QwtPlotSpectroCurve Class Reference

Curve that displays 3D points as dots, where the z coordinate is mapped to a color. More...

#include <qwt_plot_spectrocurve.h>

Inheritance diagram for QwtPlotSpectroCurve:

Classes
class	PrivateData

Public Types
enum	PaintAttribute { ClipPoints = 1 }
	Paint attributes . More...
Public Types inherited from QwtPlotItem
enum	RttiValues {   Rtti_PlotItem = 0 , Rtti_PlotGrid , Rtti_PlotScale , Rtti_PlotLegend ,   Rtti_PlotMarker , Rtti_PlotCurve , Rtti_PlotSpectroCurve , Rtti_PlotIntervalCurve ,   Rtti_PlotHistogram , Rtti_PlotSpectrogram , Rtti_PlotGraphic , Rtti_PlotTradingCurve ,   Rtti_PlotBarChart , Rtti_PlotMultiBarChart , Rtti_PlotShape , Rtti_PlotTextLabel ,   Rtti_PlotZone , Rtti_PlotVectorField , Rtti_PlotArrowMarker , Rtti_PlotBoxChart ,   Rtti_PlotUserItem = 1000 }
	Runtime type information. More...
enum	ItemAttribute { Legend = 0x01 , AutoScale = 0x02 , Margins = 0x04 }
	Plot Item Attributes. More...
enum	ItemInterest { ScaleInterest = 0x01 , LegendInterest = 0x02 }
	Plot Item Interests. More...
enum	RenderHint { RenderAntialiased = 0x1 }
	Render hints . More...

Public Member Functions
	QwtPlotSpectroCurve (const QString &title=QString())
	Constructor.
	QwtPlotSpectroCurve (const QwtText &title)
	Constructor with title.
virtual	~QwtPlotSpectroCurve ()
	Destructor.
virtual int	rtti () const override
	Get the runtime type information.
void	setPaintAttribute (PaintAttribute, bool on=true)
	Set a paint attribute.
bool	testPaintAttribute (PaintAttribute) const
	Test a paint attribute.
void	setSamples (const QVector< QwtPoint3D > &)
	Set the samples.
void	setSamples (QwtSeriesData< QwtPoint3D > *)
	Set the samples.
void	setColorMap (QwtColorMap *)
	Set the color map.
const QwtColorMap *	colorMap () const
	Get the color map.
void	setColorRange (const QwtInterval &)
	Set the color range.
QwtInterval &	colorRange () const
	Get the color range.
virtual void	drawSeries (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const override
	Draw the series.
void	setPenWidth (double)
	Set the pen width.
double	penWidth () const
	Get the pen width.
Public Member Functions inherited from QwtPlotSeriesItem
	QwtPlotSeriesItem (const QString &title=QString())
	Constructor.
	QwtPlotSeriesItem (const QwtText &title)
	Constructor.
virtual	~QwtPlotSeriesItem ()
	Destructor .
void	setOrientation (Qt::Orientation)
	Set the orientation of the item.
Qt::Orientation	orientation () const
	Get the orientation of the plot item.
virtual void	draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const override
	Draw the complete series.
virtual QRectF	boundingRect () const override
	Get the bounding rectangle.
virtual void	updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &) override
	Update the scale divisions.
Public Member Functions inherited from QwtPlotItem
	QwtPlotItem ()
	Default constructor.
	QwtPlotItem (const QString &title)
	Constructor with title as QString.
	QwtPlotItem (const QwtText &title)
	Constructor with title as QwtText.
virtual	~QwtPlotItem ()
	Destructor.
void	attach (QwtPlot *plot)
	Attach the item to a plot.
void	detach ()
	Detach the item from the plot.
QwtPlot *	plot () const
	Get the plot the item is attached to.
void	setTitle (const QString &title)
	Set the title using a QString.
void	setTitle (const QwtText &title)
	Set the title using a QwtText.
const QwtText &	title () const
	Get the title.
void	setItemAttribute (ItemAttribute, bool on=true)
	Set an item attribute.
bool	testItemAttribute (ItemAttribute) const
	Test an item attribute.
void	setItemInterest (ItemInterest, bool on=true)
	Set an item interest.
bool	testItemInterest (ItemInterest) const
	Test an item interest.
void	setRenderHint (RenderHint, bool on=true)
	Set a render hint.
bool	testRenderHint (RenderHint) const
	Test a render hint.
void	setRenderThreadCount (uint numThreads)
	Set the number of render threads.
uint	renderThreadCount () const
	Get the number of render threads.
void	setLegendIconSize (const QSize &)
	Set the legend icon size.
QSize	legendIconSize () const
	Get the legend icon size.
double	z () const
	Get the z-value.
void	setZ (double z)
	Set the z-value.
void	show ()
	Show the item.
void	hide ()
	Hide the item.
virtual void	setVisible (bool)
	Set the visibility.
bool	isVisible () const
	Check if the item is visible.
void	setAxes (QwtAxisId xAxis, QwtAxisId yAxis)
	Set both axes.
void	setXAxis (QwtAxisId)
	Set the x-axis.
QwtAxisId	xAxis () const
	Get the x-axis.
void	setYAxis (QwtAxisId)
	Set the y-axis.
QwtAxisId	yAxis () const
	Get the y-axis.
virtual void	itemChanged ()
	Notify the plot that the item has changed.
virtual void	legendChanged ()
	Notify the item that the legend has changed.
virtual void	getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const
	Get margin hints for the canvas.
virtual void	updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &)
	Update the item with changes of the legend.
QRectF	scaleRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the scale rectangle.
QRectF	paintRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the paint rectangle.
virtual QList< QwtLegendData >	legendData () const
	Return legend data.
virtual QwtGraphic	legendIcon (int index, const QSizeF &) const
	Return a legend icon.
Public Member Functions inherited from QwtSeriesStore< QwtPoint3D >
void	setData (QwtSeriesData< QwtPoint3D > *series)
QwtSeriesData< QwtPoint3D > *	data ()
const QwtSeriesData< QwtPoint3D > *	data () const
QwtPoint3D	sample (size_t index) const
virtual size_t	dataSize () const override
virtual QRectF	dataRect () const override
virtual void	setRectOfInterest (const QRectF &rect) override
	Set a the "rectangle of interest" for the stored series.
QwtSeriesData< QwtPoint3D > *	swapData (QwtSeriesData< QwtPoint3D > *series)

