1 // Copyright (C) 2007-2014 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 : 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;
54 class SMESH_NodeSearcher;
56 // ============================================================
58 * \brief Editor of a mesh
60 // ============================================================
62 class SMESH_EXPORT SMESH_MeshEditor
66 SMESH_MeshEditor( SMESH_Mesh* theMesh );
68 SMESH_Mesh * GetMesh() { return myMesh; }
69 SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
71 const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
72 const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
73 void CrearLastCreated();
74 SMESH_ComputeErrorPtr & GetError() { return myError; }
79 SMDS_MeshElement* AddElement(const std::vector<const SMDS_MeshNode*> & nodes,
80 const SMDSAbs_ElementType type,
83 const double ballDiameter=0.);
87 SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
88 const SMDSAbs_ElementType type,
92 int Remove (const std::list< int >& theElemIDs, const bool isNodes);
93 // Remove a node or an element.
94 // Modify a compute state of sub-meshes which become empty
96 void Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
97 TIDSortedElemSet& all0DElems);
98 // Create 0D elements on all nodes of the given object except those
99 // nodes on which a 0D element already exists. \a all0DElems returns
100 // all 0D elements found or created on nodes of \a elements
102 bool InverseDiag (const SMDS_MeshElement * theTria1,
103 const SMDS_MeshElement * theTria2 );
104 // Replace two neighbour triangles with ones built on the same 4 nodes
105 // but having other common link.
106 // Return False if args are improper
108 bool InverseDiag (const SMDS_MeshNode * theNode1,
109 const SMDS_MeshNode * theNode2 );
110 // Replace two neighbour triangles sharing theNode1-theNode2 link
111 // with ones built on the same 4 nodes but having other common link.
112 // Return false if proper faces not found
114 bool DeleteDiag (const SMDS_MeshNode * theNode1,
115 const SMDS_MeshNode * theNode2 );
116 // Replace two neighbour triangles sharing theNode1-theNode2 link
117 // with a quadrangle built on the same 4 nodes.
118 // Return false if proper faces not found
120 bool Reorient (const SMDS_MeshElement * theElement);
121 // Reverse theElement orientation
123 int Reorient2D (TIDSortedElemSet & theFaces,
124 const gp_Dir& theDirection,
125 const SMDS_MeshElement * theFace);
126 // Reverse theFaces whose orientation to be same as that of theFace
127 // oriented according to theDirection. Return nb of reoriented faces
130 * \brief Fuse neighbour triangles into quadrangles.
131 * \param theElems - The triangles to be fused.
132 * \param theCriterion - Is used to choose a neighbour to fuse with.
133 * \param theMaxAngle - Is a max angle between element normals at which fusion
134 * is still performed; theMaxAngle is mesured in radians.
135 * \return bool - Success or not.
137 bool TriToQuad (TIDSortedElemSet & theElems,
138 SMESH::Controls::NumericalFunctorPtr theCriterion,
139 const double theMaxAngle);
141 * \brief Split quadrangles into triangles.
142 * \param theElems - The faces to be splitted.
143 * \param theCriterion - Is used to choose a diagonal for splitting.
144 * \return bool - Success or not.
146 bool QuadToTri (TIDSortedElemSet & theElems,
147 SMESH::Controls::NumericalFunctorPtr theCriterion);
149 * \brief Split quadrangles into triangles.
150 * \param theElems - The faces to be splitted.
151 * \param the13Diag - Is used to choose a diagonal for splitting.
152 * \return bool - Success or not.
154 bool QuadToTri (TIDSortedElemSet & theElems,
155 const bool the13Diag);
157 * \brief Split each of given quadrangles into 4 triangles.
158 * \param theElems - The faces to be splitted. If empty all faces are split.
160 void QuadTo4Tri (TIDSortedElemSet & theElems);
163 * \brief Find better diagonal for splitting.
164 * \param theQuad - The face to find better splitting of.
165 * \param theCriterion - Is used to choose a diagonal for splitting.
166 * \return int - 1 for 1-3 diagonal, 2 for 2-4, -1 - for errors.
