closing window

modules/viz/include/opencv2/viz/viz3d.hpp

@@ -105,6 +105,7 @@ namespace cv
             void spin();
             void spinOnce(int time = 1, bool force_redraw = false);
             bool wasStopped() const;
+            void close();
 
             void registerKeyboardCallback(KeyboardCallback callback, void* cookie = 0);
             void registerMouseCallback(MouseCallback callback, void* cookie = 0);

modules/viz/src/viz3d.cpp

@@ -101,6 +101,7 @@ void cv::viz::Viz3d::release()
 void cv::viz::Viz3d::spin() { impl_->spin(); }
 void cv::viz::Viz3d::spinOnce(int time, bool force_redraw) { impl_->spinOnce(time, force_redraw); }
 bool cv::viz::Viz3d::wasStopped() const { return impl_->wasStopped(); }
+void cv::viz::Viz3d::close() { impl_->close(); }
 
 void cv::viz::Viz3d::registerKeyboardCallback(KeyboardCallback callback, void* cookie)
 { impl_->registerKeyboardCallback(callback, cookie); }

modules/viz/src/vizimpl.cpp

@@ -104,6 +104,7 @@ void cv::viz::Viz3d::VizImpl::close()
         return;
     interactor_->GetRenderWindow()->Finalize();
     interactor_->TerminateApp(); // This tends to close the window...
+    interactor_ = 0;
 }
 
 void cv::viz::Viz3d::VizImpl::recreateRenderWindow()