SideBySideViewports
VTKExamples/Cxx/Visualization/SideBySideViewports
Description¶
This example splits the window into a left and right side. A sphere is drawn on the left and a cube is drawn on the right.
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See (Java)
Question
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Code¶
SideBySideViewports.cxx
#include <vtkSmartPointer.h> #include <vtkActor.h> #include <vtkCamera.h> #include <vtkCubeSource.h> #include <vtkPoints.h> #include <vtkPolyData.h> #include <vtkPolyDataMapper.h> #include <vtkProperty.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderer.h> #include <vtkSphereSource.h> #include <vtkVertexGlyphFilter.h> #include <vtkXMLPolyDataReader.h> int main(int, char*[]) { // Setup sphere vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New(); sphereSource->Update(); vtkSmartPointer<vtkPolyDataMapper> sphereMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); sphereMapper->SetInputConnection(sphereSource->GetOutputPort()); vtkSmartPointer<vtkActor> sphereActor = vtkSmartPointer<vtkActor>::New(); sphereActor->SetMapper(sphereMapper); // Setup cube vtkSmartPointer<vtkCubeSource> cubeSource = vtkSmartPointer<vtkCubeSource>::New(); cubeSource->Update(); vtkSmartPointer<vtkPolyDataMapper> cubeMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); cubeMapper->SetInputConnection(cubeSource->GetOutputPort()); vtkSmartPointer<vtkActor> cubeActor = vtkSmartPointer<vtkActor>::New(); cubeActor->SetMapper(cubeMapper); cubeActor->GetProperty()->SetDiffuseColor(.3, .6, .4); // There will be one render window vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->SetSize(600, 300); // And one interactor vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); interactor->SetRenderWindow(renderWindow); // Define viewport ranges // (xmin, ymin, xmax, ymax) double leftViewport[4] = {0.0, 0.0, 0.5, 1.0}; double rightViewport[4] = {0.5, 0.0, 1.0, 1.0}; // Setup both renderers vtkSmartPointer<vtkRenderer> leftRenderer = vtkSmartPointer<vtkRenderer>::New(); renderWindow->AddRenderer(leftRenderer); leftRenderer->SetViewport(leftViewport); leftRenderer->SetBackground(.6, .5, .4); vtkSmartPointer<vtkRenderer> rightRenderer = vtkSmartPointer<vtkRenderer>::New(); renderWindow->AddRenderer(rightRenderer); rightRenderer->SetViewport(rightViewport); rightRenderer->SetBackground(.4, .5, .6); // Add the sphere to the left and the cube to the right leftRenderer->AddActor(sphereActor); rightRenderer->AddActor(cubeActor); leftRenderer->ResetCamera(); rightRenderer->ResetCamera(); rightRenderer->GetActiveCamera()->Azimuth(30); rightRenderer->GetActiveCamera()->Elevation(30); renderWindow->Render(); interactor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.3 FATAL_ERROR) project(SideBySideViewports) find_package(VTK COMPONENTS vtkCommonCore vtkCommonDataModel vtkFiltersGeneral vtkFiltersSources vtkIOXML vtkInteractionStyle vtkRenderingCore vtkRenderingFreeType vtkRenderingOpenGL2 QUIET) if (NOT VTK_FOUND) message("Skipping SideBySideViewports: ${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(SideBySideViewports MACOSX_BUNDLE SideBySideViewports.cxx ) target_link_libraries(SideBySideViewports PRIVATE ${VTK_LIBRARIES}) else () # include all components add_executable(SideBySideViewports MACOSX_BUNDLE SideBySideViewports.cxx ) target_link_libraries(SideBySideViewports PRIVATE ${VTK_LIBRARIES}) # vtk_module_autoinit is needed vtk_module_autoinit( TARGETS SideBySideViewports MODULES ${VTK_LIBRARIES} ) endif ()
Download and Build SideBySideViewports¶
Click here to download SideBySideViewports and its CMakeLists.txt file. Once the tarball SideBySideViewports.tar has been downloaded and extracted,
cd SideBySideViewports/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:
./SideBySideViewports
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.