Package org.jfree.data

Class DefaultContourDataset

java.lang.Object
org.jfree.data.AbstractDataset
org.jfree.data.AbstractSeriesDataset
org.jfree.data.AbstractXYDataset
org.jfree.data.AbstractXYZDataset
org.jfree.data.DefaultContourDataset
All Implemented Interfaces:
ObjectInputValidation, Serializable, Cloneable, EventListener, ContourDataset, Dataset, SeriesChangeListener, SeriesDataset, XYDataset, XYZDataset
Direct Known Subclasses:
NonGridContourDataset
public class DefaultContourDataset
extends AbstractXYZDataset
implements ContourDataset
A convenience class that provides a default implementation of the ContourDataset interface.
Author:
David M. O'Donnell
See Also:
Serialized Form

  • Constructor Details

    • DefaultContourDataset

      public DefaultContourDataset()
      Creates a new dataset, initially empty.

    • DefaultContourDataset

      public DefaultContourDataset​(String seriesName, Object[] xData, Object[] yData, Object[] zData)
      Constructs a new dataset with the given data.
      Parameters:
      seriesName - the series name.
      xData - the x values.
      yData - the y values.
      zData - the z values.

  • Method Details

    • initialize

      public void initialize​(Object[] xData, Object[] yData, Object[] zData)
      Initialises the dataset.
      Parameters:
      xData - the x values.
      yData - the y values.
      zData - the z values.

    • formObjectArray

      public static Object[][] formObjectArray​(double[][] data)
      Creates an object array from an array of doubles.
      Parameters:
      data - the data.
      Returns:
      An array of Double objects.

    • formObjectArray

      public static Object[] formObjectArray​(double[] data)
      Creates an object array from an array of doubles.
      Parameters:
      data - the data.
      Returns:
      An array of Double objects.

    • getItemCount

      public int getItemCount​(int series)
      Returns the number of items in the specified series.

      Method provided to satisfy the XYDataset interface implementation.

      Specified by:
      getItemCount in interface XYDataset
      Parameters:
      series - must be zero, as this dataset only supports one series.
      Returns:
      the item count.

    • getMaxZValue

      public double getMaxZValue()
      Returns the maximum z-value.
      Specified by:
      getMaxZValue in interface ContourDataset
      Returns:
      The maximum z-value.

    • getMinZValue

      public double getMinZValue()
      Returns the minimum z-value.
      Specified by:
      getMinZValue in interface ContourDataset
      Returns:
      The minimum z-value.

    • getZValueRange

      public Range getZValueRange​(Range x, Range y)
      Returns the maximum z-value within visible region of plot.
      Specified by:
      getZValueRange in interface ContourDataset
      Parameters:
      x - the x range.
      y - the y range.
      Returns:
      The z range.

    • getMinZValue

      public double getMinZValue​(double minX, double minY, double maxX, double maxY)
      Returns the minimum z-value.
      Parameters:
      minX - the minimum x value.
      minY - the minimum y value.
      maxX - the maximum x value.
      maxY - the maximum y value.
      Returns:
      the minimum z-value.

    • getSeriesCount

      public int getSeriesCount()
      Returns the number of series.

      Required by XYDataset interface (this will always return 1)

      Specified by:
      getSeriesCount in interface SeriesDataset
      Specified by:
      getSeriesCount in class AbstractSeriesDataset
      Returns:
      1.

    • getSeriesName

      public String getSeriesName​(int series)
      Returns the name of the specified series. Method provided to satisfy the XYDataset interface implementation
      Specified by:
      getSeriesName in interface SeriesDataset
      Specified by:
      getSeriesName in class AbstractSeriesDataset
      Parameters:
      series - must be zero.
      Returns:
      the series name.

    • getXIndices

      public int[] getXIndices()
      Returns the index of the xvalues.
      Specified by:
      getXIndices in interface ContourDataset
      Returns:
      The x values.

    • getXValues

      public Number[] getXValues()
      Returns the x values.
      Specified by:
      getXValues in interface ContourDataset
      Returns:
      The x values.

    • getXValue

      public Number getXValue​(int series, int item)
      Returns the x value for the specified series and index (zero-based indices). Required by the XYDataset
      Specified by:
      getXValue in interface XYDataset
      Parameters:
      series - must be zero;
      item - the item index (zero-based).
      Returns:
      The x value.

    • getXValue

      public Number getXValue​(int item)
      Returns an x value.
      Parameters:
      item - the item index (zero-based).
      Returns:
      The X value.

    • getYValues

      public Number[] getYValues()
      Returns a Number array containing all y values.
      Specified by:
      getYValues in interface ContourDataset
      Returns:
      The Y values.

    • getYValue

      public Number getYValue​(int series, int item)
      Returns the y value for the specified series and index (zero-based indices). Required by the XYDataset
      Specified by:
      getYValue in interface XYDataset
      Parameters:
      series - the series index (must be zero for this dataset).
      item - the item index (zero-based).
      Returns:
      The Y value.

    • getZValues

      public Number[] getZValues()
      Returns a Number array containing all z values.
      Specified by:
      getZValues in interface ContourDataset
      Returns:
      The Z values.

    • getZValue

      public Number getZValue​(int series, int item)
      Returns the z value for the specified series and index (zero-based indices). Required by the XYDataset
      Specified by:
      getZValue in interface XYZDataset
      Parameters:
      series - the series index (must be zero for this dataset).
      item - the item index (zero-based).
      Returns:
      The Z value.

    • indexX

      public int[] indexX()
      Returns an int array contain the index into the x values.
      Specified by:
      indexX in interface ContourDataset
      Returns:
      The X values.

    • indexX

      public int indexX​(int k)
      Given index k, returns the column index containing k.
      Parameters:
      k - index of interest.
      Returns:
      The column index.

    • indexY

      public int indexY​(int k)
      Given index k, return the row index containing k.
      Parameters:
      k - index of interest.
      Returns:
      The row index.

    • indexZ

      public int indexZ​(int i, int j)
      Given column and row indices, returns the k index.
      Parameters:
      i - index of along x-axis.
      j - index of along y-axis.
      Returns:
      The Z index.

    • isDateAxis

      public boolean isDateAxis​(int axisNumber)
      Returns true if axis are dates.
      Specified by:
      isDateAxis in interface ContourDataset
      Parameters:
      axisNumber - The axis where 0-x, 1-y, and 2-z.
      Returns:
      A boolean.

    • setSeriesNames

      public void setSeriesNames​(String[] seriesNames)
      Sets the names of the series in the data source.
      Parameters:
      seriesNames - The names of the series in the data source.