1 # Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
2 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
4 # This library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License.
9 # This library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with this library; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 # Author : Francis KLOSS, OCC
32 import SMESH # necessary for back compatibility
39 # import NETGENPlugin module if possible
58 NETGEN_1D2D3D = FULL_NETGEN
59 NETGEN_FULL = FULL_NETGEN
61 # MirrorType enumeration
62 POINT = SMESH_MeshEditor.POINT
63 AXIS = SMESH_MeshEditor.AXIS
64 PLANE = SMESH_MeshEditor.PLANE
66 # Smooth_Method enumeration
67 LAPLACIAN_SMOOTH = SMESH_MeshEditor.LAPLACIAN_SMOOTH
68 CENTROIDAL_SMOOTH = SMESH_MeshEditor.CENTROIDAL_SMOOTH
70 # Fineness enumeration(for NETGEN)
83 ior = salome.orb.object_to_string(obj)
84 sobj = salome.myStudy.FindObjectIOR(ior)
88 attr = sobj.FindAttribute("AttributeName")[1]
91 ## Sets name to object
92 def SetName(obj, name):
93 ior = salome.orb.object_to_string(obj)
94 sobj = salome.myStudy.FindObjectIOR(ior)
96 attr = sobj.FindAttribute("AttributeName")[1]
99 ## Print error message if a hypothesis was not assigned.
100 def TreatHypoStatus(status, hypName, geomName, isAlgo):
102 hypType = "algorithm"
104 hypType = "hypothesis"
106 if status == HYP_UNKNOWN_FATAL :
107 reason = "for unknown reason"
108 elif status == HYP_INCOMPATIBLE :
109 reason = "this hypothesis mismatches algorithm"
110 elif status == HYP_NOTCONFORM :
111 reason = "not conform mesh would be built"
112 elif status == HYP_ALREADY_EXIST :
113 reason = hypType + " of the same dimension already assigned to this shape"
114 elif status == HYP_BAD_DIM :
115 reason = hypType + " mismatches shape"
116 elif status == HYP_CONCURENT :
117 reason = "there are concurrent hypotheses on sub-shapes"
118 elif status == HYP_BAD_SUBSHAPE :
119 reason = "shape is neither the main one, nor its subshape, nor a valid group"
120 elif status == HYP_BAD_GEOMETRY:
121 reason = "geometry mismatches algorithm's expectation"
122 elif status == HYP_HIDDEN_ALGO:
123 reason = "it is hidden by an algorithm of upper dimension generating all-dimensions elements"
124 elif status == HYP_HIDING_ALGO:
125 reason = "it hides algorithm(s) of lower dimension by generating all-dimensions elements"
128 hypName = '"' + hypName + '"'
129 geomName= '"' + geomName+ '"'
130 if status < HYP_UNKNOWN_FATAL:
131 print hypName, "was assigned to", geomName,"but", reason
133 print hypName, "was not assigned to",geomName,":", reason
136 class smeshDC(SMESH._objref_SMESH_Gen):
138 def init_smesh(self,theStudy,geompyD):
139 self.SetCurrentStudy(theStudy)
141 self.SetGeomEngine(geompyD)
143 def Mesh(self, obj=0, name=0):
144 return Mesh(self,self.geompyD,obj,name)
146 ## Returns long value from enumeration
147 # Uses for SMESH.FunctorType enumeration
148 def EnumToLong(self,theItem):
151 ## Get PointStruct from vertex
152 # @param theVertex is GEOM object(vertex)
153 # @return SMESH.PointStruct
154 def GetPointStruct(self,theVertex):
155 [x, y, z] = self.geompyD.PointCoordinates(theVertex)
156 return PointStruct(x,y,z)
158 ## Get DirStruct from vector
159 # @param theVector is GEOM object(vector)
160 # @return SMESH.DirStruct
161 def GetDirStruct(self,theVector):
162 vertices = self.geompyD.SubShapeAll( theVector, geompyDC.ShapeType["VERTEX"] )
163 if(len(vertices) != 2):
164 print "Error: vector object is incorrect."
