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## org.jfree.chart.plot
Class FastScatterPlot

    java.lang.Object
      org.jfree.chart.plot.Plot
          org.jfree.chart.plot.FastScatterPlot

All Implemented Interfaces:
  AxisChangeListener, java.lang.Cloneable, DatasetChangeListener, java.util.EventListener, java.io.Serializable, ValueAxisPlot

public class FastScatterPlot
extends Plot
implements ValueAxisPlot, java.lang.Cloneable, java.io.Serializable

A fast scatter plot.

See Also:
  Serialized Form

Field Summary
`static java.awt.Paint` | `DEFAULT_GRIDLINE_PAINT` The default grid line paint.
`static java.awt.Stroke` | `DEFAULT_GRIDLINE_STROKE` The default grid line stroke.
`protected static java.util.ResourceBundle` | `localizationResources` The resourceBundle for the localization.

Fields inherited from class org.jfree.chart.plot.Plot
`DEFAULT_BACKGROUND_ALPHA, DEFAULT_BACKGROUND_PAINT, DEFAULT_FOREGROUND_ALPHA, DEFAULT_INSETS, DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, MINIMUM_HEIGHT_TO_DRAW, MINIMUM_WIDTH_TO_DRAW, ZERO`

Constructor Summary
`FastScatterPlot()` Creates an empty plot.
`FastScatterPlot(float[][] data, ValueAxis domainAxis, ValueAxis rangeAxis)` Creates a new fast scatter plot.

Method Summary
`java.lang.Object` | `clone()` Returns a clone of the plot.
`void` | `draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, PlotState parentState, PlotRenderingInfo info)` Draws the fast scatter plot on a Java 2D graphics device (such as the screen or a printer).
`protected void` | `drawDomainGridlines(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, java.util.List ticks)` Draws the gridlines for the plot, if they are visible.
`protected void` | `drawRangeGridlines(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, java.util.List ticks)` Draws the gridlines for the plot, if they are visible.
`boolean` | `equals(java.lang.Object object)` Tests an object for equality with this instance.
`Range` | `getDataRange(ValueAxis axis)` Returns the range of data values to be plotted along the axis.
`ValueAxis` | `getDomainAxis()` Returns the domain axis for the plot.
`java.awt.Paint` | `getDomainGridlinePaint()` Returns the paint for the grid lines (if any) plotted against the domain axis.
`java.awt.Stroke` | `getDomainGridlineStroke()` Returns the stroke for the grid-lines (if any) plotted against the domain axis.
`java.awt.Paint` | `getPaint()` Returns the paint used to plot data points.
`java.lang.String` | `getPlotType()` Returns a short string describing the plot type.
`ValueAxis` | `getRangeAxis()` Returns the range axis for the plot.
`java.awt.Paint` | `getRangeGridlinePaint()` Returns the paint for the grid lines (if any) plotted against the range axis.
`java.awt.Stroke` | `getRangeGridlineStroke()` Returns the stroke for the grid lines (if any) plotted against the range axis.
`boolean` | `isDomainGridlinesVisible()` Returns `true` if the domain gridlines are visible, and `false`otherwise.``
`boolean` | `isRangeGridlinesVisible()` Returns `true` if the range axis grid is visible, and `false`otherwise.``
`void` | `render(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, PlotRenderingInfo info, CrosshairState crosshairState)` Draws a representation of the data within the dataArea region.
`void` | `setDomainGridlinePaint(java.awt.Paint paint)` Sets the paint for the grid lines plotted against the domain axis.
`void` | `setDomainGridlineStroke(java.awt.Stroke stroke)` Sets the stroke for the grid lines plotted against the domain axis.
`void` | `setDomainGridlinesVisible(boolean visible)` Sets the flag that controls whether or not the domain grid-lines are visible.
`void` | `setPaint(java.awt.Paint paint)` Sets the color for the data points and sends a `PlotChangeEvent` to all registered listeners.
`void` | `setRangeGridlinePaint(java.awt.Paint paint)` Sets the paint for the grid lines plotted against the range axis.
`void` | `setRangeGridlineStroke(java.awt.Stroke stroke)` Sets the stroke for the grid lines plotted against the range axis.
`void` | `setRangeGridlinesVisible(boolean visible)` Sets the flag that controls whether or not the range axis grid lines are visible.
`void` | `zoomHorizontalAxes(double factor)` Multiplies the range on the horizontal axis/axes by the specified factor (not yet implemented).
`void` | `zoomHorizontalAxes(double lowerPercent, double upperPercent)` Zooms in on the horizontal axes (not yet implemented).
`void` | `zoomVerticalAxes(double factor)` Multiplies the range on the vertical axis/axes by the specified factor (not yet implemented).
`void` | `zoomVerticalAxes(double lowerPercent, double upperPercent)` Zooms in on the vertical axes (not yet implemented).

