From 7462200bee6b36805719ffb0b2c5801dc798f070 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Wed, 11 Mar 2009 15:18:03 +0000
Subject: [PATCH] 0020206: EDF SMESH 987: Netgen1D2D3D +submesh    clear mesh
 if an added local algorithm hides a global all-dimensional one

---
 src/SMESH/SMESH_subMesh.cxx | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/SMESH/SMESH_subMesh.cxx b/src/SMESH/SMESH_subMesh.cxx
index 6c484c80a..6d284548c 100644
--- a/src/SMESH/SMESH_subMesh.cxx
+++ b/src/SMESH/SMESH_subMesh.cxx
@@ -609,6 +609,7 @@ SMESH_Hypothesis::Hypothesis_Status
 
   int oldAlgoState = _algoState;
   bool modifiedHyp = (event == MODIF_HYP);  // if set to true, force event MODIF_ALGO_STATE
+  bool needFullClean = false;
 
   bool isApplicableHyp = IsApplicableHypotesis( anHyp );
 
@@ -625,6 +626,15 @@ SMESH_Hypothesis::Hypothesis_Status
     // ----------------------
     if (isApplicableHyp && !_father->IsNotConformAllowed() && !IsConform( algo ))
       return SMESH_Hypothesis::HYP_NOTCONFORM;
+
+    // check if all-dimensional algo is hidden by other local one
+    if ( event == ADD_ALGO ) {
+      SMESH_HypoFilter filter( SMESH_HypoFilter::HasType( algo->GetType() ));
+      filter.Or( SMESH_HypoFilter::HasType( algo->GetType()+1 ));
+      filter.Or( SMESH_HypoFilter::HasType( algo->GetType()+2 ));
+      if ( SMESH_Algo * curAlgo = (SMESH_Algo*) _father->GetHypothesis( _subShape, filter, true ))
+        needFullClean = ( !curAlgo->NeedDescretBoundary() );
+    }
   }
 
   // ----------------------------------
@@ -658,10 +668,7 @@ SMESH_Hypothesis::Hypothesis_Status
         // clean all mesh in the tree of the current submesh;
         // we must perform it now because later
         // we will have no information about the type of the removed algo
-        CleanDependants();
-	ComputeStateEngine( CLEAN );
-        CleanDependsOn();
-        ComputeSubMeshStateEngine( CHECK_COMPUTE_STATE );
+        needFullClean = true;
       }
     }
   }
@@ -1012,6 +1019,13 @@ SMESH_Hypothesis::Hypothesis_Status
     }
   }
 
+  if ( needFullClean ) {
+    // added or removed algo is all-dimensional
+    ComputeStateEngine( CLEAN );
+    CleanDependsOn();
+    ComputeSubMeshStateEngine( CHECK_COMPUTE_STATE );
+  }
+
   if (stateChange || modifiedHyp)
     ComputeStateEngine(MODIF_ALGO_STATE);