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我想繪製javafx中的峯值圖,但沒有一個類能完成我的目標。所以我修改了「LineChart」作爲我的「峯值地圖」,它看起來像that。但是我想將X軸移動到0的比例(Y軸),我能做些什麼來實現它。順便說一下,如果你有更好的方法來實現「峯值地圖」,請給我一些建議。如何繪製javafx中的峯值圖
謝謝!
public void start(Stage stage) {
stage.setTitle("Line Chart Sample");
final NumberAxis xAxis = new NumberAxis();
final NumberAxis yAxis = new NumberAxis();
xAxis.setLabel("X");
yAxis.setLabel("Y");
final LineChart<Number, Number> lineChart = new LineChart<>(xAxis, yAxis);
lineChart.setTitle("Peak Map");
XYChart.Series<Number, Number> series1 = new XYChart.Series<>();
series1.setName("Portfolio 1");
series1.getData().add(new XYChart.Data<Number, Number>(1, 0));
series1.getData().add(new XYChart.Data<Number, Number>(1, 14));
XYChart.Series<Number, Number> series2 = new XYChart.Series<>();
series2.setName("Portfolio 2");
series2.getData().add(new XYChart.Data<Number, Number>(2, 0));
series2.getData().add(new XYChart.Data<Number, Number>(2, 34));
XYChart.Series<Number, Number> series3 = new XYChart.Series<>();
series3.setName("Portfolio 3");
series3.getData().add(new XYChart.Data<Number, Number>(3, 0));
series3.getData().add(new XYChart.Data<Number, Number>(3, 35));
XYChart.Series<Number, Number> series4 = new XYChart.Series<>();
series4.setName("Protfolio 4");
series4.getData().add(new XYChart.Data<>(2, 0));
series4.getData().add(new XYChart.Data<>(2, -8));
Scene scene = new Scene(lineChart, 800, 600);
lineChart.getData().addAll(series1, series2, series3, series4);
lineChart.setCreateSymbols(false);
lineChart.setLegendVisible(false);
stage.setScene(scene);
stage.show();
}
什麼是峯值圖?你有鏈接到解釋它的東西嗎? – jewelsea
我很抱歉,我無法給你一個確切的定義,因爲它更像是一個自定義圖形。但它看起來像[https://i.stack.imgur.com/cmvys.png](https://i.stack.imgur.com/cmvys.png)。在圖中,像(x1,y1)這樣的每個點確定從(x1,0)到(x1,y1)的直線, – huangjs