Java Code Examples for org.jfree.data.xy.XYZDataset#getZValue()

/**
 * Iterates over the data items of the xyz dataset to find
 * the z-dimension bounds.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param includeInterval  include the z-interval (if the dataset has a
 *     z-interval.
 *
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateZBounds(XYZDataset dataset,
        boolean includeInterval) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();

    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double value = dataset.getZValue(series, item);
            if (!Double.isNaN(value)) {
                minimum = Math.min(minimum, value);
                maximum = Math.max(maximum, value);
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Iterates over the data items of the xyz dataset to find
 * the z-dimension bounds.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param includeInterval  include the z-interval (if the dataset has a
 *     z-interval.
 *
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateZBounds(XYZDataset dataset,
        boolean includeInterval) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();

    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double value = dataset.getZValue(series, item);
            if (!Double.isNaN(value)) {
                minimum = Math.min(minimum, value);
                maximum = Math.max(maximum, value);
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Iterates over the data items of the xyz dataset to find
 * the z-dimension bounds.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param includeInterval  include the z-interval (if the dataset has a
 *     z-interval.
 *
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateZBounds(XYZDataset dataset,
        boolean includeInterval) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();

    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double value = dataset.getZValue(series, item);
            if (!Double.isNaN(value)) {
                minimum = Math.min(minimum, value);
                maximum = Math.max(maximum, value);
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Iterates over the data items of the xyz dataset to find
 * the z-dimension bounds.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param includeInterval  include the z-interval (if the dataset has a
 *     z-interval.
 *
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateZBounds(XYZDataset dataset,
        boolean includeInterval) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();

    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double value = dataset.getZValue(series, item);
            if (!Double.isNaN(value)) {
                minimum = Math.min(minimum, value);
                maximum = Math.max(maximum, value);
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Iterates over the data items of the xyz dataset to find
 * the z-dimension bounds.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param includeInterval  include the z-interval (if the dataset has a
 *     z-interval.
 *
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateZBounds(XYZDataset dataset,
        boolean includeInterval) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();

    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double value = dataset.getZValue(series, item);
            if (!Double.isNaN(value)) {
                minimum = Math.min(minimum, value);
                maximum = Math.max(maximum, value);
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Iterates over the data items of the xyz dataset to find
 * the z-dimension bounds.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param includeInterval  include the z-interval (if the dataset has a
 *     z-interval.
 *
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateZBounds(XYZDataset dataset,
        boolean includeInterval) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();

    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double value = dataset.getZValue(series, item);
            if (!Double.isNaN(value)) {
                minimum = Math.min(minimum, value);
                maximum = Math.max(maximum, value);
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset,
        List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset,
        List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset,
        List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset,
        List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

private double precomputeMaxZ( final XYZDataset dataset ) {
  double retval = Double.MIN_VALUE;
  for ( int series = 0; series < dataset.getSeriesCount(); series++ ) {
    final int itemcount = dataset.getItemCount( series );
    for ( int item = 0; item < itemcount; item++ ) {
      final double value = dataset.getZValue( series, item );
      if ( retval < value ) {
        retval = value;
      }
    }
  }
  return retval;
}
 

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset,
        List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset,
        List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}
 

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2             the graphics device.
 * @param state          the renderer state.
 * @param dataArea       the area within which the data is being drawn.
 * @param info           collects information about the drawing.
 * @param plot           the plot (can be used to obtain standard color information etc).
 * @param domainAxis     the domain (horizontal) axis.
 * @param rangeAxis      the range (vertical) axis.
 * @param dataset        the dataset (an {@link XYZDataset} is expected).
 * @param series         the series index (zero-based).
 * @param item           the item index (zero-based).
 * @param crosshairState crosshair information for the plot (<code>null</code> permitted).
 * @param pass           the pass index.
 */
public void drawItem( final Graphics2D g2,
                      final XYItemRendererState state,
                      final Rectangle2D dataArea,
                      final PlotRenderingInfo info,
                      final XYPlot plot,
                      final ValueAxis domainAxis,
                      final ValueAxis rangeAxis,
                      final XYDataset dataset,
                      final int series,
                      final int item,
                      final CrosshairState crosshairState,
                      final int pass ) {

  final PlotOrientation orientation = plot.getOrientation();

  // get the data point...
  final double x = dataset.getXValue( series, item );
  final double y = dataset.getYValue( series, item );
  double z = Double.NaN;
  if ( dataset instanceof XYZDataset ) {
    final XYZDataset xyzData = (XYZDataset) dataset;
    z = xyzData.getZValue( series, item );
  }
  if ( !Double.isNaN( z ) ) {
    final RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
    final RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
    final double transX = domainAxis.valueToJava2D( x, dataArea, domainAxisLocation );
    final double transY = rangeAxis.valueToJava2D( y, dataArea, rangeAxisLocation );

    double circleSize;

    circleSize = maxSize * ( z / maxZ );

    circleSize = Math.abs( circleSize );

    Ellipse2D circle = null;
    if ( orientation == PlotOrientation.VERTICAL ) {
      circle = new Ellipse2D.Double( transX - circleSize / 2.0, transY - circleSize / 2.0, circleSize, circleSize );
    } else if ( orientation == PlotOrientation.HORIZONTAL ) {
      circle = new Ellipse2D.Double( transY - circleSize / 2.0, transX - circleSize / 2.0, circleSize, circleSize );
    }
    g2.setPaint( getItemPaint( series, item ) );
    g2.fill( circle );
    g2.setStroke( getItemOutlineStroke( series, item ) );
    g2.setPaint( getItemOutlinePaint( series, item ) );
    g2.draw( circle );

    if ( isItemLabelVisible( series, item ) ) {
      if ( orientation == PlotOrientation.VERTICAL ) {
        drawItemLabel( g2, orientation, dataset, series, item, transX, transY, false );
      } else if ( orientation == PlotOrientation.HORIZONTAL ) {
        drawItemLabel( g2, orientation, dataset, series, item, transY, transX, false );
      }
    }

    // setup for collecting optional entity info...
    EntityCollection entities = null;
    if ( info != null ) {
      entities = info.getOwner().getEntityCollection();
    }

    // add an entity for the item...
    if ( entities != null ) {
      String tip = null;
      final XYToolTipGenerator generator = getToolTipGenerator( series, item );
      if ( generator != null ) {
        tip = generator.generateToolTip( dataset, series, item );
      }
      String url = null;
      if ( getURLGenerator() != null ) {
        url = getURLGenerator().generateURL( dataset, series, item );
      }
      final XYItemEntity entity = new XYItemEntity( circle, dataset, series, item, tip, url );
      entities.add( entity );
    }

    final int domainAxisIndex = plot.getDomainAxisIndex( domainAxis );
    final int rangeAxisIndex = plot.getRangeAxisIndex( rangeAxis );
    updateCrosshairValues( crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY, orientation );
  }

}