ImagePlaneWidget
VTKExamples/Cxx/Widgets/ImagePlaneWidget
Code¶
ImagePlaneWidget.cxx
#include <vtkPolyDataMapper.h> #include <vtkActor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkRenderWindowInteractor.h> #include <vtkPolyData.h> #include <vtkSmartPointer.h> #include <vtkSphereSource.h> #include <vtkImagePlaneWidget.h> #include <vtkInteractorStyleTrackballActor.h> #include <vtkInteractorStyleTrackballCamera.h> int main(int, char *[]) { vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New(); sphereSource->Update(); // Create a mapper and actor vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(sphereSource->GetOutputPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); // A renderer and render window vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); renderer->AddActor(actor); // An interactor vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renderWindowInteractor->SetRenderWindow(renderWindow); //vtkSmartPointer<vtkInteractorStyleTrackballActor> style = //vtkSmartPointer<vtkInteractorStyleTrackballActor>::New(); vtkSmartPointer<vtkInteractorStyleTrackballCamera> style = vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New(); renderWindowInteractor->SetInteractorStyle( style ); vtkSmartPointer<vtkImagePlaneWidget> planeWidget = vtkSmartPointer<vtkImagePlaneWidget>::New(); planeWidget->SetInteractor(renderWindowInteractor); planeWidget->TextureVisibilityOff(); double origin[3] = {0, 1,0}; planeWidget->SetOrigin(origin); planeWidget->UpdatePlacement(); // Render renderWindow->Render(); renderWindowInteractor->Initialize(); renderWindow->Render(); planeWidget->On(); // Begin mouse interaction renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.3 FATAL_ERROR) project(ImagePlaneWidget) find_package(VTK COMPONENTS vtkCommonCore vtkCommonDataModel vtkFiltersSources vtkInteractionStyle vtkInteractionWidgets vtkRenderingCore vtkRenderingFreeType vtkRenderingOpenGL2 QUIET) if (NOT VTK_FOUND) message("Skipping ImagePlaneWidget: ${VTK_NOT_FOUND_MESSAGE}") return () endif() message (STATUS "VTK_VERSION: ${VTK_VERSION}") if (VTK_VERSION VERSION_LESS "8.90.0") # old system include(${VTK_USE_FILE}) add_executable(ImagePlaneWidget MACOSX_BUNDLE ImagePlaneWidget.cxx ) target_link_libraries(ImagePlaneWidget PRIVATE ${VTK_LIBRARIES}) else () # include all components add_executable(ImagePlaneWidget MACOSX_BUNDLE ImagePlaneWidget.cxx ) target_link_libraries(ImagePlaneWidget PRIVATE ${VTK_LIBRARIES}) # vtk_module_autoinit is needed vtk_module_autoinit( TARGETS ImagePlaneWidget MODULES ${VTK_LIBRARIES} ) endif ()
Download and Build ImagePlaneWidget¶
Click here to download ImagePlaneWidget and its CMakeLists.txt file. Once the tarball ImagePlaneWidget.tar has been downloaded and extracted,
cd ImagePlaneWidget/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:
./ImagePlaneWidget
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.