166 p1 = self.geompyD.PointCoordinates(vertices[0])
167 p2 = self.geompyD.PointCoordinates(vertices[1])
168 pnt = PointStruct(p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
169 dirst = DirStruct(pnt)
172 ## Get AxisStruct from object
173 # @param theObj is GEOM object(line or plane)
174 # @return SMESH.AxisStruct
175 def GetAxisStruct(self,theObj):
176 edges = self.geompyD.SubShapeAll( theObj, geompyDC.ShapeType["EDGE"] )
178 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geompyDC.ShapeType["VERTEX"] )
179 vertex3, vertex4 = self.geompyD.SubShapeAll( edges[1], geompyDC.ShapeType["VERTEX"] )
180 vertex1 = self.geompyD.PointCoordinates(vertex1)
181 vertex2 = self.geompyD.PointCoordinates(vertex2)
182 vertex3 = self.geompyD.PointCoordinates(vertex3)
183 vertex4 = self.geompyD.PointCoordinates(vertex4)
184 v1 = [vertex2[0]-vertex1[0], vertex2[1]-vertex1[1], vertex2[2]-vertex1[2]]
185 v2 = [vertex4[0]-vertex3[0], vertex4[1]-vertex3[1], vertex4[2]-vertex3[2]]
186 normal = [ v1[1]*v2[2]-v2[1]*v1[2], v1[2]*v2[0]-v2[2]*v1[0], v1[0]*v2[1]-v2[0]*v1[1] ]
187 axis = AxisStruct(vertex1[0], vertex1[1], vertex1[2], normal[0], normal[1], normal[2])
189 elif len(edges) == 1:
190 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geompyDC.ShapeType["VERTEX"] )
191 p1 = self.geompyD.PointCoordinates( vertex1 )
192 p2 = self.geompyD.PointCoordinates( vertex2 )
193 axis = AxisStruct(p1[0], p1[1], p1[2], p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
197 # From SMESH_Gen interface:
198 # ------------------------
200 ## Set the current mode
201 def SetEmbeddedMode( self,theMode ):
202 #self.SetEmbeddedMode(theMode)
203 SMESH._objref_SMESH_Gen.SetEmbeddedMode(self,theMode)
205 ## Get the current mode
206 def IsEmbeddedMode(self):
207 #return self.IsEmbeddedMode()
208 return SMESH._objref_SMESH_Gen.IsEmbeddedMode(self)
210 ## Set the current study
211 def SetCurrentStudy( self, theStudy ):
212 #self.SetCurrentStudy(theStudy)
213 SMESH._objref_SMESH_Gen.SetCurrentStudy(self,theStudy)
215 ## Get the current study
216 def GetCurrentStudy(self):
217 #return self.GetCurrentStudy()
218 return SMESH._objref_SMESH_Gen.GetCurrentStudy(self)
220 ## Create Mesh object importing data from given UNV file
221 # @return an instance of Mesh class
222 def CreateMeshesFromUNV( self,theFileName ):
223 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromUNV(self,theFileName)
224 aMesh = Mesh(self,self.geompyD,aSmeshMesh)
227 ## Create Mesh object(s) importing data from given MED file
228 # @return a list of Mesh class instances
229 def CreateMeshesFromMED( self,theFileName ):
230 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromMED(self,theFileName)
232 for iMesh in range(len(aSmeshMeshes)) :
233 aMesh = Mesh(self,self.geompyD,aSmeshMeshes[iMesh])
234 aMeshes.append(aMesh)
235 return aMeshes, aStatus
237 ## Create Mesh object importing data from given STL file
238 # @return an instance of Mesh class
239 def CreateMeshesFromSTL( self, theFileName ):
240 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromSTL(self,theFileName)
