Isis::HistogramItem Class Reference

This is the (qwt) plot item for a histogram. More...

#include <HistogramItem.h>

Inherits QObject, and QwtPlotItem.

Public Types
enum	HistogramAttribute { Auto = 0, Xfy = 1 }

Public Member Functions
	HistogramItem (const QString &title=QString::null)
	Constructor 2.
	HistogramItem (const QwtText &title)
	Constructor 1.
virtual	~HistogramItem ()
	Destructor.
void	setData (const QwtIntervalSeriesData &data)
	Overridden method to set the data in the histogram.
const QwtIntervalSeriesData &	data () const
	Returns this item's data.
QList< QPointF >	getVertices () const
	This method returns a list of points which are the vertices of the selected area (by the rubberband) on the cvp.
void	setVertices (const QList< QPoint > &points)
	This method sets the vertices of the selected area on the cvp.
CubeViewport *	getViewPort () const
	This method returns the cube view port associated with the curve.
void	setViewPort (CubeViewport *cvp)
	This method sets the view port.
void	setColor (const QColor &)
	Set the color of the hist.
QColor	color () const
	Return the color of the item.
virtual QRectF	boundingRect () const
	Returns the bounding rectangle of the item.
virtual int	rtti () const
virtual void	draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &) const
void	setBaseline (double reference)
double	baseline () const
	Returns the baseline.
void	setHistogramAttribute (HistogramAttribute, bool on=true)
bool	testHistogramAttribute (HistogramAttribute) const

Protected Member Functions
virtual void	drawBar (QPainter *, Qt::Orientation o, const QRect &) const
	This method draws the bars of the bar graph.

Detailed Description

This is the (qwt) plot item for a histogram.

This draws bars for each of the histogram bins.

Author

????-??-?? Unknown

Member Enumeration Documentation

enum Isis::HistogramItem::HistogramAttribute

Enumerator
Auto
Xfy

Constructor & Destructor Documentation

Isis::HistogramItem::HistogramItem ( const QString &  title = QString::null )

explicit

Constructor 2.

Parameters

title

Isis::HistogramItem::HistogramItem ( const QwtText &  title )

explicit

Constructor 1.

Parameters

title

Isis::HistogramItem::~HistogramItem ( )

virtual

Destructor.

Member Function Documentation

double Isis::HistogramItem::baseline

(

)

const

Returns the baseline.

Returns

double

Referenced by draw().

QRectF Isis::HistogramItem::boundingRect ( ) const

virtual

Returns the bounding rectangle of the item.

Returns

QwtDoubleRect

References Xfy.

QColor Isis::HistogramItem::color

(

)

const

Return the color of the item.

Returns

QColor

Referenced by drawBar(), and setColor().

const QwtIntervalSeriesData & Isis::HistogramItem::data

(

)

const

Returns this item's data.

Returns

Referenced by draw().

void Isis::HistogramItem::draw ( QPainter *  painter, const QwtScaleMap &  xMap, const QwtScaleMap &  yMap, const QRectF &    ) const

virtual

Parameters

painter
xMap
yMap

References baseline(), data(), drawBar(), and Xfy.

void Isis::HistogramItem::drawBar ( QPainter *  painter, Qt::Orientation  o, const QRect &  rect  ) const

protectedvirtual

This method draws the bars of the bar graph.

Parameters

painter
rect

References color().

Referenced by draw().

QList< QPointF > Isis::HistogramItem::getVertices

(

)

const

This method returns a list of points which are the vertices of the selected area (by the rubberband) on the cvp.

Returns

QList<QPoint>

CubeViewport * Isis::HistogramItem::getViewPort

(

)

const

This method returns the cube view port associated with the curve.

Returns

CubeViewport*

Referenced by setVertices().

int Isis::HistogramItem::rtti ( ) const

virtual

Returns

int

void Isis::HistogramItem::setBaseline

(

double

reference

)

Parameters

reference

void Isis::HistogramItem::setColor

(

const QColor &

color

)

Set the color of the hist.

item.

Parameters

color

References color().

Referenced by Isis::HistogramWidget::HistogramWidget().

void Isis::HistogramItem::setData

(

const QwtIntervalSeriesData &

data

)

Overridden method to set the data in the histogram.

Parameters

data

Referenced by Isis::HistogramWidget::setHistogram().

void Isis::HistogramItem::setHistogramAttribute	(	HistogramAttribute	attribute,
		bool	on = true
	)

Parameters

attribute
on

void Isis::HistogramItem::setVertices

(

const QList< QPoint > &

points

)

This method sets the vertices of the selected area on the cvp.

Parameters

points

References getViewPort(), and Isis::CubeViewport::viewportToCube().

void Isis::HistogramItem::setViewPort

(

CubeViewport *

cvp

)

This method sets the view port.

Parameters

cvp

bool Isis::HistogramItem::testHistogramAttribute

(

HistogramAttribute

attribute

)

const

Parameters

attribute

Returns

bool

---

The documentation for this class was generated from the following files:

• src/qisis/objs/HistogramTool/HistogramItem.h
• src/qisis/objs/HistogramTool/HistogramItem.cpp