Methods inherited from class org.jfree.chart.plot.Plot
`addChangeListener, axisChanged, datasetChanged, draw, drawBackground, drawBackgroundImage, drawNoDataMessage, drawOutline, fillBackground, getBackgroundAlpha, getBackgroundImage, getBackgroundImageAlignment, getBackgroundPaint, getDataAreaRatio, getDatasetGroup, getDrawingSupplier, getForegroundAlpha, getInsets, getLegendItems, getNoDataMessage, getNoDataMessageFont, getNoDataMessagePaint, getOutlinePaint, getOutlineStroke, getParent, getRectX, getRectY, getRootPlot, handleClick, isSubplot, notifyListeners, removeChangeListener, resolveDomainAxisLocation, resolveRangeAxisLocation, setBackgroundAlpha, setBackgroundImage, setBackgroundImageAlignment, setBackgroundPaint, setDataAreaRatio, setDatasetGroup, setDrawingSupplier, setForegroundAlpha, setInsets, setInsets, setNoDataMessage, setNoDataMessageFont, setNoDataMessagePaint, setOutlinePaint, setOutlineStroke, setParent, zoom`

Methods inherited from class java.lang.Object
`finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### DEFAULT_GRIDLINE_STROKE

    public static final java.awt.Stroke DEFAULT_GRIDLINE_STROKE

  The default grid line stroke.

### DEFAULT_GRIDLINE_PAINT

    public static final java.awt.Paint DEFAULT_GRIDLINE_PAINT

  The default grid line paint.

### localizationResources

    protected static java.util.ResourceBundle localizationResources

  The resourceBundle for the localization.

Constructor Detail

### FastScatterPlot

    public FastScatterPlot()

  Creates an empty plot.

### FastScatterPlot

    public FastScatterPlot(float[][] data,
                           ValueAxis domainAxis,
                           ValueAxis rangeAxis)

  Creates a new fast scatter plot.

  The data is an array of x, y values: data[0][i] = x, data[1][i] = y.

Parameters:
  `data` - the data.
  `domainAxis` - the domain (x) axis.
  `rangeAxis` - the range (y) axis.

Method Detail

### getPlotType

    public java.lang.String getPlotType()

  Returns a short string describing the plot type.

  Specified by:
    `getPlotType` in class `Plot`
  Returns:
    a short string describing the plot type.

### getDomainAxis

    public ValueAxis getDomainAxis()

  Returns the domain axis for the plot. If the domain axis for this plot is null, then the method will return the parent plot's domain axis (if there is a parent plot).

  Returns:
    the domain axis.

### getRangeAxis

    public ValueAxis getRangeAxis()

  Returns the range axis for the plot. If the range axis for this plot is null, then the method will return the parent plot's range axis (if there is a parent plot).

  Returns:
    the range axis.

### getPaint

    public java.awt.Paint getPaint()

  Returns the paint used to plot data points.

  Returns:
    The paint.

### setPaint

    public void setPaint(java.awt.Paint paint)

  Sets the color for the data points and sends a `PlotChangeEvent` to all registered listeners.

  Parameters:
    `paint` - the paint.

### isDomainGridlinesVisible

    public boolean isDomainGridlinesVisible()

  Returns `true` if the domain gridlines are visible, and `false`otherwise.

  ``
  Returns:
    `true` or `false`.

### setDomainGridlinesVisible

    public void setDomainGridlinesVisible(boolean visible)

  Sets the flag that controls whether or not the domain grid-lines are visible.

  If the flag value is changed, a `PlotChangeEvent` is sent to all registered listeners.

  Parameters:
    `visible` - the new value of the flag.

### getDomainGridlineStroke

    public java.awt.Stroke getDomainGridlineStroke()

  Returns the stroke for the grid-lines (if any) plotted against the domain axis.

  Returns:
    the stroke.

### setDomainGridlineStroke

    public void setDomainGridlineStroke(java.awt.Stroke stroke)

  Sets the stroke for the grid lines plotted against the domain axis.

  If you set this to `null`, no grid lines will be drawn.

  Parameters:
    `stroke` - the stroke (`null` permitted).

### getDomainGridlinePaint

    public java.awt.Paint getDomainGridlinePaint()

  Returns the paint for the grid lines (if any) plotted against the domain axis.

  Returns:
    the paint.

### setDomainGridlinePaint

    public void setDomainGridlinePaint(java.awt.Paint paint)

  Sets the paint for the grid lines plotted against the domain axis.

  If you set this to `null`, no grid lines will be drawn.

  Parameters:
    `paint` - the paint (`null` permitted).

### isRangeGridlinesVisible

    public boolean isRangeGridlinesVisible()

  Returns `true` if the range axis grid is visible, and `false`otherwise.

  ``
  Returns:
    `true` or `false`.

### setRangeGridlinesVisible

    public void setRangeGridlinesVisible(boolean visible)

  Sets the flag that controls whether or not the range axis grid lines are visible.

  If the flag value is changed, a `PlotChangeEvent` is sent to all registered listeners.

  Parameters:
    `visible` - the new value of the flag.

