1 // Copyright (C) 2007-2016 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, or (at your option) any later version.
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
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 "SMESH_StdMeshers.hxx"
33 #include "SMESH_ProxyMesh.hxx"
35 #include <Geom2d_Curve.hxx>
36 #include <GeomAdaptor_Curve.hxx>
37 #include <TopoDS_Edge.hxx>
38 #include <TopoDS_Face.hxx>
39 #include <TopoDS_Vertex.hxx>
40 #include <gp_Pnt2d.hxx>
44 #include <boost/shared_ptr.hpp>
48 class Adaptor2d_Curve2d;
49 class Adaptor3d_Curve;
50 class BRepAdaptor_CompCurve;
51 struct SMESH_ComputeError;
52 class StdMeshers_FaceSide;
54 typedef boost::shared_ptr< SMESH_ComputeError > TError;
55 typedef boost::shared_ptr< StdMeshers_FaceSide > StdMeshers_FaceSidePtr;
56 typedef std::vector< StdMeshers_FaceSidePtr > TSideVector;
58 //================================================================================
60 * \brief Represents a side of a quasi quadrilateral face.
61 * It can be composed of several edges. Gives access to geometry and 1D mesh of a side.
63 //================================================================================
65 class STDMESHERS_EXPORT StdMeshers_FaceSide
69 * \brief Wrap one edge
71 StdMeshers_FaceSide(const TopoDS_Face& theFace,
72 const TopoDS_Edge& theEdge,
74 const bool theIsForward,
75 const bool theIgnoreMediumNodes,
76 SMESH_ProxyMesh::Ptr theProxyMesh = SMESH_ProxyMesh::Ptr());
78 * \brief Wrap several edges. Edges must be properly ordered and oriented.
80 StdMeshers_FaceSide(const TopoDS_Face& theFace,
81 std::list<TopoDS_Edge>& theEdges,
83 const bool theIsForward,
84 const bool theIgnoreMediumNodes,
85 SMESH_ProxyMesh::Ptr theProxyMesh = SMESH_ProxyMesh::Ptr());
87 * \brief Simulate a side from a vertex using data from other FaceSide
89 StdMeshers_FaceSide(const StdMeshers_FaceSide* theSide,
90 const SMDS_MeshNode* theNode,
91 const gp_Pnt2d* thePnt2d1,
92 const gp_Pnt2d* thePnt2d2=NULL,
93 const Handle(Geom2d_Curve)& theC2d=NULL,
94 const double theUFirst=0.,
95 const double theULast=1.);
97 * \brief Create a side from an UVPtStructVec
99 StdMeshers_FaceSide(UVPtStructVec& theSideNodes,
100 const TopoDS_Face& theFace = TopoDS_Face(),
101 const TopoDS_Edge& theEdge = TopoDS_Edge(),
102 SMESH_Mesh* theMesh = 0);
104 // static "consrtuctors"
105 static StdMeshers_FaceSidePtr New(const TopoDS_Face& Face,
106 const TopoDS_Edge& Edge,
108 const bool IsForward,
109 const bool IgnoreMediumNodes,
110 SMESH_ProxyMesh::Ptr ProxyMesh = SMESH_ProxyMesh::Ptr())
111 { return StdMeshers_FaceSidePtr
112 ( new StdMeshers_FaceSide( Face,Edge,Mesh,IsForward,IgnoreMediumNodes,ProxyMesh ));
114 static StdMeshers_FaceSidePtr New (const TopoDS_Face& Face,
115 std::list<TopoDS_Edge>& Edges,
117 const bool IsForward,
118 const bool IgnoreMediumNodes,
119 SMESH_ProxyMesh::Ptr ProxyMesh = SMESH_ProxyMesh::Ptr())
120 { return StdMeshers_FaceSidePtr
121 ( new StdMeshers_FaceSide( Face,Edges,Mesh,IsForward,IgnoreMediumNodes,ProxyMesh ));
123 static StdMeshers_FaceSidePtr New (const StdMeshers_FaceSide* Side,
124 const SMDS_MeshNode* Node,
125 const gp_Pnt2d* Pnt2d1,
126 const gp_Pnt2d* Pnt2d2=NULL,
127 const Handle(Geom2d_Curve)& C2d=NULL,
128 const double UFirst=0.,
129 const double ULast=1.)
130 { return StdMeshers_FaceSidePtr
131 ( new StdMeshers_FaceSide( Side,Node,Pnt2d1,Pnt2d2,C2d,UFirst,ULast ));
133 static StdMeshers_FaceSidePtr New (UVPtStructVec& theSideNodes,
134 const TopoDS_Face& theFace = TopoDS_Face())
136 return StdMeshers_FaceSidePtr( new StdMeshers_FaceSide( theSideNodes, theFace ));
140 * \brief Return wires of a face as StdMeshers_FaceSide's
142 static TSideVector GetFaceWires(const TopoDS_Face& theFace,
143 SMESH_Mesh & theMesh,
144 const bool theIgnoreMediumNodes,
146 SMESH_ProxyMesh::Ptr theProxyMesh = SMESH_ProxyMesh::Ptr(),
147 const bool theCheckVertexNodes=true);
149 * \brief Change orientation of side geometry
153 * \brief Make ignore medium nodes
155 void SetIgnoreMediumNodes(bool toIgnore);
158 * \brief Return nb nodes on edges and vertices (+1 to be == GetUVPtStruct().size() ).
