vtk-based slicer widget. "Channels" (i.e. image layers) are inserted via the addChannel method More...

#include <iASlicerImpl.h>

Inheritance diagram for iASlicerImpl:

Collaboration diagram for iASlicerImpl:

Public Slots
void	rotateSlice (double angle) override

void	saveAsImage () override
	Save an image of the image viewer native resolution or the current view.

void	saveImageStack ()
	Save an image stack of the current view.

void	saveMovie () override
	Save a movie of a full slice-through of the specimen from top to bottom.

void	setAngle (int mode, double angle)
	to synchronize angles of all modes between different slicers

void	setProfileHandlesOn (bool isOn)
	Toggle the possibility to move start and end point of the profile.

void	setProfilePoint (int pointIdx, double const *globalPos)
	Sets coordinates for line profile.

void	setSlabCompositeMode (int compositeMode)

void	setSlabThickness (int thickness)

void	setSliceNumber (int sliceNumber) override

void	setSlicePosition (double slicePos) override

void	setSliceProfileOn (bool isOn)
	Toggle the "raw" profile mode, i.e. whether the profile is shown on top of the slicer image.

void	update () override

Public Slots inherited from iASlicer
virtual void	rotateSlice (double angle)=0

virtual void	saveAsImage ()=0
	Save an image of the image viewer native resolution or the current view.

virtual void	saveMovie ()=0
	Save a movie of a full slice-through of the specimen from top to bottom.

virtual void	setSliceNumber (int sliceNumber)=0
	Set the current slice of the dataset currently sliced.

virtual void	setSlicePosition (double slicePos)=0
	Set the position to slice.

virtual void	update ()=0

Signals
void	profilePointChanged (int pointIdx, double *globalPos)

void	regionSelected (double minVal, double maxVal, uint channelID)

void	sliceRangeChanged (int minIdx, int maxIdx, int val)
	triggered when the slice number range has changed; parameters are new minimum, maximum and current index

void	sliceRotated (int mode, double angle)
	triggered when slice was rotated

Signals inherited from iASlicer
void	altMouseWheel (int angle)

void	clicked ()

void	ctrlMouseWheel (int angle)

void	dblClicked ()

void	leftClicked (double x, double y, double z)
	Triggered on mouse left button clicked.

void	leftDragged (double x, double y, double z)
	Triggered on mouse move with left button clicked.

void	leftReleased (double x, double y, double z)
	Triggered on mouse button released.

void	magicLensToggled (bool enabled)

void	mouseMoved (double x, double y, double z, int mode)
	Triggered on mouse move, sends x,y,z (world) coordinates and mode of slicer.

void	rightClicked (double x, double y, double z)
	Triggered on mouse right button clicked.

void	shiftMouseWheel (int angle)

void	sliceNumberChanged (int mode, int sliceNumber)
	triggered when slice number changed.

void	updateSignal ()

void	userInteraction ()

Public Member Functions
	iASlicerImpl (QWidget *parent, const iASlicerMode mode, bool decorations=true, bool magicLensAvailable=true, vtkSmartPointer< vtkTransform > transform=vtkSmartPointer< vtkTransform >())
	Creates a new slicer widget.

virtual	~iASlicerImpl ()

void	addImageActor (vtkSmartPointer< vtkImageActor > imgActor) override

void	applySettings (QVariantMap const &settings) override
	Apply the given settings to the slicer.

vtkCamera *	camera () override
	Access to the slicer's main renderer's camera.

void	enableInteractor (bool b) override

void	execute (vtkObject caller, unsigned long eventId, void callData) override

int	globalAxis (int slicerAxis) override
	retrieve the global axis that is represented by the given local axis (e.g. for XY:, 0 -> X, 1 -> Y, 2 -> Z; for XZ: 0 -> X, 1 -> Z, ...)

vtkRenderWindowInteractor *	interactor () override
	Access to the interactor of this slicer's render window.

bool	isInteractorEnabled () const override

iASlicerMode	mode () const override
	Get the slice mode (which axis-aligned slice-plane is used for slicing).

