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Ig3DAxisRotationControl Class Reference

#include <Iguana/GLBrowsers/interface/Ig3DAxisRotationControl.h>

Inheritance diagram for Ig3DAxisRotationControl:

List of all members.

Public Member Functions
	Ig3DAxisRotationControl (IgControlCategory *pane, QString label, Ig3DPlaneControl *planeControl)
	Create a new axis rotation controller with three thumbwheels.
IgSoQtThumbWheel *	xWidget () const
IgSoQtThumbWheel *	yWidget () const
IgSoQtThumbWheel *	zWidget () const
Protected Member Functions
virtual void	applyValue (void)
virtual void	updateValue (void)
Private Slots
void	alignToAxis ()
void	setXAxisDirty (float change)
void	setYAxisDirty (float change)
void	setZAxisDirty (float change)
Private Member Functions
void	makeWheelControl (IgControlCategory *pane, QWidget *parent, int axis, bool horizontal)
SbVec3f	rotateAboutAxis (float x, float y, float z, float angle)
	Rotates a 3D vector given by its components and the angle.
Private Attributes
IgQtAxisAlignment *	m_alignment
float	m_oldAngle [3]
Ig3DPlaneControl *	m_planeControl
IgSoQtThumbWheel *	m_thumbWheels [3]

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Detailed Description

Definition at line 25 of file Ig3DAxisRotationControl.h.

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Constructor & Destructor Documentation

Ig3DAxisRotationControl::Ig3DAxisRotationControl	(	IgControlCategory *	pane,
		QString	label,
		Ig3DPlaneControl *	planeControl
	)

Create a new axis rotation controller with three thumbwheels.

Definition at line 20 of file Ig3DAxisRotationControl.cc.

References reco::fitHelper::add(), IgControlBase::addGridWidget(), alignToAxis(), ASSERT, IgControlCategory::bodyArea(), IgControlCategory::bodyLayout(), HLT_VtxMuL3::connect, IgControlItem::dirty(), IgQtRangeControlCommon::getSettingItem(), IgControlBase::gridRows(), i, hlt_scaler_cfg::labels, m_alignment, IgControlBase::makeIndentedLabel(), IgControlItem::makeSpacedBox(), makeWheelControl(), IgControlCategory::popIndent(), IgControlCategory::pushIndent(), IgQtAxisAlignment::widget(), X_Axis, and Z_Axis.

    : IgControlBase (pane), m_planeControl(planeControl)
{
        ASSERT (pane);
        ASSERT (pane->bodyArea ());
        ASSERT (pane->bodyLayout ());

        std::vector<QString> labels;
        QString tmpLabels ("X:Y:Z");
        
        for(unsigned int i = 0; i < 3; i++)
        {
                labels.push_back (IgQtRangeControlCommon::getSettingItem (tmpLabels));
        }

        QWidget     *area = pane->bodyArea ();
        
        // Add label to the grid
        QWidget     *vlab = makeIndentedLabel (label, area);
        addGridWidget (vlab, gridRows (), 0);
        
        QString tips ("Set the \"");
        tips += label + "\" of the item";
        QWhatsThis::add (vlab, tips.latin1 ());
 
        pane->pushIndent ();

        // create three thumbWheel controls for rotating around the axes
        for (int axis = X_Axis; axis <= Z_Axis; axis++)
        {
                makeWheelControl(pane, vlab, axis, true);// und so weiter...
        }
        
        // Add alignment button group if requested
        m_alignment = new IgQtAxisAlignment (area);
        addGridWidget (makeSpacedBox (area, m_alignment->widget ()), gridRows (), 1);
        
        connect (m_alignment, SIGNAL (dirty ()), this, SLOT (alignToAxis ()));
        
        pane->popIndent ();
}

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Member Function Documentation

void Ig3DAxisRotationControl::alignToAxis

(

)

[private, slot]

Definition at line 102 of file Ig3DAxisRotationControl.cc.

References m_alignment, m_planeControl, IgControlItem::setClean(), Ig3DPlaneControl::setDirection(), and IgQtAxisAlignment::value().

Referenced by Ig3DAxisRotationControl().

{
        // gets the alignment vector on a signal event and sets the cutting plane 
        // accordingly. After that, the alignment buttons have to be cleaned again
        // to be able to use them again.
        m_planeControl->setDirection (m_alignment->value ().getValue ());
        m_alignment->setClean();
}

void Ig3DAxisRotationControl::applyValue

(

void

)

[protected, virtual]

Implements IgControlBase.

