1 // Copyright (C) 2007-2010 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 calsses
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_SequenceOfElemPtr.hxx"
38 #include "SMESH_SequenceOfNode.hxx"
40 #include <utilities.h>
42 #include <TColStd_HSequenceOfReal.hxx>
54 class SMESH_MesherHelper;
57 typedef std::map<const SMDS_MeshElement*,
58 std::list<const SMDS_MeshElement*> > TElemOfElemListMap;
59 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> TNodeNodeMap;
61 //!< Set of elements sorted by ID, to be used to assure predictability of edition
62 typedef std::set< const SMDS_MeshElement*, TIDCompare > TIDSortedElemSet;
64 typedef pair< const SMDS_MeshNode*, const SMDS_MeshNode* > NLink;
67 //=======================================================================
69 * \brief Searcher for the node closest to point
71 //=======================================================================
72 struct SMESH_NodeSearcher
74 virtual const SMDS_MeshNode* FindClosestTo( const gp_Pnt& pnt ) = 0;
75 virtual void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt ) = 0;
78 //=======================================================================
80 * \brief Find elements of given type where the given point is IN or ON.
81 * Returns nb of found elements and elements them-selves.
82 * Another task is to find out if the given point is out of closed 2D mesh.
84 * 'ALL' type means elements of any type excluding nodes and 0D elements
86 //=======================================================================
88 struct SMESH_ElementSearcher
90 virtual int FindElementsByPoint(const gp_Pnt& point,
91 SMDSAbs_ElementType type,
92 std::vector< const SMDS_MeshElement* >& foundElems)=0;
94 virtual TopAbs_State GetPointState(const gp_Pnt& point) = 0;
97 * \brief Return elements possibly intersecting the line
99 virtual void GetElementsNearLine( const gp_Ax1& line,
100 SMDSAbs_ElementType type,
101 std::vector< const SMDS_MeshElement* >& foundElems)=0;
104 //=======================================================================
106 * \brief A sorted pair of nodes
108 //=======================================================================
110 struct SMESH_TLink: public NLink
112 SMESH_TLink(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ):NLink( n1, n2 )
113 { if ( n1->GetID() < n2->GetID() ) std::swap( first, second ); }
114 SMESH_TLink(const NLink& link ):NLink( link )
115 { if ( first->GetID() < second->GetID() ) std::swap( first, second ); }
116 const SMDS_MeshNode* node1() const { return first; }
117 const SMDS_MeshNode* node2() const { return second; }
120 //=======================================================================
122 * \brief SMESH_TLink knowing its orientation
124 //=======================================================================
126 struct SMESH_OrientedLink: public SMESH_TLink
129 SMESH_OrientedLink(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 )
130 : SMESH_TLink( n1, n2 ), _reversed( n1 != node1() ) {}
133 // ============================================================
135 * \brief Editor of a mesh
137 // ============================================================
139 class SMESH_EXPORT SMESH_MeshEditor
142 //------------------------------------------
144 * \brief SMDS_MeshNode -> gp_XYZ convertor
146 //------------------------------------------
147 struct TNodeXYZ : public gp_XYZ
149 const SMDS_MeshNode* _node;
150 TNodeXYZ( const SMDS_MeshElement* e):gp_XYZ(0,0,0),_node(0) {
152 ASSERT( e->GetType() == SMDSAbs_Node );
153 _node = static_cast<const SMDS_MeshNode*>(e);
154 SetCoord( _node->X(), _node->Y(), _node->Z() );
157 double Distance(const SMDS_MeshNode* n) const { return (TNodeXYZ( n )-*this).Modulus(); }
158 double SquareDistance(const SMDS_MeshNode* n) const { return (TNodeXYZ( n )-*this).SquareModulus(); }
159 bool operator==(const TNodeXYZ& other) const { return _node == other._node; }
164 SMESH_MeshEditor( SMESH_Mesh* theMesh );
169 SMDS_MeshElement* AddElement(const std::vector<const SMDS_MeshNode*> & nodes,
170 const SMDSAbs_ElementType type,
176 SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
177 const SMDSAbs_ElementType type,
181 int Remove (const std::list< int >& theElemIDs, const bool isNodes);
182 // Remove a node or an element.
183 // Modify a compute state of sub-meshes which become empty
185 bool InverseDiag (const SMDS_MeshElement * theTria1,
186 const SMDS_MeshElement * theTria2 );
187 // Replace two neighbour triangles with ones built on the same 4 nodes
188 // but having other common link.
