From: Alejandro F. <ale...@tr...> - 2004-04-16 20:52:29
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Hello, Maybe I'm doing a big mistake! What I'm trying to do, is to crate a label for each item. I'll have a maximum of 10 items in the chart! This way you said works fine, but all my data get the same color, and one legend for it. In other words, I'm trying to construct a bar char with each bar with a different color and label. Is that possible? Or, it's possible to have a legend for each item in the dataset? Thanks! Alejandro Flores > you have 'max' as the number of labels, but your dataset only contains a single item for 'max' > datasets. I think what you want is to have double[1][max] as your data and String[1] for your > legend labels. > > > > --- Alejandro Flores <ale...@de...> wrote: > > Hello There! > > > > Sorry if this question have been answered, but I've searched the > > archives and haven't found! > > Well, I'm trying to create a dynamic bar chart, but can't figure out > > how the labels/legends are connected to data. > > I have an ArrayList with a component who have 2 properties: Name and > > Val. The code I wrote was: > > > > Color[] cores = new Color[] { Color.RED, > > Color.BLUE, > > Color.CYAN, > > Color.DARK_GRAY, > > Color.GRAY, > > Color.GREEN, > > Color.LIGHT_GRAY, > > Color.MAGENTA, > > Color.ORANGE, > > Color.YELLOW }; > > > > int max = al.size(); > > String xAxisTitle= "Times"; > > String yAxisTitle= "Quantity"; > > String title= "Top 10"; > > > > String[] xAxisLabels = new String[max]; > > double[][] data = new double[max][1]; > > String[] legendLabels = new String[max]; > > Paint[] paints= new Paint[max]; //{ Color.blue.darker() }; > > > > for (int k = 0; k < max; k++) { > > xAxisLabels[k] = ""+(k+1); > > Account c = (Account) al.get(k); > > data[k][0] = new Double(c.getVal()).doubleValue(); > > legendLabels[k] = c.getName(); > > paints[k] = colors[k]; > > > > } > > > > DataSeries dataSeries = new DataSeries( xAxisLabels, xAxisTitle, > > yAxisTitle, title ); > > > > BarChartProperties barChartProperties= new > > BarChartProperties(); > > AxisChartDataSet axisChartDataSet= new AxisChartDataSet( data, > > legendLabels, paints, ChartType.BAR, barChartProperties ); > > dataSeries.addIAxisPlotDataSet( axisChartDataSet ); > > > > ChartProperties chartProperties= new ChartProperties(); > > > > //---to make this plot horizontally, pass true to the > > AxisProperties Constructor > > //AxisProperties axisProperties= new AxisProperties( true ); > > AxisProperties axisProperties= new AxisProperties(); > > LegendProperties legendProperties= new LegendProperties(); > > legendProperties.setNumColumns(1); > > AxisChart axisChart= new AxisChart(dataSeries, chartProperties, > > axisProperties, legendProperties, 400, 300 ); > > ByteArrayOutputStream baos = new ByteArrayOutputStream(); > > PNGEncoder.encode( axisChart, baos ); > > JLabel jl = new JLabel(new ImageIcon(baos.toByteArray())); > > ... > > > > The exception is: > > "The size of the Axis Labels Array does not match the number of data > > elements to be plotted." > > > > Thanks in advance! > > Alejandro Flores > > > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by: IBM Linux Tutorials > > Free Linux tutorial presented by Daniel Robbins, President and CEO of > > GenToo technologies. Learn everything from fundamentals to system > > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > > _______________________________________________ > > jCharts-users mailing list > > jCh...@li... > > https://lists.sourceforge.net/lists/listinfo/jcharts-users > > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Tax Center - File online by April 15th > http://taxes.yahoo.com/filing.html > > > ------------------------------------------------------- > This SF.Net email is sponsored by: IBM Linux Tutorials > Free Linux tutorial presented by Daniel Robbins, President and CEO of > GenToo technologies. Learn everything from fundamentals to system > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > _______________________________________________ > jCharts-users mailing list > jCh...@li... > https://lists.sourceforge.net/lists/listinfo/jcharts-users > --TriForSec http://www.triforsec.com.br/ |