A chart widget that can also show functions overlaid over the chart area (transfer function, Gaussian and Bezier curves) More...

#include <iAChartWithFunctionsWidget.h>

Inheritance diagram for iAChartWithFunctionsWidget:

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Collaboration diagram for iAChartWithFunctionsWidget:

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Public Types
enum	AdditionalMode { MOVE_NEW_POINT_MODE =Y_ZOOM_MODE+1 , MOVE_POINT_MODE }

Public Types inherited from iAChartWidget
enum	AxisMappingType { Linear , Logarithmic }

enum	Mode { NO_MODE , MOVE_VIEW_MODE , X_ZOOM_MODE , Y_ZOOM_MODE }

enum	SelectionMode { SelectionDisabled , SelectPlot }

Public Slots
void	addBezierFunction ()

void	addGaussianFunction ()

void	changeColor (QMouseEvent *event=nullptr)

int	deletePoint ()

void	loadFunctions ()

void	loadTransferFunction ()

void	loadTransferFunction (QDomNode functionsNode)

void	removeFunction ()

void	resetTrf ()

void	saveFunctions ()

void	saveTransferFunction ()

void	showTFTable ()

void	tfTableIsFinished ()

Public Slots inherited from iAChartWidget
void	resetView ()
	Reset view (zoom and shift in x and y direction) such that all plots are fully visible.

void	setDrawXAxisAtZero (bool enable)
	Determines whether the x axis is drawn at location of zero in the data, or at the bottom of the chart region.

Signals
void	applyTFForAll ()

void	endPointSelected ()

void	noPointSelected ()

void	pointSelected ()

void	transferFunctionChanged ()

void	updateTFTable ()

Signals inherited from iAChartWidget
void	axisChanged ()
	Fires whenever the displayed x/y axis has changed (i.e. if it has been shifted, zoomed, or reset).

void	clicked (double x, Qt::KeyboardModifiers modifiers)
	Fires whenever the user clicks on the chart.

void	dblClicked ()
	Fires whenever the user double-clicks on the chart.

void	legendPlotClicked (size_t plotID)
	Emitted when a plot is clicked in the legend.

void	plotsSelected (std::vector< size_t > const &plotIDs)
	Fires whenever one or more plots are selected.

Public Member Functions
	iAChartWithFunctionsWidget (QWidget *parent, QString const &label="Greyvalue", QString const &yLabel="")

virtual	~iAChartWithFunctionsWidget ()

void	addGaussianFunction (double mean, double sigma, double multiplier)
	Add a Gaussian function with the given parameters.

std::vector< iAChartFunction * > &	functions ()
	Get all functions currently defined in this chart.

bool	isFuncEndPoint (int index) const

bool	loadProbabilityFunctions (iAXmlSettings &xml)

void	saveProbabilityFunctions (iAXmlSettings &xml)

int	selectedFuncPoint () const
	Get the index of the selected point in the selected function.

iAChartFunction *	selectedFunction ()
	Get the currently selected function.

void	setAllowTrfReset (bool allow)
	Set whether the user is allowed to reset the transfer function.

void	setEnableAdditionalFunctions (bool enable)
	Set whether the user can add additional functions (Bezier and Gaussian curves), in addition to the standard transfer function.

void	setTransferFunction (iATransferFunction *f)
	Set the transfer functions to be displayed on top of the chart.

Public Member Functions inherited from iAChartWidget
	iAChartWidget (QWidget *parent, QString const &xLabel, QString const &yLabel)

	~iAChartWidget ()

void	addImageOverlay (QSharedPointer< QImage > imgOverlay, bool stretch=true)
	Add an image overlay to the chart.

void	addPlot (QSharedPointer< iAPlot > plot)
	Add a plot to the chart.

virtual int	bottomMargin () const
	Retrieve bottom margin (in pixels).

bool	categoricalAxis () const
	Whether the axis of this chart is categorical type (as determined by the first plot).

virtual int	chartHeight () const
	Retrieve height (in pixels) of the actual chart, i.e. the region where plots are drawn, without space for the margins / axes.

virtual int	chartWidth () const
	Retrieve width (in pixels) of the actual chart, i.e. the region where plots are drawn, without space for margins / axes.

void	clearImageOverlays ()
	Clear all image overlays:

void	clearMarkers ()
	Remove all markers.

void	clearPlots ()
	Remove all plots from the chart.

QPoint	contextMenuPos () const
	Get the position where the context menu was last shown.

int	dataBin2ScreenX (long x) const
	Convert a bin number to a screen coordinate.