241 aMesh = Mesh(self,self.geompyD,aSmeshMesh)
244 ## From SMESH_Gen interface
245 def GetSubShapesId( self, theMainObject, theListOfSubObjects ):
246 return SMESH._objref_SMESH_Gen.GetSubShapesId(self,theMainObject, theListOfSubObjects)
248 ## From SMESH_Gen interface. Creates pattern
249 def GetPattern(self):
250 return SMESH._objref_SMESH_Gen.GetPattern(self)
254 # Filtering. Auxiliary functions:
255 # ------------------------------
257 ## Creates an empty criterion
258 # @return SMESH.Filter.Criterion
259 def GetEmptyCriterion(self):
260 Type = self.EnumToLong(FT_Undefined)
261 Compare = self.EnumToLong(FT_Undefined)
265 UnaryOp = self.EnumToLong(FT_Undefined)
266 BinaryOp = self.EnumToLong(FT_Undefined)
269 Precision = -1 ##@1e-07
270 return Filter.Criterion(Type, Compare, Threshold, ThresholdStr, ThresholdID,
271 UnaryOp, BinaryOp, Tolerance, TypeOfElement, Precision)
273 ## Creates a criterion by given parameters
274 # @param elementType is the type of elements(NODE, EDGE, FACE, VOLUME)
275 # @param CritType is type of criterion( FT_Taper, FT_Area, FT_RangeOfIds, FT_LyingOnGeom etc. )
276 # @param Compare belong to {FT_LessThan, FT_MoreThan, FT_EqualTo}
277 # @param Treshold is threshold value (range of ids as string, shape, numeric)
278 # @param UnaryOp is FT_LogicalNOT or FT_Undefined
279 # @param BinaryOp is binary logical operation FT_LogicalAND, FT_LogicalOR or
280 # FT_Undefined(must be for the last criterion in criteria)
281 # @return SMESH.Filter.Criterion
282 def GetCriterion(self,elementType,
284 Compare = FT_EqualTo,
286 UnaryOp=FT_Undefined,
287 BinaryOp=FT_Undefined):
288 aCriterion = self.GetEmptyCriterion()
289 aCriterion.TypeOfElement = elementType
290 aCriterion.Type = self.EnumToLong(CritType)
294 if Compare in [FT_LessThan, FT_MoreThan, FT_EqualTo]:
295 aCriterion.Compare = self.EnumToLong(Compare)
296 elif Compare == "=" or Compare == "==":
297 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
299 aCriterion.Compare = self.EnumToLong(FT_LessThan)
301 aCriterion.Compare = self.EnumToLong(FT_MoreThan)
303 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
306 if CritType in [FT_BelongToGeom, FT_BelongToPlane, FT_BelongToGenSurface,
307 FT_BelongToCylinder, FT_LyingOnGeom]:
309 if isinstance(aTreshold, geompyDC.GEOM._objref_GEOM_Object):
310 aCriterion.ThresholdStr = GetName(aTreshold)
311 aCriterion.ThresholdID = salome.ObjectToID(aTreshold)
313 print "Error: Treshold should be a shape."
315 elif CritType == FT_RangeOfIds:
317 if isinstance(aTreshold, str):
318 aCriterion.ThresholdStr = aTreshold
320 print "Error: Treshold should be a string."
322 elif CritType in [FT_FreeBorders, FT_FreeEdges, FT_BadOrientedVolume]:
323 # Here we don't need treshold
324 if aTreshold == FT_LogicalNOT:
325 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
326 elif aTreshold in [FT_LogicalAND, FT_LogicalOR]:
327 aCriterion.BinaryOp = aTreshold
331 aTreshold = float(aTreshold)
332 aCriterion.Threshold = aTreshold
334 print "Error: Treshold should be a number."
