本文整理了Java中org.jfree.chart.plot.XYPlot.getDatasetCount()方法的一些代码示例，展示了XYPlot.getDatasetCount()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.getDatasetCount()方法的具体详情如下：
包路径：org.jfree.chart.plot.XYPlot
类名称：XYPlot
方法名：getDatasetCount

XYPlot.getDatasetCount介绍

[英]Returns the number of datasets.
[中]返回数据集的数量。

代码示例

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

private void removeAllDatasetSeries() {
  int datasetCount = xyPlot.getDatasetCount();
  for (int i = 0; i < datasetCount; i++) {
    xyPlot.setDataset(i, null);
  }
}

代码示例来源：origin: stackoverflow.com

XYPlot plot = new XYPlot(this.data1, xAxis, yAxis, renderer1);
   LineFunction2D line = new LineFunction2D(A, B);
   XYDataset lineDS = DatasetUtilities.sampleFunction2D(line,start,end,samples,seriesKey );
   plot.setDataset(plot.getDatasetCount() + 1, lineDS);

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: 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: org.codehaus.jtstand/jtstand-chart

/**
 * Returns the domain axis for a dataset.
 *
 * @param index  the dataset index.
 *
 * @return The axis.
 */
public ValueAxis getDomainAxisForDataset(int index) {
  int upper = Math.max(getDatasetCount(), getRendererCount());
  if (index < 0 || index >= upper) {
    throw new IllegalArgumentException("Index " + index
        + " out of bounds.");
  }
  ValueAxis valueAxis = null;
  List axisIndices = (List) this.datasetToDomainAxesMap.get(
      new Integer(index));
  if (axisIndices != null) {
    // the first axis in the list is used for data <--> Java2D
    Integer axisIndex = (Integer) axisIndices.get(0);
    valueAxis = getDomainAxis(axisIndex.intValue());
  }
  else {
    valueAxis = getDomainAxis(0);
  }
  return valueAxis;
}

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

/**
 * Returns the range axis for a dataset.
 *
 * @param index  the dataset index.
 *
 * @return The axis.
 */
public ValueAxis getRangeAxisForDataset(int index) {
  int upper = Math.max(getDatasetCount(), getRendererCount());
  if (index < 0 || index >= upper) {
    throw new IllegalArgumentException("Index " + index
        + " out of bounds.");
  }
  ValueAxis valueAxis = null;
  List axisIndices = (List) this.datasetToRangeAxesMap.get(
      new Integer(index));
  if (axisIndices != null) {
    // the first axis in the list is used for data <--> Java2D
    Integer axisIndex = (Integer) axisIndices.get(0);
    valueAxis = getRangeAxis(axisIndex.intValue());
  }
  else {
    valueAxis = getRangeAxis(0);
  }
  return valueAxis;
}

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

/**
 * Returns <code>true</code> if all the datasets belonging to the specified
 * plot are empty or <code>null</code>, and <code>false</code> otherwise.
 *
 * @param plot  the plot (<code>null</code> permitted).
 *
 * @return A boolean.
 *
 * @since 1.0.7
 */
public static boolean isEmptyOrNull(XYPlot plot) {
  if (plot != null) {
    for (int i = 0, n = plot.getDatasetCount(); i < n; i++) {
      final XYDataset dataset = plot.getDataset(i);
      if (!DatasetUtilities.isEmptyOrNull(dataset)) {
        return false;
      }
    }
  }
  return true;
}

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

/**
 * Draws the range markers (if any) for a renderer and layer.  This method
 * is typically called from within the draw() method.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param index  the renderer index.
 * @param layer  the layer (foreground or background).
 */
protected void drawRangeMarkers(Graphics2D g2, Rectangle2D dataArea,
                int index, Layer layer) {
  XYItemRenderer r = getRenderer(index);
  if (r == null) {
    return;
  }
  // check that the renderer has a corresponding dataset (it doesn't
  // matter if the dataset is null)
  if (index >= getDatasetCount()) {
    return;
  }
  Collection markers = getRangeMarkers(index, layer);
  ValueAxis axis = getRangeAxisForDataset(index);
  if (markers != null && axis != null) {
    Iterator iterator = markers.iterator();
    while (iterator.hasNext()) {
      Marker marker = (Marker) iterator.next();
      r.drawRangeMarker(g2, this, axis, marker, dataArea);
    }
  }
}

代码示例来源：origin: jfree/jfreechart

/**
 * Draws the domain markers (if any) for an axis and layer.  This method is
 * typically called from within the draw() method.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param index  the dataset/renderer index.
 * @param layer  the layer (foreground or background).
 */
protected void drawDomainMarkers(Graphics2D g2, Rectangle2D dataArea,
                 int index, Layer layer) {
  XYItemRenderer r = getRenderer(index);
  if (r == null) {
    return;
  }
  // check that the renderer has a corresponding dataset (it doesn't
  // matter if the dataset is null)
  if (index >= getDatasetCount()) {
    return;
  }
  Collection markers = getDomainMarkers(index, layer);
  ValueAxis axis = getDomainAxisForDataset(index);
  if (markers != null && axis != null) {
    Iterator iterator = markers.iterator();
    while (iterator.hasNext()) {
      Marker marker = (Marker) iterator.next();
      r.drawDomainMarker(g2, this, axis, marker, dataArea);
    }
  }
}

