1 // Copyright (C) 2007-2011 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 // SMESH SMESH_I : idl implementation based on 'SMESH' unit's classes
24 // File : SMESH_MeshEditor.hxx
25 // Created : Mon Apr 12 14:56:19 2004
26 // Author : Edward AGAPOV (eap)
29 #ifndef SMESH_MeshEditor_HeaderFile
30 #define SMESH_MeshEditor_HeaderFile
32 #include "SMESH_SMESH.hxx"
34 #include "SMDS_MeshElement.hxx"
35 #include "SMESH_Controls.hxx"
36 #include "SMESH_Mesh.hxx"
37 #include "SMESH_TypeDefs.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 Find elements of given type where the given point is IN or ON.
70 * Returns nb of found elements and elements them-selves.
71 * Another task is to find out if the given point is out of closed 2D mesh.
73 * 'ALL' type means elements of any type excluding nodes and 0D elements
75 //=======================================================================
77 struct SMESH_ElementSearcher
79 virtual int FindElementsByPoint(const gp_Pnt& point,
80 SMDSAbs_ElementType type,
81 std::vector< const SMDS_MeshElement* >& foundElems)=0;
83 virtual TopAbs_State GetPointState(const gp_Pnt& point) = 0;
86 * \brief Return elements possibly intersecting the line
88 virtual void GetElementsNearLine( const gp_Ax1& line,
89 SMDSAbs_ElementType type,
90 std::vector< const SMDS_MeshElement* >& foundElems)=0;
93 // ============================================================
95 * \brief Editor of a mesh
97 // ============================================================
99 class SMESH_EXPORT SMESH_MeshEditor
103 SMESH_MeshEditor( SMESH_Mesh* theMesh );
108 SMDS_MeshElement* AddElement(const std::vector<const SMDS_MeshNode*> & nodes,
109 const SMDSAbs_ElementType type,
115 SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
116 const SMDSAbs_ElementType type,
120 int Remove (const std::list< int >& theElemIDs, const bool isNodes);
121 // Remove a node or an element.
122 // Modify a compute state of sub-meshes which become empty
124 bool InverseDiag (const SMDS_MeshElement * theTria1,
125 const SMDS_MeshElement * theTria2 );
126 // Replace two neighbour triangles with ones built on the same 4 nodes
127 // but having other common link.
128 // Return False if args are improper
130 bool InverseDiag (const SMDS_MeshNode * theNode1,
131 const SMDS_MeshNode * theNode2 );
132 // Replace two neighbour triangles sharing theNode1-theNode2 link
133 // with ones built on the same 4 nodes but having other common link.
134 // Return false if proper faces not found
136 bool DeleteDiag (const SMDS_MeshNode * theNode1,
137 const SMDS_MeshNode * theNode2 );
138 // Replace two neighbour triangles sharing theNode1-theNode2 link
139 // with a quadrangle built on the same 4 nodes.
140 // Return false if proper faces not found
142 bool Reorient (const SMDS_MeshElement * theElement);
143 // Reverse theElement orientation
147 * \brief Fuse neighbour triangles into quadrangles.
148 * \param theElems - The triangles to be fused.
149 * \param theCriterion - Is used to choose a neighbour to fuse with.
150 * \param theMaxAngle - Is a max angle between element normals at which fusion
151 * is still performed; theMaxAngle is mesured in radians.
152 * \return bool - Success or not.
154 bool TriToQuad (TIDSortedElemSet & theElems,
155 SMESH::Controls::NumericalFunctorPtr theCriterion,
156 const double theMaxAngle);
159 * \brief Split quadrangles into triangles.
160 * \param theElems - The faces to be splitted.
161 * \param theCriterion - Is used to choose a diagonal for splitting.
162 * \return bool - Success or not.
164 bool QuadToTri (TIDSortedElemSet & theElems,
165 SMESH::Controls::NumericalFunctorPtr theCriterion);
168 * \brief Split quadrangles into triangles.
169 * \param theElems - The faces to be splitted.
170 * \param the13Diag - Is used to choose a diagonal for splitting.
171 * \return bool - Success or not.
173 bool QuadToTri (TIDSortedElemSet & theElems,
174 const bool the13Diag);
177 * \brief Find better diagonal for splitting.
