private void drawFrequencyLineAndLabel(Graphics2D graphics,long frequency){
  double xAxis=getAxisFromFrequency(frequency);
  drawFrequencyLine(graphics,xAxis,mColorSpectrumLine);
  drawTickLine(graphics,frequency,false);
  graphics.setColor(mColorSpectrumLine);
  drawFrequencyLabel(graphics,xAxis,frequency);
}

private void drawFrequencyLineAndLabel ( Graphics2D graphics , long frequency ) { double xAxis = getAxisFromFrequency ( frequency ) ; drawFrequencyLine ( graphics , xAxis , mColorSpectrumLine ) ; drawTickLine ( graphics , frequency , false ) ; graphics . setColor ( mColorSpectrumLine ) ; drawFrequencyLabel ( graphics , xAxis , frequency ) ; }
draws a vertical line and a corresponding frequency label at the bottom
