1 // Copyright (C) 2007-2012 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
23 // File : SMESH_MeshEditor.hxx
24 // Created : Mon Apr 12 14:56:19 2004
25 // Author : Edward AGAPOV (eap)
28 #ifndef SMESH_MeshEditor_HeaderFile
29 #define SMESH_MeshEditor_HeaderFile
31 #include "SMESH_SMESH.hxx"
33 #include "SMDS_MeshElement.hxx"
34 #include "SMESH_Controls.hxx"
35 #include "SMESH_Mesh.hxx"
36 #include "SMESH_TypeDefs.hxx"
37 #include "SMESH_ComputeError.hxx"
39 #include <utilities.h>
41 #include <TColStd_HSequenceOfReal.hxx>
53 class SMESH_MesherHelper;
56 //=======================================================================
58 * \brief Searcher for the node closest to point
60 //=======================================================================
61 struct SMESH_NodeSearcher
63 virtual const SMDS_MeshNode* FindClosestTo( const gp_Pnt& pnt ) = 0;
64 virtual void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt ) = 0;
67 //=======================================================================
69 * \brief Searcher for elements
71 //=======================================================================
73 struct SMESH_ElementSearcher
76 * \brief Find elements of given type where the given point is IN or ON.
77 * Returns nb of found elements and elements them-selves.
79 * 'ALL' type means elements of any type excluding nodes and 0D elements
81 virtual int FindElementsByPoint(const gp_Pnt& point,
82 SMDSAbs_ElementType type,
83 std::vector< const SMDS_MeshElement* >& foundElems)=0;
85 * \brief Return an element most close to the given point
87 virtual const SMDS_MeshElement* FindClosestTo( const gp_Pnt& point,
88 SMDSAbs_ElementType type) = 0;
90 * \brief Return elements possibly intersecting the line
92 virtual void GetElementsNearLine( const gp_Ax1& line,
93 SMDSAbs_ElementType type,
94 std::vector< const SMDS_MeshElement* >& foundElems)=0;
96 * \brief Find out if the given point is out of closed 2D mesh.
98 virtual TopAbs_State GetPointState(const gp_Pnt& point) = 0;
102 // ============================================================
104 * \brief Editor of a mesh
106 // ============================================================
108 class SMESH_EXPORT SMESH_MeshEditor
112 SMESH_MeshEditor( SMESH_Mesh* theMesh );
114 SMESH_Mesh * GetMesh() { return myMesh; }
115 SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
117 const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
118 const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
119 void CrearLastCreated();
121 SMESH_ComputeErrorPtr & GetError() { return myError; }
126 SMDS_MeshElement* AddElement(const std::vector<const SMDS_MeshNode*> & nodes,
127 const SMDSAbs_ElementType type,
130 const double ballDiameter=0.);
134 SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
135 const SMDSAbs_ElementType type,
139 int Remove (const std::list< int >& theElemIDs, const bool isNodes);
140 // Remove a node or an element.
141 // Modify a compute state of sub-meshes which become empty
143 void Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
144 TIDSortedElemSet& all0DElems);
145 // Create 0D elements on all nodes of the given object except those
146 // nodes on which a 0D element already exists. \a all0DElems returns
147 // all 0D elements found or created on nodes of \a elements
149 bool InverseDiag (const SMDS_MeshElement * theTria1,
150 const SMDS_MeshElement * theTria2 );
151 // Replace two neighbour triangles with ones built on the same 4 nodes
152 // but having other common link.
153 // Return False if args are improper
155 bool InverseDiag (const SMDS_MeshNode * theNode1,
156 const SMDS_MeshNode * theNode2 );
157 // Replace two neighbour triangles sharing theNode1-theNode2 link
158 // with ones built on the same 4 nodes but having other common link.