QCursor	mouseCursor ()

void	removeImageActor (vtkSmartPointer< vtkImageActor > imgActor) override

vtkRenderer *	renderer () override
	Access to the slicer's main renderer.

void	resetCamera () override
	Resets the slicer's main renderer's camera such that all channels in it are visible.

void	saveSliceMovie (QString const &fileName, int start, int end, int qual, int fps)

void	setBackground (QColor color) override
	Sets the background color of the slicer.

void	setCamera (vtkCamera *camera, bool camOwner=true) override
	Set the camera for the slicer's main renderer.

void	setDefaultInteractor () override

void	setLinkedMdiChild (iAMdiChild *mdiChild) override
	in case the "linked mdi" feature is used, use this to set the mdi child this slicer is linked to.

void	setMode (const iASlicerMode mode) override
	Sets the slice mode (which axis-aligned slice-plane to use for slicing).

void	setMouseCursor (QString const &s)

void	setPositionMarkerCenter (double x, double y, double z)
	Set the position of the position marker (in slicer coordinates).

void	setPositionMarkerSize (int size)
	Set the size of the position marker cube (showing the current position in other views)

void	setResliceAxesOrigin (double x, double y, double z) override

void	setRightButtonDragZoomEnabled (bool enabled)

void	setScalarBarTF (vtkScalarsToColors *ctf) override

void	setShowTooltip (bool isVisible) override
	Enable/disable the tooltip text.

void	setSlicerRange (uint channelID)
	call if the dimension of the input in direction of the slice axis has changed.

virtual QVariantMap const &	settings () override
	retrieve current settings of this slicer

void	showIsolines (bool s)
	Enable/disable contour lines.

void	showPosition (bool s)

int	sliceNumber () const override
	Get current slice number.

double	slicePosition () const override
	Get current slice position.

std::pair< double, double >	sliceRange () const override
	Retrieve minimum and maximum position of slice range.

double	sliceThickness () const override
	Get thickness of a single slice (typically, the voxel spacing of the dataset being sliced in slice axis direction)

void	updateChannelMappers () override


void	setMagicLensEnabled (bool isEnabled) override
	Magic Lens methods.

void	setMagicLensSize (int newSize)

int	magicLensSize () const

void	setMagicLensFrameWidth (int newWidth)

void	setMagicLensCount (int count) override

void	setMagicLensInput (uint id) override

uint	magicLensInput () const override

void	setMagicLensOpacity (double opacity) override

double	magicLensOpacity () const override

void	updateMagicLensColors () override

void	updateMagicLens () override


void	addChannel (uint id, iAChannelData const &chData, bool enable) override
	management of channels - each channel represents one "layer"

void	removeChannel (uint id) override

void	updateChannel (uint id, iAChannelData const &chData) override

iAChannelSlicerData *	channel (uint id) override

void	setChannelOpacity (uint id, double opacity) override

void	enableChannel (uint id, bool enabled) override

bool	hasChannel (uint id) const override


void	setROIVisible (bool isVisible) override
	ROI rectangle.

void	updateROI (int const roi[6]) override


void	setContours (int numberOfContours, double contourMin, double contourMax) override
	set contour line parameters.

void	setContours (int numberOfContours, double const *contourValues) override

Public Member Functions inherited from iASlicer
	iASlicer (QWidget *parent)

virtual	~iASlicer ()

Public Member Functions inherited from iAQVTKWidget
	iAQVTKWidget (QWidget *parent=nullptr)
	Creates the widget; makes sure its inner vtk render window is set, and sets an appropriate surface format.

bool	event (QEvent *evt) override

void	updateAll ()

Static Public Attributes
static constexpr const char	AdjustWindowLevelEnabled [] = "Adjust Window+Level via Mouse Click+Drag"

static constexpr const char	BackgroundColor [] = "Background Color"

static constexpr const char	LinearInterpolation [] = "Linear Interpolation"

static constexpr const char	MagicLensFrameWidth [] = "Magic Lens Frame Width"

static constexpr const char	MagicLensSize [] = "Magic Lens Size"

static constexpr const char	MaxIsoValue [] = "Maximum Iso Value"

static constexpr const char	MinIsoValue [] = "Minimum Iso Value"

static constexpr const char	MouseCursor [] = "Mouse Cursor"

static constexpr const char	NumberOfIsoLines [] = "Number of Isolines"

static constexpr const char	ShowAxesCaption [] = "Show Axes Caption"

static constexpr const char	ShowIsoLines [] = "Show Isolines"

static constexpr const char	ShowPosition [] = "Show Position"

static constexpr const char	ShowTooltip [] = "Show Tooltip"

static constexpr const char	ToolTipFontSize [] = "Tooltip Font Size (pt)"