178 * \param theQuad - The face to find better splitting of.
179 * \param theCriterion - Is used to choose a diagonal for splitting.
180 * \return int - 1 for 1-3 diagonal, 2 for 2-4, -1 - for errors.
182 int BestSplit (const SMDS_MeshElement* theQuad,
183 SMESH::Controls::NumericalFunctorPtr theCriterion);
186 enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, HEXA_TO_6 = 2, HEXA_TO_24 = 3 };//!<arg of SplitVolumesIntoTetra()
188 * \brief Split volumic elements into tetrahedra.
190 void SplitVolumesIntoTetra (const TIDSortedElemSet & theElems, const int theMethodFlags);
193 enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
195 void Smooth (TIDSortedElemSet & theElements,
196 std::set<const SMDS_MeshNode*> & theFixedNodes,
197 const SmoothMethod theSmoothMethod,
198 const int theNbIterations,
199 double theTgtAspectRatio = 1.0,
200 const bool the2D = true);
201 // Smooth theElements using theSmoothMethod during theNbIterations
202 // or until a worst element has aspect ratio <= theTgtAspectRatio.
203 // Aspect Ratio varies in range [1.0, inf].
204 // If theElements is empty, the whole mesh is smoothed.
205 // theFixedNodes contains additionally fixed nodes. Nodes built
206 // on edges and boundary nodes are always fixed.
207 // If the2D, smoothing is performed using UV parameters of nodes
208 // on geometrical faces
210 typedef std::auto_ptr< std::list<int> > PGroupIDs;
212 PGroupIDs RotationSweep (TIDSortedElemSet & theElements,
213 const gp_Ax1& theAxis,
214 const double theAngle,
215 const int theNbSteps,
216 const double theToler,
217 const bool theMakeGroups,
218 const bool theMakeWalls=true);
219 // Generate new elements by rotation of theElements around theAxis
220 // by theAngle by theNbSteps
223 * Auxilary flag for advanced extrusion.
224 * BOUNDARY: create or not boundary for result of extrusion
225 * SEW: try to use existing nodes or create new nodes in any case
227 enum ExtrusionFlags {
228 EXTRUSION_FLAG_BOUNDARY = 0x01,
229 EXTRUSION_FLAG_SEW = 0x02
233 * special structure for control of extrusion functionality
236 gp_Dir myDir; // direction of extrusion
237 Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
238 SMESH_SequenceOfNode myNodes; // nodes for using in sewing
242 * Create new node in the mesh with given coordinates
243 * (auxiliary for advanced extrusion)
245 const SMDS_MeshNode* CreateNode(const double x,
248 const double tolnode,
249 SMESH_SequenceOfNode& aNodes);
252 * Generate new elements by extrusion of theElements
253 * It is a method used in .idl file. All functionality
254 * is implemented in the next method (see below) which
255 * is used in the current method.
256 * @param theElems - list of elements for extrusion
257 * @param newElemsMap returns history of extrusion
258 * @param theFlags set flags for performing extrusion (see description
259 * of enum ExtrusionFlags for additional information)
260 * @param theTolerance - uses for comparing locations of nodes if flag
261 * EXTRUSION_FLAG_SEW is set
263 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
264 const gp_Vec& theStep,
265 const int theNbSteps,
266 TElemOfElemListMap& newElemsMap,
267 const bool theMakeGroups,
268 const int theFlags = EXTRUSION_FLAG_BOUNDARY,
269 const double theTolerance = 1.e-6);
272 * Generate new elements by extrusion of theElements
273 * @param theElems - list of elements for extrusion
274 * @param newElemsMap returns history of extrusion
275 * @param theFlags set flags for performing extrusion (see description
276 * of enum ExtrusionFlags for additional information)
277 * @param theTolerance - uses for comparing locations of nodes if flag
278 * EXTRUSION_FLAG_SEW is set
279 * @param theParams - special structure for manage of extrusion
281 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
282 ExtrusParam& theParams,
283 TElemOfElemListMap& newElemsMap,
284 const bool theMakeGroups,
286 const double theTolerance);
289 // Generate new elements by extrusion of theElements
290 // by theStep by theNbSteps
292 enum Extrusion_Error {
297 EXTR_BAD_STARTING_NODE,
298 EXTR_BAD_ANGLES_NUMBER,
299 EXTR_CANT_GET_TANGENT
302 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
303 SMESH_subMesh* theTrackPattern,
304 const SMDS_MeshNode* theNodeStart,
