VolumeWidget Class Reference

OpenGL Widget which renders the 3D Volume or the 2D Slices of the Volume (depending on the render mode). More...

#include <VolumeWidget.h>

List of all members.

Public Slots
void	IdleFunc ()
	Called whenever nothing else has to be done. Responsible for updating and rendering.
void	setSlice (int value)
	Sets the Slice which will be rendered.
void	setViewDir (char dir)
	Sets the orientation of the Slice in the 3D Volume.
void	setXRotation (int angle)
	Sets the Rotation around the X-Axis of the 3D Volume.
void	setYRotation (int angle)
	Sets the Rotation around the Y-Axis of the 3D Volume.
void	setZRotation (int angle)
	Sets the Rotation around the Z-Axis of the 3D Volume.
void	takeScreenshot ()
	Stores a Screenshot of the current Frame of the rendering widget in a file.
Public Member Functions
	VolumeWidget (Volume *vol, const QGLFormat &format, QWidget *parent=0, const QGLWidget *shareWidget=0, Qt::WindowFlags f=0)
	Constructor of VolumeWidget Class.
QSize	minimumSizeHint () const
	Returns the minimum Size of the Widget.
QSize	sizeHint () const
	Returns the Size of the Widget.
void	setVolume (Volume *vol)
	Sets the volume which will be rendered.
void	setVolumeDepth (int value)
	Sets Volume Depth.
void	setVolumeHeight (int value)
	Sets Volume Height.
void	setVolumeWidth (int value)
	Sets Volume Width.
void	loadTexture ()
	Loads the 3D Volume in a Texture on the graphic hardware.
unsigned int	getTexture ()
	Returns the Texture Handle of the Volume 3D Texture.
unsigned int *	getTextureP ()
	Returns a Pointer to the Texture Handle of the Volume 3D Texture.
const int	GetNextPowerOfTwo (const int iNumber)
	Calculates the next power of 2.
void	toggleRenderMode ()
	Toggles the render mode between Slices and 3D Volume.
bool	isVolumeRenderingActive ()
	Returns true if Volume Rendering is the current render mode.
void	setCubeScale (float x, float y, float z)
	Sets the scale of the 3D Volume.
Protected Member Functions
void	initializeGL ()
	Initializes the OpenGL Context.
void	paintGL ()
	This method covers the OpenGL render loop.
void	resizeGL (int width, int height)
	Updates the Viewport and Projection if the widged is resized.

---

Detailed Description

OpenGL Widget which renders the 3D Volume or the 2D Slices of the Volume (depending on the render mode).

See also:

QGLWidget

---

Constructor & Destructor Documentation

VolumeWidget::VolumeWidget	(	Volume *	vol,
		const QGLFormat &	format,
		QWidget *	parent = 0,
		const QGLWidget *	shareWidget = 0,
		Qt::WindowFlags	f = 0
	)

Constructor of VolumeWidget Class.

Parameters:

	vol	Volume which should be loaded at startup.
	format	The format argument specifies the desired rendering options.
	parent	Pointer to parent Widget
	shareWidget	Pointer to GLWidget which shares Textures and DisplayLists with this GLWidget.
	f	Qt::WindowFlags

See also:

QGLWidget

---

Member Function Documentation

const int VolumeWidget::GetNextPowerOfTwo

(

const int

iNumber

)

Calculates the next power of 2.

Parameters:

iNumber

Int value of which the next power of 2 will be calculated.

Returns:

The next power of 2.

unsigned int VolumeWidget::getTexture

(

)

Returns the Texture Handle of the Volume 3D Texture.

Returns:

The Texture Handle

unsigned int * VolumeWidget::getTextureP

(

)

Returns a Pointer to the Texture Handle of the Volume 3D Texture.

Returns:

Pointer to the Texture Handle

bool VolumeWidget::isVolumeRenderingActive

(

)

Returns true if Volume Rendering is the current render mode.

Returns:

true if Volume Rendering is active.

QSize VolumeWidget::minimumSizeHint

(

)

const

Returns the minimum Size of the Widget.

Returns:

Minimum Size of the Widget.

void VolumeWidget::setCubeScale	(	float	x,
		float	y,
		float	z
	)

Sets the scale of the 3D Volume.

Parameters:

	x	Scale in X-Axis direction.
	y	Scale in Y-Axis direction.
	z	Scale in Z-Axis direction.

void VolumeWidget::setSlice

(

int

value

)

[slot]

Sets the Slice which will be rendered.

Parameters:

value

Slice number.

void VolumeWidget::setViewDir

(

char

dir

)

[slot]

Sets the orientation of the Slice in the 3D Volume.

Parameters:

dir

Orientation: a -> axial, s -> sagital, k -> coronal

void VolumeWidget::setVolume

(

Volume *

vol

)

Sets the volume which will be rendered.

Parameters:

vol

The Volume

void VolumeWidget::setVolumeDepth

(

int

value

)

Sets Volume Depth.

Parameters:

value

Depth.

void VolumeWidget::setVolumeHeight

(

int

value

)

Sets Volume Height.

Parameters:

value

Height.

void VolumeWidget::setVolumeWidth

(

int

value

)

Sets Volume Width.

Parameters:

value

Width.

void VolumeWidget::setXRotation

(

int

angle

)

[slot]

Sets the Rotation around the X-Axis of the 3D Volume.

Parameters:

angle

Rotation angle.

void VolumeWidget::setYRotation

(

int

angle

)

[slot]

Sets the Rotation around the Y-Axis of the 3D Volume.

Parameters:

angle

Rotation angle.

void VolumeWidget::setZRotation

(

int

angle

)

[slot]

Sets the Rotation around the Z-Axis of the 3D Volume.

Parameters:

angle

Rotation angle.

QSize VolumeWidget::sizeHint

(

)

const

Returns the Size of the Widget.

Returns:

Size of the Widget.

---

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

• D:/TU/2008WS/VisualisierungLU/Beispiel1/VisLu_bsp1/code/src/VolumeWidget.h
• D:/TU/2008WS/VisualisierungLU/Beispiel1/VisLu_bsp1/code/src/VolumeWidget.cpp