337 if Treshold == FT_LogicalNOT or UnaryOp == FT_LogicalNOT:
338 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
340 if Treshold in [FT_LogicalAND, FT_LogicalOR]:
341 aCriterion.BinaryOp = self.EnumToLong(Treshold)
343 if UnaryOp in [FT_LogicalAND, FT_LogicalOR]:
344 aCriterion.BinaryOp = self.EnumToLong(UnaryOp)
346 if BinaryOp in [FT_LogicalAND, FT_LogicalOR]:
347 aCriterion.BinaryOp = self.EnumToLong(BinaryOp)
351 ## Creates filter by given parameters of criterion
352 # @param elementType is the type of elements in the group
353 # @param CritType is type of criterion( FT_Taper, FT_Area, FT_RangeOfIds, FT_LyingOnGeom etc. )
354 # @param Compare belong to {FT_LessThan, FT_MoreThan, FT_EqualTo}
355 # @param Treshold is threshold value (range of id ids as string, shape, numeric)
356 # @param UnaryOp is FT_LogicalNOT or FT_Undefined
357 # @return SMESH_Filter
358 def GetFilter(self,elementType,
359 CritType=FT_Undefined,
362 UnaryOp=FT_Undefined):
363 aCriterion = self.GetCriterion(elementType, CritType, Compare, Treshold, UnaryOp, FT_Undefined)
364 aFilterMgr = self.CreateFilterManager()
365 aFilter = aFilterMgr.CreateFilter()
367 aCriteria.append(aCriterion)
368 aFilter.SetCriteria(aCriteria)
371 ## Creates numerical functor by its type
372 # @param theCrierion is FT_...; functor type
373 # @return SMESH_NumericalFunctor
374 def GetFunctor(self,theCriterion):
375 aFilterMgr = self.CreateFilterManager()
376 if theCriterion == FT_AspectRatio:
377 return aFilterMgr.CreateAspectRatio()
378 elif theCriterion == FT_AspectRatio3D:
379 return aFilterMgr.CreateAspectRatio3D()
380 elif theCriterion == FT_Warping:
381 return aFilterMgr.CreateWarping()
382 elif theCriterion == FT_MinimumAngle:
383 return aFilterMgr.CreateMinimumAngle()
384 elif theCriterion == FT_Taper:
385 return aFilterMgr.CreateTaper()
386 elif theCriterion == FT_Skew:
387 return aFilterMgr.CreateSkew()
388 elif theCriterion == FT_Area:
389 return aFilterMgr.CreateArea()
390 elif theCriterion == FT_Volume3D:
391 return aFilterMgr.CreateVolume3D()
392 elif theCriterion == FT_MultiConnection:
393 return aFilterMgr.CreateMultiConnection()
394 elif theCriterion == FT_MultiConnection2D:
395 return aFilterMgr.CreateMultiConnection2D()
396 elif theCriterion == FT_Length:
397 return aFilterMgr.CreateLength()
398 elif theCriterion == FT_Length2D:
399 return aFilterMgr.CreateLength2D()
401 print "Error: given parameter is not numerucal functor type."
404 #Register the new proxy for SMESH_Gen
405 omniORB.registerObjref(SMESH._objref_SMESH_Gen._NP_RepositoryId, smeshDC)
408 ## Mother class to define algorithm, recommended to don't use directly.
411 class Mesh_Algorithm:
412 # @class Mesh_Algorithm
413 # @brief Class Mesh_Algorithm
417 #def __init__(self,smesh):
425 def FindHypothesis(self,hypname, args):
426 key = "%s %s %s" % (self.__class__.__name__, hypname, args)
427 if Mesh_Algorithm.hypos.has_key( key ):
428 return Mesh_Algorithm.hypos[ key ]
431 ## If the algorithm is global, return 0; \n
432 # else return the submesh associated to this algorithm.
433 def GetSubMesh(self):
436 ## Return the wrapped mesher.
