VTK/Examples/Cxx/Qt/ShareCameraBetweenQVTKWidgets

#include <QApplication>
#include "SimpleView.h"
 
int main( int argc, char** argv )
{
  // QT Stuff
  QApplication app( argc, argv );
 
  SimpleView mySimpleView;
  mySimpleView.show();
 
  return app.exec();
}

#ifndef SimpleView_H
#define SimpleView_H
 
#include <QMainWindow>
#include "ui_SimpleView.h"
 
class SimpleView : public QMainWindow, public Ui_SimpleView
{
  Q_OBJECT
public:
 
  // Constructor/Destructor
  SimpleView(); 
  ~SimpleView() {};
 
public slots:
 
  virtual void slotExit();
 
protected:
   void ModifiedHandler();
 
protected slots:
 
};
 
#endif // SimpleView_H

//#include "ui_SimpleView.h"
#include "SimpleView.h"
 
#include <vtkDataObjectToTable.h>
#include <vtkElevationFilter.h>
#include <vtkPolyDataMapper.h>
#include <vtkQtTableView.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkSphereSource.h>
#include <vtkCubeSource.h>
 
#include "vtkSmartPointer.h"
 
// Constructor
SimpleView::SimpleView() 
{
  this->setupUi(this);
 
  // sphere
  vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New();
  sphereSource->Update();
  vtkSmartPointer<vtkPolyDataMapper> sphereMapper =vtkSmartPointer<vtkPolyDataMapper>::New();
  sphereMapper->SetInputConnection(sphereSource->GetOutputPort());
  vtkSmartPointer<vtkActor> sphereActor = vtkSmartPointer<vtkActor>::New();
  sphereActor->SetMapper(sphereMapper);
 
  // cube
  vtkSmartPointer<vtkCubeSource> cubeSource = vtkSmartPointer<vtkCubeSource>::New();
  cubeSource->Update();
  vtkSmartPointer<vtkPolyDataMapper> cubeMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
  cubeMapper->SetInputConnection(cubeSource->GetOutputPort());
  vtkSmartPointer<vtkActor> cubeActor = vtkSmartPointer<vtkActor>::New();
  cubeActor->SetMapper(cubeMapper);
 
  // VTK Renderer
  vtkSmartPointer<vtkRenderer> leftRenderer = vtkSmartPointer<vtkRenderer>::New();
  leftRenderer->AddActor(sphereActor);
 
  vtkSmartPointer<vtkRenderer> rightRenderer = vtkSmartPointer<vtkRenderer>::New();
 
  // Add Actor to renderer
  rightRenderer->AddActor(cubeActor);
 
  // VTK/Qt wedded
  this->qvtkWidgetLeft->GetRenderWindow()->AddRenderer(leftRenderer);
  this->qvtkWidgetRight->GetRenderWindow()->AddRenderer(rightRenderer);
 
  rightRenderer->ResetCamera();
  leftRenderer->ResetCamera();
 
  rightRenderer->SetActiveCamera(leftRenderer->GetActiveCamera());
 
  // Set up action signals and slots
  connect(this->actionExit, SIGNAL(triggered()), this, SLOT(slotExit()));
 
  //this->qvtkWidgetLeft->GetRenderWindow()->AddObserver(vtkCommand::ModifiedEvent, this, &SimpleView::ModifiedHandler);
  this->qvtkWidgetLeft->GetRenderWindow()->AddObserver(vtkCommand::AnyEvent, this, &SimpleView::ModifiedHandler);
 
};
 
void SimpleView::ModifiedHandler() 
{
  this->qvtkWidgetRight->GetRenderWindow()->Render();
}
 
void SimpleView::slotExit() 
{
  qApp->exit();
}