MetaImageWriter
VTKExamples/Cxx/IO/MetaImageWriter
Code¶
MetaImageWriter.cxx
// some standard vtk headers #include <vtkSmartPointer.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderer.h> // headers needed for this example #include <vtkImageData.h> #include <vtkImageMapper3D.h> #include <vtkImageCast.h> #include <vtkMetaImageWriter.h> #include <vtkMetaImageReader.h> #include <vtkImageMandelbrotSource.h> #include <vtkImageActor.h> int main(int, char *[]) { // adapt path ! std::string filePath = "julia_mha.mhd"; std::string filePathRaw = "julia_mha.raw"; // Create an image vtkSmartPointer<vtkImageMandelbrotSource> source = vtkSmartPointer<vtkImageMandelbrotSource>::New(); vtkSmartPointer<vtkImageCast> castFilter = vtkSmartPointer<vtkImageCast>::New(); castFilter->SetOutputScalarTypeToUnsignedChar(); castFilter->SetInputConnection(source->GetOutputPort()); castFilter->Update(); vtkSmartPointer<vtkMetaImageWriter> writer = vtkSmartPointer<vtkMetaImageWriter>::New(); 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 vtkSmartPointer<vtkMetaImageReader> reader = vtkSmartPointer<vtkMetaImageReader>::New(); reader->SetFileName(filePath.c_str()); reader->Update(); vtkSmartPointer<vtkImageActor> actor = vtkSmartPointer<vtkImageActor>::New(); actor->GetMapper()->SetInputConnection(reader->GetOutputPort()); vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renderWindowInteractor->SetRenderWindow(renderWindow); renderer->AddActor(actor); renderer->SetBackground(.2, .3, .4); renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(MetaImageWriter) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(MetaImageWriter MACOSX_BUNDLE MetaImageWriter.cxx) target_link_libraries(MetaImageWriter ${VTK_LIBRARIES})
Download and Build MetaImageWriter¶
Danger
The generation of tar files has not been ported to the new VTKExamples. Some tarballs may be missing or out-of-date.
Click here to download MetaImageWriter and its CMakeLists.txt file. Once the tarball MetaImageWriter.tar has been downloaded and extracted,
cd MetaImageWriter/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:
./MetaImageWriter
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.