X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Prism_3D.hxx;h=546bf4950b92281680bbc424827bcb9da51339ba;hb=2e9f6a1d3399b1ea9b366f969e81c725a5a5a628;hp=f4e49ce63190253cd9ec38a4abb5defb46ae257d;hpb=b1f58b701eb4ec6fb4a14b070041f2c89e44723c;p=modules%2Fsmesh.git diff --git a/src/StdMeshers/StdMeshers_Prism_3D.hxx b/src/StdMeshers/StdMeshers_Prism_3D.hxx index f4e49ce63..546bf4950 100644 --- a/src/StdMeshers/StdMeshers_Prism_3D.hxx +++ b/src/StdMeshers/StdMeshers_Prism_3D.hxx @@ -56,6 +56,10 @@ namespace Prism_3D struct TNode; struct TPrismTopo; } +namespace StdMeshers_ProjectionUtils +{ + class TrsfFinder3D; +} class SMESHDS_SubMesh; class TopoDS_Edge; @@ -109,6 +113,7 @@ namespace Prism_3D bool myNotQuadOnTop; void Clear(); + void SetUpsideDown(); }; } @@ -397,7 +402,43 @@ private: }; // 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 */ @@ -442,7 +483,9 @@ public: * \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 @@ -471,14 +514,26 @@ public: * 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 @@ -509,6 +564,7 @@ private: bool myProjectTriangles; bool mySetErrorToSM; + bool myUseBlock; StdMeshers_PrismAsBlock myBlock; SMESH_MesherHelper* myHelper;