Detailed Description

vtk-based slicer widget. "Channels" (i.e. image layers) are inserted via the addChannel method

Constructor & Destructor Documentation

◆ iASlicerImpl()

iASlicerImpl::iASlicerImpl	(	QWidget *	parent,
		const iASlicerMode	mode,
		bool	decorations = true,
		bool	magicLensAvailable = true,
		vtkSmartPointer< vtkTransform >	transform = vtkSmartPointer<vtkTransform>() )

Creates a new slicer widget.

Parameters

parent	the parent widget; can be nullptr for no current parent.
mode	determines which axis-aligned slice-plane is used for slicing.
decorations	whether to show the scalar bar widget, the measure bar and the tooltip.
magicLensAvailable	whether a magic lens should be available.
transform	if specified, a transform shared between slicers (e.g. for sharing rotation)

◆ ~iASlicerImpl()

iASlicerImpl::~iASlicerImpl ( )

virtual

Member Function Documentation

◆ addChannel()

void iASlicerImpl::addChannel	(	uint	id,
		iAChannelData const &	chData,
		bool	enable )

overridevirtual

management of channels - each channel represents one "layer"

Implements iASlicer.

◆ addImageActor()

void iASlicerImpl::addImageActor ( vtkSmartPointer< vtkImageActor > imgActor )

overridevirtual

Implements iASlicer.

◆ applySettings()

void iASlicerImpl::applySettings ( QVariantMap const & settings )

overridevirtual

Apply the given settings to the slicer.

Implements iASlicer.

◆ camera()

vtkCamera * iASlicerImpl::camera ( )

overridevirtual

Access to the slicer's main renderer's camera.

Implements iASlicer.

◆ channel()

iAChannelSlicerData * iASlicerImpl::channel ( uint id )

overridevirtual

Implements iASlicer.

◆ enableChannel()

void iASlicerImpl::enableChannel	(	uint	id,
		bool	enabled )

overridevirtual

Implements iASlicer.

◆ enableInteractor()

void iASlicerImpl::enableInteractor ( bool b )

overridevirtual

Implements iASlicer.

◆ execute()

void iASlicerImpl::execute	(	vtkObject *	caller,
		unsigned long	eventId,
		void *	callData )

overridevirtual

Implements iASlicer.

◆ globalAxis()

int iASlicerImpl::globalAxis ( int slicerAxis )

overridevirtual

retrieve the global axis that is represented by the given local axis (e.g. for XY:, 0 -> X, 1 -> Y, 2 -> Z; for XZ: 0 -> X, 1 -> Z, ...)

Implements iASlicer.

◆ hasChannel()

bool iASlicerImpl::hasChannel ( uint id ) const

overridevirtual

Implements iASlicer.

◆ interactor()

vtkRenderWindowInteractor * iASlicerImpl::interactor ( )

overridevirtual

Access to the interactor of this slicer's render window.

Implements iASlicer.

◆ isInteractorEnabled()

bool iASlicerImpl::isInteractorEnabled ( ) const

overridevirtual

Implements iASlicer.

◆ magicLensInput()

uint iASlicerImpl::magicLensInput ( ) const

overridevirtual

Implements iASlicer.

◆ magicLensOpacity()

double iASlicerImpl::magicLensOpacity ( ) const

overridevirtual

Implements iASlicer.

◆ magicLensSize()

int iASlicerImpl::magicLensSize ( ) const

◆ mode()

iASlicerMode iASlicerImpl::mode ( ) const

overridevirtual

Get the slice mode (which axis-aligned slice-plane is used for slicing).

Implements iASlicer.

◆ mouseCursor()

QCursor iASlicerImpl::mouseCursor ( )

◆ profilePointChanged

void iASlicerImpl::profilePointChanged	(	int	pointIdx,
		double *	globalPos )

signal

◆ regionSelected

void iASlicerImpl::regionSelected	(	double	minVal,
		double	maxVal,
		uint	channelID )

signal

◆ removeChannel()

void iASlicerImpl::removeChannel ( uint id )

overridevirtual

Implements iASlicer.

