private void initComponents() { centerLabel = new JLabel(CENTER_LABEL); alphaLabel = new JLabel(ALPHA_LABEL); centerSpinner = new NumberSpinner(model.getRangeStart(), model.getRangeStart(), model.getRangeEnd(), 1); centerSpinner.setVisualValueOffset(1 - model.rangeOrigin()); alphaSpinner = new NumberSpinner(0.1, 0.1, 0.9, 0.1); }