSize
end