本文整理了Java中org.jfree.chart.plot.XYPlot.getDataset()方法的一些代码示例，展示了XYPlot.getDataset()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。XYPlot.getDataset()方法的具体详情如下：
包路径：org.jfree.chart.plot.XYPlot
类名称：XYPlot
方法名：getDataset

XYPlot.getDataset介绍

[英]Returns the primary dataset for the plot.
[中]返回绘图的主数据集。

代码示例

代码示例来源：origin: stackoverflow.com

XYPlot plot = chart.getXYPlot();
plot.setDataset(0, xyDataset1);
plot.setDataset(1, xyDataset2);
XYLineAndShapeRenderer renderer0 = new XYLineAndShapeRenderer(); 
XYLineAndShapeRenderer renderer1 = new XYLineAndShapeRenderer(); 
plot.setRenderer(0, renderer0); 
plot.setRenderer(1, renderer1); 
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(0, Color.red); 
plot.getRendererForDataset(plot.getDataset(1)).setSeriesPaint(0, Color.blue);

代码示例来源：origin: org.cytoscape/network-analyzer-impl

/**
 * Gets the index of the first dataset containing the specified series.
 * 
 * @param aPlot Plot to be searched for the dataset of the fitted function.
 * @param aSeriesName Name of series the dataset should contain.
 * @return Index of the dataset which contains series named <code>aSeriesName</code>,
 *         <code>-1</code> if such dataset does not exist.
 */
protected static int getDatasetIndex(XYPlot aPlot, String aSeriesName) {
  final int datasetCount = aPlot.getDatasetCount();
  for (int i = 0; i < datasetCount; ++i) {
    if (aSeriesName.equals(aPlot.getDataset(i).getSeriesKey(0))) {
      return i;
    }
  }
  return -1;
}

代码示例来源：origin: jfree/jfreechart

/**
 * Returns the primary dataset for the plot.
 *
 * @return The primary dataset (possibly {@code null}).
 *
 * @see #getDataset(int)
 * @see #setDataset(XYDataset)
 */
public XYDataset getDataset() {
  return getDataset(0);
}

代码示例来源：origin: afranken/jmeter-analysis-maven-plugin

public static XYPlot addDatasetRender(XYPlot plot, XYDataset dataset, XYItemRenderer renderer) {
  int index = plot.getDatasetCount();
  // Bug jfreechart. When we create a XYPlot without dataset, one null dataset is added to list.
  if (index == 1 && plot.getDataset(0) == null) {
    index--;
  }
  plot.setDataset(index, dataset);
  plot.setRenderer(index, renderer);
  return plot;
}

代码示例来源：origin: org.codehaus.jtstand/jtstand-chart

/**
 * Returns the primary dataset for the plot.
 *
 * @return The primary dataset (possibly <code>null</code>).
 *
 * @see #getDataset(int)
 * @see #setDataset(XYDataset)
 */
public XYDataset getDataset() {
  return getDataset(0);
}

代码示例来源：origin: senbox-org/snap-desktop

MetadataPlotTableModel(XYPlot plot) {
  this.plot = plot;
  columList = new ArrayList<>();
  columList.add(plot.getDomainAxis().getLabel());
  for(int i = 0; i < plot.getDatasetCount(); i++) {
    columList.add(String.valueOf(plot.getDataset(i).getSeriesKey(0)));
  }
}

代码示例来源：origin: jfree/jfreechart

/**
 * Returns the number of series in the primary dataset for this plot.  If
 * the dataset is {@code null}, the method returns 0.
 *
 * @return The series count.
 */
public int getSeriesCount() {
  int result = 0;
  XYDataset dataset = getDataset();
  if (dataset != null) {
    result = dataset.getSeriesCount();
  }
  return result;
}

代码示例来源：origin: senbox-org/snap-desktop

@Override
public int getRowCount() {
  return plot.getDataset().getItemCount(0);
}

代码示例来源：origin: bcdev/beam

private boolean hasDiagram() {
  return chart.getXYPlot().getDataset() != null;
}

代码示例来源：origin: org.codehaus.jtstand/jtstand-chart

/**
 * Returns the number of series in the primary dataset for this plot.  If
 * the dataset is <code>null</code>, the method returns 0.
 *
 * @return The series count.
 */
public int getSeriesCount() {
  int result = 0;
  XYDataset dataset = getDataset();
  if (dataset != null) {
    result = dataset.getSeriesCount();
  }
  return result;
}

代码示例来源：origin: bcdev/beam

private XYSeries getXYSeries(PixExOp.VariableCombination variableCombination, long productId) {
  final XYSeries xySeries;
  if (plotMaps.get(productId).containsKey(variableCombination)) {
    xySeries = ((XYSeriesCollection) plotMaps.get(productId).get(variableCombination).getXYPlot().getDataset()).getSeries(0);
  } else {
    xySeries = new XYSeries("data");
    JFreeChart scatterPlot = createScatterPlot(variableCombination, xySeries, productId);
    plotMaps.get(productId).put(variableCombination, scatterPlot);
  }
  return xySeries;
}

