From f941e6126c9bd521e1e7e67afdd6dc60e5865438 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Wed, 3 Oct 2018 12:51:21 +0300
Subject: [PATCH] Issue #2670: Update measurement dimension on change the
 measurement type

---
 src/XGUI/XGUI_Displayer.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/XGUI/XGUI_Displayer.cpp b/src/XGUI/XGUI_Displayer.cpp
index f0ac7b3b3..7910ec06a 100644
--- a/src/XGUI/XGUI_Displayer.cpp
+++ b/src/XGUI/XGUI_Displayer.cpp
@@ -342,6 +342,7 @@ bool XGUI_Displayer::redisplay(ObjectPtr theObject, bool theUpdateViewer)
       return aRedisplayed;
     }
     if (aAIS_Obj != aAISObj) {
+      erase(theObject, theUpdateViewer);
       appendResultObject(theObject, aAIS_Obj);
     }
     aAISIO = aAIS_Obj->impl<Handle(AIS_InteractiveObject)>();
@@ -385,7 +386,10 @@ bool XGUI_Displayer::redisplay(ObjectPtr theObject, bool theUpdateViewer)
 #ifdef CLEAR_OUTDATED_SELECTION_BEFORE_REDISPLAY
       myWorkshop->selector()->deselectPresentation(aAISIO);
 #endif
-      aContext->Redisplay(aAISIO, false);
+      if (aContext->IsDisplayed(aAISIO))
+        aContext->Redisplay(aAISIO, false);
+      else
+        aContext->Display(aAISIO, false);
 
       #ifdef TINSPECTOR
       if (getCallBack()) getCallBack()->Redisplay(aAISIO);
-- 
2.39.2