OpenInventorVisualizer.cpp

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// ****************************************************************************
// This file is part of the Integrating Vision Toolkit (IVT).
//
// The IVT is maintained by the Karlsruhe Institute of Technology (KIT)
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// ****************************************************************************
// ****************************************************************************
// Filename:  OpenInventorVisualizer.cpp
// Author:    Pedram Azad
// Date:      2005
// ****************************************************************************


// ****************************************************************************
// Includes
// ****************************************************************************

#include "OpenInventorVisualizer.h"

#include "Math/Math3d.h"

#include <Inventor/Qt/SoQt.h>
#include <Inventor/Qt/viewers/SoQtExaminerViewer.h>
#include <Inventor/SoInput.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoPointSet.h>
#include <Inventor/nodes/SoCoordinate3.h>



// ****************************************************************************
// Constructor / Destructor
// ****************************************************************************

COpenInventorVisualizer::COpenInventorVisualizer(int argc, char **args)
{
        // init SoQt library (initializes QT and Coin)
    m_pMainWidget = SoQt::init(argc, args, args[0]);
        
        m_pRoot = new SoSeparator();
        m_pPointSet = new SoPointSet();
        m_pCoordinate3 = new SoCoordinate3();
        
        m_pRoot->addChild(m_pCoordinate3);
        m_pRoot->addChild(m_pPointSet);
        
        m_nCounter = 0;
}

COpenInventorVisualizer::~COpenInventorVisualizer()
{
}


// ****************************************************************************
// Methods
// ****************************************************************************

void COpenInventorVisualizer::Clear()
{
        // TODO: empty m_pCoordinate3
        m_nCounter = 0;
}

void COpenInventorVisualizer::AddPoint(const Vec3d &point)
{
        m_pCoordinate3->point.set1Value(m_nCounter++, (float) point.x, (float) point.y, (float) point.z);
}

void COpenInventorVisualizer::Render()
{
        // create root node
        m_pRoot->ref();
  
        // create viewer
        SoQtExaminerViewer *pViewer = new SoQtExaminerViewer(m_pMainWidget);
        pViewer->setSceneGraph(m_pRoot);
        pViewer->show();
        
        // pop up the main window and start main loop
        SoQt::show(m_pMainWidget);
        SoQt::mainLoop();

        // free memory
        m_pRoot->unref();
        
        //delete pViewer;
}