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_I : idl implementation based on 'SMESH' unit's calsses
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_SequenceOfElemPtr.hxx"
37 #include "SMESH_SequenceOfNode.hxx"
39 #include <utilities.h>
41 #include <TColStd_HSequenceOfReal.hxx>
53 class SMESH_MesherHelper;
56 typedef std::map<const SMDS_MeshElement*,
57 std::list<const SMDS_MeshElement*> > TElemOfElemListMap;
58 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> TNodeNodeMap;
60 //!< Set of elements sorted by ID, to be used to assure predictability of edition
61 typedef std::set< const SMDS_MeshElement*, TIDCompare > TIDSortedElemSet;
63 typedef pair< const SMDS_MeshNode*, const SMDS_MeshNode* > NLink;
66 //=======================================================================
68 * \brief Searcher for the node closest to point
70 //=======================================================================
71 struct SMESH_NodeSearcher
73 virtual const SMDS_MeshNode* FindClosestTo( const gp_Pnt& pnt ) = 0;
74 virtual void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt ) = 0;
77 //=======================================================================
79 * \brief Find elements of given type where the given point is IN or ON.
80 * Returns nb of found elements and elements them-selves.
81 * Another task is to find out if the given point is out of closed 2D mesh.
83 * 'ALL' type means elements of any type excluding nodes and 0D elements
85 //=======================================================================
87 struct SMESH_ElementSearcher
89 virtual int FindElementsByPoint(const gp_Pnt& point,
90 SMDSAbs_ElementType type,
91 std::vector< const SMDS_MeshElement* >& foundElems)=0;
93 virtual TopAbs_State GetPointState(const gp_Pnt& point) = 0;
96 //=======================================================================
98 * \brief A sorted pair of nodes
100 //=======================================================================
102 struct SMESH_TLink: public NLink
104 SMESH_TLink(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ):NLink( n1, n2 )
105 { if ( n1->GetID() < n2->GetID() ) std::swap( first, second ); }
106 SMESH_TLink(const NLink& link ):NLink( link )
107 { if ( first->GetID() < second->GetID() ) std::swap( first, second ); }
108 const SMDS_MeshNode* node1() const { return first; }
109 const SMDS_MeshNode* node2() const { return second; }
113 // ============================================================
115 * \brief Editor of a mesh
117 // ============================================================
119 class SMESH_EXPORT SMESH_MeshEditor
122 //------------------------------------------
124 * \brief SMDS_MeshNode -> gp_XYZ convertor
126 //------------------------------------------
127 struct TNodeXYZ : public gp_XYZ
129 const SMDS_MeshNode* _node;
130 TNodeXYZ( const SMDS_MeshElement* e):gp_XYZ(0,0,0),_node(0) {
132 ASSERT( e->GetType() == SMDSAbs_Node );
133 _node = static_cast<const SMDS_MeshNode*>(e);
134 SetCoord( _node->X(), _node->Y(), _node->Z() );
137 double Distance(const SMDS_MeshNode* n) const { return (TNodeXYZ( n )-*this).Modulus(); }
138 double SquareDistance(const SMDS_MeshNode* n) const { return (TNodeXYZ( n )-*this).SquareModulus(); }
139 bool operator==(const TNodeXYZ& other) const { return _node == other._node; }
144 SMESH_MeshEditor( SMESH_Mesh* theMesh );
149 SMDS_MeshElement* AddElement(const std::vector<const SMDS_MeshNode*> & nodes,
150 const SMDSAbs_ElementType type,
156 SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
157 const SMDSAbs_ElementType type,
161 bool Remove (const std::list< int >& theElemIDs, const bool isNodes);
162 // Remove a node or an element.
163 // Modify a compute state of sub-meshes which become empty
165 bool InverseDiag (const SMDS_MeshElement * theTria1,
166 const SMDS_MeshElement * theTria2 );
167 // Replace two neighbour triangles with ones built on the same 4 nodes
168 // but having other common link.
169 // Return False if args are improper
171 bool InverseDiag (const SMDS_MeshNode * theNode1,
172 const SMDS_MeshNode * theNode2 );
173 // Replace two neighbour triangles sharing theNode1-theNode2 link
174 // with ones built on the same 4 nodes but having other common link.
