PlotWaterfall Class Reference

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

#include <gnuradio/qtgui/plot_waterfall.h>

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

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

Constructor & Destructor Documentation

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

explicit

virtual PlotWaterfall::~PlotWaterfall ( )

virtual

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