From 5710686a4b273413e5f943a9e6468be812a7ac54 Mon Sep 17 00:00:00 2001
From: cconopoima <cesar.conopoima@gmail.com>
Date: Thu, 30 Mar 2023 11:56:05 -0300
Subject: [PATCH] [bos #34270] Fix Length 2D control still displayed after mesh
 cleared on hypothesis change

---
 src/OBJECT/SMESH_Actor.cxx | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/OBJECT/SMESH_Actor.cxx b/src/OBJECT/SMESH_Actor.cxx
index d9e47586c..b5f8aaee4 100644
--- a/src/OBJECT/SMESH_Actor.cxx
+++ b/src/OBJECT/SMESH_Actor.cxx
@@ -1508,12 +1508,14 @@ void SMESH_ActorDef::SetVisibility(int theMode, bool theIsUpdateRepersentation)
   my3DExtActor->VisibilityOff();
 
   myScalarBarActor->VisibilityOff();
+  
 
   if ( GetVisibility() ) {
     if ( theIsUpdateRepersentation )
       SetRepresentation(GetRepresentation());
-
-    if(myControlMode != eNone) {
+  
+    // Avoid calling VisibilityOn of ExtActor after editing hypothesis. Use the same criteria than scalarBarActor
+    if( myControlMode != eNone && myFunctor && myVisualObj->GetNbEntities( myFunctor->GetType() ) ) { 
       switch(myControlMode) {
       case eFreeNodes:
       case eCoincidentNodes:
@@ -1543,9 +1545,8 @@ void SMESH_ActorDef::SetVisibility(int theMode, bool theIsUpdateRepersentation)
         break;
       default:;
       }
-      if ( myFunctor && myVisualObj->GetNbEntities( myFunctor->GetType() ))
-        myScalarBarActor->VisibilityOn();
-    }
+      myScalarBarActor->VisibilityOn();
+    }    
 
     if ( GetPickable( ))
       myPickableActor->VisibilityOn();
-- 
2.30.2