类javafx.scene.chart.Chart源码实例Demo

下面列出了怎么用javafx.scene.chart.Chart的API类实例代码及写法,或者点击链接到github查看源代码。

源代码1 项目: quantumjava   文件: Main.java
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;

}
 
源代码2 项目: gluon-samples   文件: TrainingView.java
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);
    }
 
源代码3 项目: quantumjava   文件: Main.java
@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();

}
 
源代码4 项目: testgrid   文件: ChartGenerator.java
/**
 * 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);
    });
}
 
源代码5 项目: gluon-samples   文件: TrainingView.java
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;
}
 
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