Protected Member Functions
virtual void	drawDots (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const
	Draw the dots.
Protected Member Functions inherited from QwtPlotSeriesItem
virtual void	dataChanged () override
	dataChanged() indicates, that the series has been changed.
Protected Member Functions inherited from QwtPlotItem
QwtGraphic	defaultIcon (const QBrush &, const QSizeF &) const
	Create a default icon.

Detailed Description

Curve that displays 3D points as dots, where the z coordinate is mapped to a color.

Member Enumeration Documentation

PaintAttribute

enum QwtPlotSpectroCurve::PaintAttribute

Paint attributes .

Enumerator
ClipPoints	Clip points outside the canvas rectangle.

Constructor & Destructor Documentation

QwtPlotSpectroCurve() [1/2]

QwtPlotSpectroCurve::QwtPlotSpectroCurve ( const QString &  title = QString() )

explicit

Constructor.

QwtPlotSpectroCurve() [2/2]

QwtPlotSpectroCurve::QwtPlotSpectroCurve ( const QwtText &  title )

explicit

Constructor with title.

Constructor.

~QwtPlotSpectroCurve()

QwtPlotSpectroCurve::~QwtPlotSpectroCurve ( )

virtual

Destructor.

Destructor

.

Member Function Documentation

colorMap()

const QwtColorMap * QwtPlotSpectroCurve::colorMap

(

)

const

Get the color map.

Get the color map used for mapping intensity values to colors.

colorRange()

QwtInterval & QwtPlotSpectroCurve::colorRange

(

)

const

Get the color range.

Get the value interval that corresponds to the color map.

drawDots()

void QwtPlotSpectroCurve::drawDots ( QPainter *  painter, const QwtScaleMap &  xMap, const QwtScaleMap &  yMap, const QRectF &  canvasRect, int  from, int  to  ) const

protectedvirtual

Draw the dots.

Draw a subset of the points.

Parameters

painter	Painter
xMap	Maps x-values into pixel coordinates.
yMap	Maps y-values into pixel coordinates.
canvasRect	Contents rectangle of the canvas
from	Index of the first sample to be painted
to	Index of the last sample to be painted. If to < 0 the series will be painted to its last sample.

See also

drawSeries()

drawSeries()

void QwtPlotSpectroCurve::drawSeries ( QPainter *  painter, const QwtScaleMap &  xMap, const QwtScaleMap &  yMap, const QRectF &  canvasRect, int  from, int  to  ) const

overridevirtual

Draw the series.

Draw a subset of the points.

Implements QwtPlotSeriesItem.

penWidth()

double QwtPlotSpectroCurve::penWidth

(

)

const

Get the pen width.

Get the pen width used to draw a dot.

rtti()

int QwtPlotSpectroCurve::rtti ( ) const

overridevirtual

Get the runtime type information.

Reimplemented from QwtPlotItem.

setColorMap()

void QwtPlotSpectroCurve::setColorMap

(

QwtColorMap *

colorMap

)

Set the color map.

Change the color map.

setColorRange()

void QwtPlotSpectroCurve::setColorRange

(

const QwtInterval &

interval

)

Set the color range.

Set the value interval that corresponds to the color map.

setPaintAttribute()

void QwtPlotSpectroCurve::setPaintAttribute	(	PaintAttribute	attribute,
		bool	on = true
	)

Set a paint attribute.

Specify an attribute how to draw the curve.

setPenWidth()

void QwtPlotSpectroCurve::setPenWidth

(

double

penWidth

)

Set the pen width.

Assign a pen width.

setSamples() [1/2]

void QwtPlotSpectroCurve::setSamples

(

const QVector< QwtPoint3D > &

samples

)

Set the samples.

Initialize data with an array of samples.

setSamples() [2/2]

void QwtPlotSpectroCurve::setSamples

(

QwtSeriesData< QwtPoint3D > *

data

)

Set the samples.

Assign a series of samples.

testPaintAttribute()

bool QwtPlotSpectroCurve::testPaintAttribute

(

PaintAttribute

attribute

)

const

Test a paint attribute.

Test if a paint attribute is enabled.

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

• /home/runner/work/QWT/QWT/src/plot/qwt_plot_spectrocurve.h
• /home/runner/work/QWT/QWT/src/plot/qwt_plot_spectrocurve.cpp