From: eap <eap@opencascade.com>
Date: Thu, 15 Nov 2012 15:10:30 +0000 (+0000)
Subject: 0021543: EDF 1978 SMESH: Viscous layer for 2D meshes (validation.hdf)
X-Git-Tag: V6_6_0rc1~42
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=a918ba2cf9ed92cc178d2855566b025be8ce20f6;p=modules%2Fsmesh.git

0021543: EDF 1978 SMESH: Viscous layer for 2D meshes (validation.hdf)

  Fix orientation of normals on a REVERSED FACE
---

diff --git a/src/StdMeshers/StdMeshers_ViscousLayers2D.cxx b/src/StdMeshers/StdMeshers_ViscousLayers2D.cxx
index a8da5a014..884c41a80 100644
--- a/src/StdMeshers/StdMeshers_ViscousLayers2D.cxx
+++ b/src/StdMeshers/StdMeshers_ViscousLayers2D.cxx
@@ -497,7 +497,8 @@ _ViscousBuilder2D::_ViscousBuilder2D(SMESH_Mesh&                       theMesh,
   _helper.SetSubShape( _face );
   _helper.SetElementsOnShape(true);
 
-  _surface = BRep_Tool::Surface( theFace );
+  //_face.Orientation( TopAbs_FORWARD );
+  _surface = BRep_Tool::Surface( _face );
 
   if ( _hyp )
     _fPowN = pow( _hyp->GetStretchFactor(), _hyp->GetNumberLayers() );
@@ -684,7 +685,8 @@ bool _ViscousBuilder2D::makePolyLines()
       // in order not to miss collisions
 
       Handle(Geom2d_Curve) pcurve = L._wire->Curve2d( L._edgeInd );
-      const bool reverse = ( L._wire->Edge( iE ).Orientation() == TopAbs_REVERSED );
+      const bool reverse = (( L._wire->Edge( iE ).Orientation() == TopAbs_REVERSED ) ^
+                            (_face.Orientation()                == TopAbs_REVERSED ));
       for ( int i = L._firstPntInd; i <= L._lastPntInd; ++i )
       {
         _LayerEdge& lEdge = L._lEdges[ i - L._firstPntInd ];