Display a slice (i.e. More...

#include <Slice.h>

Inheritance diagram for camitk::Slice:

Protected Member Functions
Protected utility methods
virtual void	init ()
	Initialize Attributes. More...

virtual void	initActors ()
	Initialize actors and everything they need. More...

Protected Attributes
Attributes / Members of the class
*/
SliceOrientation	sliceOrientation
	Direction of the reslice. More...

vtkSmartPointer< vtkImageData >	originalVolume
	Smart pointer to the original volume to reslice (input of the vtk pipeline) More...

int	extent [6]
	Table containing first and last indices of the image in each direction 0 & 1 -> x; 2 and 3 -> y; 4 & 5 -> z. More...

int	currentSliceIndex
	Keep track of the slice number. More...

vtkSmartPointer < vtkWindowLevelLookupTable >	lut
	Common lookup table. More...

int	originalDimensions [3]
	Original volume dimensions in number of voxels (x, y and z) More...

double	originalSpacing [3]
	Voxel size of the original image volume. More...

double	originalSize [3]
	Real size (originalDimension * originalSpacing in x, y and z) of the original image. More...

vtkSmartPointer < vtkImageMapToColors >	imgToMapFilter
	To be able to extract a slice. More...

vtkSmartPointer< vtkImageActor >	image3DActor
	3D actor More...

vtkSmartPointer< vtkImageActor >	image2DActor
	2D actor More...

Constructors / Destructors
enum	SliceOrientation { AXIAL, CORONAL, SAGITTAL, AXIAL_NEURO }
	Common slices orientation: axial, sagittal, coronal axial_neuro. More...

QMap< QString, vtkSmartPointer < vtkProp > >	extraProp
	The additional map for prop (include at least "label" and "glyph") More...

virtual vtkSmartPointer< vtkProp >	getProp (const QString &)
	Return the vtkProp (actors, volumes and annotations) corresponding to the given name. More...

virtual unsigned int	getNumberOfProp () const
	return the number of additional prop More...

virtual vtkSmartPointer< vtkProp >	getProp (unsigned int)
	return an additional prop by its index More...

virtual bool	addProp (const QString &, vtkSmartPointer< vtkProp >)
	insert an additional prop, defining it by its name (default visibility = false) More...

virtual bool	removeProp (const QString &)
	remove a given additional prop. More...

Uses for picking
vtkSmartPointer< vtkPlaneSource >	pickPlane
	A plane used for picking. More...

vtkSmartPointer < vtkPolyDataMapper >	pickPlaneMapper
	Mapper of the the pickPlane. More...

vtkSmartPointer< vtkActor >	pickPlaneActor
	Actor representing the pickPlane. More...

vtkSmartPointer< vtkActor >	pixelActor
	Actor representing a pixel, displayed over the image. More...

vtkSmartPointer< vtkAxesActor >	axes2DActor

void	initPixelActor ()
	Init the pixel actor for pixel picking. More...

void	updatePixelActorPosition (double x, double y, double z)
	Update the pixel actor position according to the specified pixel picked by the user i.e. More...

void	update2DAxesActorPosition ()

void	init2DAxesActor ()

Detailed Description

Display a slice (i.e.

an image or BitMap) of an ImageComponent

Uses vtkImageActor::SetDisplayExtent for 3D and 2D Axial, Coronal and Sagittal representaiton. Re-position the camera for the 2D views.

