VTK/Examples/Cxx/Visualization/CloseWindow

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VTK Examples Baseline Visualization TestCloseWindow.png

CloseWindow.cxx

This example shows how to close a render window. Pressing any key will close the window, stop the interactor and open a new window.

#include <vtkSmartPointer.h>
 
#include <vtkActor.h>
#include <vtkCallbackCommand.h>
#include <vtkCommand.h>
#include <vtkCubeSource.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
 
void KeypressCallbackFunction (
  vtkObject* caller,
  long unsigned int eventId,
  void* clientData,
  void* callData );
 
int main(int, char *[])
{
  vtkSmartPointer<vtkCubeSource> cubeSource = 
    vtkSmartPointer<vtkCubeSource>::New();
  cubeSource->Update();
 
  // Create a mapper and actor
  vtkSmartPointer<vtkPolyDataMapper> mapper = 
    vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(cubeSource->GetOutputPort());
 
  vtkSmartPointer<vtkActor> actor = 
    vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);
 
  // Create a renderer, render window, and interactor
  vtkSmartPointer<vtkRenderer> renderer = 
    vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow = 
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
  vtkSmartPointer<vtkCallbackCommand> keypressCallback = 
    vtkSmartPointer<vtkCallbackCommand>::New();
  keypressCallback->SetCallback ( KeypressCallbackFunction );
  renderWindowInteractor->AddObserver (
    vtkCommand::KeyPressEvent,
    keypressCallback );
 
  // Add the actor to the scene
  renderer->AddActor(actor);
 
  // Render and interact
  renderWindow->Render();
  renderWindow->SetWindowName("First Window");
  renderWindowInteractor->Start();
 
  std::cout << "Window 1 closed..." << std::endl;
 
  // Make another interactor, but use the same render window
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor2 = 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor2->AddObserver (
    vtkCommand::KeyPressEvent, keypressCallback );
 
  renderWindowInteractor2->SetRenderWindow(renderWindow);
  renderWindow->Render();
  renderWindow->SetWindowName("Second Window");
 
  renderWindowInteractor2->Start();
  std::cout << "Window 2 closed. Exiting..." << std::endl;
 
  return EXIT_SUCCESS;
}
 
void KeypressCallbackFunction (
  vtkObject* caller,
  long unsigned int vtkNotUsed(eventId),
  void* vtkNotUsed(clientData),
  void* vtkNotUsed(callData) )
{
 
  vtkRenderWindowInteractor *iren = 
    static_cast<vtkRenderWindowInteractor*>(caller);
  // Close the window
  iren->GetRenderWindow()->Finalize();
 
  // Stop the interactor
  iren->TerminateApp();
  std::cout << "Closing window..." << std::endl;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
 
PROJECT(CloseWindow)
 
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
 
add_executable(CloseWindow MACOSX_BUNDLE CloseWindow.cxx)
 
if(VTK_LIBRARIES)
  target_link_libraries(CloseWindow ${VTK_LIBRARIES})
else()
  target_link_libraries(CloseWindow vtkHybrid vtkWidgets)
endif()

Download and Build CloseWindow

Click here to download CloseWindow. and its CMakeLists.txt file.

Once the tarball CloseWindow.tar has been downloaded and extracted,

cd CloseWindow/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:

./CloseWindow

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.


Different object/background color.