org.jfree.chart.renderer.xy
Class XYSplineRenderer

java.lang.Object
  org.jfree.chart.renderer.AbstractRenderer
      org.jfree.chart.renderer.xy.AbstractXYItemRenderer
          org.jfree.chart.renderer.xy.XYLineAndShapeRenderer
              org.jfree.chart.renderer.xy.XYSplineRenderer

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, LegendItemSource, XYItemRenderer, org.jfree.util.PublicCloneable

public class XYSplineRenderer
extends XYLineAndShapeRenderer

A renderer that connects data points with natural cubic splines and/or draws shapes at each data point. This renderer is designed for use with the XYPlot class. The example shown here is generated by the XYSplineRendererDemo1.java program included in the JFreeChart demo collection:

Since:

1.0.7

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.jfree.chart.renderer.xy.XYLineAndShapeRenderer

XYLineAndShapeRenderer.State

Field Summary

Fields inherited from class org.jfree.chart.renderer.AbstractRenderer

DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO

Constructor Summary

XYSplineRenderer()
Creates a new instance with the 'precision' attribute defaulting to 5.

XYSplineRenderer(int precision)
Creates a new renderer with the specified precision.

Method Summary

protected void	drawPrimaryLineAsPath(XYItemRendererState state, java.awt.Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, java.awt.geom.Rectangle2D dataArea) Draws the item (first pass).
boolean	equals(java.lang.Object obj) Tests this renderer for equality with an arbitrary object.
int	getPrecision() Get the resolution of splines.
XYItemRendererState	initialise(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, XYPlot plot, XYDataset data, PlotRenderingInfo info) Initialises the renderer.
void	setPrecision(int p) Set the resolution of splines and sends a RendererChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.renderer.xy.XYLineAndShapeRenderer

clone, drawFirstPassShape, drawItem, drawPrimaryLine, drawSecondaryPass, getBaseLinesVisible, getBaseShapesFilled, getBaseShapesVisible, getDrawOutlines, getDrawSeriesLineAsPath, getItemLineVisible, getItemShapeFilled, getItemShapeVisible, getLegendItem, getLegendLine, getLinesVisible, getPassCount, getSeriesLinesVisible, getSeriesShapesFilled, getSeriesShapesVisible, getShapesVisible, getUseFillPaint, getUseOutlinePaint, isItemPass, isLinePass, setBaseLinesVisible, setBaseShapesFilled, setBaseShapesVisible, setDrawOutlines, setDrawSeriesLineAsPath, setLegendLine, setLinesVisible, setLinesVisible, setSeriesLinesVisible, setSeriesLinesVisible, setSeriesShapesFilled, setSeriesShapesFilled, setSeriesShapesVisible, setSeriesShapesVisible, setShapesFilled, setShapesFilled, setShapesVisible, setShapesVisible, setUseFillPaint, setUseOutlinePaint

Methods inherited from class org.jfree.chart.renderer.xy.AbstractXYItemRenderer

addAnnotation, addAnnotation, addEntity, calculateDomainMarkerTextAnchorPoint, drawAnnotations, drawDomainGridLine, drawDomainLine, drawDomainMarker, drawItemLabel, drawRangeLine, drawRangeMarker, fillDomainGridBand, fillRangeGridBand, findDomainBounds, findDomainBounds, findRangeBounds, findRangeBounds, getAnnotations, getBaseItemLabelGenerator, getBaseToolTipGenerator, getDrawingSupplier, getItemLabelGenerator, getItemLabelGenerator, getLegendItemLabelGenerator, getLegendItems, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getPlot, getSeriesItemLabelGenerator, getSeriesToolTipGenerator, getToolTipGenerator, getToolTipGenerator, getURLGenerator, isPointInRect, removeAnnotation, removeAnnotations, setBaseItemLabelGenerator, setBaseToolTipGenerator, setItemLabelGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesToolTipGenerator, setToolTipGenerator, setURLGenerator, updateCrosshairValues, updateCrosshairValues