168 int BestSplit (const SMDS_MeshElement* theQuad,
169 SMESH::Controls::NumericalFunctorPtr theCriterion);
172 typedef std::map < const SMDS_MeshElement*, int, TIDCompare > TFacetOfElem;
174 //!<2nd arg of SplitVolumes()
175 enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, // split into tetrahedra
178 HEXA_TO_2_PRISMS, // split into prisms
181 * \brief Split volumic elements into tetrahedra or prisms.
182 * If facet ID < 0, element is split into tetrahedra,
183 * else a hexahedron is split into prisms so that the given facet is
184 * split into triangles
186 void SplitVolumes (const TFacetOfElem & theElems, const int theMethodFlags);
189 * \brief For hexahedra that will be split into prisms, finds facets to
190 * split into triangles
191 * \param [in,out] theHexas - the hexahedra
192 * \param [in] theFacetNormal - facet normal
193 * \param [out] theFacets - the hexahedra and found facet IDs
195 void GetHexaFacetsToSplit( TIDSortedElemSet& theHexas,
196 const gp_Ax1& theFacetNormal,
197 TFacetOfElem & theFacets);
200 enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
202 void Smooth (TIDSortedElemSet & theElements,
203 std::set<const SMDS_MeshNode*> & theFixedNodes,
204 const SmoothMethod theSmoothMethod,
205 const int theNbIterations,
206 double theTgtAspectRatio = 1.0,
207 const bool the2D = true);
208 // Smooth theElements using theSmoothMethod during theNbIterations
209 // or until a worst element has aspect ratio <= theTgtAspectRatio.
210 // Aspect Ratio varies in range [1.0, inf].
211 // If theElements is empty, the whole mesh is smoothed.
212 // theFixedNodes contains additionally fixed nodes. Nodes built
213 // on edges and boundary nodes are always fixed.
214 // If the2D, smoothing is performed using UV parameters of nodes
215 // on geometrical faces
217 typedef TIDTypeCompare TElemSort;
218 typedef std::map < const SMDS_MeshElement*,
219 std::list<const SMDS_MeshElement*>, TElemSort > TTElemOfElemListMap;
220 typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
221 typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
222 typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
223 typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap, TElemSort > TElemOfVecOfNnlmiMap;
224 typedef std::auto_ptr< std::list<int> > PGroupIDs;
226 PGroupIDs RotationSweep (TIDSortedElemSet & theElements,
227 const gp_Ax1& theAxis,
228 const double theAngle,
229 const int theNbSteps,
230 const double theToler,
231 const bool theMakeGroups,
232 const bool theMakeWalls=true);
233 // Generate new elements by rotation of theElements around theAxis
234 // by theAngle by theNbSteps
237 * Auxilary flag for advanced extrusion.
238 * BOUNDARY: create or not boundary for result of extrusion
239 * SEW: try to use existing nodes or create new nodes in any case
241 enum ExtrusionFlags {
242 EXTRUSION_FLAG_BOUNDARY = 0x01,
243 EXTRUSION_FLAG_SEW = 0x02
247 * special structure for control of extrusion functionality
250 gp_Dir myDir; // direction of extrusion
251 Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
252 SMESH_SequenceOfNode myNodes; // nodes for using in sewing
256 * Create new node in the mesh with given coordinates
257 * (auxiliary for advanced extrusion)
259 const SMDS_MeshNode* CreateNode(const double x,
262 const double tolnode,
263 SMESH_SequenceOfNode& aNodes);
266 * Generate new elements by extrusion of theElements
267 * It is a method used in .idl file. All functionality
268 * is implemented in the next method (see below) which
269 * is used in the current method.