159 // Return false if proper faces not found
161 bool DeleteDiag (const SMDS_MeshNode * theNode1,
162 const SMDS_MeshNode * theNode2 );
163 // Replace two neighbour triangles sharing theNode1-theNode2 link
164 // with a quadrangle built on the same 4 nodes.
165 // Return false if proper faces not found
167 bool Reorient (const SMDS_MeshElement * theElement);
168 // Reverse theElement orientation
170 int Reorient2D (TIDSortedElemSet & theFaces,
171 const gp_Dir& theDirection,
172 const SMDS_MeshElement * theFace);
173 // Reverse theFaces whose orientation to be same as that of theFace
174 // oriented according to theDirection. Return nb of reoriented faces
177 * \brief Fuse neighbour triangles into quadrangles.
178 * \param theElems - The triangles to be fused.
179 * \param theCriterion - Is used to choose a neighbour to fuse with.
180 * \param theMaxAngle - Is a max angle between element normals at which fusion
181 * is still performed; theMaxAngle is mesured in radians.
182 * \return bool - Success or not.
184 bool TriToQuad (TIDSortedElemSet & theElems,
185 SMESH::Controls::NumericalFunctorPtr theCriterion,
186 const double theMaxAngle);
189 * \brief Split quadrangles into triangles.
190 * \param theElems - The faces to be splitted.
191 * \param theCriterion - Is used to choose a diagonal for splitting.
192 * \return bool - Success or not.
194 bool QuadToTri (TIDSortedElemSet & theElems,
195 SMESH::Controls::NumericalFunctorPtr theCriterion);
198 * \brief Split quadrangles into triangles.
199 * \param theElems - The faces to be splitted.
200 * \param the13Diag - Is used to choose a diagonal for splitting.
201 * \return bool - Success or not.
203 bool QuadToTri (TIDSortedElemSet & theElems,
204 const bool the13Diag);
207 * \brief Find better diagonal for splitting.
208 * \param theQuad - The face to find better splitting of.
209 * \param theCriterion - Is used to choose a diagonal for splitting.
210 * \return int - 1 for 1-3 diagonal, 2 for 2-4, -1 - for errors.
212 int BestSplit (const SMDS_MeshElement* theQuad,
213 SMESH::Controls::NumericalFunctorPtr theCriterion);
216 enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, HEXA_TO_6 = 2, HEXA_TO_24 = 3 };//!<arg of SplitVolumesIntoTetra()
218 * \brief Split volumic elements into tetrahedra.
220 void SplitVolumesIntoTetra (const TIDSortedElemSet & theElems, const int theMethodFlags);
223 enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
225 void Smooth (TIDSortedElemSet & theElements,
226 std::set<const SMDS_MeshNode*> & theFixedNodes,
227 const SmoothMethod theSmoothMethod,
228 const int theNbIterations,
229 double theTgtAspectRatio = 1.0,
230 const bool the2D = true);
231 // Smooth theElements using theSmoothMethod during theNbIterations
232 // or until a worst element has aspect ratio <= theTgtAspectRatio.
233 // Aspect Ratio varies in range [1.0, inf].
234 // If theElements is empty, the whole mesh is smoothed.
235 // theFixedNodes contains additionally fixed nodes. Nodes built
236 // on edges and boundary nodes are always fixed.
237 // If the2D, smoothing is performed using UV parameters of nodes
238 // on geometrical faces
240 typedef std::auto_ptr< std::list<int> > PGroupIDs;
242 PGroupIDs RotationSweep (TIDSortedElemSet & theElements,
243 const gp_Ax1& theAxis,
244 const double theAngle,
245 const int theNbSteps,
246 const double theToler,
247 const bool theMakeGroups,
248 const bool theMakeWalls=true);
249 // Generate new elements by rotation of theElements around theAxis
250 // by theAngle by theNbSteps
253 * Auxilary flag for advanced extrusion.