◆ removeImageActor()

void iASlicerImpl::removeImageActor ( vtkSmartPointer< vtkImageActor > imgActor )

overridevirtual

Implements iASlicer.

◆ renderer()

vtkRenderer * iASlicerImpl::renderer ( )

overridevirtual

Access to the slicer's main renderer.

Implements iASlicer.

◆ resetCamera()

void iASlicerImpl::resetCamera ( )

overridevirtual

Resets the slicer's main renderer's camera such that all channels in it are visible.

Implements iASlicer.

◆ rotateSlice

void iASlicerImpl::rotateSlice ( double angle )

overrideslot

◆ saveAsImage

void iASlicerImpl::saveAsImage ( )

overrideslot

Save an image of the image viewer native resolution or the current view.

◆ saveImageStack

void iASlicerImpl::saveImageStack ( )

slot

Save an image stack of the current view.

◆ saveMovie

void iASlicerImpl::saveMovie ( )

overrideslot

Save a movie of a full slice-through of the specimen from top to bottom.

◆ saveSliceMovie()

void iASlicerImpl::saveSliceMovie	(	QString const &	fileName,
		int	start,
		int	end,
		int	qual,
		int	fps )

◆ setAngle

void iASlicerImpl::setAngle	(	int	mode,
		double	angle )

slot

to synchronize angles of all modes between different slicers

◆ setBackground()

void iASlicerImpl::setBackground ( QColor color )

overridevirtual

Sets the background color of the slicer.

By default, background color is auto-determined via the slicer mode. If set manually via this method, it will keep the given color indefinitely

Parameters

color the background color part

Implements iASlicer.

◆ setCamera()

void iASlicerImpl::setCamera	(	vtkCamera *	camera,
		bool	camOwner = true )

overridevirtual

Set the camera for the slicer's main renderer.

Use this if you want share the camera between multiple views (i.e. synchronize their viewing parameters)

Parameters

camera	the new camera to assing
camOwner	whether the slicer should assume ownership of the camera. If true, Delete() will be called on it in the destructor

Implements iASlicer.

◆ setChannelOpacity()

void iASlicerImpl::setChannelOpacity	(	uint	id,
		double	opacity )

overridevirtual

Implements iASlicer.

◆ setContours() [1/2]

void iASlicerImpl::setContours	(	int	numberOfContours,
		double const *	contourValues )

overridevirtual

Implements iASlicer.

◆ setContours() [2/2]

void iASlicerImpl::setContours	(	int	numberOfContours,
		double	contourMin,
		double	contourMax )

overridevirtual

set contour line parameters.

Implements iASlicer.

◆ setDefaultInteractor()

void iASlicerImpl::setDefaultInteractor ( )

overridevirtual

Implements iASlicer.

◆ setLinkedMdiChild()

void iASlicerImpl::setLinkedMdiChild ( iAMdiChild * mdiChild )

overridevirtual

in case the "linked mdi" feature is used, use this to set the mdi child this slicer is linked to.

Implements iASlicer.

◆ setMagicLensCount()

void iASlicerImpl::setMagicLensCount ( int count )

overridevirtual

Implements iASlicer.

◆ setMagicLensEnabled()

void iASlicerImpl::setMagicLensEnabled ( bool isEnabled )

overridevirtual

Magic Lens methods.

Implements iASlicer.

◆ setMagicLensFrameWidth()

void iASlicerImpl::setMagicLensFrameWidth ( int newWidth )

◆ setMagicLensInput()

void iASlicerImpl::setMagicLensInput ( uint id )

overridevirtual

Implements iASlicer.

◆ setMagicLensOpacity()

void iASlicerImpl::setMagicLensOpacity ( double opacity )

overridevirtual

Implements iASlicer.

◆ setMagicLensSize()

void iASlicerImpl::setMagicLensSize ( int newSize )

◆ setMode()

void iASlicerImpl::setMode ( const iASlicerMode mode )

overridevirtual

Sets the slice mode (which axis-aligned slice-plane to use for slicing).

Implements iASlicer.

◆ setMouseCursor()

void iASlicerImpl::setMouseCursor ( QString const & s )

◆ setPositionMarkerCenter()

void iASlicerImpl::setPositionMarkerCenter	(	double	x,
		double	y,
		double	z )

Set the position of the position marker (in slicer coordinates).