159 * Call it with update == true if mesh of this side can be recomputed
160 * since creation of this side
162 int NbPoints(const bool update = false) const;
164 * \brief Return nb edges
165 * Call it with update == true if mesh of this side can be recomputed
166 * since creation of this side
168 int NbSegments(const bool update = false) const;
172 SMESH_Mesh* GetMesh() const { return myProxyMesh->GetMesh(); }
174 * \brief Return true if there are vertices without nodes
176 bool MissVertexNode() const { return myMissingVertexNodes; }
179 * \brief Return detailed data on nodes
180 * \param isXConst - true if normalized parameter X is constant
181 * \param constValue - constant parameter value
183 * Missing nodes are allowed only on internal vertices.
184 * For a closed side, the 1st point repeats at end
186 const UVPtStructVec& GetUVPtStruct(bool isXConst =0, double constValue =0) const;
188 * \brief Simulates detailed data on nodes
189 * \param isXConst - true if normalized parameter X is constant
190 * \param constValue - constant parameter value
192 const UVPtStructVec& SimulateUVPtStruct(int nbSeg,
194 double constValue = 0) const;
196 * \brief Return nodes in the order they encounter while walking along
197 * the while side or a specified EDGE.
198 * For a closed side, the 1st point repeats at end
200 std::vector<const SMDS_MeshNode*> GetOrderedNodes(int iE=-1) const;
203 * \brief Return nodes of the i-th EDGE.
204 * Nodes moved to other geometry by MergeNodes() are also returned.
205 * \retval bool - is OK
207 bool GetEdgeNodes(const size_t i,
208 std::vector<const SMDS_MeshNode*>& nodes,
209 bool inlude1stVertex=true,
210 bool inludeLastVertex=true) const;
213 * \brief Return a node from the i-th VERTEX (count starts from zero)
214 * Nodes moved to other geometry by MergeNodes() are also returned.
216 const SMDS_MeshNode* VertexNode(std::size_t i, bool* isMoved = 0) const;
219 * \brief Return edge and parameter on edge by normalized parameter
221 inline double Parameter(double U, TopoDS_Edge & edge) const;
223 * \brief Return edge ID and parameter on edge by normalized parameter
225 inline double Parameter(double U, int & edgeID) const;
227 * \brief Return UV by normalized parameter
229 gp_Pnt2d Value2d(double U) const;
231 * \brief Return XYZ by normalized parameter
233 gp_Pnt Value3d(double U) const;
235 * \brief Creates a Adaptor2d_Curve2d to be used in SMESH_Block
237 Adaptor2d_Curve2d* GetCurve2d() const;
239 * \brief Creates a fully functional Adaptor_Curve
241 BRepAdaptor_CompCurve* GetCurve3d() const;
243 * \brief Return nb of wrapped edges
245 int NbEdges() const { return myEdge.size(); }
247 * \brief Return i-th edge (count starts from zero)
249 const TopoDS_Edge& Edge(int i) const { return myEdge[i]; }
251 * \brief Return all edges
253 const std::vector<TopoDS_Edge>& Edges() const { return myEdge; }
255 * \brief Return the FACE
257 const TopoDS_Face& Face() const { return myFace; }
259 * \brief Return 1st vertex of the i-th edge (count starts from zero)
261 TopoDS_Vertex FirstVertex(int i=0) const;
263 * \brief Return last vertex of the i-th edge (count starts from zero)
265 TopoDS_Vertex LastVertex(int i=-1) const;
267 * \brief Return \c true if the chain of EDGEs is closed
269 bool IsClosed() const;
271 * \brief Return side length
273 double Length() const { return myLength; }
275 * \brief Return edge index corresponding to normalized parameter
277 inline int EdgeIndex( double U ) const;
279 //virtual gp_Pnt Value(double U) const;
281 void dump(const char* msg=0) const;
284 * \brief Return ID of i-th wrapped edge (count starts from zero)
286 inline int EdgeID(int i) const;
288 * \brief Return p-curve of i-th wrapped edge (count starts from zero)
290 inline Handle(Geom2d_Curve) Curve2d(int i) const;
292 * \brief Return first normalized parameter of the i-th edge (count starts from zero)
294 inline double FirstParameter(int i) const;
296 * \brief Return last normalized parameter of the i-th edge (count starts from zero)
298 inline double LastParameter(int i) const;
300 * \brief Return first parameter of the i-th edge (count starts from zero).
