colorModelButton.setToolTipText(getColorModelDescription( model.getColorModel()));
    void resetDefaults()    {        boolean gs = (model.getColorModel().equals(ImViewer.GREY_SCALE_MODEL));        Iterator i = channelButtons.iterator();        ChannelButton button;        int index;        while (i.hasNext()) {            button = (ChannelButton) i.next();            index = button.getChannelIndex();            button.setSelected(model.isChannelActive(index));            button.setColor(model.getChannelColor(index));             button.setGrayedOut(gs);        }        colorModelButton.setIcon(getColorModelIcon(model.getColorModel()));        setZSection(model.getDefaultZ());        setTimepoint(model.getDefaultT());    }