{
//create our hashmap first
mVisualPanels = new HashMap();
//instantiate these for use later on
SingleFeaturePanel waveformPanel = new SingleFeatureWaveformPanel();
waveformPanel.setMinimumSize(new Dimension(400, 45));
waveformPanel.setPreferredSize(new Dimension(400,45));
waveformPanel.setSegTickType(SingleFeaturePanel.SHORT_SEG_TICKS);
SingleFeatureSpectrumPanel spectrumPanel = new SingleFeatureSpectrumPanel();
spectrumPanel.setMinimumSize(new Dimension(400, 45));
spectrumPanel.setPreferredSize(new Dimension(400,45));
spectrumPanel.setSegTickType(SingleFeaturePanel.SHORT_SEG_TICKS);