Core Class Reference

Core Class. More...

#include <Core.h>

Collaboration diagram for Core:

[legend]

List of all members.

Public Member Functions
	Core ()
	Konstruktor.
	~Core ()
	Destruktor.
bool	initOpenGL (void *handle, int sizex, int sizey)
	initializes OpenGL Rendering Context
void	renderScene ()
	renders the Scene
void	resizeOpenGL (int sizex, int sizey)
	resizes the OpenGL Output-Size
void	loadVolume (std::string fileName)
	loads some VolumeData
void	setSclicingDirection (axisDirections aD)
	sets the slicing direction in 2d-Mode
int	getVolumeWidth ()
	returns the width of the currently loaded Volume
int	getVolumeHeight ()
	returns the height of the currently loaded Volume
int	getVolumeDepth ()
	returns the depth of the currently loaded Volume
void	setSliceNumber (int sliceNr)
	sets the actual viewed Slice
int	getHistLength ()
	returns the length of the Histogram
std::vector< int >	getHist ()
	returns the Histogram
std::vector < TransferFunctionManager::InterpolationNode >	getInterpolationNodes ()
	returns all Interpolation Nodes from the Transferfunction
void	setInterpolationNode (int index, byte r, byte g, byte b, byte alpha, int value)
	resets a selected Interpolation Node
void	updateLookUp ()
	updates the LookUp (TransferFunction)
void	addInterpolationNode (byte r, byte g, byte b, byte alpha, int value)
	adds a InterpolationNode
void	setTransferActive (bool isActive)
	sets if the Transferfunction is active
void	removeInterpolationNode (int index)
	removes a InterpolationNode
void	setViewMode (viewMode vM)
	2d or 3d Viewing
void	setRaycastMode (RaycastMode rM)
	sets the Raycast-Modes
void	rotateCamera (float xRotation, float yRotation)
	rotates the Camera
void	setStepSize (float stepSize)
	sets the Raycast Stepsize
void	setLum (float lum)
	sets the Lumination-Value for the Raycasting
void	setThreshold (float threshold)
	sets the Threshold for Raycasting
void	saveTransferFunction (std::string filename)
	saves the Transferfunction to the specified filename
void	loadTransferFunction (std::string filename)
	loads the Transferfunction from the specified filename
Private Member Functions
void	create3DTexture ()
	creates the 3d-Volume Texture
void	createFrameBuffers ()
	creates the FrameBuffers
int	getNextPowerOfTwo (int number)
	returns the next value which is a Power of 2
void	updateLookUpTex ()
	updates the Lookup Texture (which represents the Colors of the Transferfunction)
void	calculateVolumePixelSize ()
	calculates the Pixelsizes of the Volume (used for maximizing the 2d-Slicing to the Screen)
void	render2D ()
	sets up the Rendering for 2d-Rendering
void	render3D ()
	sets up the Rendering for 3d-Rendering
void	renderBoundingVolume (float width, float height, float depth)
	renders the Volume in 3d using the selected Shader
void	renderAxilsAlignedSlice ()
	renders the Slice
Private Attributes
HGLRC	renderingContext
	the rendering Context
HDC	deviceContext
	the Device Context for the Render-Thread
Camera	cam
	the Scene-Camera
TransferFunctionManager	transferFunctionManager
	handles the Transferfunction
ShaderManager	shaderManager
	handles the Shaders
int	screenX
	stores the actual ScreenWidth
int	screenY
	stores the actual ScreenHeight
bool	twoDimSlicing
	is true if 2d-Rendering should be used
axisDirections	axisDir
	defines the actual direction of Slicing when 2d-Rendering
RaycastMode	raycastMode
	defines the actuel Rendering-Mode when 3d-Rendering
Volume	myVolume
	handles the Volume
GLuint	my3DTexture
	the 3d-Texture (the Volume)
GLuint	myLookUpTexture
	the LookUpTexture
GLuint	backFacesTex
	the backFacesTexture
GLuint	frontFacesTex
	the frontFacesTexture
GLuint	backFacesBuffer
	Framebuffer-Object to render the backfaces of the Volume to.
GLuint	frontFacesBuffer
	Framebuffer-Object to render the frontfaces of the Volume to.
bool	transferActive
	saves if the Transferfunction should be active
float	sliceVal
	saves which slice should be rendered
bool	volumeLoaded
	saves if a Volume was loaded
float	aspectRatioYZ
	saves die Ratio of the Volume in YZ-Direction
float	aspectRatioXZ
	saves die Ratio of the Volume in XZ-Direction
float	aspectRatioXY
	saves die Ratio of the Volume in XY-Direction
float	volumeSizeXPixels
	saves volumePixelSize in X-Direction
float	volumeSizeYPixels
	saves volumePixelSize in Y-Direction
float	volumeSizeZPixels
	saves volumePixelSize in Z-Direction
float *	histLookUp
	pointer to the Histogram
float	stepSize
	saves the selected Stepsize for 3d-Rendering
float	lum
	saves the selected Lumination for 3d-Rendering
float	threshold
	saves the selected Threshold for 3d-Rendering

---

Detailed Description

Core Class.

Is the Class of the calculation core

---

Constructor & Destructor Documentation

Core::Core

(

)

Konstruktor.

Core::~Core

(

)

Destruktor.

