From b8ae92c2d4f733b3ca89826118029685650b396a Mon Sep 17 00:00:00 2001
From: Michael Andersen <32403382+Michael-Andersen@users.noreply.github.com>
Date: Mon, 26 Jul 2021 07:35:37 -0400
Subject: [PATCH] fix: changed new image handler conditional for 0 edge case
 (#2338)

Co-authored-by: Michael Andersen <Michael.Andersen@rmp.uhn.ca>
Co-authored-by: Erik Ziegler <erik.sweed@gmail.com>
---
 extensions/cornerstone/src/OHIFCornerstoneViewport.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extensions/cornerstone/src/OHIFCornerstoneViewport.js b/extensions/cornerstone/src/OHIFCornerstoneViewport.js
index b2c7d9eb900..d0b14c7e39d 100644
--- a/extensions/cornerstone/src/OHIFCornerstoneViewport.js
+++ b/extensions/cornerstone/src/OHIFCornerstoneViewport.js
@@ -180,7 +180,7 @@ class OHIFCornerstoneViewport extends Component {
 
     if (
       displaySet.displaySetInstanceUID !==
-        prevDisplaySet.displaySetInstanceUID ||
+      prevDisplaySet.displaySetInstanceUID ||
       displaySet.SOPInstanceUID !== prevDisplaySet.SOPInstanceUID ||
       displaySet.frameIndex !== prevDisplaySet.frameIndex
     ) {
@@ -221,7 +221,7 @@ class OHIFCornerstoneViewport extends Component {
       const { displaySet } = this.props.viewportData;
       const { StudyInstanceUID } = displaySet;
 
-      if (currentImageIdIndex > 0) {
+      if (currentImageIdIndex >= 0) {
         this.props.onNewImage({
           StudyInstanceUID,
           SOPInstanceUID: sopInstanceUid,