305 const bool theHasAngles,
306 std::list<double>& theAngles,
307 const bool theLinearVariation,
308 const bool theHasRefPoint,
309 const gp_Pnt& theRefPoint,
310 const bool theMakeGroups);
311 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
312 SMESH_Mesh* theTrackPattern,
313 const SMDS_MeshNode* theNodeStart,
314 const bool theHasAngles,
315 std::list<double>& theAngles,
316 const bool theLinearVariation,
317 const bool theHasRefPoint,
318 const gp_Pnt& theRefPoint,
319 const bool theMakeGroups);
320 // Generate new elements by extrusion of theElements along path given by theTrackPattern,
321 // theHasAngles are the rotation angles, base point can be given by theRefPoint
323 PGroupIDs Transform (TIDSortedElemSet & theElements,
324 const gp_Trsf& theTrsf,
326 const bool theMakeGroups,
327 SMESH_Mesh* theTargetMesh=0);
328 // Move or copy theElements applying theTrsf to their nodes
331 typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
333 void FindCoincidentNodes (TIDSortedNodeSet & theNodes,
334 const double theTolerance,
335 TListOfListOfNodes & theGroupsOfNodes);
336 // Return list of group of nodes close to each other within theTolerance.
337 // Search among theNodes or in the whole mesh if theNodes is empty.
340 * \brief Return SMESH_NodeSearcher. The caller is responsible for deleteing it
342 SMESH_NodeSearcher* GetNodeSearcher();
345 * \brief Return SMESH_ElementSearcher. The caller is responsible for deleting it
347 SMESH_ElementSearcher* GetElementSearcher();
348 SMESH_ElementSearcher* GetElementSearcher( SMDS_ElemIteratorPtr elemIt );
350 * \brief Return true if the point is IN or ON of the element
352 static bool isOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol );
355 int SimplifyFace (const std::vector<const SMDS_MeshNode *> faceNodes,
356 std::vector<const SMDS_MeshNode *>& poly_nodes,
357 std::vector<int>& quantities) const;
358 // Split face, defined by <faceNodes>, into several faces by repeating nodes.
359 // Is used by MergeNodes()
361 void MergeNodes (TListOfListOfNodes & theNodeGroups);
362 // In each group, the cdr of nodes are substituted by the first one
365 typedef std::list< std::list< int > > TListOfListOfElementsID;
367 void FindEqualElements(std::set<const SMDS_MeshElement*> & theElements,
368 TListOfListOfElementsID & theGroupsOfElementsID);
369 // Return list of group of elements build on the same nodes.
370 // Search among theElements or in the whole mesh if theElements is empty.
372 void MergeElements(TListOfListOfElementsID & theGroupsOfElementsID);
373 // In each group remove all but first of elements.
375 void MergeEqualElements();
376 // Remove all but one of elements built on the same nodes.
377 // Return nb of successfully merged groups.
379 static bool CheckFreeBorderNodes(const SMDS_MeshNode* theNode1,
380 const SMDS_MeshNode* theNode2,
381 const SMDS_MeshNode* theNode3 = 0);
382 // Return true if the three nodes are on a free border
384 static bool FindFreeBorder (const SMDS_MeshNode* theFirstNode,
385 const SMDS_MeshNode* theSecondNode,
386 const SMDS_MeshNode* theLastNode,
387 std::list< const SMDS_MeshNode* > & theNodes,
388 std::list< const SMDS_MeshElement* >& theFaces);
389 // Return nodes and faces of a free border if found
393 // for SewFreeBorder()
394 SEW_BORDER1_NOT_FOUND,
395 SEW_BORDER2_NOT_FOUND,
396 SEW_BOTH_BORDERS_NOT_FOUND,
398 SEW_VOLUMES_TO_SPLIT,
399 // for SewSideElements()
400 SEW_DIFF_NB_OF_ELEMENTS,
401 SEW_TOPO_DIFF_SETS_OF_ELEMENTS,
408 Sew_Error SewFreeBorder (const SMDS_MeshNode* theBorderFirstNode,
409 const SMDS_MeshNode* theBorderSecondNode,
410 const SMDS_MeshNode* theBorderLastNode,
411 const SMDS_MeshNode* theSide2FirstNode,
412 const SMDS_MeshNode* theSide2SecondNode,
413 const SMDS_MeshNode* theSide2ThirdNode = 0,
414 const bool theSide2IsFreeBorder = true,
415 const bool toCreatePolygons = false,
416 const bool toCreatePolyedrs = false);
417 // Sew the free border to the side2 by replacing nodes in
418 // elements on the free border with nodes of the elements
419 // of the side 2. If nb of links in the free border and
420 // between theSide2FirstNode and theSide2LastNode are different,
421 // additional nodes are inserted on a link provided that no
422 // volume elements share the splitted link.
