DGtal::IVViewer Class Reference

#include <IVViewer.h>

Public Member Functions
	~IVViewer ()
	IVViewer (int argc=0, char **argv=0)
SoSeparator *	root () const
void	setTitle (const std::string &title)
void	setCamera (float latitude, float longitude)
void	show () const
void	selfDisplay (std::ostream &out) const
bool	isValid () const

Protected Member Functions
	IVViewer ()

Private Member Functions
	IVViewer (const IVViewer &other)
IVViewer &	operator= (const IVViewer &other)

Private Attributes
QWidget *	myWindow
SoQtExaminerViewer *	myViewer
SoSeparator *	myRoot
std::string	myTitle

---

Detailed Description

Aim: A facade to represent an inventor window for 3D objects. May be a SoXt or a SoQt examiner viewer. NB: backported from ImaGeneUtils library.

Description of class 'IVViewer'

Todo:

SoXt is yet not checked.

Definition at line 74 of file IVViewer.h.

---

Constructor & Destructor Documentation

DGtal::IVViewer::~IVViewer

(

)

Destructor.

Definition at line 47 of file IVViewer.cpp.

{
#ifdef SGI_INVENTOR
  if ( myViewer != 0 ) delete (SoXtExaminerViewer*) myViewer;
  //  if ( myWindow != 0 ) delete (Widget) myWindow;
#else
  if ( myViewer != 0 ) delete (SoQtExaminerViewer*) myViewer;
  // if ( myWindow != 0 ) delete (QWidget*) myWindow;
#endif
  if ( myRoot != 0 ) myRoot->unref();
}

DGtal::IVViewer::IVViewer	(	int	argc = 0,
		char **	argv = 0
	)

Constructor.

Parameters:

argc	the number of parameters.
argv	an array of C strings storing the parameters.

Definition at line 66 of file IVViewer.cpp.

References myRoot, myViewer, and myWindow.

  : myWindow( 0 ), myViewer( 0 ), myRoot( 0 ), myTitle( "IVViewer" )
{
  // Initialize Inventor and Xt
#ifdef SGI_INVENTOR
  cout << "Initializing Inventor and Xt..." << endl;
  myWindow = (Widget) SoXt::init( argc, argv, "Digital Viewer" );
#else
  cout << "Initializing Inventor and Qt..." << endl;
  myWindow = (QWidget*) SoQt::init( argc, argv, "Digital Viewer" );
#endif

  if (myWindow == 0) exit(1);

  // Define Inventor node.
  cout << "Creating node, shapehints, material..." << endl;
  myRoot = new SoSeparator;
  myRoot->ref();

#ifdef SGI_INVENTOR
  myViewer = (SoXtExaminerViewer *)
    new SoXtExaminerViewer( (Widget) myWindow );
#else
  myViewer = (SoQtExaminerViewer *)
    new SoQtExaminerViewer( (QWidget*) myWindow );
#endif
  
}

DGtal::IVViewer::IVViewer ( )

protected

Constructor. Forbidden by default (protected to avoid g++ warnings).

DGtal::IVViewer::IVViewer ( const IVViewer &  other )

private

Copy constructor.

Parameters:

other

the object to clone. Forbidden by default.

---

Member Function Documentation

bool DGtal::IVViewer::isValid

(

)

const

Checks the validity/consistency of the object.

Returns:

'true' if the object is valid, 'false' otherwise.

Definition at line 181 of file IVViewer.cpp.

{
    return true;
}

IVViewer& DGtal::IVViewer::operator= ( const IVViewer &  other )

private

Assignment.

Parameters:

other

the object to copy.

Returns:

a reference on 'this'. Forbidden by default.

SoSeparator * DGtal::IVViewer::root

(

)

const

Returns:

the root of the scene graph.

Definition at line 98 of file IVViewer.cpp.

{
  return myRoot;
}

void DGtal::IVViewer::selfDisplay

(

std::ostream &

out

)

const

Writes/Displays the object on an output stream.

Parameters:

out	the output stream where the object is written.

Definition at line 171 of file IVViewer.cpp.

{
    out << "[IVViewer]";
}

void DGtal::IVViewer::setCamera	(	float	latitude,
		float	longitude
	)

Sets the parameters of the observing camera with Euler spherical coordinates.

Parameters:

latitude	the latitude of observation (in degrees)
longitude	the longitude of observation (in degrees)

Definition at line 120 of file IVViewer.cpp.

References M_PI.

{
  SbVec3f x_axis( 1.0, 0.0, 0.0 );
  latitude *= M_PI / 180.0f;
  SbRotation x_rot( x_axis, latitude );
  SbVec3f y_axis( 0.0, 1.0, 0.0 );
  longitude *= - M_PI / 180.0f;
  SbRotation y_rot( y_axis, longitude );
  SoTransform* transform = new SoTransform;
  transform->rotation.setValue( y_rot * x_rot );
  myRoot->insertChild( transform, 0 );
  
}

void DGtal::IVViewer::setTitle

(

const std::string &

title

)

Parameters:

title

the name of the window.

Definition at line 106 of file IVViewer.cpp.

{
  myTitle = title;
}

void DGtal::IVViewer::show

(

)

const

Show window and gives hand to inventor main loop.

Definition at line 138 of file IVViewer.cpp.

{
#ifdef SGI_INVENTOR
  SoXtExaminerViewer* lViewer = (SoXtExaminerViewer*) myViewer;
#else
  SoQtExaminerViewer* lViewer = (SoQtExaminerViewer*) myViewer;
#endif
 
  lViewer->setSceneGraph( myRoot );
  //  lViewer->setTitle( myTitle.c_str() );
  lViewer->show();
  lViewer->viewAll();

#ifdef SGI_INVENTOR
  SoXt::show((Widget) myWindow);
  SoXt::mainLoop();
#else
  SoQt::show((QWidget*) myWindow);
  SoQt::mainLoop();
#endif

}

---

Field Documentation

SoSeparator* DGtal::IVViewer::myRoot

private

The root of the scene graph.

Definition at line 160 of file IVViewer.h.

Referenced by IVViewer().

std::string DGtal::IVViewer::myTitle

private

The title of the window.

Definition at line 165 of file IVViewer.h.

SoQtExaminerViewer* DGtal::IVViewer::myViewer

private

Inventor viewer. May be a SoXtExaminerViewer* or a SoQtExaminerViewer*

Definition at line 154 of file IVViewer.h.

Referenced by IVViewer().

QWidget* DGtal::IVViewer::myWindow

private

Inventor window. May be a Widget or a QWidget*.

Definition at line 149 of file IVViewer.h.

Referenced by IVViewer().

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

• IVViewer.h
• IVViewer.cpp