270 * @param theElems - list of elements for extrusion
271 * @param newElemsMap returns history of extrusion
272 * @param theFlags set flags for performing extrusion (see description
273 * of enum ExtrusionFlags for additional information)
274 * @param theTolerance - uses for comparing locations of nodes if flag
275 * EXTRUSION_FLAG_SEW is set
277 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
278 const gp_Vec& theStep,
279 const int theNbSteps,
280 TTElemOfElemListMap& newElemsMap,
281 const bool theMakeGroups,
282 const int theFlags = EXTRUSION_FLAG_BOUNDARY,
283 const double theTolerance = 1.e-6);
286 * Generate new elements by extrusion of theElements
287 * @param theElems - list of elements for extrusion
288 * @param newElemsMap returns history of extrusion
289 * @param theFlags set flags for performing extrusion (see description
290 * of enum ExtrusionFlags for additional information)
291 * @param theTolerance - uses for comparing locations of nodes if flag
292 * EXTRUSION_FLAG_SEW is set
293 * @param theParams - special structure for manage of extrusion
295 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
296 ExtrusParam& theParams,
297 TTElemOfElemListMap& newElemsMap,
298 const bool theMakeGroups,
300 const double theTolerance);
303 // Generate new elements by extrusion of theElements
304 // by theStep by theNbSteps
306 enum Extrusion_Error {
311 EXTR_BAD_STARTING_NODE,
312 EXTR_BAD_ANGLES_NUMBER,
313 EXTR_CANT_GET_TANGENT
316 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
317 SMESH_subMesh* theTrackPattern,
318 const SMDS_MeshNode* theNodeStart,
319 const bool theHasAngles,
320 std::list<double>& theAngles,
321 const bool theLinearVariation,
322 const bool theHasRefPoint,
323 const gp_Pnt& theRefPoint,
324 const bool theMakeGroups);
325 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
326 SMESH_Mesh* theTrackPattern,
327 const SMDS_MeshNode* theNodeStart,
328 const bool theHasAngles,
329 std::list<double>& theAngles,
330 const bool theLinearVariation,
331 const bool theHasRefPoint,
332 const gp_Pnt& theRefPoint,
333 const bool theMakeGroups);
334 // Generate new elements by extrusion of theElements along path given by theTrackPattern,
335 // theHasAngles are the rotation angles, base point can be given by theRefPoint
337 PGroupIDs Transform (TIDSortedElemSet & theElements,
338 const gp_Trsf& theTrsf,
340 const bool theMakeGroups,
341 SMESH_Mesh* theTargetMesh=0);
342 // Move or copy theElements applying theTrsf to their nodes
344 typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
346 void FindCoincidentNodes (TIDSortedNodeSet & theNodes,
347 const double theTolerance,
348 TListOfListOfNodes & theGroupsOfNodes);
349 // Return list of group of nodes close to each other within theTolerance.
350 // Search among theNodes or in the whole mesh if theNodes is empty.
352 void MergeNodes (TListOfListOfNodes & theNodeGroups);
353 // In each group, the cdr of nodes are substituted by the first one
356 typedef std::list< std::list< int > > TListOfListOfElementsID;
358 void FindEqualElements(TIDSortedElemSet & theElements,
359 TListOfListOfElementsID & theGroupsOfElementsID);
360 // Return list of group of elements build on the same nodes.
361 // Search among theElements or in the whole mesh if theElements is empty.
363 void MergeElements(TListOfListOfElementsID & theGroupsOfElementsID);
364 // In each group remove all but first of elements.
366 void MergeEqualElements();
367 // Remove all but one of elements built on the same nodes.
368 // Return nb of successfully merged groups.
370 int SimplifyFace (const std::vector<const SMDS_MeshNode *>& faceNodes,
371 std::vector<const SMDS_MeshNode *>& poly_nodes,
372 std::vector<int>& quantities) const;
373 // Split face, defined by <faceNodes>, into several faces by repeating nodes.
374 // Is used by MergeNodes()
376 static bool CheckFreeBorderNodes(const SMDS_MeshNode* theNode1,
377 const SMDS_MeshNode* theNode2,
378 const SMDS_MeshNode* theNode3 = 0);
379 // Return true if the three nodes are on a free border
381 static bool FindFreeBorder (const SMDS_MeshNode* theFirstNode,
382 const SMDS_MeshNode* theSecondNode,
383 const SMDS_MeshNode* theLastNode,
384 std::list< const SMDS_MeshNode* > & theNodes,
385 std::list< const SMDS_MeshElement* >& theFaces);
386 // Return nodes and faces of a free border if found
390 // for SewFreeBorder()
391 SEW_BORDER1_NOT_FOUND,
392 SEW_BORDER2_NOT_FOUND,
393 SEW_BOTH_BORDERS_NOT_FOUND,
395 SEW_VOLUMES_TO_SPLIT,
396 // for SewSideElements()
397 SEW_DIFF_NB_OF_ELEMENTS,
398 SEW_TOPO_DIFF_SETS_OF_ELEMENTS,
405 Sew_Error SewFreeBorder (const SMDS_MeshNode* theBorderFirstNode,
406 const SMDS_MeshNode* theBorderSecondNode,
407 const SMDS_MeshNode* theBorderLastNode,
408 const SMDS_MeshNode* theSide2FirstNode,
409 const SMDS_MeshNode* theSide2SecondNode,
410 const SMDS_MeshNode* theSide2ThirdNode = 0,
411 const bool theSide2IsFreeBorder = true,
412 const bool toCreatePolygons = false,
413 const bool toCreatePolyedrs = false);
414 // Sew the free border to the side2 by replacing nodes in
415 // elements on the free border with nodes of the elements
416 // of the side 2. If nb of links in the free border and
417 // between theSide2FirstNode and theSide2LastNode are different,
418 // additional nodes are inserted on a link provided that no
419 // volume elements share the splitted link.
