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())

	~PlotWaterfall () override

const WaterfallData *	data () const

void	setColorMap (const QwtColorMap &)

const QwtColorMap &	colorMap () const

int	rtti () const override

Protected Member Functions
QImage	renderImage (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &rect, const QSize &size=QSize(0, 0)) const override

Detailed Description

A plot item, which displays a waterfall spectrogram.

A waterfall displays three-dimensional 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::PlotWaterfall	(	WaterfallData *	data,
		const QString &	title = `QString()`
	)

explicit

◆ ~PlotWaterfall()

PlotWaterfall::~PlotWaterfall ( )

override

Member Function Documentation

◆ colorMap()

const QwtColorMap & PlotWaterfall::colorMap ( ) const

◆ data()

const WaterfallData * PlotWaterfall::data ( ) const

◆ renderImage()

QImage PlotWaterfall::renderImage	(	const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		const QRectF &	rect,
		const QSize &	size = `QSize(0, 0)`
	)		const

overrideprotected

◆ rtti()

int PlotWaterfall::rtti ( ) const

override

◆ setColorMap()

void PlotWaterfall::setColorMap ( const QwtColorMap & )

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

plot_waterfall.h

Public Member Functions

Protected Member Functions