MetaImageWriter

#include <vtkImageActor.h>
#include <vtkImageCast.h>
#include <vtkImageMandelbrotSource.h>
#include <vtkImageMapper3D.h>
#include <vtkMetaImageReader.h>
#include <vtkMetaImageWriter.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>

int main(int, char*[])
{
  vtkNew<vtkNamedColors> colors;

  // adapt path !
  std::string filePath = "julia_mha.mhd";
  std::string filePathRaw = "julia_mha.raw";
  // Create an image
  vtkNew<vtkImageMandelbrotSource> source;

  vtkNew<vtkImageCast> castFilter;
  castFilter->SetOutputScalarTypeToUnsignedChar();
  castFilter->SetInputConnection(source->GetOutputPort());
  castFilter->Update();

  vtkNew<vtkMetaImageWriter> writer;
  writer->SetInputConnection(castFilter->GetOutputPort());
  writer->SetFileName(filePath.c_str());
  writer->SetRAWFileName(filePathRaw.c_str());
  writer->Write();

  // Read and display file for verification that it was written correctly
  vtkNew<vtkMetaImageReader> reader;
  reader->SetFileName(filePath.c_str());
  reader->Update();

  vtkNew<vtkImageActor> actor;
  actor->GetMapper()->SetInputConnection(reader->GetOutputPort());

  vtkNew<vtkRenderer> renderer;
  vtkNew<vtkRenderWindow> renderWindow;
  renderWindow->AddRenderer(renderer);
  vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
  renderWindowInteractor->SetRenderWindow(renderWindow);

  renderer->AddActor(actor);
  renderer->SetBackground(colors->GetColor3d("SteelBlue").GetData());

  renderWindow->SetWindowName("MetaImageWriter");
  renderWindow->Render();
  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(MetaImageWriter)

find_package(VTK COMPONENTS 
  CommonColor
  CommonCore
  IOImage
  ImagingCore
  ImagingSources
  InteractionStyle
  RenderingContextOpenGL2
  RenderingCore
  RenderingFreeType
  RenderingGL2PSOpenGL2
  RenderingOpenGL2
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "MetaImageWriter: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
add_executable(MetaImageWriter MACOSX_BUNDLE MetaImageWriter.cxx )
  target_link_libraries(MetaImageWriter PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS MetaImageWriter
  MODULES ${VTK_LIBRARIES}
)

cd MetaImageWriter/build

cmake ..

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

make

./MetaImageWriter