VTK/Examples/Cxx/IO/ReadDICOM

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VTK Examples Baseline IO TestReadDICOM.png

This example reads a DICOM file and displays it on the screen. Here is an example data set.

See also: VTK/Examples/Cxx/IO/ReadDICOMSeries and VTK/Examples/Cxx/IO/ExportDICOMtoVTI.

ReadDICOM.cxx

#include <vtkSmartPointer.h>
#include <vtkImageViewer2.h>
#include <vtkDICOMImageReader.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>

int main(int argc, char* argv[])
{
  // Verify input arguments
  if ( argc != 2 )
    {
    std::cout << "Usage: " << argv[0]
              << " Filename(.img)" << std::endl;
    return EXIT_FAILURE;
    }
    
  std::string inputFilename = argv[1];
  
  // Read all the DICOM files in the specified directory.
  vtkSmartPointer<vtkDICOMImageReader> reader =
    vtkSmartPointer<vtkDICOMImageReader>::New();
  reader->SetFileName(inputFilename.c_str());
  reader->Update();

  // Visualize
  vtkSmartPointer<vtkImageViewer2> imageViewer =
    vtkSmartPointer<vtkImageViewer2>::New();
  imageViewer->SetInputConnection(reader->GetOutputPort());
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  imageViewer->SetupInteractor(renderWindowInteractor);
  imageViewer->Render();
  imageViewer->GetRenderer()->ResetCamera();
  imageViewer->Render();

  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}


Please try the new VTKExamples website.

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(ReadDICOM)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(ReadDICOM MACOSX_BUNDLE ReadDICOM.cxx)

if(VTK_LIBRARIES)
  target_link_libraries(ReadDICOM ${VTK_LIBRARIES})
else()
  target_link_libraries(ReadDICOM vtkHybrid vtkWidgets)
endif()

Download and Build ReadDICOM

Click here to download ReadDICOM. and its CMakeLists.txt file.

Once the tarball ReadDICOM.tar has been downloaded and extracted,

cd ReadDICOM/build 
  • If VTK is installed:
cmake ..
  • If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

make

and run it:

./ReadDICOM

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.