Example usage for org.jfree.data.xy XYDataset getY

List of usage examples for org.jfree.data.xy XYDataset getY

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Introduction

In this page you can find the example usage for org.jfree.data.xy XYDataset getY.

Prototype

public Number getY(int series, int item);

Source Link

Document

Returns the y-value for an item within a series.

Usage

From source file:playground.benjamin.scenarios.zurich.analysis.charts.BkChartWriter.java

public static void writeChartDataToFile(String filename, JFreeChart chart) {
    filename += ".txt";
    try {//from w  w w.  j a  va 2  s  .com
        BufferedWriter writer = IOUtils.getBufferedWriter(filename);
        try { /*read "try" as if (plot instanceof XYPlot)*/
            XYPlot xy = chart.getXYPlot();
            String yAxisLabel = xy.getRangeAxis().getLabel();

            String xAxisLabel = "";
            if (xy.getDomainAxis() != null) {
                xAxisLabel = xy.getDomainAxis().getLabel();
            }
            String header = xAxisLabel + "\t " + yAxisLabel;
            writer.write(header);
            writer.newLine();
            for (int i = 0; i < xy.getDatasetCount(); i++) {
                XYDataset xyds = xy.getDataset(i);
                for (int seriesIndex = 0; seriesIndex < xyds.getSeriesCount(); seriesIndex++) {
                    writer.newLine();
                    writer.write("Series " + "'" + xyds.getSeriesKey(seriesIndex).toString());
                    writer.write("'");
                    writer.newLine();
                    int items = xyds.getItemCount(seriesIndex);
                    for (int itemsIndex = 0; itemsIndex < items; itemsIndex++) {
                        Number xValue = xyds.getX(seriesIndex, itemsIndex);
                        Number yValue = xyds.getY(seriesIndex, itemsIndex);
                        writer.write(xValue.toString());
                        writer.write("\t");
                        writer.write(yValue.toString());
                        writer.newLine();
                    }
                }
            }
            System.out.println("Table written to : " + filename + "\n"
                    + "==================================================");

        } catch (ClassCastException e) { //else instanceof CategoryPlot
            log.info("caught class cast exception, trying to write CategoryPlot");
            CategoryPlot cp = chart.getCategoryPlot();
            String header = "CategoryRowKey \t CategoryColumnKey \t CategoryRowIndex \t CategoryColumnIndex \t Value";
            writer.write(header);
            writer.newLine();
            for (int i = 0; i < cp.getDatasetCount(); i++) {
                CategoryDataset cpds = cp.getDataset(i);
                for (int rowIndex = 0; rowIndex < cpds.getRowCount(); rowIndex++) {
                    for (int columnIndex = 0; columnIndex < cpds.getColumnCount(); columnIndex++) {
                        Number value = cpds.getValue(rowIndex, columnIndex);
                        writer.write(cpds.getRowKey(rowIndex).toString());
                        writer.write("\t");
                        writer.write(cpds.getColumnKey(columnIndex).toString());
                        writer.write("\t");
                        writer.write(Integer.toString(rowIndex));
                        writer.write("\t");
                        writer.write(Integer.toString(columnIndex));
                        writer.write("\t");
                        writer.write(value.toString());
                        writer.newLine();
                    }
                }
            }

        }
        writer.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:org.pentaho.plugin.jfreereport.reportcharts.LogXYItemLabelGenerator.java

/**
 * Creates the array of items that can be passed to the {@link java.text.MessageFormat} class for creating labels.
 *
 * @param dataset the dataset (<code>null</code> not permitted).
 * @param series  the series (zero-based index).
 * @param item    the item (zero-based index).
 * @return An array of three items from the dataset formatted as <code>String</code> objects (never
 * <code>null</code>)./*from ww  w .j a  v a2 s .c  o  m*/
 */
protected Object[] createItemArray(final XYDataset dataset, final int series, final int item) {
    final Object[] objects = super.createItemArray(dataset, series, item);
    final Number value = dataset.getY(series, item);
    objects[2] = LogCategoryItemLabelGenerator.formatValue(value);
    return objects;
}

