net.sf.jasperreports.charts

Interface JRBubblePlot

All Superinterfaces:

Cloneable, JRChartPlot, JRCloneable, JRXAxisFormat, JRYAxisFormat

All Known Implementing Classes:

JRBaseBubblePlot, JRDesignBubblePlot, JRFillBubblePlot

public interface JRBubblePlot
extends JRChartPlot, JRXAxisFormat, JRYAxisFormat

Only Bubble charts use this type of plot. Like all other two-axis plots, it lets users control the labels displayed for each axis.
The plot draws an ellipse for each item present in the dataset for a given series. Usually this is a circle whose radius is specified by the Z value in that chart item. However, the plot needs to know whether the Z value is proportional to its corresponding X value or to its corresponding Y value in order to calculate the actual size of the bubble.
The type of bubble scaling is specified by the scaleType attribute that the plot exposes:

• Range axis scaling: The bubble is a circle with the radius proportional to the Y value for each item (scaleType="RangeAxis").
• Domain axis scaling: The bubble is a circle with the radius proportional to the X value for each item (scaleType="DomainAxis").
• Scaling on both axes: The bubble is an ellipse with the height proportional to the Y value and the width proportional to the X value for each item (scaleType="BothAxes").

By default, bubbles scale on the range axis.

Author:

Flavius Sana (flavius_sana@users.sourceforge.net)

Nested Class Summary

Nested classes/interfaces inherited from interface net.sf.jasperreports.engine.JRChartPlot

JRChartPlot.JRSeriesColor

Method Summary

Methods

Modifier and Type	Method and Description
JRExpression	getDomainAxisMaxValueExpression()
JRExpression	getDomainAxisMinValueExpression()
JRExpression	getRangeAxisMaxValueExpression()
JRExpression	getRangeAxisMinValueExpression()
ScaleTypeEnum	getScaleTypeValue()
JRExpression	getXAxisLabelExpression()
JRExpression	getYAxisLabelExpression()
void	setScaleType(ScaleTypeEnum scaleType) Sets the scale type.

Methods inherited from interface net.sf.jasperreports.engine.JRChartPlot

addSeriesColor, clearSeriesColors, clone, collectExpressions, getBackcolor, getBackgroundAlphaFloat, getChart, getForegroundAlphaFloat, getLabelRotationDouble, getOrientation, getOrientationValue, getOwnBackcolor, getSeriesColors, setBackcolor, setBackgroundAlpha, setForegroundAlpha, setLabelRotation, setOrientation, setOrientation, setSeriesColors

Methods inherited from interface net.sf.jasperreports.engine.JRCloneable

clone

Methods inherited from interface net.sf.jasperreports.charts.JRXAxisFormat

getOwnXAxisLabelColor, getOwnXAxisLineColor, getOwnXAxisTickLabelColor, getXAxisLabelColor, getXAxisLabelFont, getXAxisLineColor, getXAxisTickLabelColor, getXAxisTickLabelFont, getXAxisTickLabelMask, getXAxisVerticalTickLabels

Methods inherited from interface net.sf.jasperreports.charts.JRYAxisFormat

getOwnYAxisLabelColor, getOwnYAxisLineColor, getOwnYAxisTickLabelColor, getYAxisLabelColor, getYAxisLabelFont, getYAxisLineColor, getYAxisTickLabelColor, getYAxisTickLabelFont, getYAxisTickLabelMask, getYAxisVerticalTickLabels

Method Detail

getXAxisLabelExpression

JRExpression getXAxisLabelExpression()

Returns:

the x axis label expression

getYAxisLabelExpression

JRExpression getYAxisLabelExpression()

Returns:

the y axis label expression

getScaleTypeValue

ScaleTypeEnum getScaleTypeValue()

Returns:

the scale type. Possible values are:

• ON_BOTH_AXES
• ON_DOMAIN_AXIS
• ON_RANGE_AXIS

See Also:

ScaleTypeEnum

setScaleType

void setScaleType(ScaleTypeEnum scaleType)

Sets the scale type.

Parameters:

scaleType - the scale type

getDomainAxisMinValueExpression

JRExpression getDomainAxisMinValueExpression()

Returns:

the minimum value expression for the domain axis

getDomainAxisMaxValueExpression

JRExpression getDomainAxisMaxValueExpression()

Returns:

the maximum value expression for the domain axis

getRangeAxisMinValueExpression

JRExpression getRangeAxisMinValueExpression()

Returns:

the minimum value expression for the range axis

getRangeAxisMaxValueExpression

JRExpression getRangeAxisMaxValueExpression()

Returns:

the maximum value expression for the range axis