代码示例来源：origin: jfree/jfreechart

/**
 * Draws the range markers (if any) for a renderer and layer.  This method
 * is typically called from within the draw() method.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param index  the renderer index.
 * @param layer  the layer (foreground or background).
 */
protected void drawRangeMarkers(Graphics2D g2, Rectangle2D dataArea,
                int index, Layer layer) {
  XYItemRenderer r = getRenderer(index);
  if (r == null) {
    return;
  }
  // check that the renderer has a corresponding dataset (it doesn't
  // matter if the dataset is null)
  if (index >= getDatasetCount()) {
    return;
  }
  Collection markers = getRangeMarkers(index, layer);
  ValueAxis axis = getRangeAxisForDataset(index);
  if (markers != null && axis != null) {
    Iterator iterator = markers.iterator();
    while (iterator.hasNext()) {
      Marker marker = (Marker) iterator.next();
      r.drawRangeMarker(g2, this, axis, marker, dataArea);
    }
  }
}

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

/**
 * Draws the domain markers (if any) for an axis and layer.  This method is
 * typically called from within the draw() method.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param index  the renderer index.
 * @param layer  the layer (foreground or background).
 */
protected void drawDomainMarkers(Graphics2D g2, Rectangle2D dataArea,
                 int index, Layer layer) {
  XYItemRenderer r = getRenderer(index);
  if (r == null) {
    return;
  }
  // check that the renderer has a corresponding dataset (it doesn't
  // matter if the dataset is null)
  if (index >= getDatasetCount()) {
    return;
  }
  Collection markers = getDomainMarkers(index, layer);
  ValueAxis axis = getDomainAxisForDataset(index);
  if (markers != null && axis != null) {
    Iterator iterator = markers.iterator();
    while (iterator.hasNext()) {
      Marker marker = (Marker) iterator.next();
      r.drawDomainMarker(g2, this, axis, marker, dataArea);
    }
  }
}

代码示例来源：origin: stackoverflow.com

XYDataset dataSet = // your line dataset
 CombinedDomainXYPlot plot = (CombinedDomainXYPlot) chart.getPlot();
 XYPlot plot = (XYPlot) plot.getSubplots().get(0);
 int dataSetIndx = plot.getDatasetCount();
 plot.setDataset(dataSetIndx, dataSet);
 XYLineAndShapeRenderer lineRenderer = new XYLineAndShapeRenderer(true, false);
 plot.setRenderer(dataSetIndx, lineRenderer);

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

/**
 * Creates a new dataset for visualizing the fitted function.
 * <p>
 * The new dataset is added to the end of the dataset list of the given plot.
 * </p>
 * 
 * @param aPlot Plot to which the new dataset must be added.
 * @return Index of the newly created dataset in the dataset list of <code>aPlot</code>.
 */
protected static int createDataset(XYPlot aPlot) {
  int i = aPlot.getDatasetCount();
  aPlot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
  XYLineAndShapeRenderer rend = new XYLineAndShapeRenderer();
  rend.setSeriesLinesVisible(0, true);
  rend.setSeriesShapesVisible(0, false);
  aPlot.setRenderer(i, rend);
  return i;
}

代码示例来源：origin: bcdev/beam

private void updatePlot(boolean hasData) {
  for (int i = 0; i < timeSeriesPlot.getDatasetCount(); i++) {
    timeSeriesPlot.setDataset(i, null);

代码示例来源：origin: cpesch/RouteConverter

protected String getTooltipAtPoint(Point point) {
    XYPlot plot = (XYPlot) getChart().getPlot();
    PlotRenderingInfo info = getChartRenderingInfo().getPlotInfo();
    double x0 = point.getX();
    double x1 = x0 - 2 * getScaleX();
    double x2 = x0 + 4 * getScaleX();

    ValueAxis domainAxis = plot.getDomainAxis();
    Rectangle2D screenArea = scale(info.getDataArea());
    double tx1 = domainAxis.java2DToValue(x1, screenArea, BOTTOM);
    double tx2 = domainAxis.java2DToValue(x2, screenArea, BOTTOM);

    for (int datasetIndex = 0; datasetIndex < plot.getDatasetCount(); datasetIndex++) {
      XYDataset dataset = plot.getDataset(datasetIndex);
      for (int seriesIndex = 0; seriesIndex < dataset.getSeriesCount(); seriesIndex++) {
        int itemCount = dataset.getItemCount(seriesIndex);
        for (int itemIndex = 0; itemIndex < itemCount; itemIndex++) {
          double xValue = dataset.getXValue(seriesIndex, itemIndex);
          if (tx1 < xValue && xValue < tx2)
            return toolTipGenerator.generateToolTip(dataset, seriesIndex, itemIndex);
        }
      }
    }
    return null;
  }
}

代码示例来源：origin: sc.fiji/TrackMate_

table.addValue( xColumnName, xVal );
final int nSets = plot.getDatasetCount();
for ( int i = 0; i < nSets; i++ )

代码示例来源：origin: fiji/TrackMate

table.addValue( xColumnName, xVal );
final int nSets = plot.getDatasetCount();
for ( int i = 0; i < nSets; i++ )

代码示例来源：origin: bcdev/beam

double my = plot.getRangeAxis().java2DToValue(point.y, dataArea, rangeEdge);
int datasetCount = chartPanel.getChart().getXYPlot().getDatasetCount();
double minDist = Double.POSITIVE_INFINITY;
for (int datasetIndex = 0; datasetIndex < datasetCount; datasetIndex++) {

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

double my = plot.getRangeAxis().java2DToValue(point.y, dataArea, rangeEdge);
int datasetCount = chartPanel.getChart().getXYPlot().getDatasetCount();
double minDist = Double.POSITIVE_INFINITY;
for (int datasetIndex = 0; datasetIndex < datasetCount; datasetIndex++) {