From source file:net.sf.mzmine.modules.visualization.spectra.renderers.SpectraItemLabelGenerator.java

/**
 * @see org.jfree.chart.labels.XYItemLabelGenerator#generateLabel(org.jfree.data.xy.XYDataset,
 *      int, int)/* ww  w  .ja  va2  s.c o  m*/
 */
public String generateLabel(XYDataset dataset, int series, int item) {

    // X and Y values of current data point
    double originalX = dataset.getX(series, item).doubleValue();
    double originalY = dataset.getY(series, item).doubleValue();

    // Calculate data size of 1 screen pixel
    double xLength = (double) plot.getXYPlot().getDomainAxis().getRange().getLength();
    double pixelX = xLength / plot.getWidth();

    // Size of data set
    int itemCount = dataset.getItemCount(series);

    // Search for data points higher than this one in the interval
    // from limitLeft to limitRight
    double limitLeft = originalX - ((POINTS_RESERVE_X / 2) * pixelX);
    double limitRight = originalX + ((POINTS_RESERVE_X / 2) * pixelX);

    // Iterate data points to the left and right
    for (int i = 1; (item - i > 0) || (item + i < itemCount); i++) {

        // If we get out of the limit we can stop searching
        if ((item - i > 0) && (dataset.getXValue(series, item - i) < limitLeft)
                && ((item + i >= itemCount) || (dataset.getXValue(series, item + i) > limitRight)))
            break;

        if ((item + i < itemCount) && (dataset.getXValue(series, item + i) > limitRight)
                && ((item - i <= 0) || (dataset.getXValue(series, item - i) < limitLeft)))
            break;

        // If we find higher data point, bail out
        if ((item - i > 0) && (originalY <= dataset.getYValue(series, item - i)))
            return null;

        if ((item + i < itemCount) && (originalY <= dataset.getYValue(series, item + i)))
            return null;

    }

    // Create label
    String label = null;
    if (dataset instanceof ScanDataSet) {
        label = ((ScanDataSet) dataset).getAnnotation(item);
    }
    if (label == null) {
        double mzValue = dataset.getXValue(series, item);
        label = mzFormat.format(mzValue);
    }

    return label;

}

From source file:net.sf.mzmine.modules.visualization.metamsecorrelate.visual.pseudospectra.PseudoSpectraItemLabelGenerator.java

/**
 * @see org.jfree.chart.labels.XYItemLabelGenerator#generateLabel(org.jfree.data.xy.XYDataset,
 *      int, int)/* w w w  .  ja v  a 2s.c o m*/
 */
public String generateLabel(XYDataset dataset, int series, int item) {

    // X and Y values of current data point
    double originalX = dataset.getX(series, item).doubleValue();
    double originalY = dataset.getY(series, item).doubleValue();

    // Calculate data size of 1 screen pixel
    double xLength = (double) plot.getChart().getXYPlot().getDomainAxis().getRange().getLength();
    double pixelX = xLength / plot.getWidth();

    // Size of data set
    int itemCount = dataset.getItemCount(series);

    // Search for data points higher than this one in the interval
    // from limitLeft to limitRight
    double limitLeft = originalX - ((POINTS_RESERVE_X / 2) * pixelX);
    double limitRight = originalX + ((POINTS_RESERVE_X / 2) * pixelX);

    // Iterate data points to the left and right
    for (int i = 1; (item - i > 0) || (item + i < itemCount); i++) {

        // If we get out of the limit we can stop searching
        if ((item - i > 0) && (dataset.getXValue(series, item - i) < limitLeft)
                && ((item + i >= itemCount) || (dataset.getXValue(series, item + i) > limitRight)))
            break;

        if ((item + i < itemCount) && (dataset.getXValue(series, item + i) > limitRight)
                && ((item - i <= 0) || (dataset.getXValue(series, item - i) < limitLeft)))
            break;

