draw and edit a position on the SoView2D More...

#include <SoView2DPosition.h>

Inheritance diagram for SoView2DPosition:

Public Member Functions
	SoView2DPosition ()
	Constructor.
void	draw (View2DSliceList dsl, View2DSlice dslice, int slice) override
	reimplemented from SoView2DExtension
bool	evalEvent (SoView2D view2d, View2DSliceList slicelist, View2DEvent *ec, View2DEventPhase phase) override
	reimplemented from SoView2DExtension
bool	ignoreEvent (View2DEvent *ec) override
	Overwrite ignoreEvent -> ignore the "ignoreHandledEvents"-Field.
Public Member Functions inherited from SoView2DInteractionExtension
	SoView2DInteractionExtension (const std::string &actionID, bool positionSensitive=true)
	SoView2DInteractionExtension ()
	Constructor.
bool	implementsManagedInteractionAndClassicEventHandling () const override
Public Member Functions inherited from SoView2DExtension
	SoView2DExtension ()
	Constructor.
void	init ()
	setup internal state
virtual void	updateValues ()
	Update fields to local variables, may be reimplemented if you want to update additional local vars.
virtual void	startDrawing (View2DSliceList *)
virtual void	endDrawing (View2DSliceList *)
virtual void	overwriteDrawingSettings (SoView2DDrawingSettings &)
View2DEvent *	getEvent ()
	get the current event (when inside of evalEvent)
float	getSelectDist ()
	Set the distance tolerance on hit checking in pixels.
bool	isPointInsideDeviceRect (float pointX, float pointY, float centerX, float centerY, float hitRectangleSize=0.0)
void	drawMiniRect (float xp, float yp, float ext, float lineWidth=1.f)
	Draws a small rectangle with given half side length and a line width.
void	drawDashedMiniRect (float xp, float yp, float ext, float lineWidth)
void	drawFilledMiniRect (float xp, float yp, float ext, float lineWidth=1.f)
	Draws a small filled rectangle with given half side length.
void	drawMiniTriangle (float xp, float yp, float ext, float lineWidth=1.f)
	Draws a small triangle with given center point, half height and line width.
void	drawFilledMiniTriangle (float xp, float yp, float ext, float lineWidth=1.f)
	Draws a small filled triangle with given center point and half height.
void	drawMiniCircle (float xp, float yp, float ext, float lineWidth=1.f)
	Draws a small circle with given center point and radius.
void	drawFilledMiniCircle (float xp, float yp, float ext, float lineWidth=1.f)
	Draws a small filled circle with given center point and radius.
void	drawFixedSizeMiniCircleAt (float xp, float yp)
	Draws a fixed size small circle at the given position.
void	drawVoxelBorder (View2DSlice *slice, float vx, float vy, float vz)
	surround the given voxel with a border
int	getX ()
	get the x device position of current event, only returns valid result when called inside of evalEvent()
int	getY ()
	get the y device position of current event, only returns valid result when called inside of evalEvent()
virtual bool	isDrawingOn ()
	check if drawing is on
virtual bool	isEditingOn ()
	check if editing is on
virtual bool	isFixZOn ()
	check if z should stay fixed
virtual bool	isClipToSlice ()
	check if the image is clipped to slice
virtual void	fieldChanged (SoSensor *sensor)
	handle if any field has changed
bool	isCreateNewMode ()
	check if extension is in createNewMode
void	setCreateNewMode (bool flag)
	set this extension to create new objects
bool	isCreateNewModeRequest ()
	check if extension has a request for createNewMode
void	setCreateNewModeRequest (bool flag)
	set that extension want to become createNewMode
virtual bool	isActive ()
	returns if the extension is active (derive this method in child) (in createNewMode or with a selected object)(called by SoView2D)
virtual void	deleteSelectedObject ()
	deletes the currently active object (derive this method in child) (called by SoView2D)
virtual void	getStatusString (SbString &status)
	get the current status of this extension
virtual bool	evaluateEvent (SoView2D view2d, View2DEvent ec)
bool	wantsMouseOverUpdates () const
	public access to _wantsMouseOverUpdateEvents
virtual void	consumeEvent (View2DEvent *ec, bool handled=TRUE)
	Set handled-flag of ec to true (= consumed) if handled is True and setEventHandled is True.
int	getSelectedModifierMask ()
int	getSelectedIgnoreMask ()
SoPointingAction::Trigger	getPointingActionTriggerFromFields ()
	Get the trigger that matches the button/modifier field state.
Public Member Functions inherited from SoInteractionProviderNode
	SoInteractionProviderNode ()
	~SoInteractionProviderNode () override
	Destructor.
std::string	getID () const override
void	objRef () override
void	objUnref () override
Public Member Functions inherited from SoInteractionOwner
	SoInteractionOwner ()
	Default constructor.
	~SoInteractionOwner () override
	The destructor will destroy all interactions created with this object as owner.
std::list< SoInteraction * >	getInteractions (SoState *state) override
	Returns the list of all interactions of this provider.
void	pointerPosition (SoState *state, const SoPointerPosition &pos) override
	Same as below, with additional SoState argument. By default, simply calls the below version.
void	pointerLeftWindow (SoState *state) override
	Same as below, with additional SoState argument. By defaults, simply calls the below version.
void	addListener (SoInteractionOwnerListenerInterface *listener)
	Adds a listener object that is notified of changes in the interaction list.
void	removeListener (SoInteractionOwnerListenerInterface *listener)
	Removes a listener object that was notified of changes in the interaction list.
Public Member Functions inherited from SoInteractionProvider
	SoInteractionProvider ()
	Default constructor.
virtual	~SoInteractionProvider ()
template<class T>
std::list< T * >	getInteractionsOfType (SoState *state)
	Returns list of interactions of a specific type.
virtual std::list< SoCommandAction * >	getCommandActions (SoState *state)
virtual std::list< SoPointingAction * >	getPointingActions (SoState *state)
virtual std::list< SoOffsetAction * >	getOffsetActions (SoState *state)

