-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// 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.
+// 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
struct TNode;
struct TPrismTopo;
}
+namespace StdMeshers_ProjectionUtils
+{
+ class TrsfFinder3D;
+}
class SMESHDS_SubMesh;
class TopoDS_Edge;
bool myNotQuadOnTop;
void Clear();
+ void SetUpsideDown();
};
}
/*!
* \brief Prints a script creating a normal grid on the prism side
*/
- void faceGridToPythonDump(const SMESH_Block::TShapeID face);
+ void faceGridToPythonDump(const SMESH_Block::TShapeID face,
+ const int nb=10);
}; // class StdMeshers_PrismAsBlock
-// =============================================
+// ===============================================
+/*!
+ * \brief Tool building internal nodes in a prism
+ */
+struct StdMeshers_Sweeper
+{
+ std::vector< TNodeColumn* > myBndColumns; // boundary nodes
+ std::vector< TNodeColumn* > myIntColumns; // internal nodes
+
+ bool ComputeNodes( SMESH_MesherHelper& helper,
+ const double tol,
+ const bool allowHighBndError );
+
+private:
+
+ gp_XYZ bndPoint( int iP, int z ) const
+ { return SMESH_TNodeXYZ( (*myBndColumns[ iP ])[ z ]); }
+
+ gp_XYZ intPoint( int iP, int z ) const
+ { return SMESH_TNodeXYZ( (*myIntColumns[ iP ])[ z ]); }
+
+ static bool projectIntPoints(const std::vector< gp_XYZ >& fromBndPoints,
+ const std::vector< gp_XYZ >& toBndPoints,
+ const std::vector< gp_XYZ >& fromIntPoints,
+ std::vector< gp_XYZ >& toIntPoints,
+ StdMeshers_ProjectionUtils::TrsfFinder3D& trsf,
+ std::vector< gp_XYZ > * bndError);
+
+ static void applyBoundaryError(const std::vector< gp_XYZ >& bndPoints,
+ const std::vector< gp_XYZ >& bndError1,
+ const std::vector< gp_XYZ >& bndError2,
+ const double r,
+ std::vector< gp_XYZ >& toIntPoints,
+ std::vector< double >& int2BndDist);
+};
+
+// ===============================================
/*!
* \brief Algo building prisms on a prism shape
*/
* \param helper - helper initialized by mesh and shape to add prisms to
*/
static void AddPrisms( std::vector<const TNodeColumn*> & nodeColumns,
- SMESH_MesherHelper* helper);
+ SMESH_MesherHelper* helper);
-private:
+ static bool IsApplicable(const TopoDS_Shape & aShape, bool toCheckAll);
+
+ private:
/*!
* \brief Analyse shape geometry and mesh.
* If there are triangles on one of faces, it becomes 'bottom'
*/
- bool initPrism(Prism_3D::TPrismTopo& thePrism, const TopoDS_Shape& theSolid);
+ bool initPrism(Prism_3D::TPrismTopo& thePrism,
+ const TopoDS_Shape& theSolid,
+ const bool selectBottom = true);
/*!
* \brief Fill thePrism.myWallQuads and thePrism.myTopEdges
*/
bool computeWalls(const Prism_3D::TPrismTopo& thePrism);
+ /*!
+ * \brief Returns a source EDGE of propagation to a given EDGE
+ */
+ TopoDS_Edge findPropagationSource( const TopoDS_Edge& E );
+
/*!
* \brief Find correspondence between bottom and top nodes.
* If elements on the bottom and top faces are topologically different,
* and projection is possible and allowed, perform the projection
* \retval bool - is a success or not
*/
- bool assocOrProjBottom2Top( const gp_Trsf & bottomToTopTrsf );
+ bool assocOrProjBottom2Top( const gp_Trsf & bottomToTopTrsf,
+ const Prism_3D::TPrismTopo& thePrism);
/*!
* \brief Remove quadrangles from the top face and
* create triangles there by projection from the bottom
* \retval bool - a success or not
*/
- bool projectBottomToTop( const gp_Trsf & bottomToTopTrsf );
+ bool projectBottomToTop( const gp_Trsf & bottomToTopTrsf,
+ const Prism_3D::TPrismTopo& thePrism );
+
+ /*!
+ * \brief Compute tolerance to pass to StdMeshers_Sweeper
+ */
+ double getSweepTolerance( const Prism_3D::TPrismTopo& thePrism );
+
+ /*!
+ * \brief Defines if it's safe to use the block approach
+ */
+ bool isSimpleBottom( const Prism_3D::TPrismTopo& thePrism );
/*!
* \brief Project mesh faces from a source FACE of one prism to
bool myProjectTriangles;
bool mySetErrorToSM;
+ bool myUseBlock;
StdMeshers_PrismAsBlock myBlock;
SMESH_MesherHelper* myHelper;
// (the column includes the bottom node)
TNode2ColumnMap myBotToColumnMap;
+ TopTools_IndexedMapOfShape* myPropagChains;
+
}; // class StdMeshers_Prism_3D
#endif