        // If we find higher data point, bail out
        if ((item - i > 0) && (originalY <= dataset.getYValue(series, item - i)))
            return null;

        if ((item + i < itemCount) && (originalY <= dataset.getYValue(series, item + i)))
            return null;

    }

    // Create label
    String label = null;
    if (dataset instanceof PseudoSpectrumDataSet) {
        double mzValue = dataset.getXValue(series, item);
        label = mzFormat.format(mzValue);
        String ann = ((PseudoSpectrumDataSet) dataset).getAnnotation(item);
        if (ann != null)
            label = label + "\n" + ann;
        return label;
    }
    if (label == null) {
        double mzValue = dataset.getXValue(series, item);
        label = mzFormat.format(mzValue);
    }

    return label;

}

From source file:com.att.aro.ui.view.diagnostictab.plot.BufferOccupancyPlot.java

@Override
public void populate(XYPlot plot, AROTraceData analysis) {

    if (analysis != null) {

        bufferFillDataCollection.removeAllSeries();
        seriesBufferFill = new XYSeries("Buffer Fill");
        seriesDataSets = new TreeMap<>();

        seriesDataSets = bufferOccupancyCalculatorImpl.populateBufferOccupancyDataSet(
                analysis.getAnalyzerResult().getVideoUsage(), chunkPlayTimeList);
        bufferSizeList.clear();//w w  w.  ja  v a  2  s  .  c  o m

        double xCoordinate, yCoordinate;
        String ptCoordinate[] = new String[2]; // to hold x & y values
        if (!seriesDataSets.isEmpty()) {

            for (int key : seriesDataSets.keySet()) {
                ptCoordinate = seriesDataSets.get(key).trim().split(",");
                xCoordinate = Double.parseDouble(ptCoordinate[0]);
                yCoordinate = Double.parseDouble(ptCoordinate[1]);
                yCoordinate = yCoordinate / 1024; //Converting Buffer size measurement unit to KB
                bufferSizeList.add(yCoordinate);
                seriesBufferFill.add(xCoordinate, yCoordinate);
            }
        }
        Collections.sort(bufferSizeList);
        BufferOccupancyBPResult bufferOccupancyResult = bufferOccupancyCalculatorImpl
                .setMaxBuffer(bufferSizeList.get(bufferSizeList.size() - 1));
        bufferOccupancyResult.setBufferByteDataSet(bufferSizeList);
        analysis.getAnalyzerResult().setBufferOccupancyResult(bufferOccupancyResult);
        // populate collection
        bufferFillDataCollection.addSeries(seriesBufferFill);

        XYItemRenderer renderer = new StandardXYItemRenderer();
        renderer.setBaseToolTipGenerator(new XYToolTipGenerator() {

            @Override
            public String generateToolTip(XYDataset dataset, int series, int item) {

                // Tooltip value
                Number timestamp = dataset.getX(series, item);
                Number bufferSize = dataset.getY(series, item);
                StringBuffer tooltipValue = new StringBuffer();
                tooltipValue.append(String.format("%.2f", bufferSize) + "," + String.format("%.2f", timestamp));

                String[] value = tooltipValue.toString().split(",");
                return (MessageFormat.format(BUFFEROCCUPANCY_TOOLTIP, value[0], value[1]));
                //return "BufferSize: " + String.format("%.2f", bufferSize) + "KB \n Timestamp: " + String.format("%.2f", timestamp)+"S";
            }

        });
        renderer.setSeriesStroke(0, new BasicStroke(2.0f));
        renderer.setSeriesPaint(0, Color.blue);
        renderer.setSeriesShape(0, shape);

        plot.setRenderer(renderer);

    }
    plot.setDataset(bufferFillDataCollection);
}

From source file:org.pentaho.plugin.jfreereport.reportcharts.FormulaXYZURLGenerator.java