301 * EDGE orientation is taken into account
303 inline double FirstU(int i) const;
305 * \brief Return last parameter of the i-th edge (count starts from zero).
306 * EDGE orientation is taken into account
308 inline double LastU(int i) const;
310 * \brief Return length of i-th wrapped edge (count starts from zero)
312 inline double EdgeLength(int i) const;
314 * \brief Return orientation of i-th wrapped edge (count starts from zero)
316 inline bool IsReversed(int i) const;
320 void reverseProxySubmesh( const TopoDS_Edge& E );
322 // DON't FORGET to update Reverse() when adding one more vector!
324 std::vector<uvPtStruct> myPoints, myFalsePoints;
325 std::vector<TopoDS_Edge> myEdge;
326 std::vector<int> myEdgeID;
327 std::vector<Handle(Geom2d_Curve)> myC2d;
328 std::vector<GeomAdaptor_Curve> myC3dAdaptor;
329 std::vector<double> myFirst, myLast;
330 std::vector<double> myNormPar;
331 std::vector<double> myEdgeLength;
332 std::vector<int> myIsUniform;
334 int myNbPonits, myNbSegments;
335 SMESH_ProxyMesh::Ptr myProxyMesh;
336 bool myMissingVertexNodes, myIgnoreMediumNodes;
337 gp_Pnt2d myDefaultPnt2d;
341 //================================================================================
343 * \brief Return edge index corresponding to normalized parameter
344 * \param U - the parameter
345 * \retval int - index
347 //================================================================================
349 inline int StdMeshers_FaceSide::EdgeIndex( double U ) const
351 int i = myNormPar.size() - 1;
352 while ( i > 0 && U < myNormPar[ i-1 ] ) --i;
356 //================================================================================
358 * \brief Return an edge and parameter on the edge by a normalized parameter
359 * \param U - normalized parameter
360 * \retval double - pameter on a curve
361 * \ warning The returned parameter can be inaccurate if the edge is non-uniformly
362 * parametrized. Use Value2d() to get a precise point on the edge
364 //================================================================================
366 inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const
368 int i = EdgeIndex( U );
370 double prevU = i ? myNormPar[ i-1 ] : 0;
371 double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
372 return myFirst[i] * ( 1 - r ) + myLast[i] * r;
375 //================================================================================
377 * \brief Return an edge ID and parameter on the edge by a normalized parameter
378 * \param U - normalized parameter
379 * \retval double - pameter on a curve
380 * \ warning The returned parameter can be inaccurate if the edge is non-uniformly
381 * parametrized. Use Value2d() to get a precise point on the edge
383 //================================================================================
385 inline double StdMeshers_FaceSide::Parameter(double U, int & edgeID) const
387 int i = EdgeIndex( U );
388 edgeID = myEdgeID[ i ];
389 double prevU = i ? myNormPar[ i-1 ] : 0;
390 double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
391 return myFirst[i] * ( 1 - r ) + myLast[i] * r;
394 //================================================================================
396 * \brief Return first normalized parameter of the i-th edge
398 //================================================================================
400 inline double StdMeshers_FaceSide::FirstParameter(int i) const
402 return i==0 ? 0. : i<(int)myNormPar.size() ? myNormPar[i-1] : 1.;
405 //================================================================================
407 * \brief Return ast normalized parameter of the i-th edge
409 //================================================================================
411 inline double StdMeshers_FaceSide::LastParameter(int i) const
413 return i < (int)myNormPar.size() ? myNormPar[i] : 1;
416 //================================================================================
418 * \brief Return first parameter of the i-th edge
420 //================================================================================
422 inline double StdMeshers_FaceSide::FirstU(int i) const
424 return myFirst[ i % myFirst.size() ];
427 //================================================================================
429 * \brief Return last parameter of the i-th edge
431 //================================================================================
433 inline double StdMeshers_FaceSide::LastU(int i) const
435 return myLast[ i % myLast.size() ];
438 //================================================================================
440 * \brief Return ID of i-th wrapped edge (count starts from zero)
442 //================================================================================
444 inline int StdMeshers_FaceSide::EdgeID(int i) const
446 return myEdgeID[ i % myEdgeID.size() ];
449 //================================================================================
451 * \brief Return p-curve of i-th wrapped edge (count starts from zero)
453 //================================================================================
455 inline Handle(Geom2d_Curve) StdMeshers_FaceSide::Curve2d(int i) const
457 return myC2d[ i % myC2d.size() ];
460 //================================================================================
462 * \brief Return length of i-th wrapped edge (count starts from zero)
464 //================================================================================
466 inline double StdMeshers_FaceSide::EdgeLength(int i) const
468 return myEdgeLength[ i % myEdgeLength.size() ];
471 //================================================================================
473 * \brief Return orientation of i-th wrapped edge (count starts from zero)
475 //================================================================================
477 inline bool StdMeshers_FaceSide::IsReversed(int i) const
479 return myFirst[i] > myLast[i];