Step1.cpp File Reference

#include "QmitkRegisterClasses.h"
#include "QmitkRenderWindow.h"
#include <mitkPicFileReader.h>
#include <mitkStandaloneDataStorage.h>
#include <itksys/SystemTools.hxx>
#include <QApplication>
#include "QtTesting.h"

Go to the source code of this file.

Functions
int	main (int argc, char *argv[])
	Load image (pic format) and display it in a 2D view.

---

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Load image (pic format) and display it in a 2D view.

Definition at line 29 of file Step1.cpp.

References mitk::RenderingManager::GetInstance(), mitk::RenderWindowBase::GetRenderer(), mitk::BaseController::GetSlice(), mitk::RenderWindowBase::GetSliceNavigationController(), mitk::DataNode::New(), mitk::PicFileReader::New(), mitk::StandaloneDataStorage::New(), QmitkRegisterClasses(), QtTesting(), mitk::VtkPropRenderer::SetDataStorage(), and mitk::Stepper::SetPos().

{
  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
  //*************************************************************************

  // Create a PicFileReader to read a .pic-file
  mitk::PicFileReader::Pointer reader = mitk::PicFileReader::New();
  const char * filename = argv[1];
  try
  {
    reader->SetFileName(filename);
    reader->Update();
  }
  catch(...)
  {
    fprintf( stderr, "Could not open file %s \n\n", filename );
    exit(2);
  }

  //*************************************************************************
  // Part III: Put the data into the datastorage
  //*************************************************************************

  // Create a node and add the Image (which is read from the file) to it
  mitk::DataNode::Pointer node = mitk::DataNode::New();
  node->SetData(reader->GetOutput());

  // Add the node to the DataStorage
  ds->Add(node);


  //*************************************************************************
  // 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
  mitk::TimeSlicedGeometry::Pointer 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->GetSlice()->SetPos( 0 );

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

  // for testing
  #include "QtTesting.h"
  if (strcmp(argv[argc-1], "-testing") != 0)
    return qtapplication.exec();
  else
    return QtTesting();

  // cleanup: Remove References to node and DataStorage. This will delete the two objects
  node = NULL;
  ds = NULL;
}