Java SVGUtils.writeToSVG方法代码示例

import org.jfree.graphics2d.svg.SVGUtils; //导入方法依赖的package包/类
private void renderToSvg(JFreeChart chart) {
//        int width = 1200, height = 1800; // høy
//        int width = 2400, height = 1800; // lang
//        int width = 1200, height = 800; // brukt før

        // 535 small, 630 legend
//        int width = 1200, height = 535;
//        int width = 1200, height = 630;

//        int width = 400, height = 535; // box


        int width = 600, height = 540; // objectives


        SVGGraphics2D svgGraphics2D = new SVGGraphics2D(width, height);
        chart.draw(svgGraphics2D, new Rectangle(width, height));

        String svgElement = svgGraphics2D.getSVGElement();
        try {
            SVGUtils.writeToSVG(new File("latestChart.svg"), svgElement);
            System.out.println("made chart");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 

import org.jfree.graphics2d.svg.SVGUtils; //导入方法依赖的package包/类
public static void save(JFreeChart plot, String path, int width, int height) throws IOException {		
	SVGGraphics2D svg = new SVGGraphics2D(width, height);
	Rectangle area = new Rectangle(0, 0, width, height);
	File file = new File(path);
	
	plot.draw(svg, area);			
	SVGUtils.writeToSVG(file,  svg.getSVGElement());		
}
 

import org.jfree.graphics2d.svg.SVGUtils; //导入方法依赖的package包/类
public void writeToFile(String outName) throws FileNotFoundException, UnsupportedEncodingException, IOException
{
    calcMeans();
    calcAvgRulesBySeed();
    
    // Create JFreeChart Dataset
    DefaultCategoryDataset dataset = new DefaultCategoryDataset( );
    
    
    HashMap<String, Double> measuresFirst = algorithmMeasures.entrySet().iterator().next().getValue();
    for (Map.Entry<String, Double> measure : measuresFirst.entrySet())
    {
        String measureName = measure.getKey();
        //Double measureValue = measure.getValue();
        dataset.clear();
        
        for (Map.Entry<String, HashMap<String, Double>> entry : algorithmMeasures.entrySet())
        {
            String alg = entry.getKey();
            Double measureValue = entry.getValue().get(measureName);
            
            // Parse algorithm name to show it correctly
            String aName = alg.substring(0, alg.length()-1);
            int startAlgName = aName.lastIndexOf("/");
            aName = aName.substring(startAlgName + 1);
            
            dataset.addValue(measureValue, aName, measureName);
            
            ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
            JFreeChart barChart = ChartFactory.createBarChart("Assotiation Rules Measures", measureName, measureName, dataset, PlotOrientation.VERTICAL, true, true, false);
            StandardChartTheme.createLegacyTheme().apply(barChart);
            
            CategoryItemRenderer renderer = barChart.getCategoryPlot().getRenderer();
            
            // Black and White
            int numItems = algorithmMeasures.size();
            for(int i=0;i<numItems;i++)
            {
                Color color = Color.DARK_GRAY;
                if(i%2 == 1)
                {
                    color = Color.LIGHT_GRAY;
                }
                renderer.setSeriesPaint(i, color);
                renderer.setSeriesOutlinePaint(i, Color.BLACK);
            }
            
            
            int width = 640 * 2; /* Width of the image */
            int height = 480 * 2; /* Height of the image */ 
            
            // JPEG
            File BarChart = new File( outName + "_" + measureName + "_barchart.jpg" );
            ChartUtilities.saveChartAsJPEG( BarChart , barChart , width , height );
            
            // SVG
            SVGGraphics2D g2 = new SVGGraphics2D(width, height);
            Rectangle r = new Rectangle(0, 0, width, height);
            barChart.draw(g2, r);
            File BarChartSVG = new File( outName + "_" + measureName + "_barchart.svg" );
            SVGUtils.writeToSVG(BarChartSVG, g2.getSVGElement());
        }
    }
    /*
    for (Map.Entry<String, HashMap<String, Double>> entry : algorithmMeasures.entrySet())
    {
        String alg = entry.getKey();
        HashMap<String, Double> measures = entry.getValue();
        
        for (Map.Entry<String, Double> entry1 : measures.entrySet())
        {
            String measureName = entry1.getKey();
            Double measureValue = entry1.getValue();
            
            dataset.addValue(measureValue, alg, measureName);
        }
    }
            */
    
}
 

import org.jfree.graphics2d.svg.SVGUtils; //导入方法依赖的package包/类
public void writeToFile(String outName) throws FileNotFoundException, UnsupportedEncodingException, IOException
{
    //calcMeans();
    
    // Create JFreeChart Dataset
    DefaultBoxAndWhiskerCategoryDataset dataset = new DefaultBoxAndWhiskerCategoryDataset( );
    
    
    HashMap<String, ArrayList<Double> > measuresFirst = algorithmMeasures.entrySet().iterator().next().getValue();
    for (Map.Entry<String, ArrayList<Double> > measure : measuresFirst.entrySet())
    {
        String measureName = measure.getKey();
        //Double measureValue = measure.getValue();
        dataset.clear();
        
        for (Map.Entry<String, HashMap<String, ArrayList<Double> >> entry : algorithmMeasures.entrySet())
        {
            String alg = entry.getKey();
            ArrayList<Double> measureValues = entry.getValue().get(measureName);
            
            // Parse algorithm name to show it correctly
            String aName = alg.substring(0, alg.length()-1);
            int startAlgName = aName.lastIndexOf("/");
            aName = aName.substring(startAlgName + 1);
            
            dataset.add(measureValues, aName, measureName);
        }
        
        // Tutorial: http://www.java2s.com/Code/Java/Chart/JFreeChartBoxAndWhiskerDemo.htm
        final CategoryAxis xAxis = new CategoryAxis("Algorithm");
        final NumberAxis yAxis = new NumberAxis("Value");
        yAxis.setAutoRangeIncludesZero(false);
        final BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer();
        
        // Black and White
        int numItems = algorithmMeasures.size();
        for(int i=0;i<numItems;i++)
        {
            Color color = Color.DARK_GRAY;
            if(i%2 == 1)
            {
                color = Color.LIGHT_GRAY;
            }
            renderer.setSeriesPaint(i, color);
            renderer.setSeriesOutlinePaint(i, Color.BLACK);
        }
        
        renderer.setMeanVisible(false);
        renderer.setFillBox(false);
        renderer.setToolTipGenerator(new BoxAndWhiskerToolTipGenerator());
        final CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer);

        Font font = new Font("SansSerif", Font.BOLD, 10);
        //ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
        JFreeChart jchart = new JFreeChart("Assotiation Rules Measures - BoxPlot", font, plot, true);
        //StandardChartTheme.createLegacyTheme().apply(jchart);
     
        int width = 640 * 2; /* Width of the image */
        int height = 480 * 2; /* Height of the image */ 

        // JPEG
        File chart = new File( outName + "_" + measureName + "_boxplot.jpg" );
        ChartUtilities.saveChartAsJPEG( chart , jchart , width , height );

        // SVG
        SVGGraphics2D g2 = new SVGGraphics2D(width, height);
        Rectangle r = new Rectangle(0, 0, width, height);
        jchart.draw(g2, r);
        File BarChartSVG = new File( outName + "_" + measureName + "_boxplot.svg" );
        SVGUtils.writeToSVG(BarChartSVG, g2.getSVGElement());
    }
    
}