Step2.cpp

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/*=========================================================================

Program:   Medical Imaging & Interaction Toolkit
Language:  C++
Date:      $Date$
Version:   $Revision$

Copyright (c) German Cancer Research Center, Division of Medical and
Biological Informatics. All rights reserved.
See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.

This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#include "QmitkRegisterClasses.h"
#include "QmitkRenderWindow.h"

#include <mitkDataNodeFactory.h>
#include <mitkStandaloneDataStorage.h>

#include <itksys/SystemTools.hxx>
#include <QApplication>

//##Documentation
//## @brief Load one or more data sets (many image, surface
//## and other formats) and display it in a 2D view
//##
//## Only very slightly different to Step1: Use DataNodeFactory
//## instead of PicFileReader, and read more than one data set.
int main(int argc, char* argv[])
{
  QApplication qtapplication( argc, argv );

  if(argc<2)
  {
    fprintf( stderr, "Usage:   %s [filename1] [filename2] ...\n\n",
      itksys::SystemTools::GetFilenameName(argv[0]).c_str() );
    return 1;
  }

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

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

  // Create a data storage object. We will use it as a singleton
  mitk::StandaloneDataStorage::Pointer storage = mitk::StandaloneDataStorage::New();

  //*************************************************************************
  // Part II: Create some data by reading files
  //*************************************************************************
  int i;
  for(i=1; i<argc; ++i)
  {
    // For testing
    if(strcmp(argv[i], "-testing")==0) continue;

    // Create a DataNodeFactory to read a data format supported
    // by the DataNodeFactory (many image formats, surface formats, etc.)
    mitk::DataNodeFactory::Pointer nodeReader=mitk::DataNodeFactory::New();
    const char * filename = argv[i];
    try
    {
      nodeReader->SetFileName(filename);
      nodeReader->Update();
      //*********************************************************************
      // Part III: Put the data into the datastorage
      //*********************************************************************

      // Since the DataNodeFactory directly creates a node,
      // use the datastorage to add the read node
      storage->Add(nodeReader->GetOutput());
    }
    catch(...)
    {
      fprintf( stderr, "Could not open file %s \n\n", filename );
      exit(2);
    }
  }

  //*************************************************************************
  // 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(storage);

  // Initialize the RenderWindow
  mitk::TimeSlicedGeometry::Pointer geo = storage->ComputeBoundingGeometry3D(storage->GetAll());
  mitk::RenderingManager::GetInstance()->InitializeViews( geo );

  // Select a slice
  mitk::SliceNavigationController::Pointer sliceNaviController = renderWindow.GetSliceNavigationController();
  if (sliceNaviController)
    sliceNaviController->GetSlice()->SetPos( 2 );


  //*************************************************************************
  // 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();
}