public BooleanProperty returnToZeroProperty() {
        if (null == returnToZero) {
            returnToZero = new BooleanPropertyBase(_returnToZero) {
                @Override protected void invalidated() {
                    if (Helper.biggerThan(getMaxValue(), 0.0)) set(false);
                    fireTileEvent(REDRAW_EVENT);
                }
                @Override public Object getBean() { return Tile.this; }
                @Override public String getName() { return "returnToZero"; }
            };
        }
        return returnToZero;
    }
Defines the behavior of the visualization where the needle/bar should
always return to 0 after it reached the final value. This setting only makes
sense if animated == true and the data rate is not too high.
Set to false when using real measured live data.

@param IS_TRUE
src/main/java/eu/hansolo/tilesfx/Tile.java