◆ setPositionMarkerSize()

void iASlicerImpl::setPositionMarkerSize ( int size )

Set the size of the position marker cube (showing the current position in other views)

◆ setProfileHandlesOn

void iASlicerImpl::setProfileHandlesOn ( bool isOn )

slot

Toggle the possibility to move start and end point of the profile.

◆ setProfilePoint

void iASlicerImpl::setProfilePoint	(	int	pointIdx,
		double const *	globalPos )

slot

Sets coordinates for line profile.

◆ setResliceAxesOrigin()

void iASlicerImpl::setResliceAxesOrigin	(	double	x,
		double	y,
		double	z )

overridevirtual

Implements iASlicer.

◆ setRightButtonDragZoomEnabled()

void iASlicerImpl::setRightButtonDragZoomEnabled ( bool enabled )

◆ setROIVisible()

void iASlicerImpl::setROIVisible ( bool isVisible )

overridevirtual

ROI rectangle.

Implements iASlicer.

◆ setScalarBarTF()

void iASlicerImpl::setScalarBarTF ( vtkScalarsToColors * ctf )

overridevirtual

Implements iASlicer.

◆ setShowTooltip()

void iASlicerImpl::setShowTooltip ( bool isVisible )

overridevirtual

Enable/disable the tooltip text.

Implements iASlicer.

◆ setSlabCompositeMode

void iASlicerImpl::setSlabCompositeMode ( int compositeMode )

slot

◆ setSlabThickness

void iASlicerImpl::setSlabThickness ( int thickness )

slot

◆ setSliceNumber

void iASlicerImpl::setSliceNumber ( int sliceNumber )

overrideslot

◆ setSlicePosition

void iASlicerImpl::setSlicePosition ( double slicePos )

overrideslot

◆ setSliceProfileOn

void iASlicerImpl::setSliceProfileOn ( bool isOn )

slot

Toggle the "raw" profile mode, i.e. whether the profile is shown on top of the slicer image.

◆ setSlicerRange()

void iASlicerImpl::setSlicerRange ( uint channelID )

call if the dimension of the input in direction of the slice axis has changed.

◆ settings()

QVariantMap const & iASlicerImpl::settings ( )

overridevirtual

retrieve current settings of this slicer

Implements iASlicer.

◆ showIsolines()

void iASlicerImpl::showIsolines ( bool s )

Enable/disable contour lines.

◆ showPosition()

void iASlicerImpl::showPosition ( bool s )

◆ sliceNumber()

int iASlicerImpl::sliceNumber ( ) const

overridevirtual

Get current slice number.

Implements iASlicer.

◆ slicePosition()

double iASlicerImpl::slicePosition ( ) const

overridevirtual

Get current slice position.

Implements iASlicer.

◆ sliceRange()

std::pair< double, double > iASlicerImpl::sliceRange ( ) const

overridevirtual

Retrieve minimum and maximum position of slice range.

Implements iASlicer.

◆ sliceRangeChanged

void iASlicerImpl::sliceRangeChanged	(	int	minIdx,
		int	maxIdx,
		int	val )

signal

triggered when the slice number range has changed; parameters are new minimum, maximum and current index

◆ sliceRotated

void iASlicerImpl::sliceRotated	(	int	mode,
		double	angle )

signal

triggered when slice was rotated

◆ sliceThickness()

double iASlicerImpl::sliceThickness ( ) const

overridevirtual

Get thickness of a single slice (typically, the voxel spacing of the dataset being sliced in slice axis direction)

Implements iASlicer.

◆ update

void iASlicerImpl::update ( )

overrideslot

◆ updateChannel()

void iASlicerImpl::updateChannel	(	uint	id,
		iAChannelData const &	chData )

overridevirtual

Implements iASlicer.

◆ updateChannelMappers()

void iASlicerImpl::updateChannelMappers ( )

overridevirtual

Implements iASlicer.

◆ updateMagicLens()

void iASlicerImpl::updateMagicLens ( )

overridevirtual

Implements iASlicer.

◆ updateMagicLensColors()

void iASlicerImpl::updateMagicLensColors ( )

overridevirtual

Implements iASlicer.

◆ updateROI()

void iASlicerImpl::updateROI ( int const roi[6] )

overridevirtual

Implements iASlicer.