Static Public Member Functions
static void	initClass ()
	inventor runtime type system
Static Public Member Functions inherited from SoView2DInteractionExtension
static void	initClass ()
	Initializes this class.
Static Public Member Functions inherited from SoView2DExtension
static void	initClass ()
	Initializes this class.
static float	snapToPixelCenter (float coordinateComponent)
	Snaps the coordinate component to the pixel center.
static void	fieldChangedCB (void data, SoSensor sensor)
	inventor callbacks if any field has changed, calls fieldChanged
static bool	isImageParallel (SoSFMLImage image, View2DSliceList dsl)
	Return true if `image` is parallel to the image of the slice list up to slice thickness.
static void	enableLineStippling (const SoSFEnum &lineStyleField)
	Set/reset stippling pattern.
static void	disableLineStippling (const SoSFEnum &lineStyleField)
static void	getAxisOrientation (int axis, SbMatrix &matrix, char &negativeResult, char &positiveResult)
	Geometry helpers.
static float	pointToLineDistance (SbVec3f point, SbVec3f line1, SbVec3f line2)
	calculate 3D point to line distance
static float	pointToLineDistance (SbVec2f point, SbVec2f line1, SbVec2f line2)
	calculate 2D point to line distance
static Sign	edgeIntersectWithPlane (const SbVec3f &v1, const SbVec3f &v2, const SbPlane &plane, SbVec3f &intersect)
	intersect given edge from `v1` to `v2` with given plane, returns sign and `intersect` point
Static Public Member Functions inherited from SoInteractionProviderNode
static void	initClass ()
	Initializes this class.
static void	registerInteractionProviderNode (SoType type, GetProviderFunc func)
	Registers a function to obtain a SoInteractionProvider from a SoNode.
static SoInteractionProvider *	getInteractionProvider (SoNode *node)

