ilog.views.chart.renderer

Class IlvStairChartRenderer

java.lang.Object

ilog.views.chart.IlvChartRenderer

ilog.views.chart.renderer.IlvCompositeChartRenderer

ilog.views.chart.renderer.IlvSimpleCompositeChartRenderer

ilog.views.chart.renderer.IlvPolylineChartRenderer

ilog.views.chart.renderer.IlvStairChartRenderer

All Implemented Interfaces:

IlvChartAreaAccessible, IlvChart3DSupport, IlvSuperimposedRenderer, Serializable

public class IlvStairChartRenderer
extends IlvPolylineChartRenderer

A renderer displaying stairs. This renderer creates an instance of IlvSingleStairRenderer for every data set in the connected data source.

For a stair chart, the displayed value at a point x₀ within the data range is computed by looking up the data set point with the largest x <= x₀ and taking its value.

Note: This renderer only works with data sets whose x-series are sorted in ascending order (see IlvDataSet.isXValuesSorted()). To sort a data set into ascending x order, you can use the class IlvXSortedDataSet.

Note: This renderer does not work in 3-D mode in the STACKED or SUMMED modes. This is a limitation.

The following figure shows an example of an IlvStairChartRenderer.

Since:

JViews 5.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	SUMMED Mode type for summed stairs.

Fields inherited from class ilog.views.chart.renderer.IlvPolylineChartRenderer

STACKED, SUPERIMPOSED

Fields inherited from class ilog.views.chart.IlvChartRenderer

AREA, BAR, BUBBLE, CANDLE, CENTERED_LABEL_LAYOUT, COMBO, DATA_LABEL, DEFAULT_LABEL_LAYOUT, DEFAULT_LABELING, HILO, HILO_ARROW, HILO_STICK, HLOC, OUTSIDE_LABEL_LAYOUT, PERCENT_LABEL, PIE, POLYLINE, SCATTER, STACKED_AREA, STACKED_BAR, STACKED_DIVERGING_BAR, STACKED_POLYLINE, STACKED_STAIR, STACKED100_AREA, STACKED100_BAR, STACKED100_POLYLINE, STACKED100_STAIR, STAIR, SUMMED_STAIR, SUPERIMPOSED_BAR, TREEMAP, X_VALUE_LABEL, XY_VALUES_LABEL, Y_VALUE_LABEL

Constructor Summary

Constructors

Constructor and Description
IlvStairChartRenderer() Creates a new stair chart renderer.
IlvStairChartRenderer(int mode) Creates a new stair chart renderer with the specified mode.

Method Summary

Modifier and Type	Method and Description
protected IlvChartRenderer	createChild(IlvDataSet dataSet) Creates an instance of IlvSingleStairRenderer to display the specified data set.

Methods inherited from class ilog.views.chart.renderer.IlvPolylineChartRenderer

dataSetsAdded, dataSetsChangesBatchEnding, dataSetsChangesBatchStarting, dataSetsRemoved, getMarker, getMarkerSize, getMode, getPolyline, getPolyline, has3DSupport, isAutoTransparency, isStacked100Percent, isStackedByIndex, isSuperimposed, setAutoTransparency, setMarker, setMarker, setMarkerSize, setMode, setStacked100Percent, setStackedByIndex

Methods inherited from class ilog.views.chart.renderer.IlvCompositeChartRenderer

addImageMapAreas, collectDisplayItems, createLegendItems, draw, draw, drawAnnotations, drawIntoHitmap, drawLegendSymbol, drawSelectionHandles, getAnnotation, getBounds, getBounds, getChild, getChild, getChild, getChildCount, getChildIterator, getChildren, getDisplayItem, getDisplayPoint, getLegendText, getNearestItem, getNearestPoint, getRenderingHint, getRenderingHint, getStyle, getStyles, getXRange, getYRange, getYRange, holdsAnnotations, isViewable, setAnnotation, setAnnotation, setDataPoint, setDisplayPoint, setRenderingHint, setRenderingHint, setStyles, updateChildren

Methods inherited from class ilog.views.chart.IlvChartRenderer

applyStyles, applyStyles, applyStyles, chartConnected, computeDataLabel, computeDataLabelLocation, create, createRenderer, dispose, drawSelectionHandles, drawSelectionHandles, drawSelectionHandles, endRendererChanges, findAppropriateColor, fireTreemapFocusEvent, getAnnotation, getBounds, getChart, getClipRect, getCoordinateSystem, getDataLabeling, getDataLabelLayout, getDataLabelling, getDataSetIndex, getDataSetMainIndex, getDataSetMainRenderer, getDataSource, getDefaultColors, getDefaultLegendTitle, getDepths, getDisplayItem, getDisplayItems, getLegendStyle, getMinDataSetCount, getName, getNearestItem, getNearestPoint, getParent, getPlotRect, getPreferredMargins, getRenderingHint, getStyle, getVirtualDataSet, getXShift, getYAxisIdx, isDisplayingDataSet, isVisible, isVisibleInLegend, register, set3D, setAnnotation, setDataLabeling, setDataLabelLayout, setDataLabelling, setDataSource, setName, setParent, setRenderingHint, setStyle, setVisible, setVisibleInLegend, setXShift, setYAxisIdx, startRendererChanges, toData, toDisplay, toDisplay, triggerChange

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SUMMED

public static final int SUMMED

Mode type for summed stairs. This mode is equivalent to the IlvPolylineChartRenderer.STACKED mode, except that it supports data sets with non-identical x-series with a different semantics.

The displayed value at a point x₀ within the data range is computed as follows: For every data set, the data set point with the largest x <= x₀ is considered and its y value is looked up. The displayed value y₀ is the sum of all these y.

See Also:

IlvPolylineChartRenderer.setMode(int), Constant Field Values

Constructor Detail

IlvStairChartRenderer

public IlvStairChartRenderer()

Creates a new stair chart renderer.

IlvStairChartRenderer

public IlvStairChartRenderer(int mode)

Creates a new stair chart renderer with the specified mode.

See Also:

IlvPolylineChartRenderer.setMode(int)

Method Detail

createChild

protected IlvChartRenderer createChild(IlvDataSet dataSet)

Creates an instance of IlvSingleStairRenderer to display the specified data set.

Overrides:

createChild in class IlvPolylineChartRenderer

Returns:

A freshly created renderer that is connected to an empty data source. It will be connected to dataSet by the caller.