Re: [jCharts-users] ClusteredBar Combo Chart

[Nathaniel G. A. <nat...@ya...>]

what is the error you get?



--- Thiago Henrique Burgos <thi...@ce...> wrote:

> hello,
> 
>    is it possible to create a clustered bar with 2 bar instead of 3? 
> beacuse I could´t make it out.
>   When I put only two entries on my data variable it doenst work out.
> Here is my class:
> 
> package org.jCharts.demo.simpleServlet;
> 
> 
> import org.jCharts.axisChart.AxisChart;
> import 
> org.jCharts.axisChart.customRenderers.axisValue.renderers.ValueLabelPosition;
> import 
> org.jCharts.axisChart.customRenderers.axisValue.renderers.ValueLabelRenderer;
> import org.jCharts.chartData.AxisChartDataSet;
> import org.jCharts.chartData.DataSeries;
> import org.jCharts.chartData.interfaces.IAxisDataSeries;
> import org.jCharts.encoders.ServletEncoderHelper;
> import org.jCharts.properties.*;
> import org.jCharts.properties.util.ChartFont;
> import org.jCharts.test.TestDataGenerator;
> import org.jCharts.types.ChartType;
> 
> import javax.servlet.ServletException;
> import javax.servlet.http.*;
> import java.awt.*;
> import java.io.IOException;
> 
> 
> public class ComboChartServlet extends HttpServlet
> {
>     //---all of my charts serviced by this Servlet will have the same 
> properties.
>     private LineChartProperties lineChartProperties;
> 
>     //---all of my charts serviced by this Servlet will have the same 
> properties.
>     private BarChartProperties barChartProperties;
> 
>     //---all of my charts serviced by this Servlet will have the same 
> properties.
>     protected LegendProperties legendProperties;
>     protected AxisProperties axisProperties;
>     protected ChartProperties chartProperties;
> 
>     protected int width = 550;
>     protected int height = 360;
> 
> 
>     
> /**********************************************************************************************
>      *
>     
>  **********************************************************************************************/
>     public void init()
>     {
>         this.legendProperties = new LegendProperties();
>         this.chartProperties = new ChartProperties();
>         this.axisProperties = new AxisProperties( false );
>         ChartFont axisScaleFont = new ChartFont( new Font( "Georgia 
> Negreta cursiva", Font.PLAIN, 13 ), Color.black );
>         axisProperties.getXAxisProperties().setScaleChartFont( 
> axisScaleFont );
>         axisProperties.getYAxisProperties().setScaleChartFont( 
> axisScaleFont );
> 
>         ChartFont axisTitleFont = new ChartFont( new Font( "Arial 
> Narrow", Font.PLAIN, 14 ), Color.black );
>         axisProperties.getXAxisProperties().setTitleChartFont( 
> axisTitleFont );
>         axisProperties.getYAxisProperties().setTitleChartFont( 
> axisTitleFont );
> 
>         ChartFont titleFont = new ChartFont( new Font( "Georgia Negreta 
> cursiva", Font.PLAIN, 14 ), Color.black );
>         this.chartProperties.setTitleFont( titleFont );
> 
> 
>         Stroke[] strokes = {LineChartProperties.DEFAULT_LINE_STROKE};
>         Shape[] shapes = {PointChartProperties.SHAPE_DIAMOND};
>         this.lineChartProperties = new LineChartProperties( strokes, 
> shapes );
> 
>         this.barChartProperties = new BarChartProperties();
>     }
> 
> 
>     
> /**********************************************************************************************
>      *
>     
>  **********************************************************************************************/
>     public void service( HttpServletRequest req, HttpServletResponse 
> httpServletResponse ) throws ServletException, IOException
>     {
>         try
>         {
>             String[] xAxisLabels = {"2002", "2003", "2004"};
>             String xAxisTitle = "Meses";
>             String yAxisTitle = "Numero de CRs";
>             String title = "Backlog de CRs";
>             IAxisDataSeries dataSeries = new DataSeries( xAxisLabels, 
> xAxisTitle, yAxisTitle, title );
>            
>             ValueLabelRenderer valueLabelRenderer = new 
> ValueLabelRenderer( false, false, true ,-1 );
>             valueLabelRenderer.setValueLabelPosition( 
> ValueLabelPosition.ON_TOP );           
>             valueLabelRenderer.useVerticalLabels( false );
>             barChartProperties.addPostRenderEventListener( 
> valueLabelRenderer );
>            
>             //double[][] data= new double[][]{{ 145, 80, 55 }};
>             double[][] dataLinha = new double[][]{{50, 50, 50}};
>             //String[] legendLabels = {"Bugs"};
>             String[] legendLine = {"backlog de CRs"};
>             //Paint[] paints = new Paint[]{Color.gray.darker()};
>             Paint[] linePaints = new Paint[]{Color.green};
>            
>                  double[][] data= new double[][]{
>                          {120,80,55},
>                          {25,10,84},
>                          {45,18,5}              
>                  };
>                  String[] legendLabels= { "Bugs", "Security Holes", 
> "Backdoors" };
>                  Paint[] paints= TestDataGenerator.getRandomPaints( 3 );
>                  ClusteredBarChartProperties 
> clusteredBarChartProperties= new ClusteredBarChartProperties();
>                  AxisChartDataSet axisChartDataSet= new 
> AxisChartDataSet( data, legendLabels, paints, ChartType.BAR_CLUSTERED, 
> clusteredBarChartProperties );
>                  dataSeries.addIAxisPlotDataSet( axisChartDataSet );
>    
>                  ChartProperties chartProperties= new ChartProperties();
>            
>             //dataSeries.addIAxisPlotDataSet( new AxisChartDataSet( 
> data, legendLabels, paints, ChartType.BAR, this.barChartProperties ) );
>             dataSeries.addIAxisPlotDataSet( new AxisChartDataSet( 
> dataLinha, legendLine, linePaints, ChartType.LINE, 
> this.lineChartProperties ) );
>                
>             AxisChart axisChart = new AxisChart( dataSeries, 
> this.chartProperties, this.axisProperties, this.legendProperties, 
> this.width, this.height );
>             ServletEncoderHelper.encodeJPEG13( axisChart, 1.0f, 
> httpServletResponse );
>         }
>         catch( Throwable throwable )
>         {
>             //HACK do your error handling here...
>             throwable.printStackTrace();
>         }
>     }
> }
> 
> -- 
> Thiago Henrique Burgos
> Engenheiro de Configuração
> ______________________________________________________________
> C.entro de E.studos e S.istemas A.vancados do R.ecife
> Fone: +55 81 3425-4857
> http://www.cesar.org.br 
> 
> 
> 
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