1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 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
22 // SMESH SMESH : implementaion of SMESH idl descriptions
23 // File : StdMeshers_FaceSide.hxx
24 // Created : Wed Jan 31 18:41:25 2007
25 // Author : Edward AGAPOV (eap)
28 #ifndef StdMeshers_FaceSide_HeaderFile
29 #define StdMeshers_FaceSide_HeaderFile
31 #include <gp_Pnt2d.hxx>
32 #include <TopoDS_Edge.hxx>
33 #include <TopoDS_Vertex.hxx>
34 #include <Geom2d_Curve.hxx>
37 #include "SMESH_StdMeshers.hxx"
38 #include "SMESH_Algo.hxx"
42 #include <boost/shared_ptr.hpp>
46 class Adaptor2d_Curve2d;
47 class Adaptor3d_Curve;
48 class BRepAdaptor_CompCurve;
50 class SMESH_ComputeError;
52 typedef struct uvPtStruct
57 double u; // original 2d parameter
59 double x; // 2d parameter, normalized [0,1]
61 const SMDS_MeshNode * node;
64 class StdMeshers_FaceSide;
65 typedef boost::shared_ptr< StdMeshers_FaceSide > StdMeshers_FaceSidePtr;
66 typedef boost::shared_ptr< uvPtStruct > UVPtStructPtr;
67 typedef std::vector< StdMeshers_FaceSidePtr > TSideVector;
68 typedef boost::shared_ptr< SMESH_ComputeError > TError;
70 //================================================================================
72 * \brief Represents a side of a quasi quadrilateral face.
73 * It can be composed of several edges. Gives access to geometry and 1D mesh of a side.
75 //================================================================================
77 class STDMESHERS_EXPORT StdMeshers_FaceSide
81 * \brief Wrap one edge
83 StdMeshers_FaceSide(const TopoDS_Face& theFace,
84 const TopoDS_Edge& theEdge,
86 const bool theIsForward,
87 const bool theIgnoreMediumNodes);
89 * \brief Wrap several edges. Edges must be properly ordered and oriented.
91 StdMeshers_FaceSide(const TopoDS_Face& theFace,
92 std::list<TopoDS_Edge>& theEdges,
94 const bool theIsForward,
95 const bool theIgnoreMediumNodes);
98 * \brief Return wires of a face as StdMeshers_FaceSide's
100 static TSideVector GetFaceWires(const TopoDS_Face& theFace,
101 SMESH_Mesh & theMesh,
102 const bool theIgnoreMediumNodes,
106 * \brief Change orientation of side geometry
110 * \brief Return nb nodes on edges and vertices (+1 to be == GetUVPtStruct().size() )
112 int NbPoints() const { return myNbPonits; }
114 * \brief Return nb edges
116 int NbSegments() const { return myNbSegments; }
120 SMESH_Mesh* GetMesh() const { return myMesh; }
122 * \brief Return true if there vertices without nodes
124 bool MissVertexNode() const { return myMissingVertexNodes; }
126 * \brief Return detailed data on nodes
127 * \param isXConst - true if normalized parameter X is constant
128 * \param constValue - constant parameter value
130 * Missing nodes are allowed only on internal vertices
132 const std::vector<UVPtStruct>& GetUVPtStruct(bool isXConst =0, double constValue =0) const;
134 * \brief Simulates detailed data on nodes
135 * \param isXConst - true if normalized parameter X is constant
136 * \param constValue - constant parameter value
138 const std::vector<UVPtStruct>& SimulateUVPtStruct(int nbSeg,
140 double constValue = 0) const;
142 * \brief Return edge and parameter on edge by normalized parameter
144 inline double Parameter(double U, TopoDS_Edge & edge) const;
146 * \brief Return UV by normalized parameter
148 gp_Pnt2d Value2d(double U) const;
150 * \brief Creates a Adaptor2d_Curve2d to be used in SMESH_Block
152 Adaptor2d_Curve2d* GetCurve2d() const;
154 * \brief Creates a fully functional Adaptor_Curve
156 BRepAdaptor_CompCurve* GetCurve3d() const;
158 * \brief Return nb of wrapped edges
160 int NbEdges() const { return myEdge.size(); }
162 * \brief Return i-th wrapped edge (count starts from zero)
164 const TopoDS_Edge& Edge(int i) const { return myEdge[i]; }
166 * \brief Return 1st vertex of the i-the edge (count starts from zero)
168 inline TopoDS_Vertex FirstVertex(int i=0) const;
170 * \brief Return last vertex of the i-the edge (count starts from zero)
172 inline TopoDS_Vertex LastVertex(int i=-1) const;
174 * \brief Return first normalized parameter of the i-the edge (count starts from zero)
176 inline double FirstParameter(int i) const;
178 * \brief Return ast normalized parameter of the i-the edge (count starts from zero)
180 inline double LastParameter(int i) const;
182 * \brief Return side length
184 double Length() const { return myLength; }
186 * \brief Return edge index corresponding to normalized parameter
188 inline int EdgeIndex( double U ) const;
190 //virtual gp_Pnt Value(double U) const;
192 void dump(const char* msg=0) const;
196 std::vector<uvPtStruct> myPoints, myFalsePoints;
197 std::vector<TopoDS_Edge> myEdge;
198 std::vector<Handle(Geom2d_Curve)> myC2d;
199 std::vector<double> myFirst, myLast;
200 std::vector<double> myNormPar;
202 int myNbPonits, myNbSegments;
204 bool myMissingVertexNodes, myIgnoreMediumNodes;
208 //================================================================================
210 * \brief Return edge index corresponding to normalized parameter
211 * \param U - the parameter
212 * \retval int - index
214 //================================================================================
216 inline int StdMeshers_FaceSide::EdgeIndex( double U ) const
218 int i = myNormPar.size() - 1;
219 while ( i > 0 && U < myNormPar[ i-1 ] ) --i;
223 //================================================================================
225 * \brief Return edge and parameter on edge by normalized parameter
226 * \param U - the parameter
227 * \retval double - pameter on a curve
229 //================================================================================
231 inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const
233 int i = EdgeIndex( U );
235 double prevU = i ? myNormPar[ i-1 ] : 0;
236 double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
237 return myFirst[i] * ( 1 - r ) + myLast[i] * r;
240 //================================================================================
242 * \brief Return 1st vertex of the i-the edge
244 //================================================================================
246 inline TopoDS_Vertex StdMeshers_FaceSide::FirstVertex(int i) const
248 return i < myEdge.size() ? TopExp::FirstVertex( myEdge[i], 1 ) : TopoDS_Vertex();
251 //================================================================================
253 * \brief Return last vertex of the i-the edge
255 //================================================================================
257 inline TopoDS_Vertex StdMeshers_FaceSide::LastVertex(int i) const
259 return i<0 ? TopExp::LastVertex( myEdge.back(), 1) : i<myEdge.size() ? TopExp::LastVertex( myEdge[i], 1 ) : TopoDS_Vertex();
262 //================================================================================
264 * \brief Return first normalized parameter of the i-the edge
266 //================================================================================
268 inline double StdMeshers_FaceSide::FirstParameter(int i) const
270 return i==0 ? 0. : i<myNormPar.size() ? myNormPar[i-1] : 1.;
273 //================================================================================
275 * \brief Return ast normalized parameter of the i-the edge
277 //================================================================================
279 inline double StdMeshers_FaceSide::LastParameter(int i) const
281 return i<myNormPar.size() ? myNormPar[i] : 1;