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.csvファイル1データ：

sampler_label,aggregate_report_count,average,aggregate_report_median,aggregate_report_90%_line
HTTP Request1,  750               ,26339           ,22644               , 40210
HTTP Request2,  750               ,8280       ,4781              ,21016

.csvファイル2データ：

sampler_label,aggregate_report_count,average,aggregate_report_median,aggregate_report_90%_line
HTTP Request1,  350               ,2539        ,2224                , 48410
HTTP Request4,  350               ,8736       ,9285              ,38217

各サンプラーラベルの両方のファイルの平均値を表す棒グラフを表示したいと思います。ここでは、各ファイルに2つの平均値があります。n個の値が存在する可能性があります。棒グラフでは、ファイル1とファイル2の値を1つのグラフにのみ表示したいと思います。私を助けてください....

4

1 に答える 1

1 
public JFreeChart createBarChartFromCSV() {     


csv csvReader = new csv();
        List<String[]> csvData1 = null;
                List<String[]> csvData2 = null;
        int indexOfAverage1 = 0;
                int indexOfAverage2 = 0;

        csvData1 = csvReader.getDataFromCSV1(csv.CSVFILENAME1);
                csvData2 = csvReader.getDataFromCSV2(csv.CSVFILENAME2);

        for(String[] columnArray : csvData1)
            for(int i = 0; i< columnArray.length; i++)
                if(columnArray[i].equalsIgnoreCase("average")){


enter code here

        indexOfAverage1 = i;
                    break;
                }

        if(indexOfAverage1 == 0){
            System.err.println("Error retrieving data from CSV File1 !!");
            System.exit(0);
        }


         for(String[] columnArray : csvData2)
            for(int j = 0; j< columnArray.length; j++)
                if(columnArray[j].equalsIgnoreCase("average")){
                    indexOfAverage2 = j;
            break;
                }

        if(indexOfAverage2 == 0){
            System.err.println("Error retrieving data from CSV File2 !!");
            System.exit(0);
}                


                JFreeChart barChart = generateBarChart(csvData1,csvData2, indexOfAverage1,indexOfAverage2);

        return barChart;
    }


    private JFreeChart generateBarChart(List<String[]> csvData1,List<String[]> csvData2, int columnIndex1, int columnIndex2){

        DefaultCategoryDataset dataSet = new DefaultCategoryDataset();

        final String YAXIS_NAME = csvData1.get(0)[columnIndex1]; //value returned is "average"
        final String XAXIS_NAME = csvData1.get(0)[0]; //value returned is "sampler_label"

        for(int i = 1; i < csvData1.size() - 1; i++){

            long averageValue1 = Long.parseLong(csvData1.get(i)[columnIndex1]);
            String columnKey1 = csvData1.get(i)[0];

            dataSet.setValue(averageValue1, YAXIS_NAME, columnKey1); // plot the graph
                        }


        for(int j = 1; j< csvData2.size() - 1; j++){

            long averageValue2 = Long.parseLong(csvData2.get(j)[columnIndex2]);
            String columnKey2 = csvData2.get(j)[0];

            dataSet.setValue(averageValue2, YAXIS_NAME, columnKey2); // plot the graph

        }

             System.out.println("created");

JFreeChart chart = ChartFactory.createBarChart("Comparison between the average of 2 values", XAXIS_NAME, YAXIS_NAME, dataSet, PlotOrientation.VERTICAL, true, true, false);      
        final CategoryPlot plot = chart.getCategoryPlot();
        chart.setBackgroundPaint(Color.white);       
        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        BarRenderer renderer=new BarRenderer();

      System.out.print( "set the range axis to display integers only...");
        final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

          System.out.print( "disable bar outlines...");
        renderer = (BarRenderer) plot.getRenderer();
        renderer.setDrawBarOutline(false);
        renderer.setMaximumBarWidth(0.10);


          System.out.print( "set up gradient paints for series...");
    final GradientPaint gp0 = new GradientPaint(
            0.0f, 0.0f, Color.blue, 
            0.0f, 0.0f, Color.lightGray
        );
        final GradientPaint gp1 = new GradientPaint(
            0.0f, 0.0f, Color.green, 
            0.0f, 0.0f, Color.lightGray
        );

        renderer.setSeriesPaint(0, gp0);
        renderer.setSeriesPaint(1, gp1);



                return chart;
    }
于 2013-03-16T14:28:09.880 に答える