From 98f9390914fbb7d9102f00b513f1b9d3d4e2e29b Mon Sep 17 00:00:00 2001
From: Dongsheng Zhao <223121194@gehealthcare.com>
Date: Thu, 25 Jan 2024 17:05:48 +0800
Subject: [PATCH] fix: window level range

---
 packages/tools/src/tools/WindowLevelTool.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/tools/src/tools/WindowLevelTool.ts b/packages/tools/src/tools/WindowLevelTool.ts
index 834cc1476a..2826fd0466 100644
--- a/packages/tools/src/tools/WindowLevelTool.ts
+++ b/packages/tools/src/tools/WindowLevelTool.ts
@@ -98,6 +98,11 @@ class WindowLevelTool extends BaseTool {
       });
     }
 
+    // If the range is not valid. Do nothing
+    if (newRange.lower >= newRange.upper) {
+      return;
+    }
+
     viewport.setProperties({
       voiRange: newRange,
     });