MetaImageReader
VTKExamples/Cxx/IO/MetaImageReader
Code¶
MetaImageReader.cxx
#include <vtkImageData.h> #include <vtkMetaImageReader.h> #include <vtkSmartPointer.h> #include <vtkInteractorStyleImage.h> #include <vtkRenderer.h> #include <vtkImageActor.h> #include <vtkImageMapper3D.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> int main(int argc, char *argv[]) { std::string inputFilename; if(argc < 2) { std::cerr << "Required arguments: image.mha" << std::endl; return EXIT_FAILURE; } inputFilename = argv[1]; vtkSmartPointer<vtkMetaImageReader> reader = vtkSmartPointer<vtkMetaImageReader>::New(); reader->SetFileName(inputFilename.c_str()); reader->Update(); // Visualize vtkSmartPointer<vtkImageActor> actor = vtkSmartPointer<vtkImageActor>::New(); actor->GetMapper()->SetInputConnection(reader->GetOutputPort()); vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); renderer->AddActor(actor); renderer->ResetCamera(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); vtkSmartPointer<vtkInteractorStyleImage> style = vtkSmartPointer<vtkInteractorStyleImage>::New(); renderWindowInteractor->SetInteractorStyle(style); renderWindowInteractor->SetRenderWindow(renderWindow); renderWindowInteractor->Initialize(); renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(MetaImageReader) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(MetaImageReader MACOSX_BUNDLE MetaImageReader.cxx) target_link_libraries(MetaImageReader ${VTK_LIBRARIES})
Download and Build MetaImageReader¶
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 Some tarballs may be missing or out-of-date.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 MetaImageReader and its CMakeLists.txt file. Once the tarball MetaImageReader.tar has been downloaded and extracted,
cd MetaImageReader/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:
./MetaImageReader
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.