420 // The side 2 is a free border if theSide2IsFreeBorder == true.
421 // Sewing is peformed between the given first, second and last
422 // nodes on the sides.
423 // theBorderFirstNode is merged with theSide2FirstNode.
424 // if (!theSide2IsFreeBorder) then theSide2SecondNode gives
425 // the last node on the side 2, which will be merged with
426 // theBorderLastNode.
427 // if (theSide2IsFreeBorder) then theSide2SecondNode will
428 // be merged with theBorderSecondNode.
429 // if (theSide2IsFreeBorder && theSide2ThirdNode == 0) then
430 // the 2 free borders are sewn link by link and no additional
431 // nodes are inserted.
432 // Return false, if sewing failed.
434 Sew_Error SewSideElements (TIDSortedElemSet& theSide1,
435 TIDSortedElemSet& theSide2,
436 const SMDS_MeshNode* theFirstNode1ToMerge,
437 const SMDS_MeshNode* theFirstNode2ToMerge,
438 const SMDS_MeshNode* theSecondNode1ToMerge,
439 const SMDS_MeshNode* theSecondNode2ToMerge);
440 // Sew two sides of a mesh. Nodes belonging to theSide1 are
441 // merged with nodes of elements of theSide2.
442 // Number of elements in theSide1 and in theSide2 must be
443 // equal and they should have similar node connectivity.
444 // The nodes to merge should belong to side s borders and
445 // the first node should be linked to the second.
447 void InsertNodesIntoLink(const SMDS_MeshElement* theFace,
448 const SMDS_MeshNode* theBetweenNode1,
449 const SMDS_MeshNode* theBetweenNode2,
450 std::list<const SMDS_MeshNode*>& theNodesToInsert,
451 const bool toCreatePoly = false);
452 // insert theNodesToInsert into theFace between theBetweenNode1 and theBetweenNode2.
453 // If toCreatePoly is true, replace theFace by polygon, else split theFace.
455 void UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
456 const SMDS_MeshNode* theBetweenNode2,
457 std::list<const SMDS_MeshNode*>& theNodesToInsert);
458 // insert theNodesToInsert into all volumes, containing link
459 // theBetweenNode1 - theBetweenNode2, between theBetweenNode1 and theBetweenNode2.
461 void ConvertToQuadratic(const bool theForce3d, const bool theToBiQuad);
462 void ConvertToQuadratic(const bool theForce3d,
463 TIDSortedElemSet& theElements, const bool theToBiQuad);
464 // Converts all mesh to quadratic or bi-quadratic one, deletes old elements,
465 // replacing them with quadratic or bi-quadratic ones with the same id.
466 // If theForce3d = 1; this results in the medium node lying at the
467 // middle of the line segments connecting start and end node of a mesh element.
468 // If theForce3d = 0; this results in the medium node lying at the
469 // geometrical edge from which the mesh element is built.
471 bool ConvertFromQuadratic();
472 void ConvertFromQuadratic(TIDSortedElemSet& theElements);
473 // Converts all mesh from quadratic to ordinary ones, deletes old quadratic elements, replacing
474 // them with ordinary mesh elements with the same id.
475 // Returns true in case of success, false otherwise.
