1 // SMESH SMESH : implementaion of SMESH idl descriptions
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 // File : StdMeshers_FaceSide.hxx
25 // Created : Wed Jan 31 18:41:25 2007
26 // Author : Edward AGAPOV (eap)
29 #ifndef StdMeshers_FaceSide_HeaderFile
30 #define StdMeshers_FaceSide_HeaderFile
32 #include <gp_Pnt2d.hxx>
33 #include <TopoDS_Edge.hxx>
34 #include <TopoDS_Vertex.hxx>
35 #include <Geom2d_Curve.hxx>
38 #include "SMESH_StdMeshers.hxx"
39 #include "SMESH_Algo.hxx"
43 #include <boost/shared_ptr.hpp>
47 class Adaptor2d_Curve2d;
48 class Adaptor3d_Curve;
49 class BRepAdaptor_CompCurve;
51 class SMESH_ComputeError;
53 typedef struct uvPtStruct
58 double u; // original 2d parameter
60 double x; // 2d parameter, normalized [0,1]
62 const SMDS_MeshNode * node;
65 class StdMeshers_FaceSide;
66 typedef boost::shared_ptr< StdMeshers_FaceSide > StdMeshers_FaceSidePtr;
67 typedef boost::shared_ptr< uvPtStruct > UVPtStructPtr;
68 typedef std::vector< StdMeshers_FaceSidePtr > TSideVector;
69 typedef boost::shared_ptr< SMESH_ComputeError > TError;
71 //================================================================================
73 * \brief Represents a side of a quasi quadrilateral face.
74 * It can be composed of several edges. Gives access to geometry and 1D mesh of a side.
76 //================================================================================
78 class STDMESHERS_EXPORT StdMeshers_FaceSide
82 * \brief Wrap one edge
84 StdMeshers_FaceSide(const TopoDS_Face& theFace,
85 const TopoDS_Edge& theEdge,
87 const bool theIsForward,
88 const bool theIgnoreMediumNodes);
90 * \brief Wrap several edges. Edges must be properly ordered and oriented.
92 StdMeshers_FaceSide(const TopoDS_Face& theFace,
93 list<TopoDS_Edge>& theEdges,
95 const bool theIsForward,
96 const bool theIgnoreMediumNodes);
99 * \brief Return wires of a face as StdMeshers_FaceSide's
101 static TSideVector GetFaceWires(const TopoDS_Face& theFace,
102 SMESH_Mesh & theMesh,
103 const bool theIgnoreMediumNodes,
107 * \brief Change orientation of side geometry
111 * \brief Return nb nodes on edges and vertices (+1 to be == GetUVPtStruct().size() )
113 int NbPoints() const { return myNbPonits; }
115 * \brief Return nb edges
117 int NbSegments() const { return myNbSegments; }
121 SMESH_Mesh* GetMesh() const { return myMesh; }
123 * \brief Return true if there vertices without nodes
125 bool MissVertexNode() const { return myMissingVertexNodes; }
127 * \brief Return detailed data on nodes
128 * \param isXConst - true if normalized parameter X is constant
129 * \param constValue - constant parameter value
131 * Missing nodes are allowed only on internal vertices
133 const vector<UVPtStruct>& GetUVPtStruct(bool isXConst =0, double constValue =0) const;
135 * \brief Simulates detailed data on nodes
136 * \param isXConst - true if normalized parameter X is constant
137 * \param constValue - constant parameter value
139 const vector<UVPtStruct>& SimulateUVPtStruct(int nbSeg,
141 double constValue = 0) const;
143 * \brief Return edge and parameter on edge by normalized parameter
145 inline double Parameter(double U, TopoDS_Edge & edge) const;
147 * \brief Return UV by normalized parameter
149 gp_Pnt2d Value2d(double U) const;
151 * \brief Creates a Adaptor2d_Curve2d to be used in SMESH_Block
153 Adaptor2d_Curve2d* GetCurve2d() const;
155 * \brief Creates a fully functional Adaptor_Curve
157 BRepAdaptor_CompCurve* GetCurve3d() const;
159 * \brief Return nb of wrapped edges
161 int NbEdges() const { return myEdge.size(); }
163 * \brief Return i-th wrapped edge (count starts from zero)
165 const TopoDS_Edge& Edge(int i) const { return myEdge[i]; }
167 * \brief Return 1st vertex of the i-the edge (count starts from zero)
169 inline TopoDS_Vertex FirstVertex(int i=0) const;
171 * \brief Return last vertex of the i-the edge (count starts from zero)
173 inline TopoDS_Vertex LastVertex(int i=-1) const;
175 * \brief Return first normalized parameter of the i-the edge (count starts from zero)
177 inline double FirstParameter(int i) const;
179 * \brief Return ast normalized parameter of the i-the edge (count starts from zero)
181 inline double LastParameter(int i) const;
183 * \brief Return side length
185 double Length() const { return myLength; }
187 * \brief Return edge index corresponding to normalized parameter
189 inline int EdgeIndex( double U ) const;
191 //virtual gp_Pnt Value(double U) const;
193 void dump(const char* msg=0) const;
197 vector<uvPtStruct> myPoints, myFalsePoints;
198 vector<TopoDS_Edge> myEdge;
199 vector<Handle(Geom2d_Curve)> myC2d;
200 vector<double> myFirst, myLast;
201 vector<double> myNormPar;
203 int myNbPonits, myNbSegments;
205 bool myMissingVertexNodes, myIgnoreMediumNodes;
209 //================================================================================
211 * \brief Return edge index corresponding to normalized parameter
212 * \param U - the parameter
213 * \retval int - index
215 //================================================================================
217 inline int StdMeshers_FaceSide::EdgeIndex( double U ) const
219 int i = myNormPar.size() - 1;
220 while ( i > 0 && U < myNormPar[ i-1 ] ) --i;
224 //================================================================================
226 * \brief Return edge and parameter on edge by normalized parameter
227 * \param U - the parameter
228 * \retval double - pameter on a curve
230 //================================================================================
232 inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const
234 int i = EdgeIndex( U );
236 double prevU = i ? myNormPar[ i-1 ] : 0;
237 double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
238 return myFirst[i] * ( 1 - r ) + myLast[i] * r;
241 //================================================================================
243 * \brief Return 1st vertex of the i-the edge
245 //================================================================================
247 inline TopoDS_Vertex StdMeshers_FaceSide::FirstVertex(int i) const
249 return i < myEdge.size() ? TopExp::FirstVertex( myEdge[i], 1 ) : TopoDS_Vertex();
252 //================================================================================
254 * \brief Return last vertex of the i-the edge
256 //================================================================================
258 inline TopoDS_Vertex StdMeshers_FaceSide::LastVertex(int i) const
260 return i<0 ? TopExp::LastVertex( myEdge.back(), 1) : i<myEdge.size() ? TopExp::LastVertex( myEdge[i], 1 ) : TopoDS_Vertex();
263 //================================================================================
265 * \brief Return first normalized parameter of the i-the edge
267 //================================================================================
269 inline double StdMeshers_FaceSide::FirstParameter(int i) const
271 return i==0 ? 0. : i<myNormPar.size() ? myNormPar[i-1] : 1.;
274 //================================================================================
276 * \brief Return ast normalized parameter of the i-the edge
278 //================================================================================
280 inline double StdMeshers_FaceSide::LastParameter(int i) const
282 return i<myNormPar.size() ? myNormPar[i] : 1;