437 def GetAlgorithm(self):
440 ## Get list of hypothesis that can be used with this algorithm
441 def GetCompatibleHypothesis(self):
444 mylist = self.algo.GetCompatibleHypothesis()
452 def SetName(self, name):
453 SetName(self.algo, name)
457 return self.algo.GetId()
460 def Create(self, mesh, geom, hypo, so="libStdMeshersEngine.so"):
462 raise RuntimeError, "Attemp to create " + hypo + " algoritm on None shape"
463 algo = mesh.smeshpyD.CreateHypothesis(hypo, so)
464 self.Assign(algo, mesh, geom)
468 def Assign(self, algo, mesh, geom):
470 raise RuntimeError, "Attemp to create " + hypo + " algoritm on None shape"
479 name = mesh.geompyD.SubShapeName(geom, piece)
480 mesh.geompyD.addToStudyInFather(piece, geom, name)
481 self.subm = mesh.mesh.GetSubMesh(geom, algo.GetName())
484 status = mesh.mesh.AddHypothesis(self.geom, self.algo)
485 TreatHypoStatus( status, algo.GetName(), GetName(algo), True )
488 def Hypothesis(self, hyp, args=[], so="libStdMeshersEngine.so", UseExisting=0):
491 hypo = self.FindHypothesis(hyp, args)
492 if hypo!=None: CreateNew = 0
495 hypo = self.mesh.smeshpyD.CreateHypothesis(hyp, so)
496 key = "%s %s %s" % (self.__class__.__name__, hyp, args)
497 Mesh_Algorithm.hypos[key] = hypo
503 a = a + s + str(args[i])
506 name = GetName(self.geom)
507 #SetName(hypo, name + "/" + hyp + a) - NPAL16198
508 SetName(hypo, hyp + a)
510 status = self.mesh.mesh.AddHypothesis(self.geom, hypo)
511 TreatHypoStatus( status, hyp, GetName(hypo), 0 )
515 # Public class: Mesh_Segment
516 # --------------------------
518 ## Class to define a segment 1D algorithm for discretization
521 class Mesh_Segment(Mesh_Algorithm):
523 algo = 0 # algorithm object common for all Mesh_Segment's
525 ## Private constructor.
526 def __init__(self, mesh, geom=0):
527 Mesh_Algorithm.__init__(self)
529 if not Mesh_Segment.algo:
530 Mesh_Segment.algo = self.Create(mesh, geom, "Regular_1D")
532 self.Assign( Mesh_Segment.algo, mesh, geom)
535 ## Define "LocalLength" hypothesis to cut an edge in several segments with the same length
536 # @param l for the length of segments that cut an edge
537 # @param UseExisting if ==true - search existing hypothesis created with
538 # same parameters, else (default) - create new
539 def LocalLength(self, l, UseExisting=0):
540 hyp = self.Hypothesis("LocalLength", [l], UseExisting=UseExisting)
544 ## Define "NumberOfSegments" hypothesis to cut an edge in several fixed number of segments
545 # @param n for the number of segments that cut an edge
546 # @param s for the scale factor (optional)
547 # @param UseExisting if ==true - search existing hypothesis created with
548 # same parameters, else (default) - create new
549 def NumberOfSegments(self, n, s=[], UseExisting=0):
551 hyp = self.Hypothesis("NumberOfSegments", [n], UseExisting=UseExisting)
553 hyp = self.Hypothesis("NumberOfSegments", [n,s], UseExisting=UseExisting)
554 hyp.SetDistrType( 1 )
555 hyp.SetScaleFactor(s)
556 hyp.SetNumberOfSegments(n)
559 ## Define "Arithmetic1D" hypothesis to cut an edge in several segments with arithmetic length increasing
560 # @param start for the length of the first segment
561 # @param end for the length of the last segment
562 # @param UseExisting if ==true - search existing hypothesis created with
563 # same parameters, else (default) - create new
564 def Arithmetic1D(self, start, end, UseExisting=0):
565 hyp = self.Hypothesis("Arithmetic1D", [start, end], UseExisting=UseExisting)
566 hyp.SetLength(start, 1)
567 hyp.SetLength(end , 0)
570 ## Define "StartEndLength" hypothesis to cut an edge in several segments with geometric length increasing
571 # @param start for the length of the first segment
572 # @param end for the length of the last segment
573 # @param UseExisting if ==true - search existing hypothesis created with
574 # same parameters, else (default) - create new
575 def StartEndLength(self, start, end, UseExisting=0):
576 hyp = self.Hypothesis("StartEndLength", [start, end], UseExisting=UseExisting)
577 hyp.SetLength(start, 1)
578 hyp.SetLength(end , 0)
581 ## Define "Deflection1D" hypothesis
