Fix unstable failure of SALOME_TESTS/Grids/smesh/bugs_05/F0

[modules/smesh.git] / src / SMESHUtils / SMESH_Delaunay.cxx

diff --git a/src/SMESHUtils/SMESH_Delaunay.cxx b/src/SMESHUtils/SMESH_Delaunay.cxx
index 85f03a65ef3991984fc791aaf28323f37e8b1cfe..e53bfd8fcda9257d91bf8ca1026e9f07e372cab1 100644 (file)
--- a/src/SMESHUtils/SMESH_Delaunay.cxx
+++ b/src/SMESHUtils/SMESH_Delaunay.cxx
@@ -193,16 +193,21 @@ const BRepMesh_Triangle* SMESH_Delaunay::FindTriangle( const gp_XY&
     nodeUVs[1] = _triaDS->GetNode( nodeIDs[1] ).Coord();
     nodeUVs[2] = _triaDS->GetNode( nodeIDs[2] ).Coord();
 
-    SMESH_MeshAlgos::GetBarycentricCoords( uv,
-                                           nodeUVs[0], nodeUVs[1], nodeUVs[2],
-                                           bc[0], bc[1] );
-    if ( bc[0] >= 0 && bc[1] >= 0 && bc[0] + bc[1] <= 1 )
+    if ( _triaDS->GetNode( nodeIDs[0] ).Movability() == BRepMesh_Frontier &&
+         _triaDS->GetNode( nodeIDs[1] ).Movability() == BRepMesh_Frontier &&
+         _triaDS->GetNode( nodeIDs[2] ).Movability() == BRepMesh_Frontier )
     {
-      bc[2] = 1 - bc[0] - bc[1];
-      triaNodes[0] = nodeIDs[0] - 1;
-      triaNodes[1] = nodeIDs[1] - 1;
-      triaNodes[2] = nodeIDs[2] - 1;
-      return tria;
+      SMESH_MeshAlgos::GetBarycentricCoords( uv,
+                                             nodeUVs[0], nodeUVs[1], nodeUVs[2],
+                                             bc[0], bc[1] );
+      if ( bc[0] >= 0 && bc[1] >= 0 && bc[0] + bc[1] <= 1 )
+      {
+        bc[2] = 1 - bc[0] - bc[1];
+        triaNodes[0] = nodeIDs[0] - 1;
+        triaNodes[1] = nodeIDs[1] - 1;
+        triaNodes[2] = nodeIDs[2] - 1;
+        return tria;
+      }
     }
 
     // look for a neighbor triangle, which is adjacent to a link intersected