423 // The side 2 is a free border if theSide2IsFreeBorder == true.
424 // Sewing is peformed between the given first, second and last
425 // nodes on the sides.
426 // theBorderFirstNode is merged with theSide2FirstNode.
427 // if (!theSide2IsFreeBorder) then theSide2SecondNode gives
428 // the last node on the side 2, which will be merged with
429 // theBorderLastNode.
430 // if (theSide2IsFreeBorder) then theSide2SecondNode will
431 // be merged with theBorderSecondNode.
432 // if (theSide2IsFreeBorder && theSide2ThirdNode == 0) then
433 // the 2 free borders are sewn link by link and no additional
434 // nodes are inserted.
435 // Return false, if sewing failed.
437 Sew_Error SewSideElements (TIDSortedElemSet& theSide1,
438 TIDSortedElemSet& theSide2,
439 const SMDS_MeshNode* theFirstNode1ToMerge,
440 const SMDS_MeshNode* theFirstNode2ToMerge,
441 const SMDS_MeshNode* theSecondNode1ToMerge,
442 const SMDS_MeshNode* theSecondNode2ToMerge);
443 // Sew two sides of a mesh. Nodes belonging to theSide1 are
444 // merged with nodes of elements of theSide2.
445 // Number of elements in theSide1 and in theSide2 must be
446 // equal and they should have similar node connectivity.
447 // The nodes to merge should belong to side s borders and
448 // the first node should be linked to the second.
450 void InsertNodesIntoLink(const SMDS_MeshElement* theFace,
451 const SMDS_MeshNode* theBetweenNode1,
452 const SMDS_MeshNode* theBetweenNode2,
453 std::list<const SMDS_MeshNode*>& theNodesToInsert,
454 const bool toCreatePoly = false);
455 // insert theNodesToInsert into theFace between theBetweenNode1 and theBetweenNode2.
456 // If toCreatePoly is true, replace theFace by polygon, else split theFace.
458 void UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
459 const SMDS_MeshNode* theBetweenNode2,
460 std::list<const SMDS_MeshNode*>& theNodesToInsert);
461 // insert theNodesToInsert into all volumes, containing link
462 // theBetweenNode1 - theBetweenNode2, between theBetweenNode1 and theBetweenNode2.
464 void ConvertToQuadratic(const bool theForce3d);
465 void ConvertToQuadratic(const bool theForce3d, TIDSortedElemSet& theElements);
466 // Converts all mesh to quadratic one, deletes old elements, replacing
467 // them with quadratic ones with the same id.
468 // If theForce3d = 1; this results in the medium node lying at the
469 // middle of the line segments connecting start and end node of a mesh
471 // If theForce3d = 0; this results in the medium node lying at the
472 // geometrical edge from which the mesh element is built
474 bool ConvertFromQuadratic();
475 void ConvertFromQuadratic(TIDSortedElemSet& theElements);
476 // Converts all mesh from quadratic to ordinary ones, deletes old quadratic elements, replacing
477 // them with ordinary mesh elements with the same id.
478 // Returns true in case of success, false otherwise.
