Function main

Examples/Annotation/AnnotationExample.cpp:31–140

#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();

  mitk::StandaloneDataStorage::Pointer ds = mitk::StandaloneDataStorage::New();

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

  // 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();

  // Add Overlays
  //![TextAnnotation2D]
  // Create a textAnnotation2D
  mitk::TextAnnotation2D::Pointer textAnnotation = mitk::TextAnnotation2D::New();

  textAnnotation->SetText("Test!"); // set UTF-8 encoded text to render
  textAnnotation->SetFontSize(40);
  textAnnotation->SetColor(1, 0, 0); // Set text color to red
  textAnnotation->SetOpacity(1);

  // The position of the Annotation can be set to a fixed coordinate on the display.
  mitk::Point2D pos;
  pos[0] = 10;
  pos[1] = 20;
  textAnnotation->SetPosition2D(pos);

  std::string rendererID = renderWindow.GetRenderer()->GetName();

  // The LayoutAnnotationRenderer can place the TextAnnotation2D at some defined corner positions
  mitk::LayoutAnnotationRenderer::AddAnnotation(
    textAnnotation, rendererID, mitk::LayoutAnnotationRenderer::TopLeft, 5, 5, 1);
  //![TextAnnotation2D]

  //![TextAnnotation3D]
  mitk::PointSet::Pointer pointset = mitk::PointSet::New();

  // This vector is used to define an offset for the annotations, in order to show them with a margin to the actual
  // coordinate.
  mitk::Point3D offset;