175 // Return false if proper faces not found
177 bool DeleteDiag (const SMDS_MeshNode * theNode1,
178 const SMDS_MeshNode * theNode2 );
179 // Replace two neighbour triangles sharing theNode1-theNode2 link
180 // with a quadrangle built on the same 4 nodes.
181 // Return false if proper faces not found
183 bool Reorient (const SMDS_MeshElement * theElement);
184 // Reverse theElement orientation
188 * \brief Fuse neighbour triangles into quadrangles.
189 * \param theElems - The triangles to be fused.
190 * \param theCriterion - Is used to choose a neighbour to fuse with.
191 * \param theMaxAngle - Is a max angle between element normals at which fusion
192 * is still performed; theMaxAngle is mesured in radians.
193 * \retval bool - Success or not.
195 bool TriToQuad (TIDSortedElemSet & theElems,
196 SMESH::Controls::NumericalFunctorPtr theCriterion,
197 const double theMaxAngle);
200 * \brief Split quadrangles into triangles.
201 * \param theElems - The faces to be splitted.
202 * \param theCriterion - Is used to choose a diagonal for splitting.
203 * \retval bool - Success or not.
205 bool QuadToTri (TIDSortedElemSet & theElems,
206 SMESH::Controls::NumericalFunctorPtr theCriterion);
209 * \brief Split quadrangles into triangles.
210 * \param theElems - The faces to be splitted.
211 * \param the13Diag - Is used to choose a diagonal for splitting.
212 * \retval bool - Success or not.
214 bool QuadToTri (TIDSortedElemSet & theElems,
215 const bool the13Diag);
218 * \brief Find better diagonal for splitting.
219 * \param theQuad - The face to find better splitting of.
220 * \param theCriterion - Is used to choose a diagonal for splitting.
221 * \retval int - 1 for 1-3 diagonal, 2 for 2-4, -1 - for errors.
223 int BestSplit (const SMDS_MeshElement* theQuad,
224 SMESH::Controls::NumericalFunctorPtr theCriterion);
227 enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, HEXA_TO_6 = 2 };//!<arg of SplitVolumesIntoTetra()
229 * \brief Split volumic elements into tetrahedra.
231 //void SplitVolumesIntoTetra (const TIDSortedElemSet & theElems, const int theMethodFlags);
234 enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
236 void Smooth (TIDSortedElemSet & theElements,
237 std::set<const SMDS_MeshNode*> & theFixedNodes,
238 const SmoothMethod theSmoothMethod,
239 const int theNbIterations,
240 double theTgtAspectRatio = 1.0,
241 const bool the2D = true);
242 // Smooth theElements using theSmoothMethod during theNbIterations
243 // or until a worst element has aspect ratio <= theTgtAspectRatio.
244 // Aspect Ratio varies in range [1.0, inf].
245 // If theElements is empty, the whole mesh is smoothed.
246 // theFixedNodes contains additionally fixed nodes. Nodes built
247 // on edges and boundary nodes are always fixed.
248 // If the2D, smoothing is performed using UV parameters of nodes
249 // on geometrical faces
251 typedef std::auto_ptr< std::list<int> > PGroupIDs;
253 PGroupIDs RotationSweep (TIDSortedElemSet & theElements,
254 const gp_Ax1& theAxis,
255 const double theAngle,
256 const int theNbSteps,
257 const double theToler,
258 const bool theMakeGroups,
259 const bool theMakeWalls=true);
260 // Generate new elements by rotation of theElements around theAxis
261 // by theAngle by theNbSteps
264 * Auxilary flag for advanced extrusion.
265 * BOUNDARY: create or not boundary for result of extrusion
266 * SEW: try to use existing nodes or create new nodes in any case
268 enum ExtrusionFlags {
269 EXTRUSION_FLAG_BOUNDARY = 0x01,
270 EXTRUSION_FLAG_SEW = 0x02
274 * special structire for control of extrusion functionality
277 gp_Dir myDir; // direction of extrusion
278 Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
279 SMESH_SequenceOfNode myNodes; // nodes for using in sewing
283 * Create new node in the mesh with given coordinates
284 * (auxilary for advanced extrusion)
286 const SMDS_MeshNode* CreateNode(const double x,
289 const double tolnode,
290 SMESH_SequenceOfNode& aNodes);
293 * Generate new elements by extrusion of theElements
294 * It is a method used in .idl file. All functionality
295 * is implemented in the next method (see below) which
296 * is used in the cuurent method.