480 static void AddToSameGroups (const SMDS_MeshElement* elemToAdd,
481 const SMDS_MeshElement* elemInGroups,
482 SMESHDS_Mesh * aMesh);
483 // Add elemToAdd to the all groups the elemInGroups belongs to
485 static void RemoveElemFromGroups (const SMDS_MeshElement* element,
486 SMESHDS_Mesh * aMesh);
487 // remove element from the all groups
489 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
490 const SMDS_MeshElement* elemToAdd,
491 SMESHDS_Mesh * aMesh);
492 // replace elemToRm by elemToAdd in the all groups
494 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
495 const std::vector<const SMDS_MeshElement*>& elemToAdd,
496 SMESHDS_Mesh * aMesh);
497 // replace elemToRm by elemToAdd in the all groups
500 * \brief Return nodes linked to the given one in elements of the type
502 static void GetLinkedNodes( const SMDS_MeshNode* node,
503 TIDSortedElemSet & linkedNodes,
504 SMDSAbs_ElementType type = SMDSAbs_All );
506 static const SMDS_MeshElement* FindFaceInSet(const SMDS_MeshNode* n1,
507 const SMDS_MeshNode* n2,
508 const TIDSortedElemSet& elemSet,
509 const TIDSortedElemSet& avoidSet,
512 // Return a face having linked nodes n1 and n2 and which is
513 // - not in avoidSet,
514 // - in elemSet provided that !elemSet.empty()
515 // i1 and i2 optionally returns indices of n1 and n2
518 * \brief Find corresponding nodes in two sets of faces
519 * \param theSide1 - first face set
520 * \param theSide2 - second first face
521 * \param theFirstNode1 - a boundary node of set 1
522 * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
523 * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
524 * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
525 * \param nReplaceMap - output map of corresponding nodes
526 * \return Sew_Error - is a success or not
528 static Sew_Error FindMatchingNodes(std::set<const SMDS_MeshElement*>& theSide1,
529 std::set<const SMDS_MeshElement*>& theSide2,
530 const SMDS_MeshNode* theFirstNode1,
531 const SMDS_MeshNode* theFirstNode2,
532 const SMDS_MeshNode* theSecondNode1,
533 const SMDS_MeshNode* theSecondNode2,
534 TNodeNodeMap & theNodeReplaceMap);
537 * \brief Returns true if given node is medium
538 * \param n - node to check
539 * \param typeToCheck - type of elements containing the node to ask about node status
540 * \return bool - check result
542 static bool IsMedium(const SMDS_MeshNode* node,
543 const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
545 int FindShape (const SMDS_MeshElement * theElem);
546 // Return an index of the shape theElem is on
547 // or zero if a shape not found
549 SMESH_Mesh * GetMesh() { return myMesh; }
551 SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
553 const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
555 const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
557 bool DoubleNodes( const std::list< int >& theListOfNodes,
558 const std::list< int >& theListOfModifiedElems );
560 bool DoubleNodes( const TIDSortedElemSet& theElems,
561 const TIDSortedElemSet& theNodesNot,
562 const TIDSortedElemSet& theAffectedElems );
564 bool DoubleNodesInRegion( const TIDSortedElemSet& theElems,
565 const TIDSortedElemSet& theNodesNot,
566 const TopoDS_Shape& theShape );
568 double OrientedAngle(const gp_Pnt& p0, const gp_Pnt& p1, const gp_Pnt& g1, const gp_Pnt& g2);
570 bool DoubleNodesOnGroupBoundaries( const std::vector<TIDSortedElemSet>& theElems,
571 bool createJointElems);
573 bool CreateFlatElementsOnFacesGroups( const std::vector<TIDSortedElemSet>& theElems );
576 * \brief Generated skin mesh (containing 2D cells) from 3D mesh
577 * The created 2D mesh elements based on nodes of free faces of boundary volumes
578 * \return TRUE if operation has been completed successfully, FALSE otherwise
580 bool Make2DMeshFrom3D();
582 enum Bnd_Dimension { BND_2DFROM3D, BND_1DFROM3D, BND_1DFROM2D };
584 int MakeBoundaryMesh(const TIDSortedElemSet& elements,
585 Bnd_Dimension dimension,
586 SMESH_Group* group = 0,
587 SMESH_Mesh* targetMesh = 0,
588 bool toCopyElements = false,
