cv::viz::get(window_name) implementation

modules/viz/src/viz.cpp

@@ -112,7 +112,11 @@ cv::viz::VizAccessor * cv::viz::VizAccessor::getInstance()
 
 cv::viz::Viz3d cv::viz::VizAccessor::get(const String & window_name)
 {
-    VizMap::iterator vm_itr = viz_map_.find(window_name);
+    // Add the prefix Viz
+    String name("Viz");
+    name = window_name.empty() ? name : name + " - " + window_name;
+    
+    VizMap::iterator vm_itr = viz_map_.find(name);
     bool exists = vm_itr != viz_map_.end();
     if (exists) return vm_itr->second;
     else return viz_map_.insert(VizPair(window_name, Viz3d(window_name))).first->second;

modules/viz/src/viz3d.cpp

@@ -28,13 +28,14 @@ void cv::viz::Viz3d::create(const String &window_name)
     impl_ = new VizImpl(window_name);
     impl_->ref_counter = 1;
     // Register the window
-//     cv::viz::VizAccessor::getInstance()->add(*this);
+    cv::viz::VizAccessor::getInstance()->add(*this);
 }
 
 void cv::viz::Viz3d::release()
 {
     if (impl_ && CV_XADD(&impl_->ref_counter, -1) == 1)
     {
+        // Erase the window
         cv::viz::VizAccessor::getInstance()->remove(getWindowName());
         delete impl_;
         impl_ = 0;

modules/viz/src/viz3d_impl.cpp

@@ -83,10 +83,8 @@ cv::viz::Viz3d::VizImpl::VizImpl (const std::string &name)
 /////////////////////////////////////////////////////////////////////////////////////////////
 cv::viz::Viz3d::VizImpl::~VizImpl ()
 {
-    if (interactor_ != NULL)
+    if (interactor_) 
         interactor_->DestroyTimer(timer_id_);
-
-    if (renderer_) renderer_->Clear();
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////////