Line lineInput = new Line();
lineInput.getStrokeDashArray().addAll(5d);
lineInput.setCache(true);
lineInput.startXProperty().set(getAnimationPaneWidth()/2- getAnimationPaneWidth()/8);
lineInput.endXProperty().set(lineInput.startXProperty().get());
lineInput.startYProperty().set(0);
lineInput.endYProperty().bind(animationPane.heightProperty());
animationPane.getChildren().add(lineInput);
Line lineOutput = new Line();