public ObjectProperty<TextOrientation> textOrientationProperty() {
        if (null == textOrientation) {
            textOrientation = new ObjectPropertyBase<TextOrientation>(_textOrientation) {
                @Override protected void invalidated() { redraw(); }
                @Override public Object getBean() { return SunburstChart.this; }
                @Override public String getName() { return "textOrientation"; }
            };
            _textOrientation = null;
        }
        return textOrientation;
    }
Defines the orientation the text will be drawn in the segments
@param ORIENTATION
src/main/java/eu/hansolo/tilesfx/chart/SunburstChart.java