582 # @param d for the deflection
583 # @param UseExisting if ==true - search existing hypothesis created with
584 # same parameters, else (default) - create new
585 def Deflection1D(self, d, UseExisting=0):
586 hyp = self.Hypothesis("Deflection1D", [d], UseExisting=UseExisting)
590 ## Define "Propagation" hypothesis that propagate all other hypothesis on all others edges that are in
591 # the opposite side in the case of quadrangular faces
592 def Propagation(self):
593 return self.Hypothesis("Propagation", UseExisting=1)
595 ## Define "AutomaticLength" hypothesis
596 # @param fineness for the fineness [0-1]
597 # @param UseExisting if ==true - search existing hypothesis created with
598 # same parameters, else (default) - create new
599 def AutomaticLength(self, fineness=0, UseExisting=0):
600 hyp = self.Hypothesis("AutomaticLength",[fineness],UseExisting=UseExisting)
601 hyp.SetFineness( fineness )
604 ## Define "SegmentLengthAroundVertex" hypothesis
605 # @param length for the segment length
606 # @param vertex for the length localization: vertex index [0,1] | verext object
607 # @param UseExisting if ==true - search existing hypothesis created with
608 # same parameters, else (default) - create new
609 def LengthNearVertex(self, length, vertex=0, UseExisting=0):
611 store_geom = self.geom
613 if type(vertex) is types.IntType:
614 vertex = self.mesh.geompyD.SubShapeAllSorted(self.geom, geompyDC.ShapeType["VERTEX"])[vertex]
618 hyp = self.Hypothesis("SegmentAroundVertex_0D",[length],UseExisting=UseExisting)
619 hyp = self.Hypothesis("SegmentLengthAroundVertex",[length],UseExisting=UseExisting)
620 self.geom = store_geom
621 hyp.SetLength( length )
624 ## Define "QuadraticMesh" hypothesis, forcing construction of quadratic edges.
625 # If the 2D mesher sees that all boundary edges are quadratic ones,
626 # it generates quadratic faces, else it generates linear faces using
627 # medium nodes as if they were vertex ones.
628 # The 3D mesher generates quadratic volumes only if all boundary faces
629 # are quadratic ones, else it fails.
630 def QuadraticMesh(self):
631 hyp = self.Hypothesis("QuadraticMesh", UseExisting=1)
634 # Public class: Mesh_CompositeSegment
635 # --------------------------
637 ## Class to define a segment 1D algorithm for discretization
640 class Mesh_CompositeSegment(Mesh_Segment):
642 algo = 0 # algorithm object common for all Mesh_CompositeSegment's
644 ## Private constructor.
645 def __init__(self, mesh, geom=0):
646 if not Mesh_CompositeSegment.algo:
647 Mesh_CompositeSegment.algo = self.Create(mesh, geom, "CompositeSegment_1D")
649 self.Assign( Mesh_CompositeSegment.algo, mesh, geom)
653 # Public class: Mesh_Segment_Python
654 # ---------------------------------
656 ## Class to define a segment 1D algorithm for discretization with python function
659 class Mesh_Segment_Python(Mesh_Segment):
661 algo = 0 # algorithm object common for all Mesh_Segment_Python's
663 ## Private constructor.
664 def __init__(self, mesh, geom=0):
665 import Python1dPlugin
666 if not Mesh_Segment_Python.algo:
667 Mesh_Segment_Python.algo = self.Create(mesh, geom, "Python_1D", "libPython1dEngine.so")
669 self.Assign( Mesh_Segment_Python.algo, mesh, geom)
672 ## Define "PythonSplit1D" hypothesis based on the Erwan Adam patch, awaiting equivalent SALOME functionality
673 # @param n for the number of segments that cut an edge
674 # @param func for the python function that calculate the length of all segments
675 # @param UseExisting if ==true - search existing hypothesis created with
676 # same parameters, else (default) - create new
677 def PythonSplit1D(self, n, func, UseExisting=0):
678 hyp = self.Hypothesis("PythonSplit1D", [n], "libPython1dEngine.so", UseExisting=UseExisting)
679 hyp.SetNumberOfSegments(n)
680 hyp.SetPythonLog10RatioFunction(func)
683 # Public class: Mesh_Triangle
684 # ---------------------------
686 ## Class to define a triangle 2D algorithm
689 class Mesh_Triangle(Mesh_Algorithm):
695 # algorithm objects common for all instances of Mesh_Triangle
700 ## Private constructor.