Member Data Documentation

◆ AdjustWindowLevelEnabled

constexpr const char iASlicerImpl::AdjustWindowLevelEnabled[] = "Adjust Window+Level via Mouse Click+Drag"

staticconstexpr

◆ BackgroundColor

constexpr const char iASlicerImpl::BackgroundColor[] = "Background Color"

staticconstexpr

◆ LinearInterpolation

constexpr const char iASlicerImpl::LinearInterpolation[] = "Linear Interpolation"

staticconstexpr

◆ MagicLensFrameWidth

constexpr const char iASlicerImpl::MagicLensFrameWidth[] = "Magic Lens Frame Width"

staticconstexpr

◆ MagicLensSize

constexpr const char iASlicerImpl::MagicLensSize[] = "Magic Lens Size"

staticconstexpr

◆ MaxIsoValue

constexpr const char iASlicerImpl::MaxIsoValue[] = "Maximum Iso Value"

staticconstexpr

◆ MinIsoValue

constexpr const char iASlicerImpl::MinIsoValue[] = "Minimum Iso Value"

staticconstexpr

◆ MouseCursor

constexpr const char iASlicerImpl::MouseCursor[] = "Mouse Cursor"

staticconstexpr

◆ NumberOfIsoLines

constexpr const char iASlicerImpl::NumberOfIsoLines[] = "Number of Isolines"

staticconstexpr

◆ ShowAxesCaption

constexpr const char iASlicerImpl::ShowAxesCaption[] = "Show Axes Caption"

staticconstexpr

◆ ShowIsoLines

constexpr const char iASlicerImpl::ShowIsoLines[] = "Show Isolines"

staticconstexpr

◆ ShowPosition

constexpr const char iASlicerImpl::ShowPosition[] = "Show Position"

staticconstexpr

◆ ShowTooltip

constexpr const char iASlicerImpl::ShowTooltip[] = "Show Tooltip"

staticconstexpr

◆ ToolTipFontSize

constexpr const char iASlicerImpl::ToolTipFontSize[] = "Tooltip Font Size (pt)"

staticconstexpr

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

libs/slicer/iASlicerImpl.h
libs/slicer/iASlicerImpl.cpp

Public Slots

Signals

Public Member Functions

Static Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ iASlicerImpl()

◆ ~iASlicerImpl()

Member Function Documentation

◆ addChannel()

◆ addImageActor()

◆ applySettings()

◆ camera()

◆ channel()

◆ enableChannel()

◆ enableInteractor()

◆ execute()

◆ globalAxis()

◆ hasChannel()

◆ interactor()

◆ isInteractorEnabled()

◆ magicLensInput()

◆ magicLensOpacity()

◆ magicLensSize()

◆ mode()

◆ mouseCursor()

◆ profilePointChanged

◆ regionSelected

◆ removeChannel()

◆ removeImageActor()

◆ renderer()

◆ resetCamera()

◆ rotateSlice

◆ saveAsImage

◆ saveImageStack

◆ saveMovie

◆ saveSliceMovie()

◆ setAngle

◆ setBackground()

◆ setCamera()

◆ setChannelOpacity()

◆ setContours() [1/2]

◆ setContours() [2/2]

◆ setDefaultInteractor()

◆ setLinkedMdiChild()

◆ setMagicLensCount()

◆ setMagicLensEnabled()

◆ setMagicLensFrameWidth()

◆ setMagicLensInput()

◆ setMagicLensOpacity()

◆ setMagicLensSize()

◆ setMode()

◆ setMouseCursor()

◆ setPositionMarkerCenter()

◆ setPositionMarkerSize()

◆ setProfileHandlesOn

◆ setProfilePoint

◆ setResliceAxesOrigin()

◆ setRightButtonDragZoomEnabled()

◆ setROIVisible()

◆ setScalarBarTF()

◆ setShowTooltip()

◆ setSlabCompositeMode

◆ setSlabThickness

◆ setSliceNumber

◆ setSlicePosition

◆ setSliceProfileOn

◆ setSlicerRange()

◆ settings()

◆ showIsolines()

◆ showPosition()

◆ sliceNumber()

◆ slicePosition()

◆ sliceRange()

◆ sliceRangeChanged

◆ sliceRotated

◆ sliceThickness()

◆ update

◆ updateChannel()

◆ updateChannelMappers()