477 static void AddToSameGroups (const SMDS_MeshElement* elemToAdd,
478 const SMDS_MeshElement* elemInGroups,
479 SMESHDS_Mesh * aMesh);
480 // Add elemToAdd to the all groups the elemInGroups belongs to
482 static void RemoveElemFromGroups (const SMDS_MeshElement* element,
483 SMESHDS_Mesh * aMesh);
484 // remove element from the all groups
486 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
487 const SMDS_MeshElement* elemToAdd,
488 SMESHDS_Mesh * aMesh);
489 // replace elemToRm by elemToAdd in the all groups
491 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
492 const std::vector<const SMDS_MeshElement*>& elemToAdd,
493 SMESHDS_Mesh * aMesh);
494 // replace elemToRm by elemToAdd in the all groups
497 * \brief Return nodes linked to the given one in elements of the type
499 static void GetLinkedNodes( const SMDS_MeshNode* node,
500 TIDSortedElemSet & linkedNodes,
501 SMDSAbs_ElementType type = SMDSAbs_All );
504 * \brief Find corresponding nodes in two sets of faces
505 * \param theSide1 - first face set
506 * \param theSide2 - second first face
507 * \param theFirstNode1 - a boundary node of set 1
508 * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
509 * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
510 * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
511 * \param nReplaceMap - output map of corresponding nodes
512 * \return Sew_Error - is a success or not
514 static Sew_Error FindMatchingNodes(std::set<const SMDS_MeshElement*>& theSide1,
515 std::set<const SMDS_MeshElement*>& theSide2,
516 const SMDS_MeshNode* theFirstNode1,
517 const SMDS_MeshNode* theFirstNode2,
518 const SMDS_MeshNode* theSecondNode1,
519 const SMDS_MeshNode* theSecondNode2,
520 TNodeNodeMap & theNodeReplaceMap);
523 * \brief Returns true if given node is medium
524 * \param n - node to check
525 * \param typeToCheck - type of elements containing the node to ask about node status
526 * \return bool - check result
528 static bool IsMedium(const SMDS_MeshNode* node,
529 const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
531 int FindShape (const SMDS_MeshElement * theElem);
532 // Return an index of the shape theElem is on
533 // or zero if a shape not found
535 void DoubleElements( const TIDSortedElemSet& theElements );
537 bool DoubleNodes( const std::list< int >& theListOfNodes,
538 const std::list< int >& theListOfModifiedElems );
540 bool DoubleNodes( const TIDSortedElemSet& theElems,
541 const TIDSortedElemSet& theNodesNot,
542 const TIDSortedElemSet& theAffectedElems );
544 bool AffectedElemGroupsInRegion( const TIDSortedElemSet& theElems,
545 const TIDSortedElemSet& theNodesNot,
546 const TopoDS_Shape& theShape,
547 TIDSortedElemSet& theAffectedElems);
549 bool DoubleNodesInRegion( const TIDSortedElemSet& theElems,
550 const TIDSortedElemSet& theNodesNot,
551 const TopoDS_Shape& theShape );
553 double OrientedAngle(const gp_Pnt& p0, const gp_Pnt& p1, const gp_Pnt& g1, const gp_Pnt& g2);
555 bool DoubleNodesOnGroupBoundaries( const std::vector<TIDSortedElemSet>& theElems,
556 bool createJointElems,
557 bool onAllBoundaries);
559 bool CreateFlatElementsOnFacesGroups( const std::vector<TIDSortedElemSet>& theElems );
561 void CreateHoleSkin(double radius,
562 const TopoDS_Shape& theShape,
563 SMESH_NodeSearcher* theNodeSearcher,
564 const char* groupName,
565 std::vector<double>& nodesCoords,
566 std::vector<std::vector<int> >& listOfListOfNodes);
569 * \brief Generated skin mesh (containing 2D cells) from 3D mesh
570 * The created 2D mesh elements based on nodes of free faces of boundary volumes
571 * \return TRUE if operation has been completed successfully, FALSE otherwise
573 bool Make2DMeshFrom3D();
575 enum Bnd_Dimension { BND_2DFROM3D, BND_1DFROM3D, BND_1DFROM2D };
577 int MakeBoundaryMesh(const TIDSortedElemSet& elements,
578 Bnd_Dimension dimension,