*       3D Volume                         2D Slice
*       ________  /|\
*      /|      /|  |                      _______
*     /______ / | _|_slice     ===>      /       /        Displayed in
*    |  |____|_/|  |  number            /______ /         the window
*    | /     |//
*    |/______|/
*
*                                          ________________
*                                         | vtkLookUpTable |
*                                      ---|                |
*                                     |   |    lut         |
*                                     |   |________________|
*  setOriginalVolume(..)              |
*   |                                 | setLookUpTable
*   |                   setInput      |                                   __________________
*   |   ________________       _______v____________                      |  vtkImageActor   |
*   |  |  vtkImageData  |     | vtkImageMapToColor |                     |(setDisplayExtent)|
*   |_\|                |----\|                    |-------------------\ |                  |
*     /| originalVolume |----/|   imgToMapFilter   |-------------------/ |   image2DActor   |
*      |________________|     |____________________|     | |             |__________________|
*                                                        | |
*                                                        | |              _________________________            __________________
*                                                        | |             |  vtkTransformFilter     |          |  vtkImageActor   |
*                                                        |  -----------\ |(setWorldTransformation) | --------\|(setDisplayExtent)|
*                                                         -------------/ |                         | --------/|                  |
*                                                                        |                         |          |   image3DActor   |
*                                                                        |_________________________|          |__________________|
*
*
*
*

Member Function Documentation

void camitk::Slice::init ( )

protectedvirtual

Initialize Attributes.

void camitk::Slice::init2DAxesActor ( )

protected

void camitk::Slice::initActors ( )

protectedvirtual

Initialize actors and everything they need.

void camitk::Slice::initPixelActor ( )

protected

Init the pixel actor for pixel picking.

References xMax, xMin, yMax, yMin, zMax, and zMin.

void camitk::Slice::update2DAxesActorPosition ( )

protected

void camitk::Slice::updatePixelActorPosition	(	double	x,
		double	y,
		double	z
	)

protected

Update the pixel actor position according to the specified pixel picked by the user i.e.

Compute and draw the bounding box around the selected pixel.

Parameters

x	The absciss value of the selected pixel
y	The ordinate value of the selected pixel
z	The depth value of the selected pixel. In the plane, it's always +/- 0.01 in order to the pixel actor to be visible over the slice.

Member Data Documentation

vtkSmartPointer<vtkAxesActor> camitk::Slice::axes2DActor

protected

int camitk::Slice::currentSliceIndex

protected

Keep track of the slice number.

int camitk::Slice::extent[6]

protected

Table containing first and last indices of the image in each direction 0 & 1 -> x; 2 and 3 -> y; 4 & 5 -> z.

vtkSmartPointer<vtkImageActor> camitk::Slice::image2DActor

protected

2D actor

vtkSmartPointer<vtkImageActor> camitk::Slice::image3DActor

protected

3D actor

vtkSmartPointer<vtkImageMapToColors> camitk::Slice::imgToMapFilter

protected

To be able to extract a slice.

vtkSmartPointer<vtkWindowLevelLookupTable> camitk::Slice::lut

protected

Common lookup table.

int camitk::Slice::originalDimensions[3]

protected

Original volume dimensions in number of voxels (x, y and z)

double camitk::Slice::originalSize[3]

protected

Real size (originalDimension * originalSpacing in x, y and z) of the original image.

double camitk::Slice::originalSpacing[3]

protected

Voxel size of the original image volume.

Used to compute point coordinates between real world and index world.

vtkSmartPointer<vtkImageData> camitk::Slice::originalVolume

protected

Smart pointer to the original volume to reslice (input of the vtk pipeline)

vtkSmartPointer<vtkPlaneSource> camitk::Slice::pickPlane

protected

A plane used for picking.

This plane has the same size and position as the displayed slice. However, it is a real vtkActor that can be easily picked (using 'p' ot 'Ctrl+left click').

vtkSmartPointer<vtkActor> camitk::Slice::pickPlaneActor

protected

Actor representing the pickPlane.

vtkSmartPointer<vtkPolyDataMapper> camitk::Slice::pickPlaneMapper

protected

Mapper of the the pickPlane.

vtkSmartPointer<vtkActor> camitk::Slice::pixelActor

protected

Actor representing a pixel, displayed over the image.

SliceOrientation camitk::Slice::sliceOrientation

protected

Direction of the reslice.

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

Protected Member Functions

Protected Attributes

Constructors / Destructors

Uses for picking

Detailed Description

Member Function Documentation

Member Data Documentation