Methods inherited from class org.jfree.chart.renderer.AbstractRenderer

addChangeListener, calculateLabelAnchorPoint, clearSeriesPaints, clearSeriesStrokes, fireChangeEvent, getAutoPopulateSeriesFillPaint, getAutoPopulateSeriesOutlinePaint, getAutoPopulateSeriesOutlineStroke, getAutoPopulateSeriesPaint, getAutoPopulateSeriesShape, getAutoPopulateSeriesStroke, getBaseCreateEntities, getBaseFillPaint, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseLegendShape, getBaseLegendTextFont, getBaseLegendTextPaint, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getCreateEntities, getDataBoundsIncludesVisibleSeriesOnly, getDefaultEntityRadius, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendShape, getLegendTextFont, getLegendTextPaint, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, hashCode, hasListener, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, lookupLegendShape, lookupLegendTextFont, lookupLegendTextPaint, lookupSeriesFillPaint, lookupSeriesOutlinePaint, lookupSeriesOutlineStroke, lookupSeriesPaint, lookupSeriesShape, lookupSeriesStroke, notifyListeners, removeChangeListener, setAutoPopulateSeriesFillPaint, setAutoPopulateSeriesOutlinePaint, setAutoPopulateSeriesOutlineStroke, setAutoPopulateSeriesPaint, setAutoPopulateSeriesShape, setAutoPopulateSeriesStroke, setBaseCreateEntities, setBaseCreateEntities, setBaseFillPaint, setBaseFillPaint, setBaseItemLabelFont, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseLegendShape, setBaseLegendTextFont, setBaseLegendTextPaint, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlinePaint, setBaseOutlineStroke, setBaseOutlineStroke, setBasePaint, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseShape, setBaseStroke, setBaseStroke, setCreateEntities, setCreateEntities, setDataBoundsIncludesVisibleSeriesOnly, setDefaultEntityRadius, setFillPaint, setFillPaint, setItemLabelAnchorOffset, setItemLabelFont, setItemLabelFont, setItemLabelPaint, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setLegendShape, setLegendTextFont, setLegendTextPaint, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlinePaint, setOutlineStroke, setOutlineStroke, setPaint, setPaint, setPositiveItemLabelPosition, setPositiveItemLabelPosition, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setShape, setShape, setStroke, setStroke

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jfree.chart.renderer.xy.XYItemRenderer

addAnnotation, addAnnotation, addChangeListener, drawAnnotations, drawDomainGridLine, drawDomainMarker, drawRangeLine, drawRangeMarker, fillDomainGridBand, fillRangeGridBand, findDomainBounds, findRangeBounds, getBaseItemLabelFont, getBaseItemLabelGenerator, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getBaseToolTipGenerator, getItemLabelFont, getItemLabelFont, getItemLabelGenerator, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendItemLabelGenerator, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPlot, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesItemLabelFont, getSeriesItemLabelGenerator, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesToolTipGenerator, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, getToolTipGenerator, getURLGenerator, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, removeAnnotation, removeAnnotations, removeChangeListener, setBaseItemLabelFont, setBaseItemLabelGenerator, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlineStroke, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseStroke, setBaseToolTipGenerator, setItemLabelFont, setItemLabelGenerator, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setLegendItemLabelGenerator, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlineStroke, setPaint, setPlot, setPositiveItemLabelPosition, setPositiveItemLabelPosition, setSeriesItemLabelFont, setSeriesItemLabelGenerator, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesStroke, setSeriesToolTipGenerator, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setShape, setStroke, setToolTipGenerator, setURLGenerator

Methods inherited from interface org.jfree.chart.LegendItemSource

getLegendItems

Constructor Detail

XYSplineRenderer

public XYSplineRenderer()

Creates a new instance with the 'precision' attribute defaulting to 5.

XYSplineRenderer

public XYSplineRenderer(int precision)

Creates a new renderer with the specified precision.

Parameters:

precision - the number of points between data items.

Method Detail

getPrecision

public int getPrecision()

Get the resolution of splines.

Returns:

Number of line segments between points.

See Also:

setPrecision(int)

setPrecision

public void setPrecision(int p)

Set the resolution of splines and sends a RendererChangeEvent to all registered listeners.

Parameters:

p - number of line segments between points (must be > 0).

See Also:

getPrecision()

initialise

public XYItemRendererState initialise(java.awt.Graphics2D g2,
                                      java.awt.geom.Rectangle2D dataArea,
                                      XYPlot plot,
                                      XYDataset data,
                                      PlotRenderingInfo info)

Initialises the renderer.

This method will be called before the first item is rendered, giving the renderer an opportunity to initialise any state information it wants to maintain. The renderer can do nothing if it chooses.

Specified by:

initialise in interface XYItemRenderer

Overrides:

initialise in class XYLineAndShapeRenderer

Parameters:

g2 - the graphics device.

dataArea - the area inside the axes.

plot - the plot.

data - the data.

info - an optional info collection object to return data back to the caller.

Returns:

The renderer state.

drawPrimaryLineAsPath

protected void drawPrimaryLineAsPath(XYItemRendererState state,
                                     java.awt.Graphics2D g2,
                                     XYPlot plot,
                                     XYDataset dataset,
                                     int pass,
                                     int series,
                                     int item,
                                     ValueAxis domainAxis,
                                     ValueAxis rangeAxis,
                                     java.awt.geom.Rectangle2D dataArea)

Draws the item (first pass). This method draws the lines connecting the items. Instead of drawing separate lines, a GeneralPath is constructed and drawn at the end of the series painting.

Overrides:

drawPrimaryLineAsPath in class XYLineAndShapeRenderer

Parameters:

g2 - the graphics device.

state - the renderer state.

plot - the plot (can be used to obtain standard color information etc).

dataset - the dataset.

pass - the pass.

series - the series index (zero-based).

item - the item index (zero-based).

domainAxis - the domain axis.

rangeAxis - the range axis.

dataArea - the area within which the data is being drawn.

equals

public boolean equals(java.lang.Object obj)

Tests this renderer for equality with an arbitrary object.

Overrides:

equals in class XYLineAndShapeRenderer

Parameters:

obj - the object (null permitted).

Returns:

A boolean.