189 // Return False if args are improper
191 bool InverseDiag (const SMDS_MeshNode * theNode1,
192 const SMDS_MeshNode * theNode2 );
193 // Replace two neighbour triangles sharing theNode1-theNode2 link
194 // with ones built on the same 4 nodes but having other common link.
195 // Return false if proper faces not found
197 bool DeleteDiag (const SMDS_MeshNode * theNode1,
198 const SMDS_MeshNode * theNode2 );
199 // Replace two neighbour triangles sharing theNode1-theNode2 link
200 // with a quadrangle built on the same 4 nodes.
201 // Return false if proper faces not found
203 bool Reorient (const SMDS_MeshElement * theElement);
204 // Reverse theElement orientation
208 * \brief Fuse neighbour triangles into quadrangles.
209 * \param theElems - The triangles to be fused.
210 * \param theCriterion - Is used to choose a neighbour to fuse with.
211 * \param theMaxAngle - Is a max angle between element normals at which fusion
212 * is still performed; theMaxAngle is mesured in radians.
213 * \retval bool - Success or not.
215 bool TriToQuad (TIDSortedElemSet & theElems,
216 SMESH::Controls::NumericalFunctorPtr theCriterion,
217 const double theMaxAngle);
220 * \brief Split quadrangles into triangles.
221 * \param theElems - The faces to be splitted.
222 * \param theCriterion - Is used to choose a diagonal for splitting.
223 * \retval bool - Success or not.
225 bool QuadToTri (TIDSortedElemSet & theElems,
226 SMESH::Controls::NumericalFunctorPtr theCriterion);
229 * \brief Split quadrangles into triangles.
230 * \param theElems - The faces to be splitted.
231 * \param the13Diag - Is used to choose a diagonal for splitting.
232 * \retval bool - Success or not.
234 bool QuadToTri (TIDSortedElemSet & theElems,
235 const bool the13Diag);
238 * \brief Find better diagonal for splitting.
239 * \param theQuad - The face to find better splitting of.
240 * \param theCriterion - Is used to choose a diagonal for splitting.
241 * \retval int - 1 for 1-3 diagonal, 2 for 2-4, -1 - for errors.
243 int BestSplit (const SMDS_MeshElement* theQuad,
244 SMESH::Controls::NumericalFunctorPtr theCriterion);
247 enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, HEXA_TO_6 = 2 };//!<arg of SplitVolumesIntoTetra()
249 * \brief Split volumic elements into tetrahedra.
251 void SplitVolumesIntoTetra (const TIDSortedElemSet & theElems, const int theMethodFlags);
254 enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
256 void Smooth (TIDSortedElemSet & theElements,
257 std::set<const SMDS_MeshNode*> & theFixedNodes,
258 const SmoothMethod theSmoothMethod,
259 const int theNbIterations,
260 double theTgtAspectRatio = 1.0,
261 const bool the2D = true);
262 // Smooth theElements using theSmoothMethod during theNbIterations
263 // or until a worst element has aspect ratio <= theTgtAspectRatio.
264 // Aspect Ratio varies in range [1.0, inf].
265 // If theElements is empty, the whole mesh is smoothed.
266 // theFixedNodes contains additionally fixed nodes. Nodes built
267 // on edges and boundary nodes are always fixed.
268 // If the2D, smoothing is performed using UV parameters of nodes
269 // on geometrical faces
271 typedef std::auto_ptr< std::list<int> > PGroupIDs;
273 PGroupIDs RotationSweep (TIDSortedElemSet & theElements,
274 const gp_Ax1& theAxis,
275 const double theAngle,
276 const int theNbSteps,
277 const double theToler,
278 const bool theMakeGroups,
279 const bool theMakeWalls=true);
280 // Generate new elements by rotation of theElements around theAxis
281 // by theAngle by theNbSteps
284 * Auxilary flag for advanced extrusion.
285 * BOUNDARY: create or not boundary for result of extrusion
286 * SEW: try to use existing nodes or create new nodes in any case
288 enum ExtrusionFlags {
289 EXTRUSION_FLAG_BOUNDARY = 0x01,
290 EXTRUSION_FLAG_SEW = 0x02
294 * special structire for control of extrusion functionality
297 gp_Dir myDir; // direction of extrusion
298 Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
299 SMESH_SequenceOfNode myNodes; // nodes for using in sewing
303 * Create new node in the mesh with given coordinates
304 * (auxilary for advanced extrusion)
306 const SMDS_MeshNode* CreateNode(const double x,
309 const double tolnode,
310 SMESH_SequenceOfNode& aNodes);
313 * Generate new elements by extrusion of theElements
314 * It is a method used in .idl file. All functionality
315 * is implemented in the next method (see below) which
316 * is used in the cuurent method.