579 SMESH_Group* group = 0,
580 SMESH_Mesh* targetMesh = 0,
581 bool toCopyElements = false,
582 bool toCopyExistingBondary = false,
583 bool toAddExistingBondary = false,
584 bool aroundElements = false);
589 * \brief Convert elements contained in a submesh to quadratic
590 * \return int - nb of checked elements
592 int convertElemToQuadratic(SMESHDS_SubMesh * theSm,
593 SMESH_MesherHelper& theHelper,
594 const bool theForce3d);
597 * \brief Convert quadratic elements to linear ones and remove quadratic nodes
598 * \return nb of checked elements
600 int removeQuadElem( SMESHDS_SubMesh * theSm,
601 SMDS_ElemIteratorPtr theItr,
602 const int theShapeID);
604 * \brief Create groups of elements made during transformation
605 * \param nodeGens - nodes making corresponding myLastCreatedNodes
606 * \param elemGens - elements making corresponding myLastCreatedElems
607 * \param postfix - to append to names of new groups
609 PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
610 const SMESH_SequenceOfElemPtr& elemGens,
611 const std::string& postfix,
612 SMESH_Mesh* targetMesh=0);
614 * \brief Create elements by sweeping an element
615 * \param elem - element to sweep
616 * \param newNodesItVec - nodes generated from each node of the element
617 * \param newElems - generated elements
618 * \param nbSteps - number of sweeping steps
619 * \param srcElements - to append elem for each generated element
621 void sweepElement(const SMDS_MeshElement* elem,
622 const std::vector<TNodeOfNodeListMapItr> & newNodesItVec,
623 std::list<const SMDS_MeshElement*>& newElems,
625 SMESH_SequenceOfElemPtr& srcElements);
628 * \brief Create 1D and 2D elements around swept elements
629 * \param mapNewNodes - source nodes and ones generated from them
630 * \param newElemsMap - source elements and ones generated from them
631 * \param elemNewNodesMap - nodes generated from each node of each element
632 * \param elemSet - all swept elements
633 * \param nbSteps - number of sweeping steps
634 * \param srcElements - to append elem for each generated element
636 void makeWalls (TNodeOfNodeListMap & mapNewNodes,
637 TTElemOfElemListMap & newElemsMap,
638 TElemOfVecOfNnlmiMap & elemNewNodesMap,
639 TIDSortedElemSet& elemSet,
641 SMESH_SequenceOfElemPtr& srcElements);
643 struct SMESH_MeshEditor_PathPoint
647 double myAngle, myPrm;
649 SMESH_MeshEditor_PathPoint(): myPnt(99., 99., 99.), myTgt(1.,0.,0.), myAngle(0), myPrm(0) {}
650 void SetPnt (const gp_Pnt& aP3D) { myPnt =aP3D; }
651 void SetTangent (const gp_Dir& aTgt) { myTgt =aTgt; }
652 void SetAngle (const double& aBeta) { myAngle=aBeta; }
653 void SetParameter(const double& aPrm) { myPrm =aPrm; }
654 const gp_Pnt& Pnt ()const { return myPnt; }
655 const gp_Dir& Tangent ()const { return myTgt; }
656 double Angle ()const { return myAngle; }
657 double Parameter ()const { return myPrm; }
659 Extrusion_Error MakeEdgePathPoints(std::list<double>& aPrms,
660 const TopoDS_Edge& aTrackEdge,
662 std::list<SMESH_MeshEditor_PathPoint>& aLPP);
663 Extrusion_Error MakeExtrElements(TIDSortedElemSet& theElements,
664 std::list<SMESH_MeshEditor_PathPoint>& theFullList,
665 const bool theHasAngles,
666 std::list<double>& theAngles,
667 const bool theLinearVariation,
668 const bool theHasRefPoint,
669 const gp_Pnt& theRefPoint,
670 const bool theMakeGroups);
671 void LinearAngleVariation(const int NbSteps,
672 list<double>& theAngles);
674 bool doubleNodes( SMESHDS_Mesh* theMeshDS,
675 const TIDSortedElemSet& theElems,
676 const TIDSortedElemSet& theNodesNot,
677 std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
678 const bool theIsDoubleElem );
684 // Nodes and elements created during last operation
685 SMESH_SequenceOfElemPtr myLastCreatedNodes, myLastCreatedElems;
687 // Description of error/warning occured during last operation
688 SMESH_ComputeErrorPtr myError;