Utility class for displaying data points. More...

#include <ilviews/charts/display.h>

Inheritance diagram for IlvChartPointsFilter:

Public Member Functions
	IlvChartPointsFilter (const IlvChartGraphic chart, const IlvSingleChartDisplayer displayer, IlvDim clusterSize=2)
	Constructor. More...

IlvDim	getClusterSize () const
	Returns the minimum distance between two consecutive displayed points. More...

virtual IlBoolean	init (IlUInt count, const IlvDoublePoint dataPoints, const IlUInt dataPtIdxes, const IlvCoordInterval &abscissaRange, IlBoolean shiftOfCycleLength, const IlvTransformer *t)
	Initializes the current object with a set of data points to project. More...

void	setClusterSize (IlvDim size)
	Sets the minimum distance between two consecutive displayed points. More...

Public Member Functions inherited from IlvChartDisplayerPoints
	IlvChartDisplayerPoints (const IlvChartDisplayerPoints &displayerPoints)
	Constructor. More...

	IlvChartDisplayerPoints (const IlvChartGraphic chart, const IlvSingleChartDisplayer displayer, IlBoolean outOfRange=IlTrue)
	Constructor. More...

virtual	~IlvChartDisplayerPoints ()
	Destructor. More...

void	addPoint (const IlvPoint &point, IlUInt dataPtIdx=IlvBadIndex)
	Adds a projected point and its corresponding data point index. More...

IlDouble	averageSpaceBetweenDataPoints () const
	Returns the average space between points. More...

void	boundingBoxOfPoints (IlvRect &bbox) const
	Returns the bounding box of the projected points stored in this object. More...

virtual IlvChartDisplayerPoints *	copy () const
	Virtual copy constructor. More...

const IlvChartGraphic *	getChartGraphic () const
	Returns the associated chart. More...

void	getDataPoint (IlUInt index, IlvDoublePoint &point) const
	Returns a data point. More...

IlUInt	getDataPointIndex (IlUInt index) const
	Returns the corresponding data point index of a projected point. More...

const IlvSingleChartDisplayer *	getDisplayer () const
	Returns the associated displayer. More...

const IlUInt *	getInternalPointIndexes (IlUInt &count) const
	Returns the data point indexes stored in this object. More...

const IlvPoint *	getInternalPoints (IlUInt &count) const
	Returns the projected points stored in this object. More...

void	getPoint (IlUInt index, IlvPoint &point) const
	Returns a data point. More...

void	getPoint (IlUInt index, IlvPoint &point, IlUInt &dataPtIdx) const
	Returns a projected point and its corresponding data point index. More...

virtual IlvPalette *	getPointPalette (IlUInt index, IlBoolean usePointInfo=IlTrue, IlvPalette *defaultPalette=0) const
	Returns the palette that must be used to draw a projected point. More...

IlvPoint *	getPoints (IlUInt &count) const
	Returns a copy of the projected points. More...

IlUInt	getPointsCount () const
	Returns the number of projected points stored in this object. More...

void	handleOutOfRangePoints (IlBoolean b)
	Specifies whether specific computations are done for out-of-range points. More...

void	insertPoint (const IlvPoint &point, IlUInt dataPtIdx=IlvBadIndex, IlUInt position=0)
	Inserts a projected point and its corresponding data point index. More...

virtual void	insertPoints (IlUInt count, const IlvPoint points, const IlUInt dataPtIdxes=0, IlUInt position=0)
	Inserts an array of projected points and their corresponding data point indexes. More...

IlBoolean	isCyclic () const
	Indicates whether specific computations are done for out-of-range points.

IlBoolean	isHandlingOutOfRangePoints () const
	Indicates whether specific computations are done for out-of-range points. More...

IlBoolean	isProjectedOnLimits (IlUInt index) const
	Indicates whether a projected point has been projected on the boundary of the data display area. More...

virtual IlBoolean	removePoint (IlUInt index)
	Removes a projected point. More...

virtual void	removePoints ()
	Removes all the projected points stored in this object. More...

void	setChartGraphic (const IlvChartGraphic *chart)
	Sets the associated chart. More...

void	setDisplayer (const IlvSingleChartDisplayer *displayer)
	Sets the associated displayer. More...

virtual void	setPoint (IlUInt index, const IlvPoint &point, IlUInt dataPtIdx=IlvBadIndex)
	Modifies a projected point and its corresponding data point index. More...

void	setProjectedOnLimits (IlUInt index, IlBoolean flag)
	Specifies whether a projected point has been projected on the boundary of the data display area. More...

Additional Inherited Members
Protected Member Functions inherited from IlvChartDisplayerPoints
virtual void	projectOutOfBoundOnLimits (const IlvTransformer *t=0)
	Projects the projected points on the boundary when these points are out-of-bounds. More...

Detailed Description

Utility class for displaying data points.

Library: ilvcharts

This class is a subclass of IlvChartDisplayerPoints that allows you to filter the points to display.

See also: IlvChartDisplayerPoints.

Constructor & Destructor Documentation

◆ IlvChartPointsFilter()

IlvChartPointsFilter::IlvChartPointsFilter	(	const IlvChartGraphic *	chart,
		const IlvSingleChartDisplayer *	displayer,
		IlvDim	clusterSize = `2`
	)

Constructor.

Initializes a new IlvChartPointsFilter instance.

Parameters

chart	The associated chart.
displayer	The associated displayer.
clusterSize	The minimum distance between two consecutive displayed points.

Member Function Documentation

◆ getClusterSize()

IlvDim IlvChartPointsFilter::getClusterSize ( ) const

Returns the minimum distance between two consecutive displayed points.

Returns: The minimum distance between two consecutive displayed points.

◆ init()

virtual IlBoolean IlvChartPointsFilter::init	(	IlUInt	count,
		const IlvDoublePoint *	dataPoints,
		const IlUInt *	dataPtIdxes,
		const IlvCoordInterval &	abscissaRange,
		IlBoolean	shiftOfCycleLength,
		const IlvTransformer *	t
	)

virtual

Initializes the current object with a set of data points to project.

This method performs the projection of the data points dataPoints and stores in the current object the resulting points and their corresponding data point indexes given by dataPtIdxes.

Parameters

count	The number of data points.
dataPoints	The data points to project.
dataPtIdxes	The indexes of the data points in the data set.
abscissaRange	The range of the abscissa coordinate that is currently used by the chart.
shiftOfCycleLength	A Boolean value indicating whether the data points are shifted by the cycle length.
t	The transformer applied to the chart graphic.

Reimplemented from IlvChartDisplayerPoints.

◆ setClusterSize()

void IlvChartPointsFilter::setClusterSize ( IlvDim size )

Sets the minimum distance between two consecutive displayed points.

Parameters

size	The new minimum distance between two consecutive displayed points.

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ IlvChartPointsFilter()

Member Function Documentation

◆ getClusterSize()

◆ init()

◆ setClusterSize()