Definition at line 203 of file Ig3DAxisRotationControl.cc.

{    
    // We don't have a field for this control, so this method does
        // nothing.
}

void Ig3DAxisRotationControl::makeWheelControl	(	IgControlCategory *	pane,
		QWidget *	parent,
		int	axis,
		bool	horizontal
	)			[private]

Definition at line 112 of file Ig3DAxisRotationControl.cc.

References IgControlBase::addGridWidget(), IgControlCategory::bodyArea(), HLT_VtxMuL3::connect, IgControlBase::gridRows(), IgSoQtThumbWheel::Horizontal, label, m_thumbWheels, IgControlBase::makeIndentedLabel(), IgControlItem::makeSpacedBox(), row, setXAxisDirty(), setYAxisDirty(), setZAxisDirty(), IgSoQtThumbWheel::Vertical, X_Axis, and Y_Axis.

Referenced by Ig3DAxisRotationControl().

{
        // get index of the last row
        int row = gridRows ();
        
        QWidget *area = pane->bodyArea ();
        
        // determine the orientation based on the passed boolean
        IgSoQtThumbWheel::Orientation orientation;
        orientation = (horizontal ? IgSoQtThumbWheel::Horizontal : IgSoQtThumbWheel::Vertical);
                
        // create the thumbwheel and its label
        QString label;
        switch (axis)
    {
        case X_Axis:
                        label = "X Axis";
                        break;
                case Y_Axis:
                        label = "Y Axis";
                        break;
                default:
                        label = "Z Axis";
                        break;
    }
        m_thumbWheels[axis] = new IgSoQtThumbWheel (orientation, parent, label);
                
        // create a label inside an area
        QWidget* vlab = makeIndentedLabel (label, area);
        
        // add label and thumbwheel control to the gridded widget
        addGridWidget (vlab, row, 0);
        addGridWidget (makeSpacedBox (area, m_thumbWheels[axis]), row, 1);
        
        // connect wheels       
        switch (axis)
    {
        case X_Axis:
                        connect (m_thumbWheels[axis], SIGNAL( wheelMoved (float) ), this, SLOT( setXAxisDirty (float) ));
                        break;
                case Y_Axis:
                        connect (m_thumbWheels[axis], SIGNAL( wheelMoved (float) ), this, SLOT( setYAxisDirty (float) ));
                        break;
                default:
                        connect (m_thumbWheels[axis], SIGNAL( wheelMoved (float) ), this, SLOT( setZAxisDirty (float) ));
                        break;
        }
}

SbVec3f Ig3DAxisRotationControl::rotateAboutAxis	(	float	x,
		float	y,
		float	z,
		float	angle
	)			[private]

Rotates a 3D vector given by its components and the angle.

To rotate about the x-Axis pass the vector components as follows: rotateAboutAxis(y,z,x,angle) About y-Axis: rotateAboutAxis(z,x,y,angle) About z-Axis: rotateAboutAxis(x,y,z,angle)

Definition at line 185 of file Ig3DAxisRotationControl.cc.

References funct::cos(), and funct::sin().

Referenced by setXAxisDirty(), setYAxisDirty(), and setZAxisDirty().

{
        float new_x = x*cos(angle) - y*sin(angle);
        float new_y = x*sin(angle) + y*cos(angle);
        return SbVec3f(new_x, new_y, z);
}

void Ig3DAxisRotationControl::setXAxisDirty

(

float

change

)

[private, slot]

Definition at line 64 of file Ig3DAxisRotationControl.cc.

References change(), Ig3DPlaneControl::direction(), m_oldAngle, m_planeControl, rotateAboutAxis(), and Ig3DPlaneControl::setDirection().

Referenced by makeWheelControl().

{
        // calculate the difference between the old and the new angle
        // and remember the new angle for the next call
        float change = angle - m_oldAngle[0];
        m_oldAngle[0] = angle;
        
        // get the plane's normal direction and rotate it by 'change' 
        // degrees (radians) around the X axis. Finally set the plane's 
        // new calculated direction.
        SbVec3f old_dir (m_planeControl->direction ());
        SbVec3f new_dir = rotateAboutAxis (old_dir[1], old_dir[2], old_dir[0], change);
        m_planeControl->setDirection (SbVec3f(new_dir[2], new_dir[0], new_dir[1]));
}

void Ig3DAxisRotationControl::setYAxisDirty

(

float

change

)

[private, slot]

Definition at line 80 of file Ig3DAxisRotationControl.cc.