QImage	drawOffscreen ()
	Draws the chart off screen and returns an image of the result.

double	fullChartWidth () const
	width in pixels that the chart would have if it were fully shown (considering current zoom level)k

bool	isTooltipShown () const
	Check whether currently tooltips are enabled.

virtual int	leftMargin () const
	Retrieve left margin (in pixels).

double	maxXZoom () const
	Get the maximum zoom factor in x direction that can be in use.

std::vector< QSharedPointer< iAPlot > > const &	plots ()
	Retrieve all plots currently in the chart.

void	removeImageOverlay (QImage *imgOverlay)
	Remove an image overlay from the chart.

void	removePlot (QSharedPointer< iAPlot > plot)
	Remove a plot from the chart.

void	removeXMarker (double xPos)
	Remove the marker at the given x position (in data space, see screenX2DataBin for details).

void	resetYBounds ()
	Reset y bounds to the range specified by the current plots.

long	screenX2DataBin (int x) const
	Convert an x screen coordinate to a bin space index; Note that there are (at least) four different coordinate spaces to consider:

void	setCaptionPosition (Qt::Alignment captionAlignment)
	Set position of x axis caption (Center/Left, Bottom/Top, via Qt::Align... flags).

void	setEmptyText (QString const &text)
	Set text shown when no plot available.

void	setSelectionMode (SelectionMode mode)
	Determine how a selection works; see SelectionMode: either disable selection, or allow selection of single plots.

void	setXBounds (double minVal, double maxVal)
	Set custom x bounds (the interval the x axis covers).

void	setXCaption (QString const &caption)
	Set the caption shown along the x axis.

void	setXMarker (double xPos, QColor const &color, Qt::PenStyle penStyle=Qt::SolidLine)
	Add or update a marker at a specific x position (in data space, see screenX2DataBin for details) in the given color.

void	setYBounds (iAPlotData::DataType minVal, iAPlotData::DataType maxVal)
	Set custom y bounds (the interval the y axis covers).

void	setYCaption (QString const &caption)
	Set the caption shown along the y axis.

void	setYMappingMode (AxisMappingType drawMode)
	Set either linear or logarithmic mapping mode.

void	showLegend (bool show)
	Set whether legend should be shown or not.

void	showXAxisLabel (bool show)
	Set whether x axis caption should be shown or not.

void	updateBounds (size_t startPlot=0)
	Update all bounds such that all current plots are in the visible area of the chart.

void	updateXBounds (size_t startPlot=0)
	Update x bounds of the chart such that the x bounds of all current plots are in the visible area of the chart.

void	updateYBounds (size_t startPlot=0)
	Update y bounds of the chart such that the y bounds of all current plots are in the visible area of the chart.

double	xRange () const
	Get the range in x direction (i.e. maximum - minimum of x bounds)

double	xZoom () const
	Get x/y zoom and shift.

double	yZoom () const

double	xShift () const

int	yShift () const

void	setXShift (double xShift)
	set the x zoom/shift:

void	setXZoom (double xZoom)

void	setYZoom (double yZoom)

iAPlotData::DataType	minYDataValue (size_t startPlot=0) const
	Retrieve minimum/maximum y data value.

iAPlotData::DataType	maxYDataValue (size_t startPlot=0) const

iAMapper const &	xMapper () const
	Get mapper for x/y coordinates.

iAMapper const &	yMapper () const

int	data2MouseX (double dataX)
	Convert mouse X coordinates (in chart already, i.e.

double	mouse2DataX (int mouseX)

virtual iAPlotData::DataType const *	yBounds () const
	Get x/y bounds as array of size 2 (minimum, maximum)

virtual double const *	xBounds () const

Protected Member Functions
virtual void	drawFunctions (QPainter &painter)


void	mousePressEvent (QMouseEvent *event) override
	Events overrided from Qt.

void	mouseReleaseEvent (QMouseEvent *event) override

void	mouseMoveEvent (QMouseEvent *event) override

void	mouseDoubleClickEvent (QMouseEvent *event) override

void	enterEvent (QEnterEvent *event) override

void	keyPressEvent (QKeyEvent *event) override


void	addContextMenuEntries (QMenu *contextMenu) override
	Methods overrided from iAChartWidget.

void	changeMode (int newMode, QMouseEvent *event) override

void	drawAfterPlots (QPainter &painter) override

Protected Member Functions inherited from iAChartWidget
virtual void	changeMode (int newMode, QMouseEvent *event)

virtual void	drawAxes (QPainter &painter)

virtual void	drawLegend (QPainter &painter)

virtual void	drawPlots (QPainter &painter)

virtual void	showDataTooltip (QHelpEvent *event)

virtual QString	xAxisTickMarkLabel (double value, double stepWidth)

void	zoomAlongX (double value, int x, bool deltaMode)

void	zoomAlongY (double value, bool deltaMode)

void	mouseMoveEvent (QMouseEvent *event) override
	Overriden Qt events.