Public Attributes

SoSFVec3f	worldPosition
	selected world position
SoSFEnum	drawingModel
	model that shall be used for the position indicator (crosshairs, circle...)
SoSFEnum	drawingModelSizeUnit
	unit in which cross-hair dimensions are expressed (voxel, world or screen units)
SoSFFloat	drawingModelSize
	size of the position indicator model
SoSFFloat	crossHairSpacing
	spacing in center of the crosshair position indicator
SoSFBool	drawEditingRect
	flag to draw mini rect in cursor center
SoSFBool	colorAxes
	flag to draw axes in color
SoSFColor	coronalColor
	color for coronal view
SoSFColor	axialColor
	color for axial view
SoSFColor	sagittalColor
	color for sagittal view
SoSFBool	colorBorder
	flag to draw colored borders
SoSFFloat	colorBorderWidth
	width of the color border
SoSFFloat	lineWidth
	line width of the rendered position indicators
SoSFUShort	linePattern
	line stipple pattern
SoSFFloat	blendOnto
	blend factor for the slice the position is located on
SoSFFloat	blendOutside
	blend factor for the slice the position is not located on
SoSFBool	updateOnPress
	update worldPosition on press event
SoSFBool	updateOnMotion
	update worldPosition on motion event
SoSFBool	updateOnRelease
	update worldPosition on release event
SoSFBool	cooperative
	enable cooperative editing
SoSFVec3f	firstSliceWorldPosition
	world position on first slice (useful, if numOfSlices in the corresponding viewer is > 1)
Public Attributes inherited from SoView2DInteractionExtension
SoSFTrigger	singleClicked
SoSFTrigger	doubleClicked
	the same for the second click in a row
Public Attributes inherited from SoView2DExtension
SoSFColor	color
	color that should be used for drawing
SoSFBool	drawingOn
	flag if the extension should draw, needs to be checked inside of the draw() method
SoSFBool	editingOn
	flag if the extension should edit objects on mouse events, needs to be checked inside of the evalEvent() method
SoSFBool	maskValid
	flag if the event mask is valid.
SoSFFloat	selectionTolerance
	the selection tolerance in pixels
SoSFBool	wantsAllEvents
SoSFBool	wantsKeyEvents
	flag if keyboard events should be passed to evalEvent()
SoSFBool	wantsMouseWheelEvents
	flag if MouseWheel events should be passed to evalEvent()
SoSFBool	setEventHandled
	Set event handled if it is indeed handled by this extension.
SoSFBool	ignoreHandledEvents
	Ignore events, that have been handled by previous extensions.
SoSFEnum	button1
	mouse mask for button1
SoSFEnum	button2
	mouse mask for button2
SoSFEnum	button3
	mouse mask for button3
SoSFEnum	shift
	shift modifier for mouse mask
SoSFEnum	control
	shift control for mouse mask
SoSFEnum	alt
	shift alt for mouse mask
SoSFBool	needsValidVoxel
	sets if a valid voxel must be hit to get evalEvent() calls
SoSFBool	renderOnSlab
	defines if the extension should be rendered on all slab slices
SoSFBool	createNewMode
	flag if extension is in createNewMode
SoSFTrigger	createNewModeRequest
SoSFBool	clipToSlice
	Flag to clip drawing to slice.
SoSFEnum	cursorShape
SoSFBool	fixZOn
	DEPRECATED flag that indicates that the extension should fix the z value, only used in SoView2DRectangle.
Public Attributes inherited from SoInteractionProviderNode
SoSFString	instanceName
	Defines interface field to store the instance name.
SoSFString	interactionProviderID
	This field overrides the instanceName as providerID if specified.

Protected Member Functions
void	setPosition (const SbVec3f &pos, SoView2D view2d, View2DSliceList slicelist)
void	getAxisColor (char orientation, float *color)
	get color of orientation
void	pointerPosition (const SoPointerPosition &pos) override
	Override this if you always need to be informed of the current mouse cursor position.

bool	isSensitiveAt (const SoPointerPosition &pos) override
void	startPressAt (const SoPointerPosition &pos) override
void	dragMoveTo (const SoPointerPosition &pos) override
Protected Member Functions inherited from SoView2DInteractionExtension
	~SoView2DInteractionExtension () override
	destructor
bool	isValidLocation (const SoPointerPosition &pos)
	return true if the position is inside the image or needsValidVoxel is not set
virtual bool	shouldPointingActionBeEnabled ()
void	editingOnChanged (SoField *field) override
	called when editingOn field is touched:
void	buttonMaskChanged (SoField *field) override
	called when one of the button/modifier fields is touched:
virtual int	getCurrentCursor (SoViewerProxy *viewerProxy)
virtual void	setHighlightAt (const SoPointerPosition &)
virtual void	unsetHighlight ()
virtual SoPointingAction *	endPress (int)
virtual int	getNumInteractionModes () const
virtual void	setInteractionMode (int)
Protected Member Functions inherited from SoView2DExtension
virtual void	createNewModeRequestTriggered (SoField *)
	called when createNewModeRequest field ist touched:
	~SoView2DExtension () override
	destructor
void	GLRender (SoGLRenderAction *action) override
	Inventor actions.
void	callback (SoCallbackAction *action) override
void	handleEvent (SoHandleEventAction *action) override
void	getMatrix (SoGetMatrixAction *action) override
void	getBoundingBox (SoGetBoundingBoxAction *action) override
void	pick (SoPickAction *action) override
void	doAction (SoAction *action) override
Protected Member Functions inherited from SoInteractionOwner
virtual void	pointerLeftWindow ()
	This is called when the mouse cursor leaves the window.
bool	hasInteractions () const
	Returns whether there are any actions defined by this owner.
template<class T>
bool	hasInteractionsOfType () const
	Same as above, but asking for a specific type of interaction.
void	addPointingAction (SoPointingAction *)
void	addCommandAction (SoCommandAction *)
void	addOffsetAction (SoOffsetAction *)