---

Member Function Documentation

void Core::addInterpolationNode	(	byte	r,
		byte	g,
		byte	b,
		byte	alpha,
		int	value
	)

adds a InterpolationNode

void Core::calculateVolumePixelSize

(

)

[private]

calculates the Pixelsizes of the Volume (used for maximizing the 2d-Slicing to the Screen)

void Core::create3DTexture

(

)

[private]

creates the 3d-Volume Texture

void Core::createFrameBuffers

(

)

[private]

creates the FrameBuffers

std::vector< int > Core::getHist

(

)

returns the Histogram

int Core::getHistLength

(

)

returns the length of the Histogram

std::vector< TransferFunctionManager::InterpolationNode > Core::getInterpolationNodes

(

)

returns all Interpolation Nodes from the Transferfunction

int Core::getNextPowerOfTwo

(

int

number

)

[private]

returns the next value which is a Power of 2

int Core::getVolumeDepth

(

)

returns the depth of the currently loaded Volume

int Core::getVolumeHeight

(

)

returns the height of the currently loaded Volume

int Core::getVolumeWidth

(

)

returns the width of the currently loaded Volume

bool Core::initOpenGL	(	void *	handle,
		int	sizex,
		int	sizey
	)

initializes OpenGL Rendering Context

void Core::loadTransferFunction

(

std::string

filename

)

loads the Transferfunction from the specified filename

void Core::loadVolume

(

std::string

fileName

)

loads some VolumeData

void Core::removeInterpolationNode

(

int

index

)

removes a InterpolationNode

void Core::render2D

(

)

[private]

sets up the Rendering for 2d-Rendering

void Core::render3D

(

)

[private]

sets up the Rendering for 3d-Rendering

void Core::renderAxilsAlignedSlice

(

)

[private]

renders the Slice

void Core::renderBoundingVolume	(	float	width,
		float	height,
		float	depth
	)			[private]

renders the Volume in 3d using the selected Shader

void Core::renderScene

(

)

renders the Scene

void Core::resizeOpenGL	(	int	sizex,
		int	sizey
	)

resizes the OpenGL Output-Size

void Core::rotateCamera	(	float	xRotation,
		float	yRotation
	)

rotates the Camera

void Core::saveTransferFunction

(

std::string

filename

)

saves the Transferfunction to the specified filename

void Core::setInterpolationNode	(	int	index,
		byte	r,
		byte	g,
		byte	b,
		byte	alpha,
		int	value
	)

resets a selected Interpolation Node

void Core::setLum

(

float

lum

)

sets the Lumination-Value for the Raycasting

void Core::setRaycastMode

(

RaycastMode

rM

)

sets the Raycast-Modes

void Core::setSclicingDirection

(

axisDirections

aD

)

sets the slicing direction in 2d-Mode

void Core::setSliceNumber

(

int

sliceNr

)

sets the actual viewed Slice

void Core::setStepSize

(

float

stepSize

)

sets the Raycast Stepsize

void Core::setThreshold

(

float

threshold

)

sets the Threshold for Raycasting

void Core::setTransferActive

(

bool

isActive

)

sets if the Transferfunction is active

void Core::setViewMode

(

viewMode

vM

)

2d or 3d Viewing

void Core::updateLookUp

(

)

updates the LookUp (TransferFunction)

void Core::updateLookUpTex

(

)

[private]

updates the Lookup Texture (which represents the Colors of the Transferfunction)

---

Member Data Documentation

float Core::aspectRatioXY [private]

saves die Ratio of the Volume in XY-Direction

float Core::aspectRatioXZ [private]

saves die Ratio of the Volume in XZ-Direction

float Core::aspectRatioYZ [private]

saves die Ratio of the Volume in YZ-Direction

axisDirections Core::axisDir [private]

defines the actual direction of Slicing when 2d-Rendering

GLuint Core::backFacesBuffer [private]

Framebuffer-Object to render the backfaces of the Volume to.

GLuint Core::backFacesTex [private]

the backFacesTexture

Camera Core::cam [private]

the Scene-Camera

HDC Core::deviceContext [private]

the Device Context for the Render-Thread

GLuint Core::frontFacesBuffer [private]

Framebuffer-Object to render the frontfaces of the Volume to.

GLuint Core::frontFacesTex [private]

the frontFacesTexture

float* Core::histLookUp [private]

pointer to the Histogram

float Core::lum [private]

saves the selected Lumination for 3d-Rendering

GLuint Core::my3DTexture [private]

the 3d-Texture (the Volume)

GLuint Core::myLookUpTexture [private]

the LookUpTexture

Volume Core::myVolume [private]

handles the Volume

RaycastMode Core::raycastMode [private]

defines the actuel Rendering-Mode when 3d-Rendering

HGLRC Core::renderingContext [private]

the rendering Context

int Core::screenX [private]

stores the actual ScreenWidth

int Core::screenY [private]

stores the actual ScreenHeight

ShaderManager Core::shaderManager [private]

handles the Shaders

float Core::sliceVal [private]

saves which slice should be rendered

float Core::stepSize [private]

saves the selected Stepsize for 3d-Rendering

float Core::threshold [private]

saves the selected Threshold for 3d-Rendering

bool Core::transferActive [private]

saves if the Transferfunction should be active

TransferFunctionManager Core::transferFunctionManager [private]

handles the Transferfunction

bool Core::twoDimSlicing [private]

is true if 2d-Rendering should be used

bool Core::volumeLoaded [private]

saves if a Volume was loaded

float Core::volumeSizeXPixels [private]

saves volumePixelSize in X-Direction

float Core::volumeSizeYPixels [private]

saves volumePixelSize in Y-Direction

float Core::volumeSizeZPixels [private]

saves volumePixelSize in Z-Direction

---

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

• Eigene Dateien/Visual Studio 2005/Projects/VolViz/CoreApp/Core.h
• Eigene Dateien/Visual Studio 2005/Projects/VolViz/CoreApp/Core.cpp