WriteTIFF
VTKExamples/Cxx/IO/WriteTIFF
Code¶
WriteTIFF.cxx
#include <vtkImageData.h> #include <vtkInteractorStyleImage.h> #include <vtkTIFFWriter.h> #include <vtkSmartPointer.h> #include <vtkImageCanvasSource2D.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderer.h> #include <vtkImageActor.h> #include <vtkImageMapper3D.h> #include <vtkTIFFReader.h> int main(int argc, char *argv[]) { if(argc != 2) { std::cout << "Required parameters: OutputFilename.tif" << std::endl; return EXIT_FAILURE; } std::string filename = argv[1]; vtkSmartPointer<vtkImageCanvasSource2D> imageSource = vtkSmartPointer<vtkImageCanvasSource2D>::New(); imageSource->SetScalarTypeToUnsignedChar(); imageSource->SetExtent(0,9,0,9,0,0); imageSource->SetNumberOfScalarComponents(3); imageSource->SetDrawColor(0, 0, 0, 0); imageSource->FillBox(0,9,0,9); imageSource->SetDrawColor(255, 0, 0, 0); imageSource->FillBox(5,7,5,7); imageSource->Update(); vtkSmartPointer<vtkTIFFWriter> tiffWriter = vtkSmartPointer<vtkTIFFWriter>::New(); tiffWriter->SetFileName(filename.c_str()); tiffWriter->SetInputConnection(imageSource->GetOutputPort()); tiffWriter->Write(); // Read and display for verification vtkSmartPointer<vtkTIFFReader> reader = vtkSmartPointer<vtkTIFFReader>::New(); reader->SetFileName(filename.c_str()); reader->Update(); vtkSmartPointer<vtkImageActor> actor = vtkSmartPointer<vtkImageActor>::New(); actor->GetMapper()->SetInputConnection(reader->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(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(WriteTIFF) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(WriteTIFF MACOSX_BUNDLE WriteTIFF.cxx) target_link_libraries(WriteTIFF ${VTK_LIBRARIES})
Download and Build WriteTIFF¶
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 WriteTIFF and its CMakeLists.txt file. Once the tarball WriteTIFF.tar has been downloaded and extracted,
cd WriteTIFF/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:
./WriteTIFF
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.