ensemble.samples.charts.scatter.animated.LiveScatterChartApp Maven / Gradle / Ivy
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package ensemble.samples.charts.scatter.animated;
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.SequentialTransition;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.ScatterChart;
import javafx.scene.chart.XYChart;
import javafx.stage.Stage;
import javafx.util.Duration;
/**
* A live scatter chart.
*
* @sampleName Live Scatter Chart
* @preview preview.png
* @see javafx.scene.chart.ScatterChart
* @see javafx.scene.chart.NumberAxis
* @see javafx.animation.Timeline
* @see javafx.animation.SequentialTransition
*/
public class LiveScatterChartApp extends Application {
private ScatterChart.Series series;
private double nextX = 0;
private SequentialTransition animation;
public LiveScatterChartApp() {
// create animation
Timeline timeline1 = new Timeline();
timeline1.getKeyFrames().add(
new KeyFrame(Duration.millis(20), (ActionEvent actionEvent) -> {
series.getData().add(new XYChart.Data(
nextX,
Math.sin(Math.toRadians(nextX)) * 100
));
nextX += 10;
})
);
timeline1.setCycleCount(200);
Timeline timeline2 = new Timeline();
timeline2.getKeyFrames().add(
new KeyFrame(Duration.millis(50), (ActionEvent actionEvent) -> {
series.getData().add(new XYChart.Data(
nextX,
Math.sin(Math.toRadians(nextX)) * 100
));
if (series.getData().size() > 54) {
series.getData().remove(0);
}
nextX += 10;
})
);
timeline2.setCycleCount(Animation.INDEFINITE);
animation = new SequentialTransition();
animation.getChildren().addAll(timeline1,timeline2);
}
public Parent createContent() {
final NumberAxis xAxis = new NumberAxis();
xAxis.setForceZeroInRange(false);
final NumberAxis yAxis = new NumberAxis(-100, 100, 10);
final ScatterChart sc = new ScatterChart<>(xAxis, yAxis);
// setup chart
sc.getStylesheets().add(LiveScatterChartApp.class.getResource("LiveScatterChart.css").toExternalForm());
sc.setTitle("Animated Sine Wave ScatterChart");
xAxis.setLabel("X Axis");
xAxis.setAnimated(false);
yAxis.setLabel("Y Axis");
yAxis.setAutoRanging(false);
// add starting data
series = new ScatterChart.Series<>();
series.setName("Sine Wave");
series.getData().add(new ScatterChart.Data(5d, 5d));
sc.getData().add(series);
return sc;
}
public void play() {
animation.play();
}
@Override public void stop() {
animation.pause();
}
@Override public void start(Stage primaryStage) throws Exception {
primaryStage.setScene(new Scene(createContent()));
primaryStage.show();
play();
}
/**
* Java main for when running without JavaFX launcher
* @param args command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}