From 65fbd5933b3f0acd5a532779fce42c2b29f8fd1d Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 14 Aug 2016 16:46:58 +0200
Subject: [PATCH] make code more readable

---
 src/Mod/Sketcher/Gui/ViewProviderSketch.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
index c292e1b568dc..df85bf554802 100644
--- a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
+++ b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
@@ -2942,7 +2942,9 @@ float ViewProviderSketch::getScaleFactor()
     Gui::MDIView *mdi = this->getEditingView();
     if (mdi && mdi->isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
         Gui::View3DInventorViewer *viewer = static_cast<Gui::View3DInventor *>(mdi)->getViewer();
-        return viewer->getSoRenderManager()->getCamera()->getViewVolume(viewer->getSoRenderManager()->getCamera()->aspectRatio.getValue()).getWorldToScreenScale(SbVec3f(0.f, 0.f, 0.f), 0.1f) / 3;
+        SoCamera* camera = viewer->getSoRenderManager()->getCamera();
+        float scale = camera->getViewVolume(camera->aspectRatio.getValue()).getWorldToScreenScale(SbVec3f(0.f, 0.f, 0.f), 0.1f) / 3;
+        return scale;
     }
     else {
         return 1.f;