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Through this file it is possible to provide graph data.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package vehicle.modeling; | ||
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| import org.jfree.chart.ChartFactory; | ||
| import org.jfree.chart.ChartPanel; | ||
| import org.jfree.chart.JFreeChart; | ||
| import org.jfree.chart.plot.PlotOrientation; | ||
| import org.jfree.data.xy.XYSeries; | ||
| import org.jfree.data.xy.XYSeriesCollection; | ||
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| import java.awt.*; | ||
| import java.io.BufferedReader; | ||
| import java.io.DataInputStream; | ||
| import java.io.InputStreamReader; | ||
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| /** | ||
| * @author Atiqur Rahman | ||
| * @since 6/18/12 3:20 PM | ||
| */ | ||
| public class ProcessGraphData { | ||
| public static ChartPanel getChart(String graphTitle, String graphDataTitle, Dimension size) { | ||
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| XYSeriesCollection dataSet = getDataSet(graphTitle, graphDataTitle); | ||
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| JFreeChart chart = ChartFactory.createXYLineChart(graphTitle, // chart title | ||
| "X", // domain axis label | ||
| "Y", // range axis label | ||
| dataSet, // data | ||
| PlotOrientation.VERTICAL, | ||
| false, | ||
| true, | ||
| false | ||
| ); | ||
| ChartPanel chartPanel = new ChartPanel(chart); | ||
| chartPanel.setPreferredSize(new java.awt.Dimension(size)); | ||
| chartPanel.setVisible(true); | ||
| return chartPanel; | ||
| } | ||
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| public static XYSeriesCollection getDataSet(String graphTitle, String graphDataTitle) { | ||
| XYSeries series1 = new XYSeries(graphTitle); | ||
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| try { | ||
| DataInputStream in = new DataInputStream(ProcessGraphData.class.getResourceAsStream("/graph-data.txt")); | ||
| BufferedReader br = new BufferedReader(new InputStreamReader(in)); | ||
| String str; | ||
| while ((str = br.readLine()) != null) { | ||
| if (graphDataTitle.equalsIgnoreCase(str)) { | ||
| break; | ||
| } | ||
| } | ||
| String dataX = ""; | ||
| String dataY = ""; | ||
| while ((str = br.readLine()) != null) { | ||
| if ("$".equalsIgnoreCase(str)) { | ||
| break; | ||
| } | ||
| if (str.startsWith("x")) { | ||
| dataX = str; | ||
| } | ||
| if (str.startsWith("y")) { | ||
| dataY = str; | ||
| } | ||
| } | ||
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| dataX = dataX.replaceAll("x ", "").replaceAll(" ", " "); | ||
| dataY = dataY.replaceAll("y ", "").replaceAll(" ", " "); | ||
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| String[] splitDataX = dataX.split(", "); | ||
| String[] splitDataY = dataY.split(", "); | ||
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| for (int i = 0; i < splitDataX.length; i++) { | ||
| series1.add(Double.valueOf(splitDataX[i]), Double.valueOf(splitDataY[i])); | ||
| } | ||
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| in.close(); | ||
| } catch (Exception e) { | ||
| System.err.println(e); | ||
| } | ||
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| XYSeriesCollection dataSet = new XYSeriesCollection(); | ||
| dataSet.addSeries(series1); | ||
| return dataSet; | ||
| } | ||
| } |
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