254 * BOUNDARY: create or not boundary for result of extrusion
255 * SEW: try to use existing nodes or create new nodes in any case
257 enum ExtrusionFlags {
258 EXTRUSION_FLAG_BOUNDARY = 0x01,
259 EXTRUSION_FLAG_SEW = 0x02
263 * special structure for control of extrusion functionality
266 gp_Dir myDir; // direction of extrusion
267 Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
268 SMESH_SequenceOfNode myNodes; // nodes for using in sewing
272 * Create new node in the mesh with given coordinates
273 * (auxiliary for advanced extrusion)
275 const SMDS_MeshNode* CreateNode(const double x,
278 const double tolnode,
279 SMESH_SequenceOfNode& aNodes);
282 * Generate new elements by extrusion of theElements
283 * It is a method used in .idl file. All functionality
284 * is implemented in the next method (see below) which
285 * is used in the current method.
286 * @param theElems - list of elements for extrusion
287 * @param newElemsMap returns history of extrusion
288 * @param theFlags set flags for performing extrusion (see description
289 * of enum ExtrusionFlags for additional information)
290 * @param theTolerance - uses for comparing locations of nodes if flag
291 * EXTRUSION_FLAG_SEW is set
293 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
294 const gp_Vec& theStep,
295 const int theNbSteps,
296 TElemOfElemListMap& newElemsMap,
297 const bool theMakeGroups,
298 const int theFlags = EXTRUSION_FLAG_BOUNDARY,
299 const double theTolerance = 1.e-6);
302 * Generate new elements by extrusion of theElements
303 * @param theElems - list of elements for extrusion
304 * @param newElemsMap returns history of extrusion
305 * @param theFlags set flags for performing extrusion (see description
306 * of enum ExtrusionFlags for additional information)
307 * @param theTolerance - uses for comparing locations of nodes if flag
308 * EXTRUSION_FLAG_SEW is set
309 * @param theParams - special structure for manage of extrusion
311 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
312 ExtrusParam& theParams,
313 TElemOfElemListMap& newElemsMap,
314 const bool theMakeGroups,
316 const double theTolerance);
319 // Generate new elements by extrusion of theElements
320 // by theStep by theNbSteps
322 enum Extrusion_Error {
327 EXTR_BAD_STARTING_NODE,
328 EXTR_BAD_ANGLES_NUMBER,
329 EXTR_CANT_GET_TANGENT
332 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
333 SMESH_subMesh* theTrackPattern,
334 const SMDS_MeshNode* theNodeStart,
335 const bool theHasAngles,
336 std::list<double>& theAngles,
337 const bool theLinearVariation,
338 const bool theHasRefPoint,
339 const gp_Pnt& theRefPoint,
340 const bool theMakeGroups);
341 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
342 SMESH_Mesh* theTrackPattern,
343 const SMDS_MeshNode* theNodeStart,
344 const bool theHasAngles,
345 std::list<double>& theAngles,
346 const bool theLinearVariation,
347 const bool theHasRefPoint,
348 const gp_Pnt& theRefPoint,
349 const bool theMakeGroups);
350 // Generate new elements by extrusion of theElements along path given by theTrackPattern,
351 // theHasAngles are the rotation angles, base point can be given by theRefPoint
353 PGroupIDs Transform (TIDSortedElemSet & theElements,
354 const gp_Trsf& theTrsf,
356 const bool theMakeGroups,
357 SMESH_Mesh* theTargetMesh=0);
358 // Move or copy theElements applying theTrsf to their nodes
361 * \brief Return SMESH_NodeSearcher. The caller is responsible for deleteing it
363 SMESH_NodeSearcher* GetNodeSearcher();
366 * \brief Return SMESH_ElementSearcher. The caller is responsible for deleting it
368 SMESH_ElementSearcher* GetElementSearcher();
369 SMESH_ElementSearcher* GetElementSearcher( SMDS_ElemIteratorPtr elemIt );
371 typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
373 void FindCoincidentNodes (TIDSortedNodeSet & theNodes,
374 const double theTolerance,
375 TListOfListOfNodes & theGroupsOfNodes);
376 // Return list of group of nodes close to each other within theTolerance.