References change(), Ig3DPlaneControl::direction(), m_oldAngle, m_planeControl, rotateAboutAxis(), and Ig3DPlaneControl::setDirection().

Referenced by makeWheelControl().

{
        float change = angle - m_oldAngle[1];
        m_oldAngle[1] = angle;
        
        SbVec3f old_dir (m_planeControl->direction ());
        SbVec3f new_dir = rotateAboutAxis (old_dir[2], old_dir[0], old_dir[1], change);
        m_planeControl->setDirection (SbVec3f(new_dir[1], new_dir[2], new_dir[0]));
}

void Ig3DAxisRotationControl::setZAxisDirty

(

float

change

)

[private, slot]

Definition at line 91 of file Ig3DAxisRotationControl.cc.

References change(), Ig3DPlaneControl::direction(), m_oldAngle, m_planeControl, rotateAboutAxis(), and Ig3DPlaneControl::setDirection().

Referenced by makeWheelControl().

{
        float change = angle - m_oldAngle[2];
        m_oldAngle[2] = angle;
        
        SbVec3f old_dir (m_planeControl->direction ());
        SbVec3f new_dir = rotateAboutAxis (old_dir[0], old_dir[1], old_dir[2], change);
        m_planeControl->setDirection (new_dir);
}

void Ig3DAxisRotationControl::updateValue

(

void

)

[protected, virtual]

Implements IgControlBase.

Definition at line 196 of file Ig3DAxisRotationControl.cc.

{
    // We don't have a field for this control, so this method does
        // nothing.
}

IgSoQtThumbWheel * Ig3DAxisRotationControl::xWidget

(

)

const

Definition at line 162 of file Ig3DAxisRotationControl.cc.

References m_thumbWheels, and X_Axis.

Referenced by Ig3DGridCategory::addTips(), Ig3DClipsCategory::Ig3DClipsCategory(), Ig3DFieldPlanesCategory::Ig3DFieldPlanesCategory(), and Ig3DSlicersCategory::Ig3DSlicersCategory().

{
        return m_thumbWheels[X_Axis];
}

IgSoQtThumbWheel * Ig3DAxisRotationControl::yWidget

(

)

const

Definition at line 168 of file Ig3DAxisRotationControl.cc.

References m_thumbWheels, and Y_Axis.

Referenced by Ig3DGridCategory::addTips(), Ig3DClipsCategory::Ig3DClipsCategory(), Ig3DFieldPlanesCategory::Ig3DFieldPlanesCategory(), and Ig3DSlicersCategory::Ig3DSlicersCategory().

{
        return m_thumbWheels[Y_Axis];
}

IgSoQtThumbWheel * Ig3DAxisRotationControl::zWidget

(

)

const

Definition at line 174 of file Ig3DAxisRotationControl.cc.

References m_thumbWheels, and Z_Axis.

Referenced by Ig3DGridCategory::addTips(), Ig3DClipsCategory::Ig3DClipsCategory(), Ig3DFieldPlanesCategory::Ig3DFieldPlanesCategory(), and Ig3DSlicersCategory::Ig3DSlicersCategory().

{
        return m_thumbWheels[Z_Axis];
}

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Member Data Documentation

IgQtAxisAlignment* Ig3DAxisRotationControl::m_alignment [private]

Definition at line 54 of file Ig3DAxisRotationControl.h.

Referenced by alignToAxis(), and Ig3DAxisRotationControl().

float Ig3DAxisRotationControl::m_oldAngle[3] [private]

Definition at line 53 of file Ig3DAxisRotationControl.h.

Referenced by setXAxisDirty(), setYAxisDirty(), and setZAxisDirty().

Ig3DPlaneControl* Ig3DAxisRotationControl::m_planeControl [private]

Definition at line 52 of file Ig3DAxisRotationControl.h.

Referenced by alignToAxis(), setXAxisDirty(), setYAxisDirty(), and setZAxisDirty().

IgSoQtThumbWheel* Ig3DAxisRotationControl::m_thumbWheels[3] [private]

Definition at line 55 of file Ig3DAxisRotationControl.h.

Referenced by makeWheelControl(), xWidget(), yWidget(), and zWidget().

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

• Iguana/GLBrowsers/interface/Ig3DAxisRotationControl.h
• Iguana/GLBrowsers/src/Ig3DAxisRotationControl.cc

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