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286 lines
9.1 KiB
C++
286 lines
9.1 KiB
C++
// SMESH SMESH : implementaion of SMESH idl descriptions
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//
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// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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//
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//
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// File : StdMeshers_FaceSide.hxx
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// Created : Wed Jan 31 18:41:25 2007
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// Author : Edward AGAPOV (eap)
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// Module : SMESH
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#ifndef StdMeshers_FaceSide_HeaderFile
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#define StdMeshers_FaceSide_HeaderFile
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#include <gp_Pnt2d.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <Geom2d_Curve.hxx>
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#include <TopExp.hxx>
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#include "SMESH_StdMeshers.hxx"
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#include "SMESH_Algo.hxx"
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#include <vector>
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#include <list>
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#include <boost/shared_ptr.hpp>
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class SMDS_MeshNode;
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class SMESH_Mesh;
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class Adaptor2d_Curve2d;
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class Adaptor3d_Curve;
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class BRepAdaptor_CompCurve;
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class TopoDS_Face;
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class SMESH_ComputeError;
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typedef struct uvPtStruct
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{
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double param;
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//int curvIndex;
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double normParam;
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double u; // original 2d parameter
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double v;
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double x; // 2d parameter, normalized [0,1]
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double y;
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const SMDS_MeshNode * node;
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} UVPtStruct;
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class StdMeshers_FaceSide;
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typedef boost::shared_ptr< StdMeshers_FaceSide > StdMeshers_FaceSidePtr;
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typedef boost::shared_ptr< uvPtStruct > UVPtStructPtr;
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typedef std::vector< StdMeshers_FaceSidePtr > TSideVector;
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typedef boost::shared_ptr< SMESH_ComputeError > TError;
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//================================================================================
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/*!
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* \brief Represents a side of a quasi quadrilateral face.
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* It can be composed of several edges. Gives access to geometry and 1D mesh of a side.
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*/
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//================================================================================
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class STDMESHERS_EXPORT StdMeshers_FaceSide
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{
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public:
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/*!
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* \brief Wrap one edge
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*/
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StdMeshers_FaceSide(const TopoDS_Face& theFace,
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const TopoDS_Edge& theEdge,
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SMESH_Mesh* theMesh,
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const bool theIsForward,
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const bool theIgnoreMediumNodes);
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/*!
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* \brief Wrap several edges. Edges must be properly ordered and oriented.
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*/
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StdMeshers_FaceSide(const TopoDS_Face& theFace,
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list<TopoDS_Edge>& theEdges,
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SMESH_Mesh* theMesh,
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const bool theIsForward,
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const bool theIgnoreMediumNodes);
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/*!
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* \brief Return wires of a face as StdMeshers_FaceSide's
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*/
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static TSideVector GetFaceWires(const TopoDS_Face& theFace,
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SMESH_Mesh & theMesh,
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const bool theIgnoreMediumNodes,
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TError & theError);
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/*!
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* \brief Change orientation of side geometry
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*/
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void Reverse();
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/*!
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* \brief Return nb nodes on edges and vertices (+1 to be == GetUVPtStruct().size() )
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*/
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int NbPoints() const { return myNbPonits; }
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/*!
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* \brief Return nb edges
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*/
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int NbSegments() const { return myNbSegments; }
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/*!
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* \brief Return mesh
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*/
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SMESH_Mesh* GetMesh() const { return myMesh; }
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/*!
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* \brief Return true if there vertices without nodes
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*/
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bool MissVertexNode() const { return myMissingVertexNodes; }
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/*!
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* \brief Return detailed data on nodes
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* \param isXConst - true if normalized parameter X is constant
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* \param constValue - constant parameter value
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*
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* Missing nodes are allowed only on internal vertices
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*/
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const vector<UVPtStruct>& GetUVPtStruct(bool isXConst =0, double constValue =0) const;
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/*!
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* \brief Simulates detailed data on nodes
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* \param isXConst - true if normalized parameter X is constant
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* \param constValue - constant parameter value
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*/
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const vector<UVPtStruct>& SimulateUVPtStruct(int nbSeg,
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bool isXConst = 0,
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double constValue = 0) const;
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/*!
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* \brief Return edge and parameter on edge by normalized parameter
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*/
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inline double Parameter(double U, TopoDS_Edge & edge) const;
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/*!
