From d7cbe6e947ed894ed61dddcc3cf0804982b4e3b8 Mon Sep 17 00:00:00 2001
From: Igor Wodiany <igor.wodiany@gmail.com>
Date: Thu, 19 Oct 2017 22:05:49 +0100
Subject: [PATCH] Add const to getViewerPose()

getViewerPose() doesn't modify an object of the class so it can be
made const. It also makes this method consistent with other getters
in the class as they are defined as const.
---
 modules/viz/src/vizimpl.cpp | 2 +-
 modules/viz/src/vizimpl.hpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/viz/src/vizimpl.cpp b/modules/viz/src/vizimpl.cpp
index a927ca65ac..b9cdc91ced 100644
--- a/modules/viz/src/vizimpl.cpp
+++ b/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();
 
diff --git a/modules/viz/src/vizimpl.hpp b/modules/viz/src/vizimpl.hpp
index 65edffb3dc..d3e7f17350 100644
--- a/modules/viz/src/vizimpl.hpp
+++ b/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);