377 // Search among theNodes or in the whole mesh if theNodes is empty.
379 void MergeNodes (TListOfListOfNodes & theNodeGroups);
380 // In each group, the cdr of nodes are substituted by the first one
383 typedef std::list< std::list< int > > TListOfListOfElementsID;
385 void FindEqualElements(TIDSortedElemSet & theElements,
386 TListOfListOfElementsID & theGroupsOfElementsID);
387 // Return list of group of elements build on the same nodes.
388 // Search among theElements or in the whole mesh if theElements is empty.
390 void MergeElements(TListOfListOfElementsID & theGroupsOfElementsID);
391 // In each group remove all but first of elements.
393 void MergeEqualElements();
394 // Remove all but one of elements built on the same nodes.
395 // Return nb of successfully merged groups.
398 * \brief Return true if the point is IN or ON of the element
400 static bool IsOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol );
402 static double GetDistance( const SMDS_MeshFace* face, const gp_Pnt& point );
404 int SimplifyFace (const std::vector<const SMDS_MeshNode *> faceNodes,
405 std::vector<const SMDS_MeshNode *>& poly_nodes,
406 std::vector<int>& quantities) const;
407 // Split face, defined by <faceNodes>, into several faces by repeating nodes.
408 // Is used by MergeNodes()
410 static bool CheckFreeBorderNodes(const SMDS_MeshNode* theNode1,
411 const SMDS_MeshNode* theNode2,
412 const SMDS_MeshNode* theNode3 = 0);
413 // Return true if the three nodes are on a free border
415 static bool FindFreeBorder (const SMDS_MeshNode* theFirstNode,
416 const SMDS_MeshNode* theSecondNode,
417 const SMDS_MeshNode* theLastNode,
418 std::list< const SMDS_MeshNode* > & theNodes,
419 std::list< const SMDS_MeshElement* >& theFaces);
420 // Return nodes and faces of a free border if found
424 // for SewFreeBorder()
425 SEW_BORDER1_NOT_FOUND,
426 SEW_BORDER2_NOT_FOUND,
427 SEW_BOTH_BORDERS_NOT_FOUND,
429 SEW_VOLUMES_TO_SPLIT,
430 // for SewSideElements()
431 SEW_DIFF_NB_OF_ELEMENTS,
432 SEW_TOPO_DIFF_SETS_OF_ELEMENTS,
439 Sew_Error SewFreeBorder (const SMDS_MeshNode* theBorderFirstNode,
440 const SMDS_MeshNode* theBorderSecondNode,
441 const SMDS_MeshNode* theBorderLastNode,
442 const SMDS_MeshNode* theSide2FirstNode,
443 const SMDS_MeshNode* theSide2SecondNode,
444 const SMDS_MeshNode* theSide2ThirdNode = 0,
445 const bool theSide2IsFreeBorder = true,
446 const bool toCreatePolygons = false,
447 const bool toCreatePolyedrs = false);
448 // Sew the free border to the side2 by replacing nodes in
449 // elements on the free border with nodes of the elements
450 // of the side 2. If nb of links in the free border and
451 // between theSide2FirstNode and theSide2LastNode are different,
452 // additional nodes are inserted on a link provided that no
453 // volume elements share the splitted link.
454 // The side 2 is a free border if theSide2IsFreeBorder == true.
455 // Sewing is peformed between the given first, second and last
456 // nodes on the sides.
457 // theBorderFirstNode is merged with theSide2FirstNode.
458 // if (!theSide2IsFreeBorder) then theSide2SecondNode gives
459 // the last node on the side 2, which will be merged with
460 // theBorderLastNode.
461 // if (theSide2IsFreeBorder) then theSide2SecondNode will
462 // be merged with theBorderSecondNode.