297 * param theElems - list of elements for extrusion
298 * param newElemsMap returns history of extrusion
299 * param theFlags set flags for performing extrusion (see description
300 * of enum ExtrusionFlags for additional information)
301 * param theTolerance - uses for comparing locations of nodes if flag
302 * EXTRUSION_FLAG_SEW is set
304 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
305 const gp_Vec& theStep,
306 const int theNbSteps,
307 TElemOfElemListMap& newElemsMap,
308 const bool theMakeGroups,
309 const int theFlags = EXTRUSION_FLAG_BOUNDARY,
310 const double theTolerance = 1.e-6);
313 * Generate new elements by extrusion of theElements
314 * param theElems - list of elements for extrusion
315 * param newElemsMap returns history of extrusion
316 * param theFlags set flags for performing extrusion (see description
317 * of enum ExtrusionFlags for additional information)
318 * param theTolerance - uses for comparing locations of nodes if flag
319 * EXTRUSION_FLAG_SEW is set
320 * param theParams - special structure for manage of extrusion
322 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
323 ExtrusParam& theParams,
324 TElemOfElemListMap& newElemsMap,
325 const bool theMakeGroups,
327 const double theTolerance);
330 // Generate new elements by extrusion of theElements
331 // by theStep by theNbSteps
333 enum Extrusion_Error {
338 EXTR_BAD_STARTING_NODE,
339 EXTR_BAD_ANGLES_NUMBER,
340 EXTR_CANT_GET_TANGENT
343 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
344 SMESH_subMesh* theTrackPattern,
345 const SMDS_MeshNode* theNodeStart,
346 const bool theHasAngles,
347 std::list<double>& theAngles,
348 const bool theLinearVariation,
349 const bool theHasRefPoint,
350 const gp_Pnt& theRefPoint,
351 const bool theMakeGroups);
352 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
353 SMESH_Mesh* theTrackPattern,
354 const SMDS_MeshNode* theNodeStart,
355 const bool theHasAngles,
356 std::list<double>& theAngles,
357 const bool theLinearVariation,
358 const bool theHasRefPoint,
359 const gp_Pnt& theRefPoint,
360 const bool theMakeGroups);
361 // Generate new elements by extrusion of theElements along path given by theTrackPattern,
362 // theHasAngles are the rotation angles, base point can be given by theRefPoint
364 PGroupIDs Transform (TIDSortedElemSet & theElements,
365 const gp_Trsf& theTrsf,
367 const bool theMakeGroups,
368 SMESH_Mesh* theTargetMesh=0);
369 // Move or copy theElements applying theTrsf to their nodes
373 * Generate new elements by extrusion of theElements
374 * param theElems - list of elements for scale
375 * param thePoint - base point for scale
376 * param theScaleFact - scale factors for axises
377 * param theCopy - allows copying the translated elements
378 * param theMakeGroups - forces the generation of new groups from existing ones
379 * param theTargetMesh - the name of the newly created mesh
380 * return instance of Mesh class
382 PGroupIDs Scale (TIDSortedElemSet& theElements,
383 const gp_Pnt& thePoint,
384 const std::list<double>& theScaleFact,
386 const bool theMakeGroups,
387 SMESH_Mesh* theTargetMesh=0);
389 typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
391 void FindCoincidentNodes (std::set<const SMDS_MeshNode*> & theNodes,
392 const double theTolerance,
393 TListOfListOfNodes & theGroupsOfNodes);
394 // Return list of group of nodes close to each other within theTolerance.
395 // Search among theNodes or in the whole mesh if theNodes is empty.
398 * \brief Return SMESH_NodeSearcher
400 SMESH_NodeSearcher* GetNodeSearcher();
403 * \brief Return SMESH_ElementSearcher
405 SMESH_ElementSearcher* GetElementSearcher();
407 * \brief Return true if the point is IN or ON of the element
409 static bool isOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol );
412 int SimplifyFace (const std::vector<const SMDS_MeshNode *> faceNodes,
413 std::vector<const SMDS_MeshNode *>& poly_nodes,
414 std::vector<int>& quantities) const;
415 // Split face, defined by <faceNodes>, into several faces by repeating nodes.
