Merge pull request #9889 from IgWod:add-const-getviewerpose

modules/viz/src/vizimpl.cpp

@@ -509,7 +509,7 @@ void cv::viz::Viz3d::VizImpl::setViewerPose(const Affine3d &pose)
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////////
-cv::Affine3d cv::viz::Viz3d::VizImpl::getViewerPose()
+cv::Affine3d cv::viz::Viz3d::VizImpl::getViewerPose() const
 {
     vtkCamera& camera = *renderer_->GetActiveCamera();
 

modules/viz/src/vizimpl.hpp

@@ -88,7 +88,7 @@ public:
     void resetCamera();
 
     void setViewerPose(const Affine3d &pose);
-    Affine3d getViewerPose();
+    Affine3d getViewerPose() const;
 
     void convertToWindowCoordinates(const Point3d &pt, Point3d &window_coord);
     void converTo3DRay(const Point3d &window_coord, Point3d &origin, Vec3d &direction);