589 bool toCopyExistingBondary = false,
590 bool toAddExistingBondary = false,
591 bool aroundElements = false);
597 * \brief Convert elements contained in a submesh to quadratic
598 * \return int - nb of checked elements
600 int convertElemToQuadratic(SMESHDS_SubMesh * theSm,
601 SMESH_MesherHelper& theHelper,
602 const bool theForce3d);
605 * \brief Convert quadratic elements to linear ones and remove quadratic nodes
606 * \return nb of checked elements
608 int removeQuadElem( SMESHDS_SubMesh * theSm,
609 SMDS_ElemIteratorPtr theItr,
610 const int theShapeID);
612 * \brief Create groups of elements made during transformation
613 * \param nodeGens - nodes making corresponding myLastCreatedNodes
614 * \param elemGens - elements making corresponding myLastCreatedElems
615 * \param postfix - to append to names of new groups
617 PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
618 const SMESH_SequenceOfElemPtr& elemGens,
619 const std::string& postfix,
620 SMESH_Mesh* targetMesh=0);
623 typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
624 typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
625 typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
626 typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap > TElemOfVecOfNnlmiMap;
629 * \brief Create elements by sweeping an element
630 * \param elem - element to sweep
631 * \param newNodesItVec - nodes generated from each node of the element
632 * \param newElems - generated elements
633 * \param nbSteps - number of sweeping steps
634 * \param srcElements - to append elem for each generated element
636 void sweepElement(const SMDS_MeshElement* elem,
637 const std::vector<TNodeOfNodeListMapItr> & newNodesItVec,
638 std::list<const SMDS_MeshElement*>& newElems,
640 SMESH_SequenceOfElemPtr& srcElements);
643 * \brief Create 1D and 2D elements around swept elements
644 * \param mapNewNodes - source nodes and ones generated from them
645 * \param newElemsMap - source elements and ones generated from them
646 * \param elemNewNodesMap - nodes generated from each node of each element
647 * \param elemSet - all swept elements
648 * \param nbSteps - number of sweeping steps
649 * \param srcElements - to append elem for each generated element
651 void makeWalls (TNodeOfNodeListMap & mapNewNodes,
652 TElemOfElemListMap & newElemsMap,
653 TElemOfVecOfNnlmiMap & elemNewNodesMap,
654 TIDSortedElemSet& elemSet,
656 SMESH_SequenceOfElemPtr& srcElements);
658 struct SMESH_MeshEditor_PathPoint
662 double myAngle, myPrm;
664 SMESH_MeshEditor_PathPoint(): myPnt(99., 99., 99.), myTgt(1.,0.,0.), myAngle(0), myPrm(0) {}
665 void SetPnt (const gp_Pnt& aP3D) { myPnt =aP3D; }
666 void SetTangent (const gp_Dir& aTgt) { myTgt =aTgt; }
667 void SetAngle (const double& aBeta) { myAngle=aBeta; }
668 void SetParameter(const double& aPrm) { myPrm =aPrm; }
669 const gp_Pnt& Pnt ()const { return myPnt; }
670 const gp_Dir& Tangent ()const { return myTgt; }
671 double Angle ()const { return myAngle; }
672 double Parameter ()const { return myPrm; }
674 Extrusion_Error MakeEdgePathPoints(std::list<double>& aPrms,
675 const TopoDS_Edge& aTrackEdge,
677 std::list<SMESH_MeshEditor_PathPoint>& aLPP);
678 Extrusion_Error MakeExtrElements(TIDSortedElemSet& theElements,
679 std::list<SMESH_MeshEditor_PathPoint>& theFullList,
680 const bool theHasAngles,
681 std::list<double>& theAngles,
682 const bool theLinearVariation,
683 const bool theHasRefPoint,
684 const gp_Pnt& theRefPoint,
685 const bool theMakeGroups);
686 void LinearAngleVariation(const int NbSteps,
687 list<double>& theAngles);
689 bool doubleNodes( SMESHDS_Mesh* theMeshDS,
690 const TIDSortedElemSet& theElems,
691 const TIDSortedElemSet& theNodesNot,
692 std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
693 const bool theIsDoubleElem );
700 * Sequence for keeping nodes created during last operation
702 SMESH_SequenceOfElemPtr myLastCreatedNodes;
705 * Sequence for keeping elements created during last operation
707 SMESH_SequenceOfElemPtr myLastCreatedElems;