TransferWidget Class Reference

#include <TransferWidget.hpp>

Inherits QGraphicsView.

Classes
struct	TransferFeature

Signals
void	transferChanged ()

Public Member Functions
	TransferWidget (QWidget *parent)
void	redrawScene ()
std::vector< TransferFeature >	getTransferControlValues ()
int	getNumPoints ()
void	clear ()
void	setNewRGBXY (float _red, float _green, float _blue, float _x, float _y)
void	resizeEvent (QResizeEvent *event)

Detailed Description

The transfer widget in which the transfer funtion can be set.

Author

Christian Hirsch

Clemens Roegner

Constructor & Destructor Documentation

TransferWidget::TransferWidget

(

QWidget *

parent = 0)

Constructor. Creates a new class, which represents the transfer function.

Parameters

parent

Pointer to the parent QWidget element.

Member Function Documentation

void TransferWidget::clear

(

)

Removes the current transfer function values.

int TransferWidget::getNumPoints

(

)

Retuns the number of current points.

Returns

Number of current points.

std::vector< TransferWidget::TransferFeature > TransferWidget::getTransferControlValues

(

)

Returns a float pointer to the transfer function control values, which are used to store in an file. (Format: RGBXY)

Returns

Pointer to float values of the control points.

void TransferWidget::redrawScene

(

)

Redraws the Scene. Redraws the scene with the current set transfer function. Under the points you can see the color-flow, which will be applied to the volume data.

void TransferWidget::resizeEvent

(

QResizeEvent *

event)

Handles the resize event. When the transfer widget resizes, all control point positions should be updated and the transfer widget should be redrawn.

Parameters

event

Pointer to the calling event.

void TransferWidget::setNewRGBXY	(	float	_red,
		float	_green,
		float	_blue,
		float	_x,
		float	_y
	)

Creates a new control point for the transfer function.

Parameters

_red	The red value in range 0.0 - 1.0
_green	The green value in range 0.0 - 1.0
_blue	The blue value in range 0.0 - 1.0
_x	The relative x position of the new control point in range 0.0 - 1.0
_y	The relative y position of the new control point in range 0.0 - 1.0

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

• C:/Development/workspace/Vis2/src/TransferWidget.hpp
• C:/Development/workspace/Vis2/src/TransferWidget.cpp