416 // Is used by MergeNodes()
418 void MergeNodes (TListOfListOfNodes & theNodeGroups);
419 // In each group, the cdr of nodes are substituted by the first one
422 typedef std::list< std::list< int > > TListOfListOfElementsID;
424 void FindEqualElements(std::set<const SMDS_MeshElement*> & theElements,
425 TListOfListOfElementsID & theGroupsOfElementsID);
426 // Return list of group of elements build on the same nodes.
427 // Search among theElements or in the whole mesh if theElements is empty.
429 void MergeElements(TListOfListOfElementsID & theGroupsOfElementsID);
430 // In each group remove all but first of elements.
432 void MergeEqualElements();
433 // Remove all but one of elements built on the same nodes.
434 // Return nb of successfully merged groups.
436 static bool CheckFreeBorderNodes(const SMDS_MeshNode* theNode1,
437 const SMDS_MeshNode* theNode2,
438 const SMDS_MeshNode* theNode3 = 0);
439 // Return true if the three nodes are on a free border
441 static bool FindFreeBorder (const SMDS_MeshNode* theFirstNode,
442 const SMDS_MeshNode* theSecondNode,
443 const SMDS_MeshNode* theLastNode,
444 std::list< const SMDS_MeshNode* > & theNodes,
445 std::list< const SMDS_MeshElement* >& theFaces);
446 // Return nodes and faces of a free border if found
450 // for SewFreeBorder()
451 SEW_BORDER1_NOT_FOUND,
452 SEW_BORDER2_NOT_FOUND,
453 SEW_BOTH_BORDERS_NOT_FOUND,
455 SEW_VOLUMES_TO_SPLIT,
456 // for SewSideElements()
457 SEW_DIFF_NB_OF_ELEMENTS,
458 SEW_TOPO_DIFF_SETS_OF_ELEMENTS,
465 Sew_Error SewFreeBorder (const SMDS_MeshNode* theBorderFirstNode,
466 const SMDS_MeshNode* theBorderSecondNode,
467 const SMDS_MeshNode* theBorderLastNode,
468 const SMDS_MeshNode* theSide2FirstNode,
469 const SMDS_MeshNode* theSide2SecondNode,
470 const SMDS_MeshNode* theSide2ThirdNode = 0,
471 const bool theSide2IsFreeBorder = true,
472 const bool toCreatePolygons = false,
473 const bool toCreatePolyedrs = false);
474 // Sew the free border to the side2 by replacing nodes in
475 // elements on the free border with nodes of the elements
476 // of the side 2. If nb of links in the free border and
477 // between theSide2FirstNode and theSide2LastNode are different,
478 // additional nodes are inserted on a link provided that no
479 // volume elements share the splitted link.
480 // The side 2 is a free border if theSide2IsFreeBorder == true.
481 // Sewing is peformed between the given first, second and last
482 // nodes on the sides.
483 // theBorderFirstNode is merged with theSide2FirstNode.
484 // if (!theSide2IsFreeBorder) then theSide2SecondNode gives
485 // the last node on the side 2, which will be merged with
486 // theBorderLastNode.
487 // if (theSide2IsFreeBorder) then theSide2SecondNode will
488 // be merged with theBorderSecondNode.
489 // if (theSide2IsFreeBorder && theSide2ThirdNode == 0) then
490 // the 2 free borders are sewn link by link and no additional
491 // nodes are inserted.
492 // Return false, if sewing failed.
494 Sew_Error SewSideElements (TIDSortedElemSet& theSide1,
495 TIDSortedElemSet& theSide2,
496 const SMDS_MeshNode* theFirstNode1ToMerge,
497 const SMDS_MeshNode* theFirstNode2ToMerge,
498 const SMDS_MeshNode* theSecondNode1ToMerge,
499 const SMDS_MeshNode* theSecondNode2ToMerge);
500 // Sew two sides of a mesh. Nodes belonging to theSide1 are
501 // merged with nodes of elements of theSide2.
502 // Number of elements in theSide1 and in theSide2 must be
503 // equal and they should have similar node connectivity.
504 // The nodes to merge should belong to side s borders and
505 // the first node should be linked to the second.
507 void InsertNodesIntoLink(const SMDS_MeshElement* theFace,
508 const SMDS_MeshNode* theBetweenNode1,
509 const SMDS_MeshNode* theBetweenNode2,
510 std::list<const SMDS_MeshNode*>& theNodesToInsert,
511 const bool toCreatePoly = false);
512 // insert theNodesToInsert into theFace between theBetweenNode1 and theBetweenNode2.
