--- /dev/null
+// Copyright (C) 2007-2023 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : StdMeshers_ViscousLayersBuilder.hxx
+// Module : SMESH
+//
+#ifndef _SMESH_ViscourLayerBuilder_HXX_
+#define _SMESH_ViscourLayerBuilder_HXX_
+
+#include <BRepOffset_MakeOffset.hxx>
+#include <BRepOffset_Offset.hxx>
+
+#include "SMESH_StdMeshers.hxx"
+#include "SMESH_Hypothesis.hxx"
+#include "StdMeshers_Cartesian_VL.hxx"
+#include "StdMeshers_ViscousLayers.hxx"
+#include "StdMeshers_ViscousLayers2D.hxx"
+
+
+class STDMESHERS_EXPORT StdMeshers_ViscousLayerBuilder: public SMESH_2D_Algo
+{
+ public:
+ StdMeshers_ViscousLayerBuilder(int hypId, SMESH_Gen* gen);
+ ~StdMeshers_ViscousLayerBuilder();
+
+ virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ SMESH_Hypothesis::Hypothesis_Status& aStatus);
+
+ virtual bool Compute(SMESH_Mesh& /*aMesh*/, const TopoDS_Shape& /*aShape*/ );
+
+ virtual bool Evaluate(SMESH_Mesh & /*aMesh*/, const TopoDS_Shape & /*aShape*/,
+ MapShapeNbElems& /*aResMap*/ );
+
+ /*!
+ * \brief Check if the algo is applicable to the geometry and dimension
+ */
+ virtual bool IsApplicable( const TopoDS_Shape &S, bool /*toCheckAll*/, int algoDim );
+
+ void SetBndShapes(const std::vector<int>& shapeIds, bool toIgnore);
+ // std::vector<int> GetBndShapes() const { return _shapeIds; }
+ // bool IsToIgnoreShapes() const { return _isToIgnoreShapes; }
+
+ void SetTotalThickness(double thickness);
+ // double GetTotalThickness() const { return _thickness; }
+
+ void SetNumberLayers(int nb);
+ // int GetNumberLayers() const { return _nbLayers; }
+
+ void SetStretchFactor(double factor);
+ // double GetStretchFactor() const { return _stretchFactor; }
+
+ void SetMethod( StdMeshers_ViscousLayers::ExtrusionMethod how );
+ // StdMeshers_ViscousLayers::ExtrusionMethod GetMethod() const { return _method; }
+
+ // name of a group to create
+ void SetGroupName(const std::string& name);
+ // const std::string& GetGroupName() const { return _groupName; }
+
+ /*!
+ * \brief Compute a shrink version of the geometry.
+ * Use the BRepOffset_MakeOffset to perfom the operations for Solids.
+ * Use BRepBuilderAPI_MakeFace to perform the operation for planar faces.
+ * \remark For possitive offsets, planar faces are shrink in all directions BRepBuilderAPI_MakeFace does not support coarse grained edge selection.
+ * \param theMesh - the built mesh
+ * \param theShape - the geometry to be shrink
+ * \retval TopoDS_Shape - a new shape of the shrink geometry
+ */
+ TopoDS_Shape GetShrinkGeometry( SMESH_Mesh & theMesh, const TopoDS_Shape & theShape );
+
+ /*!
+ * \brief Build the elements of the viscous layer based on the shrinkMesh and copied to theMesh
+ * \param shrinkMesh - the mesh defined on the shrink geometry
+ * \param theMesh - the final mesh with the combination of the shrink mesh and the viscous layer
+ * \param theShape - the original geometry
+ * \retval bool - Ok if success in the operation
+ */
+ bool AddLayers( SMESH_Mesh & shrinkMesh, SMESH_Mesh & theMesh, const TopoDS_Shape & theShape );
+
+ private:
+
+
+ StdMeshers_ViscousLayers2D* _hyp;
+ StdMeshers_Cartesian_VL::ViscousBuilder* _vlBuilder;
+
+ BRepOffset_MakeOffset _makeOffset;
+ BRepOffset_Offset _makeFaceOffset;
+ TopoDS_Shape _offsetShape;
+};
+
+#endif
