/** Match the Y AstAxisLabels text to that displayed. */
protected void matchYText() {
inhibitYDocumentListener = true;
astAxisLabels.setYLabel(yTextField.getText());
inhibitYDocumentListener = false;
}
/** Match the X AstAxisLabels text to that displayed. */
protected void matchXText() {
inhibitXDocumentListener = true;
astAxisLabels.setXLabel(xTextField.getText());
inhibitXDocumentListener = false;
}