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>
40 #include <boost/shared_ptr.hpp>
44 class Adaptor2d_Curve2d;
45 class Adaptor3d_Curve;
46 class BRepAdaptor_CompCurve;
49 typedef struct uvPtStruct
54 double u; // original 2d parameter
56 double x; // 2d parameter, normalized [0,1]
58 const SMDS_MeshNode * node;
61 class StdMeshers_FaceSide;
62 typedef boost::shared_ptr< StdMeshers_FaceSide > StdMeshers_FaceSidePtr;
63 typedef boost::shared_ptr< uvPtStruct > UVPtStructPtr;
65 //================================================================================
67 * \brief Represents a side of a quasi quadrilateral face.
68 * It can be composed of several edges. Gives access to geometry and 1D mesh of a side.
70 //================================================================================
72 class StdMeshers_FaceSide
76 * \brief Wrap one edge
78 StdMeshers_FaceSide(const TopoDS_Face& theFace,
79 const TopoDS_Edge& theEdge,
81 const bool theIsForward,
82 const bool theIgnoreMediumNodes);
84 * \brief Wrap several edges. Edges must be properly ordered and oriented.
86 StdMeshers_FaceSide(const TopoDS_Face& theFace,
87 list<TopoDS_Edge>& theEdges,
89 const bool theIsForward,
90 const bool theIgnoreMediumNodes);
92 * \brief Change orientation of side geometry
96 * \brief Return nb nodes on edges and vertices (+1 to be == GetUVPtStruct().size() )
98 int NbPoints() const { return myNbPonits; }
100 * \brief Return nb edges
102 int NbSegments() const { return myNbSegments; }
106 SMESH_Mesh* GetMesh() const { return myMesh; }
108 * \brief Return true if there vertices without nodes
110 bool MissVertexNode() const { return myMissingVertexNodes; }
112 * \brief Return detailed data on nodes
113 * \param isXConst - true if normalized parameter X is constant
114 * \param constValue - constant parameter value
116 * Missing nodes are allowed only on internal vertices
118 const vector<UVPtStruct>& GetUVPtStruct(bool isXConst, double constValue) const;
120 * \brief Simulates detailed data on nodes
121 * \param isXConst - true if normalized parameter X is constant
122 * \param constValue - constant parameter value
124 const vector<UVPtStruct>& SimulateUVPtStruct(int nbSeg,
126 double constValue) const;
128 * \brief Return edge and parameter on edge by normalized parameter
130 inline double Parameter(double U, TopoDS_Edge & edge) const;
132 * \brief Return UV by normalized parameter
134 gp_Pnt2d Value2d(double U) const;
136 * \brief Creates a Adaptor2d_Curve2d to be used in SMESH_Block
138 Adaptor2d_Curve2d* GetCurve2d() const;
140 * \brief Creates a fully functional Adaptor_Curve
142 BRepAdaptor_CompCurve* GetCurve3d() const;
144 * \brief Return nb of wrapped edges
146 int NbEdges() const { return myEdge.size(); }
148 * \brief Return i-th wrapped edge (count starts from zero)
150 const TopoDS_Edge& Edge(int i) const { return myEdge[i]; }
152 * \brief Return 1st vertex of the i-the edge (count starts from zero)
154 inline TopoDS_Vertex FirstVertex(int i=0) const;
156 * \brief Return last vertex of the i-the edge (count starts from zero)
158 inline TopoDS_Vertex LastVertex(int i=-1) const;
160 * \brief Return first normalized parameter of the i-the edge (count starts from zero)
162 inline double FirstParameter(int i) const;
164 * \brief Return ast normalized parameter of the i-the edge (count starts from zero)
166 inline double LastParameter(int i) const;
168 * \brief Return side length
170 double Length() const { return myLength; }
172 * \brief Return edge index corresponding to normalized parameter
174 inline int EdgeIndex( double U ) const;
176 //virtual gp_Pnt Value(double U) const;
178 void dump(const char* msg=0) const;
182 vector<uvPtStruct> myPoints, myFalsePoints;
183 vector<TopoDS_Edge> myEdge;
184 vector<Handle(Geom2d_Curve)> myC2d;
185 vector<double> myFirst, myLast;
186 vector<double> myNormPar;
188 int myNbPonits, myNbSegments;
190 bool myMissingVertexNodes, myIgnoreMediumNodes;
194 //================================================================================
196 * \brief Return edge index corresponding to normalized parameter
197 * \param U - the parameter
198 * \retval int - index
200 //================================================================================
202 inline int StdMeshers_FaceSide::EdgeIndex( double U ) const
204 int i = myNormPar.size() - 1;
205 while ( i > 0 && U < myNormPar[ i-1 ] ) --i;
209 //================================================================================
211 * \brief Return edge and parameter on edge by normalized parameter
212 * \param U - the parameter
213 * \retval double - pameter on a curve
215 //================================================================================
217 inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const
219 int i = EdgeIndex( U );
221 double prevU = i ? myNormPar[ i-1 ] : 0;
222 double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
223 return myFirst[i] * ( 1 - r ) + myLast[i] * r;
226 //================================================================================
228 * \brief Return 1st vertex of the i-the edge
230 //================================================================================
232 inline TopoDS_Vertex StdMeshers_FaceSide::FirstVertex(int i) const
234 return i < myEdge.size() ? TopExp::FirstVertex( myEdge[i], 1 ) : TopoDS_Vertex();
237 //================================================================================
239 * \brief Return last vertex of the i-the edge
241 //================================================================================
243 inline TopoDS_Vertex StdMeshers_FaceSide::LastVertex(int i) const
245 return i<0 ? TopExp::LastVertex( myEdge.back(), 1) : i<myEdge.size() ? TopExp::LastVertex( myEdge[i], 1 ) : TopoDS_Vertex();
248 //================================================================================
250 * \brief Return first normalized parameter of the i-the edge
252 //================================================================================
254 inline double StdMeshers_FaceSide::FirstParameter(int i) const
256 return i==0 ? 0. : i<myNormPar.size() ? myNormPar[i-1] : 1.;
259 //================================================================================
261 * \brief Return ast normalized parameter of the i-the edge
263 //================================================================================
265 inline double StdMeshers_FaceSide::LastParameter(int i) const
267 return i<myNormPar.size() ? myNormPar[i] : 1;