ImageReader2Factory
VTKExamples/Cxx/IO/ImageReader2Factory
Code¶
ImageReader2Factory.cxx
#include <vtkSmartPointer.h> #include <vtkImageReader2Factory.h> #include <vtkImageReader2.h> #include <vtkImageData.h> #include <vtkImageMapper3D.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkInteractorStyleImage.h> #include <vtkRenderer.h> #include <vtkImageActor.h> int main(int argc, char *argv[]) { // Verify command line arguments if(argc < 2) { std::cout << "Usage: " << argv[0] << " InputFilename" << std::endl; return EXIT_FAILURE; } // Parse command line arguments std::string inputFilename = argv[1]; // Read file vtkSmartPointer<vtkImageReader2Factory> readerFactory = vtkSmartPointer<vtkImageReader2Factory>::New(); vtkImageReader2 * imageReader = readerFactory->CreateImageReader2(inputFilename.c_str()); imageReader->SetFileName(inputFilename.c_str()); imageReader->Update(); // Create an actor vtkSmartPointer<vtkImageActor> actor = vtkSmartPointer<vtkImageActor>::New(); actor->GetMapper()->SetInputConnection( imageReader->GetOutputPort()); // Setup renderer vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); renderer->AddActor(actor); renderer->ResetCamera(); // Setup render window vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); // Setup render window interactor vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); vtkSmartPointer<vtkInteractorStyleImage> style = vtkSmartPointer<vtkInteractorStyleImage>::New(); renderWindowInteractor->SetInteractorStyle(style); // Render and start interaction renderWindowInteractor->SetRenderWindow(renderWindow); renderWindowInteractor->Initialize(); renderWindowInteractor->Start(); imageReader->Delete(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(ImageReader2Factory) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(ImageReader2Factory MACOSX_BUNDLE ImageReader2Factory.cxx) target_link_libraries(ImageReader2Factory ${VTK_LIBRARIES})
Download and Build ImageReader2Factory¶
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 Some tarballs may be missing or out-of-date.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 ImageReader2Factory and its CMakeLists.txt file. Once the tarball ImageReader2Factory.tar has been downloaded and extracted,
cd ImageReader2Factory/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:
./ImageReader2Factory
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.