317 * param theElems - list of elements for extrusion
318 * param newElemsMap returns history of extrusion
319 * param theFlags set flags for performing extrusion (see description
320 * of enum ExtrusionFlags for additional information)
321 * param theTolerance - uses for comparing locations of nodes if flag
322 * EXTRUSION_FLAG_SEW is set
324 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
325 const gp_Vec& theStep,
326 const int theNbSteps,
327 TElemOfElemListMap& newElemsMap,
328 const bool theMakeGroups,
329 const int theFlags = EXTRUSION_FLAG_BOUNDARY,
330 const double theTolerance = 1.e-6);
333 * Generate new elements by extrusion of theElements
334 * param theElems - list of elements for extrusion
335 * param newElemsMap returns history of extrusion
336 * param theFlags set flags for performing extrusion (see description
337 * of enum ExtrusionFlags for additional information)
338 * param theTolerance - uses for comparing locations of nodes if flag
339 * EXTRUSION_FLAG_SEW is set
340 * param theParams - special structure for manage of extrusion
342 PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
343 ExtrusParam& theParams,
344 TElemOfElemListMap& newElemsMap,
345 const bool theMakeGroups,
347 const double theTolerance);
350 // Generate new elements by extrusion of theElements
351 // by theStep by theNbSteps
353 enum Extrusion_Error {
358 EXTR_BAD_STARTING_NODE,
359 EXTR_BAD_ANGLES_NUMBER,
360 EXTR_CANT_GET_TANGENT
363 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
364 SMESH_subMesh* theTrackPattern,
365 const SMDS_MeshNode* theNodeStart,
366 const bool theHasAngles,
367 std::list<double>& theAngles,
368 const bool theLinearVariation,
369 const bool theHasRefPoint,
370 const gp_Pnt& theRefPoint,
371 const bool theMakeGroups);
372 Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
373 SMESH_Mesh* theTrackPattern,
374 const SMDS_MeshNode* theNodeStart,
375 const bool theHasAngles,
376 std::list<double>& theAngles,
377 const bool theLinearVariation,
378 const bool theHasRefPoint,
379 const gp_Pnt& theRefPoint,
380 const bool theMakeGroups);
381 // Generate new elements by extrusion of theElements along path given by theTrackPattern,
382 // theHasAngles are the rotation angles, base point can be given by theRefPoint
384 PGroupIDs Transform (TIDSortedElemSet & theElements,
385 const gp_Trsf& theTrsf,
387 const bool theMakeGroups,
388 SMESH_Mesh* theTargetMesh=0);
389 // Move or copy theElements applying theTrsf to their nodes
393 * Generate new elements by extrusion of theElements
394 * param theElems - list of elements for scale
395 * param thePoint - base point for scale
396 * param theScaleFact - scale factors for axises
397 * param theCopy - allows copying the translated elements
398 * param theMakeGroups - forces the generation of new groups from existing ones
399 * param theTargetMesh - the name of the newly created mesh
400 * return instance of Mesh class
402 PGroupIDs Scale (TIDSortedElemSet& theElements,
403 const gp_Pnt& thePoint,
404 const std::list<double>& theScaleFact,
406 const bool theMakeGroups,
407 SMESH_Mesh* theTargetMesh=0);
409 typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
411 void FindCoincidentNodes (std::set<const SMDS_MeshNode*> & theNodes,
412 const double theTolerance,
413 TListOfListOfNodes & theGroupsOfNodes);
414 // Return list of group of nodes close to each other within theTolerance.
415 // Search among theNodes or in the whole mesh if theNodes is empty.
418 * \brief Return SMESH_NodeSearcher. The caller is responsible for deleteing it
420 SMESH_NodeSearcher* GetNodeSearcher();
423 * \brief Return SMESH_ElementSearcher. The caller is responsible for deleteing it
425 SMESH_ElementSearcher* GetElementSearcher();
427 * \brief Return true if the point is IN or ON of the element
429 static bool isOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol );
432 int SimplifyFace (const std::vector<const SMDS_MeshNode *> faceNodes,
433 std::vector<const SMDS_MeshNode *>& poly_nodes,
434 std::vector<int>& quantities) const;
435 // Split face, defined by <faceNodes>, into several faces by repeating nodes.