463 // if (theSide2IsFreeBorder && theSide2ThirdNode == 0) then
464 // the 2 free borders are sewn link by link and no additional
465 // nodes are inserted.
466 // Return false, if sewing failed.
468 Sew_Error SewSideElements (TIDSortedElemSet& theSide1,
469 TIDSortedElemSet& theSide2,
470 const SMDS_MeshNode* theFirstNode1ToMerge,
471 const SMDS_MeshNode* theFirstNode2ToMerge,
472 const SMDS_MeshNode* theSecondNode1ToMerge,
473 const SMDS_MeshNode* theSecondNode2ToMerge);
474 // Sew two sides of a mesh. Nodes belonging to theSide1 are
475 // merged with nodes of elements of theSide2.
476 // Number of elements in theSide1 and in theSide2 must be
477 // equal and they should have similar node connectivity.
478 // The nodes to merge should belong to side s borders and
479 // the first node should be linked to the second.
481 void InsertNodesIntoLink(const SMDS_MeshElement* theFace,
482 const SMDS_MeshNode* theBetweenNode1,
483 const SMDS_MeshNode* theBetweenNode2,
484 std::list<const SMDS_MeshNode*>& theNodesToInsert,
485 const bool toCreatePoly = false);
486 // insert theNodesToInsert into theFace between theBetweenNode1 and theBetweenNode2.
487 // If toCreatePoly is true, replace theFace by polygon, else split theFace.
489 void UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
490 const SMDS_MeshNode* theBetweenNode2,
491 std::list<const SMDS_MeshNode*>& theNodesToInsert);
492 // insert theNodesToInsert into all volumes, containing link
493 // theBetweenNode1 - theBetweenNode2, between theBetweenNode1 and theBetweenNode2.
495 void ConvertToQuadratic(const bool theForce3d);
496 void ConvertToQuadratic(const bool theForce3d, TIDSortedElemSet& theElements);
497 // Converts all mesh to quadratic one, deletes old elements, replacing
498 // them with quadratic ones with the same id.
499 // If theForce3d = 1; this results in the medium node lying at the
500 // middle of the line segments connecting start and end node of a mesh
502 // If theForce3d = 0; this results in the medium node lying at the
503 // geometrical edge from which the mesh element is built
505 bool ConvertFromQuadratic();
506 void ConvertFromQuadratic(TIDSortedElemSet& theElements);
507 // Converts all mesh from quadratic to ordinary ones, deletes old quadratic elements, replacing
508 // them with ordinary mesh elements with the same id.
509 // Returns true in case of success, false otherwise.
511 static void AddToSameGroups (const SMDS_MeshElement* elemToAdd,
512 const SMDS_MeshElement* elemInGroups,
513 SMESHDS_Mesh * aMesh);
514 // Add elemToAdd to the all groups the elemInGroups belongs to
516 static void RemoveElemFromGroups (const SMDS_MeshElement* element,
517 SMESHDS_Mesh * aMesh);
518 // remove element from the all groups
520 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
521 const SMDS_MeshElement* elemToAdd,
522 SMESHDS_Mesh * aMesh);
523 // replace elemToRm by elemToAdd in the all groups
525 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
526 const std::vector<const SMDS_MeshElement*>& elemToAdd,
527 SMESHDS_Mesh * aMesh);
528 // replace elemToRm by elemToAdd in the all groups
531 * \brief Return nodes linked to the given one in elements of the type
533 static void GetLinkedNodes( const SMDS_MeshNode* node,
534 TIDSortedElemSet & linkedNodes,
535 SMDSAbs_ElementType type = SMDSAbs_All );
537 static const SMDS_MeshElement* FindFaceInSet(const SMDS_MeshNode* n1,
538 const SMDS_MeshNode* n2,
539 const TIDSortedElemSet& elemSet,
540 const TIDSortedElemSet& avoidSet,
543 // Return a face having linked nodes n1 and n2 and which is