513 // If toCreatePoly is true, replace theFace by polygon, else split theFace.
515 void UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
516 const SMDS_MeshNode* theBetweenNode2,
517 std::list<const SMDS_MeshNode*>& theNodesToInsert);
518 // insert theNodesToInsert into all volumes, containing link
519 // theBetweenNode1 - theBetweenNode2, between theBetweenNode1 and theBetweenNode2.
521 void ConvertToQuadratic(const bool theForce3d);
522 //converts all mesh to quadratic one, deletes old elements, replacing
523 //them with quadratic ones with the same id.
525 bool ConvertFromQuadratic();
526 //converts all mesh from quadratic to ordinary ones, deletes old quadratic elements, replacing
527 //them with ordinary mesh elements with the same id.
529 static void AddToSameGroups (const SMDS_MeshElement* elemToAdd,
530 const SMDS_MeshElement* elemInGroups,
531 SMESHDS_Mesh * aMesh);
532 // Add elemToAdd to the all groups the elemInGroups belongs to
534 static void RemoveElemFromGroups (const SMDS_MeshElement* element,
535 SMESHDS_Mesh * aMesh);
536 // remove element from the all groups
538 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
539 const SMDS_MeshElement* elemToAdd,
540 SMESHDS_Mesh * aMesh);
541 // replace elemToRm by elemToAdd in the all groups
544 * \brief Return nodes linked to the given one in elements of the type
546 static void GetLinkedNodes( const SMDS_MeshNode* node,
547 TIDSortedElemSet & linkedNodes,
548 SMDSAbs_ElementType type = SMDSAbs_All );
550 static const SMDS_MeshElement* FindFaceInSet(const SMDS_MeshNode* n1,
551 const SMDS_MeshNode* n2,
552 const TIDSortedElemSet& elemSet,
553 const TIDSortedElemSet& avoidSet,
556 // Return a face having linked nodes n1 and n2 and which is
557 // - not in avoidSet,
558 // - in elemSet provided that !elemSet.empty()
559 // i1 and i2 optionally returns indices of n1 and n2
562 * \brief Find corresponding nodes in two sets of faces
563 * \param theSide1 - first face set
564 * \param theSide2 - second first face
565 * \param theFirstNode1 - a boundary node of set 1
566 * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
567 * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
568 * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
569 * \param nReplaceMap - output map of corresponding nodes
570 * \retval Sew_Error - is a success or not
572 static Sew_Error FindMatchingNodes(std::set<const SMDS_MeshElement*>& theSide1,
573 std::set<const SMDS_MeshElement*>& theSide2,
574 const SMDS_MeshNode* theFirstNode1,
575 const SMDS_MeshNode* theFirstNode2,
576 const SMDS_MeshNode* theSecondNode1,
577 const SMDS_MeshNode* theSecondNode2,
578 TNodeNodeMap & theNodeReplaceMap);
581 * \brief Returns true if given node is medium
582 * \param n - node to check
583 * \param typeToCheck - type of elements containing the node to ask about node status
584 * \retval bool - check result
586 static bool IsMedium(const SMDS_MeshNode* node,
587 const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
589 int FindShape (const SMDS_MeshElement * theElem);
590 // Return an index of the shape theElem is on
591 // or zero if a shape not found
593 SMESH_Mesh * GetMesh() { return myMesh; }
595 SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
597 const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
599 const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
601 bool DoubleNodes( const std::list< int >& theListOfNodes,
602 const std::list< int >& theListOfModifiedElems );
604 bool DoubleNodes( const TIDSortedElemSet& theElems,
605 const TIDSortedElemSet& theNodesNot,
606 const TIDSortedElemSet& theAffectedElems );
608 bool DoubleNodesInRegion( const TIDSortedElemSet& theElems,
609 const TIDSortedElemSet& theNodesNot,
610 const TopoDS_Shape& theShape );
613 * \brief Generated skin mesh (containing 2D cells) from 3D mesh
614 * The created 2D mesh elements based on nodes of free faces of boundary volumes
615 * \return TRUE if operation has been completed successfully, FALSE otherwise