/**
 * Generates a URL for a particular item within a series.
 *
 * @param dataset the dataset.//from   w  w  w .  j  a v  a  2  s. c o m
 * @param series  the series number (zero-based index).
 * @param item    the item number (zero-based index).
 * @return The generated URL.
 */
public String generateURL(final XYDataset dataset, final int series, final int item) {
    if (dataset instanceof XYZDataset) {
        return generateURL((XYZDataset) dataset, series, item);
    }
    try {
        final Object[] values = new Object[] { dataset.getX(series, item), dataset.getY(series, item), null,
                IntegerCache.getInteger(series), dataset.getSeriesKey(series),
                IntegerCache.getInteger(dataset.getSeriesCount()), IntegerCache.getInteger(item),
                IntegerCache.getInteger(dataset.getItemCount(series)) };
        formulaExpression.setRuntime(
                new WrapperExpressionRuntime(new StaticDataRow(ADDITIONAL_COLUMN_KEYS, values), runtime));
        final Object o = formulaExpression.getValue();
        if (o == null) {
            return null;
        }
        return String.valueOf(o);
    } finally {
        formulaExpression.setRuntime(null);
    }
}

From source file:com.att.aro.ui.view.diagnostictab.plot.AttenuatorPlot.java

/**
 * @param plot/*from  w  w w .  j a v  a 2  s  .  com*/
 * @param seriesDL
 * @param seriesUP
 */
private void setDataPlot(XYPlot plot, XYSeries seriesDL, XYSeries seriesUP) {
    XYSeriesCollection sercollection = new XYSeriesCollection();
    sercollection.addSeries(seriesDL);
    sercollection.addSeries(seriesUP);

    XYStepRenderer renderer = new XYStepRenderer();
    XYPlot plot1 = (XYPlot) plot;
    plot1.getRangeAxis().setAutoRangeMinimumSize(2.0);//for the data set is constant value(ex. 0)      
    renderer = (XYStepRenderer) plot1.getRenderer();
    renderer.setBaseShapesVisible(true);
    renderer.setSeriesStroke(0, new BasicStroke(2.0f));
    renderer.setSeriesStroke(1, new BasicStroke(4.0f));

    renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    renderer.setDefaultEntityRadius(6);
    renderer.setBaseToolTipGenerator(new XYToolTipGenerator() {
        @Override
        public String generateToolTip(XYDataset dataset, int series, int item) {
            StringBuffer displayInfo = new StringBuffer();
            java.lang.Number tempx = dataset.getX(series, item);
            java.lang.Number tempy = dataset.getY(series, item);
            // series 0 -> downstream , stries 1 -> upstream
            String streamInfo = "";
            if (series == 0) {
                streamInfo = "Downlink Delay";
            } else {
                streamInfo = "Uplink Delay";
            }
            return displayInfo.append("Time: " + tempx + " , " + streamInfo + " : " + tempy + "ms").toString();
        }
    });
    plot.setRenderer(renderer);
    plot.setDataset(sercollection);

}

From source file:org.pentaho.plugin.jfreereport.reportcharts.FormulaXYZTooltipGenerator.java

/**
 * Generates the tooltip text for the specified item.
 *
 * @param dataset the dataset (<code>null</code> not permitted).
 * @param series  the series index (zero-based).
 * @param item    the item index (zero-based).
 * @return The tooltip text (possibly <code>null</code>).
 *//*from  w  w w.jav a2  s.c o m*/
public String generateToolTip(final XYDataset dataset, final int series, final int item) {
    if (dataset instanceof XYZDataset) {
        return generateToolTip((XYZDataset) dataset, series, item);
    }
    try {
        final Object[] values = new Object[] { dataset.getX(series, item), dataset.getY(series, item), null,
                IntegerCache.getInteger(series), dataset.getSeriesKey(series),
                IntegerCache.getInteger(dataset.getSeriesCount()), IntegerCache.getInteger(item),
                IntegerCache.getInteger(dataset.getItemCount(series)) };
        formulaExpression.setRuntime(
                new WrapperExpressionRuntime(new StaticDataRow(ADDITIONAL_COLUMN_KEYS, values), runtime));
        final Object o = formulaExpression.getValue();
        if (o == null) {
            return null;
        }
        return String.valueOf(o);
    } finally {
        formulaExpression.setRuntime(null);
    }
}

