javafx.scene.chart.Chart Java Examples

The following examples show how to use javafx.scene.chart.Chart. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Main.java    From quantumjava with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
public static Chart plotFunction(List<Function<Double, Double>> functions, Number xStart, Number xEnd) {
    int div = 500;
    double x0 = xStart.doubleValue();
    double x1 = xEnd.doubleValue();
    double step = 1./div* (x1-x0);
    Axis<Number> xAxis = new NumberAxis(x0, x1, .1* (x1-x0));
    Axis<Number> yAxis = new NumberAxis();
    ObservableList<XYChart.Series<Number, Number>> series = FXCollections.observableArrayList();
    LineChart<Number,Number> chart = new LineChart(xAxis, yAxis, series);
    chart.setCreateSymbols(false);
    for (Function<Double, Double> f: functions) {
        XYChart.Series<Number, Number> mainSeries = new XYChart.Series();
        series.add(mainSeries);
        ObservableList<XYChart.Data<Number, Number>> data = FXCollections.observableArrayList();
        mainSeries.setData(data);
        for (double x = x0; x < x1; x= x +step) {
            final Number y = f.apply(x);
            data.add(new XYChart.Data<>(x,y));
        }
    }
    return chart;

}
Example #2
Source File: TrainingView.java    From gluon-samples with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
public TrainingView() {

        label = new Label();

        Button button = new Button("train network model");
        button.setOnAction(e -> {
            Task task = train();
            button.disableProperty().bind(task.runningProperty());
        });
        series = new Series();
        series.setName("#iterations");
        Chart chart = createChart(series);

        VBox controls = new VBox(15.0, label, button, chart);
        controls.setAlignment(Pos.CENTER);

        setCenter(controls);
    }
Example #3
Source File: Main.java    From quantumjava with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Override
public void start(Stage stage) throws Exception {
    Function<Double, Double> classic = b -> Math.exp(Math.pow(64./9.*b* Math.log(b)*Math.log(b), 1./3));
    Function<Double, Double> shor = b-> Math.pow(b,3.);
    List<Function<Double,Double>> functions = Arrays.asList(classic, shor);
    Chart chart = plotFunction(functions, 0.000001, 20);
      Scene scene = new Scene(chart, 640, 480);
        stage.setScene(scene);
        stage.show();

}
Example #4
Source File: ChartGenerator.java    From testgrid with Apache License 2.0 5 votes vote down vote up 
/**
 * Generates the chart and writes to an image.
 *
 * @param chart to be rendered
 * @param width with of the chart in pixels
 * @param height height of the  chart in pixels
 * @param fileName of the written image
 * @param styleSheet A custom stylesheet to be applied to the charts
 */
private void genChart(Chart chart, int width, int height, String fileName, String styleSheet) {
    Platform.runLater(() -> {
        Scene scene = new Scene(chart, width, height);
        if (styleSheet != null && !styleSheet.isEmpty()) {
            scene.getStylesheets().add(styleSheet);
        }
        WritableImage img = new WritableImage(width, height);
        scene.snapshot(img);
        writeImage(img, fileName);
    });
}
Example #5
Source File: TrainingView.java    From gluon-samples with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
private Chart createChart(Series<Integer, Double> series) {
    NumberAxis xAxis = new NumberAxis();
    xAxis.setUpperBound(620d);
    xAxis.setMinorTickCount(25);
    xAxis.setTickUnit(100);
    xAxis.setAutoRanging(false);
    NumberAxis yAxis = new NumberAxis();
    LineChart answer = new LineChart(xAxis, yAxis);
    answer.setTitle("score evolution");
    answer.setCreateSymbols(false);
    ObservableList<XYChart.Series<Integer, Double>> data = FXCollections.observableArrayList();
    data.add(series);
    answer.setData(data);
    return answer;
}