617 bool Make2DMeshFrom3D();
622 * \brief Convert elements contained in a submesh to quadratic
623 * \retval int - nb of checked elements
625 int convertElemToQuadratic(SMESHDS_SubMesh * theSm,
626 SMESH_MesherHelper& theHelper,
627 const bool theForce3d);
630 * \brief Convert quadratic elements to linear ones and remove quadratic nodes
631 * \retval int - nb of checked elements
633 int removeQuadElem( SMESHDS_SubMesh * theSm,
634 SMDS_ElemIteratorPtr theItr,
635 const int theShapeID);
637 * \brief Create groups of elements made during transformation
638 * \param nodeGens - nodes making corresponding myLastCreatedNodes
639 * \param elemGens - elements making corresponding myLastCreatedElems
640 * \param postfix - to append to names of new groups
642 PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
643 const SMESH_SequenceOfElemPtr& elemGens,
644 const std::string& postfix,
645 SMESH_Mesh* targetMesh=0);
648 typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
649 typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
650 typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
651 typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap > TElemOfVecOfNnlmiMap;
654 * \brief Create elements by sweeping an element
655 * \param elem - element to sweep
656 * \param newNodesItVec - nodes generated from each node of the element
657 * \param newElems - generated elements
658 * \param nbSteps - number of sweeping steps
659 * \param srcElements - to append elem for each generated element
661 void sweepElement(const SMDS_MeshElement* elem,
662 const std::vector<TNodeOfNodeListMapItr> & newNodesItVec,
663 std::list<const SMDS_MeshElement*>& newElems,
665 SMESH_SequenceOfElemPtr& srcElements);
668 * \brief Create 1D and 2D elements around swept elements
669 * \param mapNewNodes - source nodes and ones generated from them
670 * \param newElemsMap - source elements and ones generated from them
671 * \param elemNewNodesMap - nodes generated from each node of each element
672 * \param elemSet - all swept elements
673 * \param nbSteps - number of sweeping steps
674 * \param srcElements - to append elem for each generated element
676 void makeWalls (TNodeOfNodeListMap & mapNewNodes,
677 TElemOfElemListMap & newElemsMap,
678 TElemOfVecOfNnlmiMap & elemNewNodesMap,
679 TIDSortedElemSet& elemSet,
681 SMESH_SequenceOfElemPtr& srcElements);
683 struct SMESH_MeshEditor_PathPoint
687 double myAngle, myPrm;
689 SMESH_MeshEditor_PathPoint(): myPnt(99., 99., 99.), myTgt(1.,0.,0.), myAngle(0), myPrm(0) {}
690 void SetPnt (const gp_Pnt& aP3D) { myPnt =aP3D; }
691 void SetTangent (const gp_Dir& aTgt) { myTgt =aTgt; }
692 void SetAngle (const double& aBeta) { myAngle=aBeta; }
693 void SetParameter(const double& aPrm) { myPrm =aPrm; }
694 const gp_Pnt& Pnt ()const { return myPnt; }
695 const gp_Dir& Tangent ()const { return myTgt; }
696 double Angle ()const { return myAngle; }
697 double Parameter ()const { return myPrm; }
699 Extrusion_Error MakeEdgePathPoints(std::list<double>& aPrms,
700 const TopoDS_Edge& aTrackEdge,
702 std::list<SMESH_MeshEditor_PathPoint>& aLPP);
703 Extrusion_Error MakeExtrElements(TIDSortedElemSet& theElements,
704 std::list<SMESH_MeshEditor_PathPoint>& theFullList,
705 const bool theHasAngles,
706 std::list<double>& theAngles,
707 const bool theLinearVariation,
708 const bool theHasRefPoint,
709 const gp_Pnt& theRefPoint,
710 const bool theMakeGroups);
711 void LinearAngleVariation(const int NbSteps,
712 list<double>& theAngles);
714 bool doubleNodes( SMESHDS_Mesh* theMeshDS,
715 const TIDSortedElemSet& theElems,
716 const TIDSortedElemSet& theNodesNot,
717 std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
718 const bool theIsDoubleElem );
725 * Sequence for keeping nodes created during last operation
727 SMESH_SequenceOfElemPtr myLastCreatedNodes;
730 * Sequence for keeping elements created during last operation
732 SMESH_SequenceOfElemPtr myLastCreatedElems;