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* \brief Return UV by normalized parameter
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*/
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gp_Pnt2d Value2d(double U) const;
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/*!
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* \brief Creates a Adaptor2d_Curve2d to be used in SMESH_Block
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*/
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Adaptor2d_Curve2d* GetCurve2d() const;
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/*!
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* \brief Creates a fully functional Adaptor_Curve
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*/
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BRepAdaptor_CompCurve* GetCurve3d() const;
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/*!
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* \brief Return nb of wrapped edges
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*/
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int NbEdges() const { return myEdge.size(); }
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/*!
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* \brief Return i-th wrapped edge (count starts from zero)
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*/
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const TopoDS_Edge& Edge(int i) const { return myEdge[i]; }
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/*!
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* \brief Return 1st vertex of the i-the edge (count starts from zero)
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*/
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inline TopoDS_Vertex FirstVertex(int i=0) const;
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/*!
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* \brief Return last vertex of the i-the edge (count starts from zero)
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*/
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inline TopoDS_Vertex LastVertex(int i=-1) const;
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/*!
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* \brief Return first normalized parameter of the i-the edge (count starts from zero)
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*/
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inline double FirstParameter(int i) const;
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/*!
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* \brief Return ast normalized parameter of the i-the edge (count starts from zero)
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*/
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inline double LastParameter(int i) const;
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/*!
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* \brief Return side length
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*/
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double Length() const { return myLength; }
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/*!
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* \brief Return edge index corresponding to normalized parameter
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*/
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inline int EdgeIndex( double U ) const;
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//virtual gp_Pnt Value(double U) const;
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void dump(const char* msg=0) const;
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protected:
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vector<uvPtStruct> myPoints, myFalsePoints;
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vector<TopoDS_Edge> myEdge;
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vector<Handle(Geom2d_Curve)> myC2d;
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vector<double> myFirst, myLast;
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vector<double> myNormPar;
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double myLength;
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int myNbPonits, myNbSegments;
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SMESH_Mesh* myMesh;
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bool myMissingVertexNodes, myIgnoreMediumNodes;
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};
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//================================================================================
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/*!
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* \brief Return edge index corresponding to normalized parameter
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* \param U - the parameter
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* \retval int - index
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*/
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//================================================================================
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inline int StdMeshers_FaceSide::EdgeIndex( double U ) const
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{
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int i = myNormPar.size() - 1;
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while ( i > 0 && U < myNormPar[ i-1 ] ) --i;
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return i;
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}
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//================================================================================
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/*!
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* \brief Return edge and parameter on edge by normalized parameter
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* \param U - the parameter
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* \retval double - pameter on a curve
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*/
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//================================================================================
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inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const
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{
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int i = EdgeIndex( U );
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edge = myEdge[ i ];
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double prevU = i ? myNormPar[ i-1 ] : 0;
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double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
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return myFirst[i] * ( 1 - r ) + myLast[i] * r;
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}
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//================================================================================
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/*!
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* \brief Return 1st vertex of the i-the edge
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*/
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//================================================================================
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inline TopoDS_Vertex StdMeshers_FaceSide::FirstVertex(int i) const
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{
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return i < myEdge.size() ? TopExp::FirstVertex( myEdge[i], 1 ) : TopoDS_Vertex();
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}
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//================================================================================
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/*!
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* \brief Return last vertex of the i-the edge
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*/
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//================================================================================
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inline TopoDS_Vertex StdMeshers_FaceSide::LastVertex(int i) const
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{
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return i<0 ? TopExp::LastVertex( myEdge.back(), 1) : i<myEdge.size() ? TopExp::LastVertex( myEdge[i], 1 ) : TopoDS_Vertex();
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}
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//================================================================================
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/*!
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* \brief Return first normalized parameter of the i-the edge
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*/
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//================================================================================
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inline double StdMeshers_FaceSide::FirstParameter(int i) const
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{
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return i==0 ? 0. : i<myNormPar.size() ? myNormPar[i-1] : 1.;
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}
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//================================================================================
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/*!
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* \brief Return ast normalized parameter of the i-the edge
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*/
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//================================================================================
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inline double StdMeshers_FaceSide::LastParameter(int i) const
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{
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return i<myNormPar.size() ? myNormPar[i] : 1;
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}
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#endif
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