From source file:com.newatlanta.bluedragon.XYURLGenerator.java

/**
 * Generates a URL for a particular item within a series.
 * /*ww w  .jav a  2 s  .  c o  m*/
 * @param dataset
 *          the dataset.
 * @param series
 *          the series index (zero-based).
 * @param category
 *          the category index (zero-based).
 * 
 * @return The generated URL.
 */
@SuppressWarnings("deprecation")
public String generateURL(XYDataset dataset, int series, int item) {
    String seriesKey = dataset.getSeriesKey(series).toString();
    Number xValue = dataset.getX(series, item);
    Number yValue = dataset.getY(series, item);
    String value;
    if (yValue == null)
        value = "";
    else if (dateFormat != null)
        value = this.dateFormat.format(yValue);
    else
        value = this.numberFormat.format(yValue);

    StringBuilder generatedURL = new StringBuilder(urlLower.length());
    for (int i = 0; i < urlLower.length();) {
        char ch = urlLower.charAt(i);
        if (ch == '$') {
            if (urlLower.regionMatches(i, "$serieslabel$", 0, "$serieslabel$".length())) {
                generatedURL.append(URLEncoder.encode(seriesKey));
                i = i + "$serieslabel$".length();
            } else if (urlLower.regionMatches(i, "$itemlabel$", 0, "$itemlabel$".length())) {
                generatedURL.append(xValue);
                i = i + "$itemlabel$".length();
            } else if (urlLower.regionMatches(i, "$value$", 0, "$value$".length())) {
                generatedURL.append(value);
                i = i + "$value$".length();
            } else {
                // Preserve case by retrieving char from original URL
                generatedURL.append(url.charAt(i));
                i++;
            }
        } else {
            // Preserve case by retrieving char from original URL
            generatedURL.append(url.charAt(i));
            i++;
        }
    }
    return generatedURL.toString();
}

From source file:com.att.aro.ui.view.diagnostictab.plot.SpeedThrottlePlot.java

/**
 * @param plot/*from w  w  w.  j a v  a2 s  . c o  m*/
 * @param seriesDL
 * @param seriesUP
 */
private void setDataPlot(XYPlot plot, XYSeries seriesDL, XYSeries seriesUP) {
    serCollection.addSeries(seriesDL);
    serCollection.addSeries(seriesUP);

    XYStepRenderer renderer = new XYStepRenderer();

    LogAxis rangeAxis = new LogAxis(); // new API 
    rangeAxis.setAutoRange(true);
    rangeAxis.setVisible(false);
    plot.setRangeAxis(rangeAxis);
    plot.setRangePannable(true);
    plot.setRangeCrosshairVisible(true);

    renderer = (XYStepRenderer) plot.getRenderer();
    renderer.setBaseShapesVisible(true);
    renderer.setSeriesStroke(0, new BasicStroke(1.0f));
    renderer.setSeriesStroke(1, new BasicStroke(2.5f));
    renderer.setSeriesPaint(0, Color.blue);
    renderer.setSeriesPaint(1, Color.red);
    renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    renderer.setDefaultEntityRadius(6);

    renderer.setBaseToolTipGenerator(new XYToolTipGenerator() {
        @Override
        public String generateToolTip(XYDataset dataset, int series, int item) {
            StringBuffer displayInfo = new StringBuffer();
            java.lang.Number tempx = dataset.getX(series, item);
            java.lang.Number tempy = dataset.getY(series, item);
            // series 0 -> downstream , stries 1 -> upstream
            String streamInfo = "";
            if (series == 0) {
                streamInfo = ResourceBundleHelper.getMessageString("dlog.collector.option.attenuator.downlink");
            } else {
                streamInfo = ResourceBundleHelper.getMessageString("dlog.collector.option.attenuator.uplink");
            }
            return displayInfo.append("Time: " + tempx + " , " + streamInfo + " : " + tempy + " kbps")
                    .toString();
        }
    });
    plot.setRenderer(renderer);
    plot.setDataset(serCollection);

}