544 // - not in avoidSet,
545 // - in elemSet provided that !elemSet.empty()
546 // i1 and i2 optionally returns indices of n1 and n2
549 * \brief Find corresponding nodes in two sets of faces
550 * \param theSide1 - first face set
551 * \param theSide2 - second first face
552 * \param theFirstNode1 - a boundary node of set 1
553 * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
554 * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
555 * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
556 * \param nReplaceMap - output map of corresponding nodes
557 * \return Sew_Error - is a success or not
559 static Sew_Error FindMatchingNodes(std::set<const SMDS_MeshElement*>& theSide1,
560 std::set<const SMDS_MeshElement*>& theSide2,
561 const SMDS_MeshNode* theFirstNode1,
562 const SMDS_MeshNode* theFirstNode2,
563 const SMDS_MeshNode* theSecondNode1,
564 const SMDS_MeshNode* theSecondNode2,
565 TNodeNodeMap & theNodeReplaceMap);
568 * \brief Returns true if given node is medium
569 * \param n - node to check
570 * \param typeToCheck - type of elements containing the node to ask about node status
571 * \return bool - check result
573 static bool IsMedium(const SMDS_MeshNode* node,
574 const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
576 int FindShape (const SMDS_MeshElement * theElem);
577 // Return an index of the shape theElem is on
578 // or zero if a shape not found
580 bool DoubleNodes( const std::list< int >& theListOfNodes,
581 const std::list< int >& theListOfModifiedElems );
583 bool DoubleNodes( const TIDSortedElemSet& theElems,
584 const TIDSortedElemSet& theNodesNot,
585 const TIDSortedElemSet& theAffectedElems );
587 bool AffectedElemGroupsInRegion( const TIDSortedElemSet& theElems,
588 const TIDSortedElemSet& theNodesNot,
589 const TopoDS_Shape& theShape,
590 TIDSortedElemSet& theAffectedElems);
592 bool DoubleNodesInRegion( const TIDSortedElemSet& theElems,
593 const TIDSortedElemSet& theNodesNot,
594 const TopoDS_Shape& theShape );
596 double OrientedAngle(const gp_Pnt& p0, const gp_Pnt& p1, const gp_Pnt& g1, const gp_Pnt& g2);
598 bool DoubleNodesOnGroupBoundaries( const std::vector<TIDSortedElemSet>& theElems,
599 bool createJointElems);
601 bool CreateFlatElementsOnFacesGroups( const std::vector<TIDSortedElemSet>& theElems );
603 void CreateHoleSkin(double radius,
604 const TopoDS_Shape& theShape,
605 SMESH_NodeSearcher* theNodeSearcher,
606 const char* groupName,
607 std::vector<double>& nodesCoords,
608 std::vector<std::vector<int> >& listOfListOfNodes);
611 * \brief Generated skin mesh (containing 2D cells) from 3D mesh
612 * The created 2D mesh elements based on nodes of free faces of boundary volumes
613 * \return TRUE if operation has been completed successfully, FALSE otherwise
615 bool Make2DMeshFrom3D();
617 enum Bnd_Dimension { BND_2DFROM3D, BND_1DFROM3D, BND_1DFROM2D };
619 int MakeBoundaryMesh(const TIDSortedElemSet& elements,
620 Bnd_Dimension dimension,
621 SMESH_Group* group = 0,
622 SMESH_Mesh* targetMesh = 0,
623 bool toCopyElements = false,
624 bool toCopyExistingBondary = false,
625 bool toAddExistingBondary = false,
626 bool aroundElements = false);
632 * \brief Convert elements contained in a submesh to quadratic
633 * \return int - nb of checked elements
635 int convertElemToQuadratic(SMESHDS_SubMesh * theSm,
636 SMESH_MesherHelper& theHelper,
637 const bool theForce3d);
640 * \brief Convert quadratic elements to linear ones and remove quadratic nodes
641 * \return nb of checked elements