Protected Attributes
SbVec3f	_oldWorldPos
	previous world position
bool	_isDragging
	flag if position is being dragged
Protected Attributes inherited from SoView2DInteractionExtension
SoPointingAction *	_pointingAction
Protected Attributes inherited from SoView2DExtension
SoNodeSensor *	_nodeSensor
	node sensor that is used to notice field changes
float	_rgbColor [4]
	Color of the object, update on each field change by _nodeSensor.
bool	_wantsMouseOverUpdateEvents
	set this flag to receive mouse over events while the extension is active

Additional Inherited Members
Public Types inherited from SoView2DExtension
enum	Sign { ZERO , NEGATIVE , POSITIVE }
	defines the sign of a number, with zero as an extra value More...
typedef SoInteractionProvider (	GetProviderFunc) (SoNode *)

Detailed Description

draw and edit a position on the SoView2D

Definition at line 45 of file SoView2DPosition.h.

Constructor & Destructor Documentation

◆ SoView2DPosition()

SoView2DPosition::SoView2DPosition ( )

Constructor.

Member Function Documentation

◆ dragMoveTo()

void SoView2DPosition::dragMoveTo ( const SoPointerPosition & pos )

overrideprotectedvirtual

Reimplemented from SoView2DInteractionExtension.

References SoInteractionOwner::pointerPosition().

◆ draw()

void SoView2DPosition::draw	(	View2DSliceList *	dsl,
		View2DSlice *	dslice,
		int	slice )

overridevirtual

reimplemented from SoView2DExtension

Reimplemented from SoView2DExtension.

◆ evalEvent()

bool SoView2DPosition::evalEvent	(	SoView2D *	view2d,
		View2DSliceList *	slicelist,
		View2DEvent *	ec,
		View2DEventPhase	phase )

overridevirtual

reimplemented from SoView2DExtension

Reimplemented from SoView2DExtension.

◆ getAxisColor()

void SoView2DPosition::getAxisColor	(	char	orientation,
		float *	color )

protected

get color of orientation

References SoView2DExtension::color.

◆ ignoreEvent()

bool SoView2DPosition::ignoreEvent ( View2DEvent * ec )

overridevirtual

Overwrite ignoreEvent -> ignore the "ignoreHandledEvents"-Field.

Reimplemented from SoView2DExtension.

◆ initClass()

void SoView2DPosition::initClass ( )

static

inventor runtime type system

◆ isSensitiveAt()

bool SoView2DPosition::isSensitiveAt ( const SoPointerPosition & pos )

overrideprotectedvirtual

interface forwarded from SoPointingAction:

Reimplemented from SoView2DInteractionExtension.

◆ pointerPosition()

void SoView2DPosition::pointerPosition ( const SoPointerPosition & )

overrideprotectedvirtual

Override this if you always need to be informed of the current mouse cursor position.

Reimplemented from SoInteractionOwner.

◆ setPosition()

void SoView2DPosition::setPosition	(	const SbVec3f &	pos,
		SoView2D *	view2d,
		View2DSliceList *	slicelist )

protected

◆ startPressAt()

void SoView2DPosition::startPressAt ( const SoPointerPosition & pos )

overrideprotectedvirtual

Reimplemented from SoView2DInteractionExtension.

Member Data Documentation

◆ _isDragging

bool SoView2DPosition::_isDragging

protected

flag if position is being dragged

Definition at line 137 of file SoView2DPosition.h.

◆ _oldWorldPos

SbVec3f SoView2DPosition::_oldWorldPos

protected

previous world position

Definition at line 135 of file SoView2DPosition.h.

◆ axialColor

SoSFColor SoView2DPosition::axialColor

color for axial view

Definition at line 68 of file SoView2DPosition.h.

