PlotWaterfall Class Reference

A plot item, which displays a waterfall spectrogram. More...

#include <plot_waterfall.h>

List of all members.

Public Member Functions
	PlotWaterfall (WaterfallData *data, const QString &title=QString::null)
virtual	~PlotWaterfall ()
const WaterfallData *	data () const
void	setColorMap (const QwtColorMap &)
const QwtColorMap &	colorMap () const
virtual QwtDoubleRect	boundingRect () const
virtual QSize	rasterHint (const QwtDoubleRect &) const
virtual int	rtti () const
virtual void	draw (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRect &rect) const
Protected Member Functions
QImage	renderImage (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QwtDoubleRect &rect) const

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Detailed Description

A plot item, which displays a waterfall spectrogram.

A waterfall displays threedimenional data, where the 3rd dimension (the intensity) is displayed using colors. The colors are calculated from the values using a color map.

See also:

QwtRasterData, QwtColorMap

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Constructor & Destructor Documentation

PlotWaterfall::PlotWaterfall	(	WaterfallData *	data,
		const QString &	title = QString::null
	)		[explicit]

virtual PlotWaterfall::~PlotWaterfall

(

)

[virtual]

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Member Function Documentation

virtual QwtDoubleRect PlotWaterfall::boundingRect

(

)

const [virtual]

const QwtColorMap& PlotWaterfall::colorMap

(

)

const

const WaterfallData* PlotWaterfall::data

(

)

const

virtual void PlotWaterfall::draw	(	QPainter *	p,
		const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		const QRect &	rect
	)		const [virtual]

virtual QSize PlotWaterfall::rasterHint

(

const QwtDoubleRect &

)

const [virtual]

QImage PlotWaterfall::renderImage	(	const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		const QwtDoubleRect &	rect
	)		const [protected]

virtual int PlotWaterfall::rtti

(

)

const [virtual]

void PlotWaterfall::setColorMap

(

const QwtColorMap &

)

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

• plot_waterfall.h