From 6508c4e9b77d34d2eb9bae63e8185be54d783187 Mon Sep 17 00:00:00 2001
From: Andrew Heather <a.heather@opencfd.co.uk>
Date: Tue, 6 Dec 2016 09:17:54 +0000
Subject: [PATCH] ENH: runTime pp - new zoom entry now optional

---
 .../graphics/runTimePostProcessing/scene.C           | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/functionObjects/graphics/runTimePostProcessing/scene.C b/src/functionObjects/graphics/runTimePostProcessing/scene.C
index 95ab189f5f..4af8b0d0e8 100644
--- a/src/functionObjects/graphics/runTimePostProcessing/scene.C
+++ b/src/functionObjects/graphics/runTimePostProcessing/scene.C
@@ -103,7 +103,17 @@ void Foam::functionObjects::runTimePostPro::scene::readCamera
         }
     }
 
-    cameraZoom_ = Function1<scalar>::New("zoom", dict);
+    if (dict.found("zoom"))
+    {
+        cameraZoom_ = Function1<scalar>::New("zoom", dict);
+    }
+    else
+    {
+        cameraZoom_.reset
+        (
+            new Function1Types::Constant<scalar>("zoom", 1.0)
+        );
+    }
 }