From 90960aea0912b8042f9ad82171438269b68cd65e Mon Sep 17 00:00:00 2001
From: "Emanuel F. Oliveira" <emfolg@gmail.com>
Date: Tue, 8 Nov 2016 20:32:51 -0200
Subject: [PATCH] OHIF-20 Conditional update of multi-frame meta data.

---
 Packages/viewerbase/lib/metaDataProvider.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Packages/viewerbase/lib/metaDataProvider.js b/Packages/viewerbase/lib/metaDataProvider.js
index ba6b0f367..1150cf4c9 100644
--- a/Packages/viewerbase/lib/metaDataProvider.js
+++ b/Packages/viewerbase/lib/metaDataProvider.js
@@ -104,7 +104,10 @@ updateMetaData = function(image) {
     imageMetaData.instance.frameIncrementPointer = imageMetaData.instance.frameIncrementPointer || image.data.string('x00280009');
     imageMetaData.instance.frameTime = imageMetaData.instance.frameTime || image.data.string('x00181063');
     imageMetaData.instance.frameTimeVector = imageMetaData.instance.frameTimeVector || image.data.string('x00181065');
-    imageMetaData.instance.multiframeMetadata = getMultiframeModuleMetaData(image.data);
+
+    if (!imageMetaData.instance.multiframeMetadata) {
+        imageMetaData.instance.multiframeMetadata = getMultiframeModuleMetaData(image.data);
+    }
 
     imageMetaData.imagePlane = imageMetaData.imagePlane || getImagePlane(imageMetaData.instance);
 };