From b4afdefcb3dc0b69f6ad779c132232fe67f3aeba Mon Sep 17 00:00:00 2001
From: Erik Ziegler <erik.sweed@gmail.com>
Date: Mon, 23 Mar 2020 14:01:05 +0100
Subject: [PATCH] fix: Unset voiLUT when using WWWC or WWWCRegion tool (#1198)

---
 src/tools/WwwcRegionTool.js | 3 +++
 src/tools/WwwcTool.js       | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/tools/WwwcRegionTool.js b/src/tools/WwwcRegionTool.js
index fdb9a8a0b..2250eea1c 100644
--- a/src/tools/WwwcRegionTool.js
+++ b/src/tools/WwwcRegionTool.js
@@ -220,6 +220,9 @@ const _applyWWWCRegion = function(evt, config) {
   );
   viewport.voi.windowCenter = minMaxMean.mean;
 
+  // Unset any existing VOI LUT
+  viewport.voiLUT = undefined;
+
   external.cornerstone.setViewport(element, viewport);
   external.cornerstone.updateImage(element);
 };
diff --git a/src/tools/WwwcTool.js b/src/tools/WwwcTool.js
index 2819aab65..8af6010e9 100644
--- a/src/tools/WwwcTool.js
+++ b/src/tools/WwwcTool.js
@@ -71,4 +71,7 @@ function basicLevelingStrategy(evt) {
     eventData.viewport.voi.windowWidth += deltaY;
     eventData.viewport.voi.windowCenter += deltaX;
   }
+
+  // Unset any existing VOI LUT
+  eventData.viewport.voiLUT = undefined;
 }