643 int removeQuadElem( SMESHDS_SubMesh * theSm,
644 SMDS_ElemIteratorPtr theItr,
645 const int theShapeID);
647 * \brief Create groups of elements made during transformation
648 * \param nodeGens - nodes making corresponding myLastCreatedNodes
649 * \param elemGens - elements making corresponding myLastCreatedElems
650 * \param postfix - to append to names of new groups
652 PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
653 const SMESH_SequenceOfElemPtr& elemGens,
654 const std::string& postfix,
655 SMESH_Mesh* targetMesh=0);
658 typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
659 typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
660 typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
661 typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap > TElemOfVecOfNnlmiMap;
664 * \brief Create elements by sweeping an element
665 * \param elem - element to sweep
666 * \param newNodesItVec - nodes generated from each node of the element
667 * \param newElems - generated elements
668 * \param nbSteps - number of sweeping steps
669 * \param srcElements - to append elem for each generated element
671 void sweepElement(const SMDS_MeshElement* elem,
672 const std::vector<TNodeOfNodeListMapItr> & newNodesItVec,
673 std::list<const SMDS_MeshElement*>& newElems,
675 SMESH_SequenceOfElemPtr& srcElements);
678 * \brief Create 1D and 2D elements around swept elements
679 * \param mapNewNodes - source nodes and ones generated from them
680 * \param newElemsMap - source elements and ones generated from them
681 * \param elemNewNodesMap - nodes generated from each node of each element
682 * \param elemSet - all swept elements
683 * \param nbSteps - number of sweeping steps
684 * \param srcElements - to append elem for each generated element
686 void makeWalls (TNodeOfNodeListMap & mapNewNodes,
687 TElemOfElemListMap & newElemsMap,
688 TElemOfVecOfNnlmiMap & elemNewNodesMap,
689 TIDSortedElemSet& elemSet,
691 SMESH_SequenceOfElemPtr& srcElements);
693 struct SMESH_MeshEditor_PathPoint
697 double myAngle, myPrm;
699 SMESH_MeshEditor_PathPoint(): myPnt(99., 99., 99.), myTgt(1.,0.,0.), myAngle(0), myPrm(0) {}
700 void SetPnt (const gp_Pnt& aP3D) { myPnt =aP3D; }
701 void SetTangent (const gp_Dir& aTgt) { myTgt =aTgt; }
702 void SetAngle (const double& aBeta) { myAngle=aBeta; }
703 void SetParameter(const double& aPrm) { myPrm =aPrm; }
704 const gp_Pnt& Pnt ()const { return myPnt; }
705 const gp_Dir& Tangent ()const { return myTgt; }
706 double Angle ()const { return myAngle; }
707 double Parameter ()const { return myPrm; }
709 Extrusion_Error MakeEdgePathPoints(std::list<double>& aPrms,
710 const TopoDS_Edge& aTrackEdge,
712 std::list<SMESH_MeshEditor_PathPoint>& aLPP);
713 Extrusion_Error MakeExtrElements(TIDSortedElemSet& theElements,
714 std::list<SMESH_MeshEditor_PathPoint>& theFullList,
715 const bool theHasAngles,
716 std::list<double>& theAngles,
717 const bool theLinearVariation,
718 const bool theHasRefPoint,
719 const gp_Pnt& theRefPoint,
720 const bool theMakeGroups);
721 void LinearAngleVariation(const int NbSteps,
722 list<double>& theAngles);
724 bool doubleNodes( SMESHDS_Mesh* theMeshDS,
725 const TIDSortedElemSet& theElems,
726 const TIDSortedElemSet& theNodesNot,
727 std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
728 const bool theIsDoubleElem );
734 // Nodes and elements created during last operation
735 SMESH_SequenceOfElemPtr myLastCreatedNodes, myLastCreatedElems;
737 // Description of error/warning occured during last operation
738 SMESH_ComputeErrorPtr myError;