Function main

Examples/Tutorial/Step1/Step1.cpp:25–82

#Documentation # @brief Load image (nrrd format) and display it in a 2D view

//##Documentation
//## @brief Load image (nrrd format) and display it in a 2D view
int main(int argc, char *argv[])
{
  QApplication qtapplication(argc, argv);

  if (argc < 2)
  {
    fprintf(stderr, "Usage:   %s [filename] \n\n", itksys::SystemTools::GetFilenameName(argv[0]).c_str());
    return 1;
  }

  // Register Qmitk-dependent global instances
  QmitkRegisterClasses();

  //*************************************************************************
  // Part I: Basic initialization
  //*************************************************************************

  // Create a DataStorage
  // The DataStorage manages all data objects. It is used by the
  // rendering mechanism to render all data objects
  // We use the standard implementation mitk::StandaloneDataStorage.
  mitk::StandaloneDataStorage::Pointer ds = mitk::StandaloneDataStorage::New();

  //*************************************************************************
  // Part II: Create some data by reading a file
  //*************************************************************************

  // Load datanode (eg. many image formats, surface formats, etc.)
  mitk::IOUtil::Load(argv[1], *ds);

  //*************************************************************************
  // Part IV: Create window and pass the datastorage to it
  //*************************************************************************

  // Create a RenderWindow
  QmitkRenderWindow renderWindow;

  // Tell the RenderWindow which (part of) the datastorage to render
  renderWindow.GetRenderer()->SetDataStorage(ds);

  // Initialize the RenderWindow
  auto geo = ds->ComputeBoundingGeometry3D(ds->GetAll());
  mitk::RenderingManager::GetInstance()->InitializeViews(geo);
  // mitk::RenderingManager::GetInstance()->InitializeViews();

  // Select a slice
  mitk::SliceNavigationController::Pointer sliceNaviController = renderWindow.GetSliceNavigationController();
  if (sliceNaviController)
    sliceNaviController->GetStepper()->SetPos(0);

  //*************************************************************************
  // Part V: Qt-specific initialization
  //*************************************************************************
  renderWindow.show();
  renderWindow.resize(256, 256);

  return qtapplication.exec();
}