代码示例来源：origin: senbox-org/snap-desktop

@Override
public Object getValueAt(int rowIndex, int columnIndex) {
  if (columnIndex == 0) {
    return plot.getDataset(columnIndex).getXValue(0, rowIndex);
  } else {
    XYDataset dataset = plot.getDataset(columnIndex - 1);
    int itemCount = dataset.getItemCount(0);
    if (rowIndex < itemCount) {
      return dataset.getYValue(0, rowIndex);
    }else {
      return null;
    }
  }
}

代码示例来源：origin: com.anrisoftware.prefdialog/prefdialog-misc-swing

private XYSeriesCollection getCategory() {
  return (XYSeriesCollection) panel.getChart().getXYPlot().getDataset();
}

代码示例来源：origin: jfree/jfreechart

/**
 * Maps the specified dataset to the axes in the list.  Note that the
 * conversion of data values into Java2D space is always performed using
 * the first axis in the list.
 *
 * @param index  the dataset index (zero-based).
 * @param axisIndices  the axis indices ({@code null} permitted).
 *
 * @since 1.0.12
 */
public void mapDatasetToDomainAxes(int index, List axisIndices) {
  Args.requireNonNegative(index, "index");
  checkAxisIndices(axisIndices);
  Integer key = new Integer(index);
  this.datasetToDomainAxesMap.put(key, new ArrayList(axisIndices));
  // fake a dataset change event to update axes...
  datasetChanged(new DatasetChangeEvent(this, getDataset(index)));
}

代码示例来源：origin: jfree/jfreechart

/**
 * Maps the specified dataset to the axes in the list.  Note that the
 * conversion of data values into Java2D space is always performed using
 * the first axis in the list.
 *
 * @param index  the dataset index (zero-based).
 * @param axisIndices  the axis indices ({@code null} permitted).
 *
 * @since 1.0.12
 */
public void mapDatasetToRangeAxes(int index, List axisIndices) {
  Args.requireNonNegative(index, "index");
  checkAxisIndices(axisIndices);
  Integer key = new Integer(index);
  this.datasetToRangeAxesMap.put(key, new ArrayList(axisIndices));
  // fake a dataset change event to update axes...
  datasetChanged(new DatasetChangeEvent(this, getDataset(index)));
}

代码示例来源：origin: mikaelhg/openblocks

/**
 * Updates the series name at the specified index
 * @param seriesName the new seriesName to set at the specified index
 * @param index the desired index to set the new seriesName to
 */
public void updateSeriesNameAt(String seriesName, int index) {
  if (!lock) {
    XYSeries s = ((XYSeriesCollection) chart.getXYPlot().getDataset()).getSeries(index);
    s.setKey(seriesName);
  }
}

代码示例来源：origin: org.cytoscape/network-analyzer-impl

/**
 * Extracts the visualized data from a given chart instance.
 * <p>
 * This methods extracts the default data series from the default dataset of the given chart.
 * </p>
 * 
 * @param aChart
 *            Chart to extract the data from.
 * @return Visualized data in the form of an array of points.
 */
public static Point2D.Double[] extractData(JFreeChart aChart) {
  XYDataset dataColl = aChart.getXYPlot().getDataset();
  final int n = dataColl.getItemCount(0);
  Point2D.Double[] dataPoints = new Point2D.Double[n];
  for (int i = 0; i < n; ++i) {
    dataPoints[i] = new Point2D.Double(dataColl.getXValue(0, i), dataColl.getYValue(0, i));
  }
  return dataPoints;
}

代码示例来源：origin: mikaelhg/openblocks

/**
 * Updates the values for the specified seriesName with the given values
 * @param seriesName the name a series in the graph
 * @param index the index of the desired series to update
 * @param time the time at which to update
 * @param value the value to update
 */
public void updateValues(String seriesName, int index, double time, double value) {
  if (!lock) {
    XYSeries s = ((XYSeriesCollection) chart.getXYPlot().getDataset()).getSeries(index);
    s.setKey(seriesName);
    s.addOrUpdate(time, value);
  }
}

代码示例来源：origin: mikaelhg/openblocks

/**
 * Clear the graph starting from the startTime.
 * @param startTime an x-value on the graph
 */
public void clearValues(int index, double startTime) {
  if (!lock) {
    XYSeries s = ((XYSeriesCollection) chart.getXYPlot().getDataset()).getSeries(index);
    int i = s.indexOf(startTime);
    if (i >= 0) {
      int total = s.getItemCount();
      for (; i < total; total--) {
        s.remove(i);
      }
    }
  }
}

代码示例来源：origin: mikaelhg/openblocks

/**
 * Clears all values for all series, leaving the same number of series
 */
public void clearValues() {
  if (!lock) {
    for (int i = 0; i < chart.getXYPlot().getSeriesCount(); i++) {
      XYSeries s = ((XYSeriesCollection) chart.getXYPlot().getDataset()).getSeries(i);
      while (s.getItemCount() > 0) {
        s.remove(0);
      }
    }
  }
}