701 def __init__(self, mesh, algoType, geom=0):
702 Mesh_Algorithm.__init__(self)
704 if algoType == MEFISTO:
705 if not Mesh_Triangle.algoMEF:
706 Mesh_Triangle.algoMEF = self.Create(mesh, geom, "MEFISTO_2D")
708 self.Assign( Mesh_Triangle.algoMEF, mesh, geom)
711 elif algoType == NETGEN:
713 print "Warning: NETGENPlugin module unavailable"
715 if not Mesh_Triangle.algoNET:
716 Mesh_Triangle.algoNET = self.Create(mesh, geom, "NETGEN_2D", "libNETGENEngine.so")
718 self.Assign( Mesh_Triangle.algoNET, mesh, geom)
721 elif algoType == NETGEN_2D:
723 print "Warning: NETGENPlugin module unavailable"
725 if not Mesh_Triangle.algoNET_2D:
726 Mesh_Triangle.algoNET_2D = self.Create(mesh, geom,
727 "NETGEN_2D_ONLY", "libNETGENEngine.so")
729 self.Assign( Mesh_Triangle.algoNET_2D, mesh, geom)
733 self.algoType = algoType
735 ## Define "MaxElementArea" hypothesis to give the maximun area of each triangles
736 # @param area for the maximum area of each triangles
737 # @param UseExisting if ==true - search existing hypothesis created with
738 # same parameters, else (default) - create new
740 # Only for algoType == MEFISTO || NETGEN_2D
741 def MaxElementArea(self, area, UseExisting=0):
742 if self.algoType == MEFISTO or self.algoType == NETGEN_2D:
743 hyp = self.Hypothesis("MaxElementArea", [area], UseExisting=UseExisting)
744 hyp.SetMaxElementArea(area)
746 elif self.algoType == NETGEN:
747 print "Netgen 1D-2D algo doesn't support this hypothesis"
750 ## Define "LengthFromEdges" hypothesis to build triangles based on the length of the edges taken from the wire
752 # Only for algoType == MEFISTO || NETGEN_2D
753 def LengthFromEdges(self):
754 if self.algoType == MEFISTO or self.algoType == NETGEN_2D:
755 hyp = self.Hypothesis("LengthFromEdges", UseExisting=1)
757 elif self.algoType == NETGEN:
758 print "Netgen 1D-2D algo doesn't support this hypothesis"
761 ## Set QuadAllowed flag
763 # Only for algoType == NETGEN || NETGEN_2D
764 def SetQuadAllowed(self, toAllow=True):
765 if self.algoType == NETGEN_2D:
766 if toAllow: # add QuadranglePreference
767 self.Hypothesis("QuadranglePreference", UseExisting=1)
768 else: # remove QuadranglePreference
769 for hyp in self.mesh.GetHypothesisList( self.geom ):
770 if hyp.GetName() == "QuadranglePreference":
771 self.mesh.RemoveHypothesis( self.geom, hyp )
776 if self.params == 0 and self.Parameters():
777 self.params.SetQuadAllowed(toAllow)
780 ## Define "Netgen 2D Parameters" hypothesis
782 # Only for algoType == NETGEN
783 def Parameters(self):
784 if self.algoType == NETGEN:
785 self.params = self.Hypothesis("NETGEN_Parameters_2D", [],
786 "libNETGENEngine.so", UseExisting=0)
788 elif self.algoType == MEFISTO:
789 print "Mefisto algo doesn't support NETGEN_Parameters_2D hypothesis"
791 elif self.algoType == NETGEN_2D:
792 print "NETGEN_2D_ONLY algo doesn't support 'NETGEN_Parameters_2D' hypothesis"
793 print "NETGEN_2D_ONLY uses 'MaxElementArea' and 'LengthFromEdges' ones"
799 # Only for algoType == NETGEN
800 def SetMaxSize(self, theSize):
801 if self.params == 0 and self.Parameters():
802 self.params.SetMaxSize(theSize)
804 ## Set SecondOrder flag