436 // Is used by MergeNodes()
438 void MergeNodes (TListOfListOfNodes & theNodeGroups);
439 // In each group, the cdr of nodes are substituted by the first one
442 typedef std::list< std::list< int > > TListOfListOfElementsID;
444 void FindEqualElements(std::set<const SMDS_MeshElement*> & theElements,
445 TListOfListOfElementsID & theGroupsOfElementsID);
446 // Return list of group of elements build on the same nodes.
447 // Search among theElements or in the whole mesh if theElements is empty.
449 void MergeElements(TListOfListOfElementsID & theGroupsOfElementsID);
450 // In each group remove all but first of elements.
452 void MergeEqualElements();
453 // Remove all but one of elements built on the same nodes.
454 // Return nb of successfully merged groups.
456 static bool CheckFreeBorderNodes(const SMDS_MeshNode* theNode1,
457 const SMDS_MeshNode* theNode2,
458 const SMDS_MeshNode* theNode3 = 0);
459 // Return true if the three nodes are on a free border
461 static bool FindFreeBorder (const SMDS_MeshNode* theFirstNode,
462 const SMDS_MeshNode* theSecondNode,
463 const SMDS_MeshNode* theLastNode,
464 std::list< const SMDS_MeshNode* > & theNodes,
465 std::list< const SMDS_MeshElement* >& theFaces);
466 // Return nodes and faces of a free border if found
470 // for SewFreeBorder()
471 SEW_BORDER1_NOT_FOUND,
472 SEW_BORDER2_NOT_FOUND,
473 SEW_BOTH_BORDERS_NOT_FOUND,
475 SEW_VOLUMES_TO_SPLIT,
476 // for SewSideElements()
477 SEW_DIFF_NB_OF_ELEMENTS,
478 SEW_TOPO_DIFF_SETS_OF_ELEMENTS,
485 Sew_Error SewFreeBorder (const SMDS_MeshNode* theBorderFirstNode,
486 const SMDS_MeshNode* theBorderSecondNode,
487 const SMDS_MeshNode* theBorderLastNode,
488 const SMDS_MeshNode* theSide2FirstNode,
489 const SMDS_MeshNode* theSide2SecondNode,
490 const SMDS_MeshNode* theSide2ThirdNode = 0,
491 const bool theSide2IsFreeBorder = true,
492 const bool toCreatePolygons = false,
493 const bool toCreatePolyedrs = false);
494 // Sew the free border to the side2 by replacing nodes in
495 // elements on the free border with nodes of the elements
496 // of the side 2. If nb of links in the free border and
497 // between theSide2FirstNode and theSide2LastNode are different,
498 // additional nodes are inserted on a link provided that no
499 // volume elements share the splitted link.
500 // The side 2 is a free border if theSide2IsFreeBorder == true.
501 // Sewing is peformed between the given first, second and last
502 // nodes on the sides.
503 // theBorderFirstNode is merged with theSide2FirstNode.
504 // if (!theSide2IsFreeBorder) then theSide2SecondNode gives
505 // the last node on the side 2, which will be merged with
506 // theBorderLastNode.
507 // if (theSide2IsFreeBorder) then theSide2SecondNode will
508 // be merged with theBorderSecondNode.
509 // if (theSide2IsFreeBorder && theSide2ThirdNode == 0) then
510 // the 2 free borders are sewn link by link and no additional
511 // nodes are inserted.
512 // Return false, if sewing failed.
514 Sew_Error SewSideElements (TIDSortedElemSet& theSide1,
515 TIDSortedElemSet& theSide2,
516 const SMDS_MeshNode* theFirstNode1ToMerge,
517 const SMDS_MeshNode* theFirstNode2ToMerge,
518 const SMDS_MeshNode* theSecondNode1ToMerge,
519 const SMDS_MeshNode* theSecondNode2ToMerge);
520 // Sew two sides of a mesh. Nodes belonging to theSide1 are
521 // merged with nodes of elements of theSide2.
522 // Number of elements in theSide1 and in theSide2 must be
523 // equal and they should have similar node connectivity.
524 // The nodes to merge should belong to side s borders and
525 // the first node should be linked to the second.
