Merge pull request PointCloudLibrary#457 from billmuch/master

added setWindowPosition and setWindowName to PCLPlotter

visualization/include/pcl/visualization/pcl_plotter.h

@@ -355,6 +355,19 @@ namespace pcl
         void
         setWindowSize (int w, int h);
 
+        /** \brief Set the position in screen coordinates.
+        * \param[in] x where to move the window to (X)
+        * \param[in] y where to move the window to (Y)
+        */
+        void
+        setWindowPosition (int x, int y);
+
+        /** \brief Set the visualizer window name.
+        * \param[in] name the name of the window
+        */
+        void
+        setWindowName (const std::string &name);
+
         /** \brief set/get method for the window size.
           * \return[in] array containing the width and height of the window
           */
@@ -392,7 +405,9 @@ namespace pcl
         //extra state variables
         int current_plot_;          //stores the id of the current (most recent) plot, used in automatic coloring and other state change schemes 
         int win_width_, win_height_;
+        int win_x_, win_y_; //window position according to screen coordinate
         double bkg_color_[3];
+        std::string win_name_;
 
         //####event callback class####
         struct ExitMainLoopTimerCallback : public vtkCommand

visualization/src/pcl_plotter.cpp

@@ -80,9 +80,12 @@ pcl::visualization::PCLPlotter::PCLPlotter (char const *name)
   //initializing default state values
   win_width_ = 640;
   win_height_ = 480;
+  win_x_ = 0;
+  win_y_ = 0;
   bkg_color_[0] = 1; bkg_color_[1] = 1; bkg_color_[2] = 1;
   current_plot_ = -1;
   color_series_->SetColorScheme (vtkColorSeries::SPECTRUM);
+  win_name_ = "PCL Plotter";
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -394,9 +397,12 @@ pcl::visualization::PCLPlotter::plot ()
   //apply current states
   view_->GetRenderer ()->SetBackground (bkg_color_[0], bkg_color_[1], bkg_color_[2]);
   view_->GetRenderWindow ()->SetSize (win_width_, win_height_);
-
+  view_->GetRenderWindow ()->SetPosition (win_x_, win_y_);
   view_->GetInteractor ()->Initialize ();
-  view_->GetRenderWindow ()->Render();
+
+  //according to vtk bug 976, SetWindowName must be called after RenderWindow Initialize();
+  view_->GetRenderWindow ()->SetWindowName (win_name_.c_str());
+  view_->GetRenderWindow ()->Render ();
   view_->GetInteractor ()->Start ();
 }
 
@@ -544,6 +550,21 @@ pcl::visualization::PCLPlotter::getWindowSize ()
   return (sz);
 }
 
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+void
+pcl::visualization::PCLPlotter::setWindowPosition (int x, int y)
+{
+    win_x_ = x;
+    win_y_ = y;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+void
+pcl::visualization::PCLPlotter::setWindowName (const std::string &name)
+{
+    win_name_ = name;
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 void
 pcl::visualization::PCLPlotter::startInteractor ()