◆ blendOnto

SoSFFloat SoView2DPosition::blendOnto

blend factor for the slice the position is located on

Definition at line 83 of file SoView2DPosition.h.

◆ blendOutside

SoSFFloat SoView2DPosition::blendOutside

blend factor for the slice the position is not located on

Definition at line 85 of file SoView2DPosition.h.

◆ colorAxes

SoSFBool SoView2DPosition::colorAxes

flag to draw axes in color

Definition at line 64 of file SoView2DPosition.h.

◆ colorBorder

SoSFBool SoView2DPosition::colorBorder

flag to draw colored borders

Definition at line 73 of file SoView2DPosition.h.

◆ colorBorderWidth

SoSFFloat SoView2DPosition::colorBorderWidth

width of the color border

Definition at line 75 of file SoView2DPosition.h.

◆ cooperative

SoSFBool SoView2DPosition::cooperative

enable cooperative editing

Definition at line 94 of file SoView2DPosition.h.

◆ coronalColor

SoSFColor SoView2DPosition::coronalColor

color for coronal view

Definition at line 66 of file SoView2DPosition.h.

◆ crossHairSpacing

SoSFFloat SoView2DPosition::crossHairSpacing

spacing in center of the crosshair position indicator

Definition at line 60 of file SoView2DPosition.h.

◆ drawEditingRect

SoSFBool SoView2DPosition::drawEditingRect

flag to draw mini rect in cursor center

Definition at line 62 of file SoView2DPosition.h.

◆ drawingModel

SoSFEnum SoView2DPosition::drawingModel

model that shall be used for the position indicator (crosshairs, circle...)

Definition at line 54 of file SoView2DPosition.h.

◆ drawingModelSize

SoSFFloat SoView2DPosition::drawingModelSize

size of the position indicator model

Definition at line 58 of file SoView2DPosition.h.

◆ drawingModelSizeUnit

SoSFEnum SoView2DPosition::drawingModelSizeUnit

unit in which cross-hair dimensions are expressed (voxel, world or screen units)

Definition at line 56 of file SoView2DPosition.h.

◆ firstSliceWorldPosition

SoSFVec3f SoView2DPosition::firstSliceWorldPosition

world position on first slice (useful, if numOfSlices in the corresponding viewer is > 1)

Definition at line 96 of file SoView2DPosition.h.

◆ linePattern

SoSFUShort SoView2DPosition::linePattern

line stipple pattern

Definition at line 80 of file SoView2DPosition.h.

◆ lineWidth

SoSFFloat SoView2DPosition::lineWidth

line width of the rendered position indicators

Definition at line 78 of file SoView2DPosition.h.

◆ sagittalColor

SoSFColor SoView2DPosition::sagittalColor

color for sagittal view

Definition at line 70 of file SoView2DPosition.h.

◆ updateOnMotion

SoSFBool SoView2DPosition::updateOnMotion

update worldPosition on motion event

Definition at line 90 of file SoView2DPosition.h.

◆ updateOnPress

SoSFBool SoView2DPosition::updateOnPress

update worldPosition on press event

Definition at line 88 of file SoView2DPosition.h.

◆ updateOnRelease

SoSFBool SoView2DPosition::updateOnRelease

update worldPosition on release event

Definition at line 92 of file SoView2DPosition.h.

◆ worldPosition

SoSFVec3f SoView2DPosition::worldPosition

selected world position

Fields

Definition at line 52 of file SoView2DPosition.h.

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

MeVisLab/Standard/Sources/Inventor/SoView2D/extensions/SoView2DPosition.h

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SoView2DPosition()

Member Function Documentation

◆ dragMoveTo()

◆ draw()

◆ evalEvent()

◆ getAxisColor()

◆ ignoreEvent()

◆ initClass()

◆ isSensitiveAt()

◆ pointerPosition()

◆ setPosition()

◆ startPressAt()

Member Data Documentation

◆ _isDragging

◆ _oldWorldPos

◆ axialColor

◆ blendOnto

◆ blendOutside

◆ colorAxes

◆ colorBorder

◆ colorBorderWidth

◆ cooperative

◆ coronalColor

◆ crossHairSpacing

◆ drawEditingRect

◆ drawingModel

◆ drawingModelSize

◆ drawingModelSizeUnit

◆ firstSliceWorldPosition

◆ linePattern

◆ lineWidth

◆ sagittalColor

◆ updateOnMotion

◆ updateOnPress

◆ updateOnRelease

◆ worldPosition