From 7f95c1284a847e02e310509920968c560089fcd6 Mon Sep 17 00:00:00 2001
From: dannyrb <danny.ri.brown@gmail.com>
Date: Sat, 8 Jun 2019 15:12:19 -0400
Subject: [PATCH] fix: command direction for previousViewportDisplaySet

---
 src/appCommands/cornerstone.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/appCommands/cornerstone.js b/src/appCommands/cornerstone.js
index 53e6ea7cc..110dda402 100644
--- a/src/appCommands/cornerstone.js
+++ b/src/appCommands/cornerstone.js
@@ -163,7 +163,7 @@ const definitions = {
   previousViewportDisplaySet: {
     commandFn: actions.updateViewportDisplaySet,
     storeContexts: [],
-    options: { direction: 1 },
+    options: { direction: -1 },
   },
   // TOOLS
   setZoomTool: {