### getRangeGridlineStroke

    public java.awt.Stroke getRangeGridlineStroke()

  Returns the stroke for the grid lines (if any) plotted against the range axis.

  Returns:
    the stroke.

### setRangeGridlineStroke

    public void setRangeGridlineStroke(java.awt.Stroke stroke)

  Sets the stroke for the grid lines plotted against the range axis.

  If you set this to `null`, no grid lines will be drawn.

  Parameters:
    `stroke` - the stroke (`null` permitted).

### getRangeGridlinePaint

    public java.awt.Paint getRangeGridlinePaint()

  Returns the paint for the grid lines (if any) plotted against the range axis.

  Returns:
    the paint.

### setRangeGridlinePaint

    public void setRangeGridlinePaint(java.awt.Paint paint)

  Sets the paint for the grid lines plotted against the range axis.

  If you set this to `null`, no grid lines will be drawn.

  Parameters:
    `paint` - the paint (`null` permitted).

### draw

    public void draw(java.awt.Graphics2D g2,
                     java.awt.geom.Rectangle2D plotArea,
                     PlotState parentState,
                     PlotRenderingInfo info)

  Draws the fast scatter plot on a Java 2D graphics device (such as the screen or a printer).

  Specified by:
    `draw` in class `Plot`
  Parameters:
    `g2` - the graphics device.
    `plotArea` - the area within which the plot (including axis labels) should be drawn.
    `parentState` - the state from the parent plot, if there is one.
    `info` - collects chart drawing information (`null` permitted).

### render

    public void render(java.awt.Graphics2D g2,
                       java.awt.geom.Rectangle2D dataArea,
                       PlotRenderingInfo info,
                       CrosshairState crosshairState)

  Draws a representation of the data within the dataArea region.

  The `info` and `crosshairState` arguments may be `null`.

  Parameters:
    `g2` - the graphics device.
    `dataArea` - the region in which the data is to be drawn.
    `info` - an optional object for collection dimension information.
    `crosshairState` - collects crosshair information (`null` permitted).

### drawDomainGridlines

    protected void drawDomainGridlines(java.awt.Graphics2D g2,
                                       java.awt.geom.Rectangle2D dataArea,
                                       java.util.List ticks)

  Draws the gridlines for the plot, if they are visible.

  Parameters:
    `g2` - the graphics device.
    `dataArea` - the data area.
    `ticks` - the ticks.

### drawRangeGridlines

    protected void drawRangeGridlines(java.awt.Graphics2D g2,
                                      java.awt.geom.Rectangle2D dataArea,
                                      java.util.List ticks)

  Draws the gridlines for the plot, if they are visible.

  Parameters:
    `g2` - the graphics device.
    `dataArea` - the data area.
    `ticks` - the ticks.

### getDataRange

    public Range getDataRange(ValueAxis axis)

  Returns the range of data values to be plotted along the axis.

  Specified by:
    `getDataRange` in interface `ValueAxisPlot`
  Parameters:
    `axis` - the axis.
  Returns:
    the range.

### zoomHorizontalAxes

    public void zoomHorizontalAxes(double factor)

  Multiplies the range on the horizontal axis/axes by the specified factor (not yet implemented).

  Specified by:
    `zoomHorizontalAxes` in interface `ValueAxisPlot`
  Parameters:
    `factor` - the zoom factor.

### zoomHorizontalAxes

    public void zoomHorizontalAxes(double lowerPercent,
                                   double upperPercent)

  Zooms in on the horizontal axes (not yet implemented).

  Specified by:
    `zoomHorizontalAxes` in interface `ValueAxisPlot`
  Parameters:
    `lowerPercent` - the new lower bound as a percentage of the current range.
    `upperPercent` - the new upper bound as a percentage of the current range.

### zoomVerticalAxes

    public void zoomVerticalAxes(double factor)

  Multiplies the range on the vertical axis/axes by the specified factor (not yet implemented).

  Specified by:
    `zoomVerticalAxes` in interface `ValueAxisPlot`
  Parameters:
    `factor` - the zoom factor.

### zoomVerticalAxes

    public void zoomVerticalAxes(double lowerPercent,
                                 double upperPercent)

  Zooms in on the vertical axes (not yet implemented).

  Specified by:
    `zoomVerticalAxes` in interface `ValueAxisPlot`
  Parameters:
    `lowerPercent` - the new lower bound as a percentage of the current range.
    `upperPercent` - the new upper bound as a percentage of the current range.

### equals

    public boolean equals(java.lang.Object object)

  Tests an object for equality with this instance.

  Overrides:
    `equals` in class `Plot`
  Parameters:
    `object` - the object to test.
  Returns:
    A boolean.

### clone

    public java.lang.Object clone()
                           throws java.lang.CloneNotSupportedException

  Returns a clone of the plot.

  Overrides:
    `clone` in class `Plot`
  Returns:
    A clone.
  Throws:
    `java.lang.CloneNotSupportedException` - if some component of the plot does not support cloning.

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