From 386c243bd10009ec3e138efa68cdfc9bba1baa96 Mon Sep 17 00:00:00 2001
From: mbs <martin.bernhard@opencascade.com>
Date: Wed, 18 Dec 2024 11:55:56 +0000
Subject: [PATCH] fixed crash in constructAISObject

The Prs3d_PointAspect pointer may be NULL.
---
 src/CurveCreator/CurveCreator_Curve.cxx | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/CurveCreator/CurveCreator_Curve.cxx b/src/CurveCreator/CurveCreator_Curve.cxx
index 856885bfb..7e37d23ee 100644
--- a/src/CurveCreator/CurveCreator_Curve.cxx
+++ b/src/CurveCreator/CurveCreator_Curve.cxx
@@ -1093,10 +1093,13 @@ void CurveCreator_Curve::constructAISObject()
   // myAISShape->SetColor( myCurveColor );
   myAISShape->SetWidth( myLineWidth );
   Handle(Prs3d_PointAspect) anAspect = myAISShape->Attributes()->PointAspect();
-  anAspect->SetScale( 3.0 );
-  anAspect->SetTypeOfMarker(Aspect_TOM_O_POINT);
-  anAspect->SetColor(myPointAspectColor);
-  myAISShape->Attributes()->SetPointAspect( anAspect );
+  if (!anAspect.IsNull())
+  {
+    anAspect->SetScale( 3.0 );
+    anAspect->SetTypeOfMarker(Aspect_TOM_O_POINT);
+    anAspect->SetColor(myPointAspectColor);
+    myAISShape->Attributes()->SetPointAspect( anAspect );
+  }
 }
 
 Handle(AIS_InteractiveObject) CurveCreator_Curve::getAISObject( const bool theNeedToBuild ) const