2018년 3월 23일 금요일

[JavaFX] ScatterChart Image File Generation


1. ScatterChart Image File Generation


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package javafximage;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.scene.Scene;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.ScatterChart;
import javafx.scene.chart.XYChart;
import javafx.scene.image.WritableImage;
import javafx.stage.Stage;
import javax.imageio.ImageIO;

public class JavaFxScatterChart extends Application {

    WritableImage getScatterChart(String title, int width, int height, List<XYChart.Series> data) {
        final CategoryAxis xAxis = new CategoryAxis();
        final NumberAxis yAxis = new NumberAxis();
        final ScatterChart<String,Number> chart = new ScatterChart<>(xAxis,yAxis);
        xAxis.setLabel("Number of Month");
        xAxis.setAnimated(false);
        xAxis.setTickLabelsVisible(true); 
        yAxis.setLabel("Values");
        yAxis.setAnimated(false);
        yAxis.setTickLabelsVisible(true); 
        chart.setTitle(title);
        chart.getData().addAll(data.toArray(new XYChart.Series[data.size()]));
        Scene scene = new Scene(chart, width, height);
        return scene.snapshot(null);
    }
    
    @Override
    public void start(Stage stage) throws Exception {
                
        List<XYChart.Series> data = new ArrayList<>();

        XYChart.Series series1 = new XYChart.Series();
        series1.setName("Data 1");
        series1.getData().add(new XYChart.Data("Jan", 23));
        series1.getData().add(new XYChart.Data("Feb", 14));
        series1.getData().add(new XYChart.Data("Mar", 15));
        series1.getData().add(new XYChart.Data("Apr", 24));
        series1.getData().add(new XYChart.Data("May", 34));
        series1.getData().add(new XYChart.Data("Jun", 36));
        series1.getData().add(new XYChart.Data("Jul", 22));
        series1.getData().add(new XYChart.Data("Aug", 45));
        series1.getData().add(new XYChart.Data("Sep", 43));
        series1.getData().add(new XYChart.Data("Oct", 17));
        series1.getData().add(new XYChart.Data("Nov", 29));
        series1.getData().add(new XYChart.Data("Dec", 25));
        data.add(series1);

        XYChart.Series series2 = new XYChart.Series();
        series2.setName("Data 2");
        series2.getData().add(new XYChart.Data("Jan", 33));
        series2.getData().add(new XYChart.Data("Feb", 34));
        series2.getData().add(new XYChart.Data("Mar", 25));
        series2.getData().add(new XYChart.Data("Apr", 44));
        series2.getData().add(new XYChart.Data("May", 39));
        series2.getData().add(new XYChart.Data("Jun", 16));
        series2.getData().add(new XYChart.Data("Jul", 55));
        series2.getData().add(new XYChart.Data("Aug", 54));
        series2.getData().add(new XYChart.Data("Sep", 48));
        series2.getData().add(new XYChart.Data("Oct", 27));
        series2.getData().add(new XYChart.Data("Nov", 37));
        series2.getData().add(new XYChart.Data("Dec", 29));
        data.add(series2);

        try {
            WritableImage image = getScatterChart("Annunal Trend",640,480,data);
            ImageIO.write( SwingFXUtils.fromFXImage(image, null)
                    , "png"
                    , new File("D:/scatter.png"));
        } catch (IOException e) {
            e.printStackTrace();
        }  
        System.exit(0);
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}


Retult: (D:/scatter.png)



2. ScatterChart Example 2


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package javafximage;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.scene.Scene;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.ScatterChart;
import javafx.scene.chart.XYChart;
import javafx.scene.image.WritableImage;
import javafx.stage.Stage;
import javax.imageio.ImageIO;

public class JavaFxScatterChart2 extends Application {

    WritableImage getScatterChart2(String title, int width, int height, List<XYChart.Series> data) {
        final NumberAxis xAxis = new NumberAxis();
        final NumberAxis yAxis = new NumberAxis();
        final ScatterChart<Number,Number> chart = new ScatterChart<>(xAxis,yAxis);
        xAxis.setLabel("Number of Month");
        xAxis.setAnimated(false);
        xAxis.setTickLabelsVisible(true); 
        yAxis.setLabel("Values");
        yAxis.setAnimated(false);
        yAxis.setTickLabelsVisible(true); 
        chart.setTitle(title);
        chart.getData().addAll(data.toArray(new XYChart.Series[data.size()]));
        Scene scene = new Scene(chart, width, height);
        return scene.snapshot(null);
    }
    
    @Override
    public void start(Stage stage) throws Exception {
                
        List<XYChart.Series> data = new ArrayList<>();

        XYChart.Series series1 = new XYChart.Series();
        series1.setName("Data 1");
        series1.getData().add(new XYChart.Data(4.2, 193.2));
        series1.getData().add(new XYChart.Data(2.8, 33.6));
        series1.getData().add(new XYChart.Data(6.2, 24.8));
        series1.getData().add(new XYChart.Data(1, 14));
        series1.getData().add(new XYChart.Data(1.2, 26.4));
        series1.getData().add(new XYChart.Data(4.4, 114.4));
        series1.getData().add(new XYChart.Data(8.5, 323));
        series1.getData().add(new XYChart.Data(6.9, 289.8));
        series1.getData().add(new XYChart.Data(9.9, 287.1));
        series1.getData().add(new XYChart.Data(0.9, -9));
        series1.getData().add(new XYChart.Data(3.2, 150.8));
        series1.getData().add(new XYChart.Data(4.8, 20.8));
        series1.getData().add(new XYChart.Data(7.3, -42.3));
        series1.getData().add(new XYChart.Data(1.8, 81.4));
        series1.getData().add(new XYChart.Data(7.3, 110.3));
        series1.getData().add(new XYChart.Data(2.7, 41.2));
        data.add(series1);

        XYChart.Series series2 = new XYChart.Series();
        series2.setName("Data 2");
        series2.getData().add(new XYChart.Data(5.2, 229.2));
        series2.getData().add(new XYChart.Data(2.4, 37.6));
        series2.getData().add(new XYChart.Data(3.2, 49.8));
        series2.getData().add(new XYChart.Data(1.8, 134));
        series2.getData().add(new XYChart.Data(3.2, 236.2));
        series2.getData().add(new XYChart.Data(7.4, 114.1));
        series2.getData().add(new XYChart.Data(3.5, 323));
        series2.getData().add(new XYChart.Data(9.3, 29.9));
        series2.getData().add(new XYChart.Data(8.1, 287.4));
        data.add(series2);

        try {
            WritableImage image = getScatterChart2("Annunal Trend",640,480,data);
            ImageIO.write( SwingFXUtils.fromFXImage(image, null)
                    , "png"
                    , new File("D:/scatter2.png"));
        } catch (IOException e) {
            e.printStackTrace();
        }  
        System.exit(0);
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}


Result: (D:/scatter2.png)







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