void	mousePressEvent (QMouseEvent *event) override

void	mouseReleaseEvent (QMouseEvent *event) override

void	mouseDoubleClickEvent (QMouseEvent *event) override

void	wheelEvent (QWheelEvent *event) override

void	leaveEvent (QEvent *event) override

void	paintEvent (QPaintEvent *event) override

void	contextMenuEvent (QContextMenuEvent *event) override

bool	event (QEvent *event) override

Protected Attributes
std::vector< iAChartFunction * >	m_functions

size_t	m_selectedFunction

bool	m_showFunctions

Protected Attributes inherited from iAChartWidget
int	m_dragStartPosX

int	m_dragStartPosY

int	m_mode

int	m_translationStartY

int	m_translationY

QString	m_xCaption

QSharedPointer< iAMapper >	m_xMapper
	Main mappers from diagram coordinates to pixel coordinates, for each axis:

double	m_xShift

double	m_xShiftStart

double	m_xZoom

double	m_xZoomStart

QString	m_yCaption

QSharedPointer< iAMapper >	m_yMapper

AxisMappingType	m_yMappingMode

double	m_yZoom

double	m_yZoomStart

int	m_zoomXPos

int	m_zoomYPos

Additional Inherited Members
Static Public Attributes inherited from iAChartWidget
static const size_t	MaxPossiblePlot = std::numeric_limits<size_t>::max()

Detailed Description

A chart widget that can also show functions overlaid over the chart area (transfer function, Gaussian and Bezier curves)

Member Enumeration Documentation

◆ AdditionalMode

enum iAChartWithFunctionsWidget::AdditionalMode

Enumerator
MOVE_NEW_POINT_MODE
MOVE_POINT_MODE

Constructor & Destructor Documentation

◆ iAChartWithFunctionsWidget()

iAChartWithFunctionsWidget::iAChartWithFunctionsWidget	(	QWidget *	parent,
		QString const &	label = `"Greyvalue"`,
		QString const &	yLabel = `""`
	)

◆ ~iAChartWithFunctionsWidget()

iAChartWithFunctionsWidget::~iAChartWithFunctionsWidget ( )

virtual

Member Function Documentation

◆ addBezierFunction

void iAChartWithFunctionsWidget::addBezierFunction ( )

slot

◆ addContextMenuEntries()

void iAChartWithFunctionsWidget::addContextMenuEntries ( QMenu * contextMenu )

overrideprotectedvirtual

Methods overrided from iAChartWidget.

Reimplemented from iAChartWidget.

◆ addGaussianFunction [1/2]

void iAChartWithFunctionsWidget::addGaussianFunction ( )

slot

◆ addGaussianFunction() [2/2]

void iAChartWithFunctionsWidget::addGaussianFunction	(	double	mean,
		double	sigma,
		double	multiplier
	)

Add a Gaussian function with the given parameters.

◆ applyTFForAll

void iAChartWithFunctionsWidget::applyTFForAll ( )

signal

◆ changeColor

void iAChartWithFunctionsWidget::changeColor ( QMouseEvent * event = nullptr )

slot

◆ changeMode()

void iAChartWithFunctionsWidget::changeMode	(	int	newMode,
		QMouseEvent *	event
	)

overrideprotectedvirtual

Reimplemented from iAChartWidget.

◆ deletePoint

int iAChartWithFunctionsWidget::deletePoint ( )

slot

◆ drawAfterPlots()

void iAChartWithFunctionsWidget::drawAfterPlots ( QPainter & painter )

overrideprotectedvirtual

Reimplemented from iAChartWidget.

◆ drawFunctions()

void iAChartWithFunctionsWidget::drawFunctions ( QPainter & painter )

protectedvirtual

◆ endPointSelected

void iAChartWithFunctionsWidget::endPointSelected ( )

signal

◆ enterEvent()

void iAChartWithFunctionsWidget::enterEvent ( QEnterEvent * event )

overrideprotected

◆ functions()

std::vector< iAChartFunction * > & iAChartWithFunctionsWidget::functions ( )

Get all functions currently defined in this chart.

