chartConstraints.gridx = 0;
chartConstraints.gridy = 0;
chartConstraints.weightx = 1;
chartConstraints.weighty = 1;
chartConstraints.gridwidth = GridBagConstraints.REMAINDER;
roiSpectrumViewers[i] = new ChartViewer();
roiSpectrumViewers[i].setCometeBackground(CometeColor.WHITE);
roiPanels[i].add(roiSpectrumViewers[i], chartConstraints);
GridBagConstraints titleConstraints = new GridBagConstraints();
titleConstraints.fill = GridBagConstraints.NONE;