527 void InsertNodesIntoLink(const SMDS_MeshElement* theFace,
528 const SMDS_MeshNode* theBetweenNode1,
529 const SMDS_MeshNode* theBetweenNode2,
530 std::list<const SMDS_MeshNode*>& theNodesToInsert,
531 const bool toCreatePoly = false);
532 // insert theNodesToInsert into theFace between theBetweenNode1 and theBetweenNode2.
533 // If toCreatePoly is true, replace theFace by polygon, else split theFace.
535 void UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
536 const SMDS_MeshNode* theBetweenNode2,
537 std::list<const SMDS_MeshNode*>& theNodesToInsert);
538 // insert theNodesToInsert into all volumes, containing link
539 // theBetweenNode1 - theBetweenNode2, between theBetweenNode1 and theBetweenNode2.
541 void ConvertToQuadratic(const bool theForce3d);
542 //converts all mesh to quadratic one, deletes old elements, replacing
543 //them with quadratic ones with the same id.
545 bool ConvertFromQuadratic();
546 //converts all mesh from quadratic to ordinary ones, deletes old quadratic elements, replacing
547 //them with ordinary mesh elements with the same id.
549 static void AddToSameGroups (const SMDS_MeshElement* elemToAdd,
550 const SMDS_MeshElement* elemInGroups,
551 SMESHDS_Mesh * aMesh);
552 // Add elemToAdd to the all groups the elemInGroups belongs to
554 static void RemoveElemFromGroups (const SMDS_MeshElement* element,
555 SMESHDS_Mesh * aMesh);
556 // remove element from the all groups
558 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
559 const SMDS_MeshElement* elemToAdd,
560 SMESHDS_Mesh * aMesh);
561 // replace elemToRm by elemToAdd in the all groups
563 static void ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
564 const std::vector<const SMDS_MeshElement*>& elemToAdd,
565 SMESHDS_Mesh * aMesh);
566 // replace elemToRm by elemToAdd in the all groups
569 * \brief Return nodes linked to the given one in elements of the type
571 static void GetLinkedNodes( const SMDS_MeshNode* node,
572 TIDSortedElemSet & linkedNodes,
573 SMDSAbs_ElementType type = SMDSAbs_All );
575 static const SMDS_MeshElement* FindFaceInSet(const SMDS_MeshNode* n1,
576 const SMDS_MeshNode* n2,
577 const TIDSortedElemSet& elemSet,
578 const TIDSortedElemSet& avoidSet,
581 // Return a face having linked nodes n1 and n2 and which is
582 // - not in avoidSet,
583 // - in elemSet provided that !elemSet.empty()
584 // i1 and i2 optionally returns indices of n1 and n2
587 * \brief Find corresponding nodes in two sets of faces
588 * \param theSide1 - first face set
589 * \param theSide2 - second first face
590 * \param theFirstNode1 - a boundary node of set 1
591 * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
592 * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
593 * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
594 * \param nReplaceMap - output map of corresponding nodes
595 * \retval Sew_Error - is a success or not
597 static Sew_Error FindMatchingNodes(std::set<const SMDS_MeshElement*>& theSide1,
598 std::set<const SMDS_MeshElement*>& theSide2,
599 const SMDS_MeshNode* theFirstNode1,
600 const SMDS_MeshNode* theFirstNode2,
601 const SMDS_MeshNode* theSecondNode1,
602 const SMDS_MeshNode* theSecondNode2,
603 TNodeNodeMap & theNodeReplaceMap);
606 * \brief Returns true if given node is medium
607 * \param n - node to check
608 * \param typeToCheck - type of elements containing the node to ask about node status
609 * \retval bool - check result
611 static bool IsMedium(const SMDS_MeshNode* node,
612 const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
614 int FindShape (const SMDS_MeshElement * theElem);
615 // Return an index of the shape theElem is on
616 // or zero if a shape not found
618 SMESH_Mesh * GetMesh() { return myMesh; }
620 SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
622 const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
624 const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
626 bool DoubleNodes( const std::list< int >& theListOfNodes,
627 const std::list< int >& theListOfModifiedElems );
629 bool DoubleNodes( const TIDSortedElemSet& theElems,
630 const TIDSortedElemSet& theNodesNot,
631 const TIDSortedElemSet& theAffectedElems );
633 bool DoubleNodesInRegion( const TIDSortedElemSet& theElems,
