My First JavaFX Radial Gauge

public class MyFirstRadialGauge extends Application {

    @Override
    public void start(Stage primaryStage) {
//primaryStage.initStyle(StageStyle.TRANSPARENT);
Marker temperature = new Marker(50, Color.MAGENTA);
Marker[] markerList = new Marker[]{temperature};

Gauge radial = GaugeBuilder.create()
                           .prefWidth(500)
                           .prefHeight(500)
                           .gaugeType(GaugeBuilder.GaugeType.RADIAL)
                           .frameDesign(Gauge.FrameDesign.STEEL)
                             
...
                           .title("Temperature")
                           .unit("°C")
                           .build();
       
        StackPane root = new StackPane();
        root.getChildren().add(radial);
        radial.setLcdValue(10.00);
        radial.setLcdDecimals(2);
        radial.setLcdUnitVisible(false);    
       
        temperature.setValue(30);
       
        Scene scene = new Scene(root, 500, 500);
       
        primaryStage.setTitle("My First Radial Gauge");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

References

http://harmoniccode.blogspot.ro/2012/06/jfxtras-series-radial-gauge.html 

http://grepcode.com/snapshot/repo1.maven.org/maven2/org.jfxtras/jfxtras-labs/2.2-r5/