◆ isFuncEndPoint()

bool iAChartWithFunctionsWidget::isFuncEndPoint ( int index ) const

◆ keyPressEvent()

void iAChartWithFunctionsWidget::keyPressEvent ( QKeyEvent * event )

overrideprotected

◆ loadFunctions

void iAChartWithFunctionsWidget::loadFunctions ( )

slot

◆ loadProbabilityFunctions()

bool iAChartWithFunctionsWidget::loadProbabilityFunctions ( iAXmlSettings & xml )

◆ loadTransferFunction [1/2]

void iAChartWithFunctionsWidget::loadTransferFunction ( )

slot

◆ loadTransferFunction [2/2]

void iAChartWithFunctionsWidget::loadTransferFunction ( QDomNode functionsNode )

slot

◆ mouseDoubleClickEvent()

void iAChartWithFunctionsWidget::mouseDoubleClickEvent ( QMouseEvent * event )

overrideprotected

◆ mouseMoveEvent()

void iAChartWithFunctionsWidget::mouseMoveEvent ( QMouseEvent * event )

overrideprotected

◆ mousePressEvent()

void iAChartWithFunctionsWidget::mousePressEvent ( QMouseEvent * event )

overrideprotected

Events overrided from Qt.

◆ mouseReleaseEvent()

void iAChartWithFunctionsWidget::mouseReleaseEvent ( QMouseEvent * event )

overrideprotected

◆ noPointSelected

void iAChartWithFunctionsWidget::noPointSelected ( )

signal

◆ pointSelected

void iAChartWithFunctionsWidget::pointSelected ( )

signal

◆ removeFunction

void iAChartWithFunctionsWidget::removeFunction ( )

slot

◆ resetTrf

void iAChartWithFunctionsWidget::resetTrf ( )

slot

◆ saveFunctions

void iAChartWithFunctionsWidget::saveFunctions ( )

slot

◆ saveProbabilityFunctions()

void iAChartWithFunctionsWidget::saveProbabilityFunctions ( iAXmlSettings & xml )

◆ saveTransferFunction

void iAChartWithFunctionsWidget::saveTransferFunction ( )

slot

◆ selectedFuncPoint()

int iAChartWithFunctionsWidget::selectedFuncPoint ( ) const

Get the index of the selected point in the selected function.

◆ selectedFunction()

iAChartFunction * iAChartWithFunctionsWidget::selectedFunction ( )

Get the currently selected function.

◆ setAllowTrfReset()

void iAChartWithFunctionsWidget::setAllowTrfReset ( bool allow )

Set whether the user is allowed to reset the transfer function.

◆ setEnableAdditionalFunctions()

void iAChartWithFunctionsWidget::setEnableAdditionalFunctions ( bool enable )

Set whether the user can add additional functions (Bezier and Gaussian curves), in addition to the standard transfer function.

◆ setTransferFunction()

void iAChartWithFunctionsWidget::setTransferFunction ( iATransferFunction * f )

Set the transfer functions to be displayed on top of the chart.

◆ showTFTable

void iAChartWithFunctionsWidget::showTFTable ( )

slot

◆ tfTableIsFinished

void iAChartWithFunctionsWidget::tfTableIsFinished ( )

slot

◆ transferFunctionChanged

void iAChartWithFunctionsWidget::transferFunctionChanged ( )

signal

◆ updateTFTable

void iAChartWithFunctionsWidget::updateTFTable ( )

signal

Member Data Documentation

◆ m_functions

std::vector<iAChartFunction*> iAChartWithFunctionsWidget::m_functions

protected

◆ m_selectedFunction

size_t iAChartWithFunctionsWidget::m_selectedFunction

protected

◆ m_showFunctions

bool iAChartWithFunctionsWidget::m_showFunctions

protected

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

libs/charts/iAChartWithFunctionsWidget.h
libs/charts/iAChartWithFunctionsWidget.cpp

Public Types

Public Slots

Signals

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ AdditionalMode

Constructor & Destructor Documentation

◆ iAChartWithFunctionsWidget()

◆ ~iAChartWithFunctionsWidget()

Member Function Documentation

◆ addBezierFunction

◆ addContextMenuEntries()

◆ addGaussianFunction [1/2]

◆ addGaussianFunction() [2/2]

◆ applyTFForAll

◆ changeColor

◆ changeMode()

◆ deletePoint

◆ drawAfterPlots()

◆ drawFunctions()

◆ endPointSelected

◆ enterEvent()

◆ functions()

◆ isFuncEndPoint()

◆ keyPressEvent()

◆ loadFunctions

◆ loadProbabilityFunctions()

◆ loadTransferFunction [1/2]

◆ loadTransferFunction [2/2]

◆ mouseDoubleClickEvent()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ noPointSelected

◆ pointSelected

◆ removeFunction

◆ resetTrf

◆ saveFunctions

◆ saveProbabilityFunctions()

◆ saveTransferFunction

◆ selectedFuncPoint()

◆ selectedFunction()

◆ setAllowTrfReset()

◆ setEnableAdditionalFunctions()

◆ setTransferFunction()

◆ showTFTable

◆ tfTableIsFinished

◆ transferFunctionChanged

◆ updateTFTable

Member Data Documentation

◆ m_functions

◆ m_selectedFunction

◆ m_showFunctions