634 const TIDSortedElemSet& theNodesNot,
635 const TopoDS_Shape& theShape );
638 * \brief Generated skin mesh (containing 2D cells) from 3D mesh
639 * The created 2D mesh elements based on nodes of free faces of boundary volumes
640 * \return TRUE if operation has been completed successfully, FALSE otherwise
642 bool Make2DMeshFrom3D();
647 * \brief Convert elements contained in a submesh to quadratic
648 * \retval int - nb of checked elements
650 int convertElemToQuadratic(SMESHDS_SubMesh * theSm,
651 SMESH_MesherHelper& theHelper,
652 const bool theForce3d);
655 * \brief Convert quadratic elements to linear ones and remove quadratic nodes
656 * \retval int - nb of checked elements
658 int removeQuadElem( SMESHDS_SubMesh * theSm,
659 SMDS_ElemIteratorPtr theItr,
660 const int theShapeID);
662 * \brief Create groups of elements made during transformation
663 * \param nodeGens - nodes making corresponding myLastCreatedNodes
664 * \param elemGens - elements making corresponding myLastCreatedElems
665 * \param postfix - to append to names of new groups
667 PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
668 const SMESH_SequenceOfElemPtr& elemGens,
669 const std::string& postfix,
670 SMESH_Mesh* targetMesh=0);
673 typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
674 typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
675 typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
676 typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap > TElemOfVecOfNnlmiMap;
679 * \brief Create elements by sweeping an element
680 * \param elem - element to sweep
681 * \param newNodesItVec - nodes generated from each node of the element
682 * \param newElems - generated elements
683 * \param nbSteps - number of sweeping steps
684 * \param srcElements - to append elem for each generated element
686 void sweepElement(const SMDS_MeshElement* elem,
687 const std::vector<TNodeOfNodeListMapItr> & newNodesItVec,
688 std::list<const SMDS_MeshElement*>& newElems,
690 SMESH_SequenceOfElemPtr& srcElements);
693 * \brief Create 1D and 2D elements around swept elements
694 * \param mapNewNodes - source nodes and ones generated from them
695 * \param newElemsMap - source elements and ones generated from them
696 * \param elemNewNodesMap - nodes generated from each node of each element
697 * \param elemSet - all swept elements
698 * \param nbSteps - number of sweeping steps
699 * \param srcElements - to append elem for each generated element
701 void makeWalls (TNodeOfNodeListMap & mapNewNodes,
702 TElemOfElemListMap & newElemsMap,
703 TElemOfVecOfNnlmiMap & elemNewNodesMap,
704 TIDSortedElemSet& elemSet,
706 SMESH_SequenceOfElemPtr& srcElements);
708 struct SMESH_MeshEditor_PathPoint
712 double myAngle, myPrm;
714 SMESH_MeshEditor_PathPoint(): myPnt(99., 99., 99.), myTgt(1.,0.,0.), myAngle(0), myPrm(0) {}
715 void SetPnt (const gp_Pnt& aP3D) { myPnt =aP3D; }
716 void SetTangent (const gp_Dir& aTgt) { myTgt =aTgt; }
717 void SetAngle (const double& aBeta) { myAngle=aBeta; }
718 void SetParameter(const double& aPrm) { myPrm =aPrm; }
719 const gp_Pnt& Pnt ()const { return myPnt; }
720 const gp_Dir& Tangent ()const { return myTgt; }
721 double Angle ()const { return myAngle; }
722 double Parameter ()const { return myPrm; }
724 Extrusion_Error MakeEdgePathPoints(std::list<double>& aPrms,
725 const TopoDS_Edge& aTrackEdge,
727 std::list<SMESH_MeshEditor_PathPoint>& aLPP);
728 Extrusion_Error MakeExtrElements(TIDSortedElemSet& theElements,
729 std::list<SMESH_MeshEditor_PathPoint>& theFullList,
730 const bool theHasAngles,
731 std::list<double>& theAngles,
732 const bool theLinearVariation,
733 const bool theHasRefPoint,
734 const gp_Pnt& theRefPoint,
735 const bool theMakeGroups);
736 void LinearAngleVariation(const int NbSteps,
737 list<double>& theAngles);
739 bool doubleNodes( SMESHDS_Mesh* theMeshDS,
740 const TIDSortedElemSet& theElems,
741 const TIDSortedElemSet& theNodesNot,
742 std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
743 const bool theIsDoubleElem );
750 * Sequence for keeping nodes created during last operation
752 SMESH_SequenceOfElemPtr myLastCreatedNodes;
755 * Sequence for keeping elements created during last operation
757 SMESH_SequenceOfElemPtr myLastCreatedElems;