806 # Only for algoType == NETGEN
807 def SetSecondOrder(self, theVal):
808 if self.params == 0 and self.Parameters():
809 self.params.SetSecondOrder(theVal)
814 # Only for algoType == NETGEN
815 def SetOptimize(self, theVal):
816 if self.params == 0 and self.Parameters():
817 self.params.SetOptimize(theVal)
820 # @param theFineness is:
821 # VeryCoarse, Coarse, Moderate, Fine, VeryFine or Custom
823 # Only for algoType == NETGEN
824 def SetFineness(self, theFineness):
825 if self.params == 0 and self.Parameters():
826 self.params.SetFineness(theFineness)
830 # Only for algoType == NETGEN
831 def SetGrowthRate(self, theRate):
832 if self.params == 0 and self.Parameters():
833 self.params.SetGrowthRate(theRate)
837 # Only for algoType == NETGEN
838 def SetNbSegPerEdge(self, theVal):
839 if self.params == 0 and self.Parameters():
840 self.params.SetNbSegPerEdge(theVal)
842 ## Set NbSegPerRadius
844 # Only for algoType == NETGEN
845 def SetNbSegPerRadius(self, theVal):
846 if self.params == 0 and self.Parameters():
847 self.params.SetNbSegPerRadius(theVal)
852 # Public class: Mesh_Quadrangle
853 # -----------------------------
855 ## Class to define a quadrangle 2D algorithm
858 class Mesh_Quadrangle(Mesh_Algorithm):
860 algo = 0 # algorithm object common for all Mesh_Quadrangle's
862 ## Private constructor.
863 def __init__(self, mesh, geom=0):
864 Mesh_Algorithm.__init__(self)
866 if not Mesh_Quadrangle.algo:
867 Mesh_Quadrangle.algo = self.Create(mesh, geom, "Quadrangle_2D")
869 self.Assign( Mesh_Quadrangle.algo, mesh, geom)
872 ## Define "QuadranglePreference" hypothesis, forcing construction
873 # of quadrangles if the number of nodes on opposite edges is not the same
874 # in the case where the global number of nodes on edges is even
875 def QuadranglePreference(self):
876 hyp = self.Hypothesis("QuadranglePreference", UseExisting=1)
879 # Public class: Mesh_Tetrahedron
880 # ------------------------------
882 ## Class to define a tetrahedron 3D algorithm
885 class Mesh_Tetrahedron(Mesh_Algorithm):
890 algoNET = 0 # algorithm object common for all Mesh_Tetrahedron's
891 algoGHS = 0 # algorithm object common for all Mesh_Tetrahedron's
892 algoFNET = 0 # algorithm object common for all Mesh_Tetrahedron's
894 ## Private constructor.
895 def __init__(self, mesh, algoType, geom=0):
896 Mesh_Algorithm.__init__(self)
898 if algoType == NETGEN:
899 if not Mesh_Tetrahedron.algoNET:
900 Mesh_Tetrahedron.algoNET = self.Create(mesh, geom, "NETGEN_3D", "libNETGENEngine.so")
902 self.Assign( Mesh_Tetrahedron.algoNET, mesh, geom)
906 elif algoType == GHS3D:
907 if not Mesh_Tetrahedron.algoGHS:
909 Mesh_Tetrahedron.algoGHS = self.Create(mesh, geom, "GHS3D_3D" , "libGHS3DEngine.so")
911 self.Assign( Mesh_Tetrahedron.algoGHS, mesh, geom)
915 elif algoType == FULL_NETGEN:
917 print "Warning: NETGENPlugin module has not been imported."
918 if not Mesh_Tetrahedron.algoFNET:
919 Mesh_Tetrahedron.algoFNET = self.Create(mesh, geom, "NETGEN_2D3D", "libNETGENEngine.so")
921 self.Assign( Mesh_Tetrahedron.algoFNET, mesh, geom)
925 self.algoType = algoType
927 ## Define "MaxElementVolume" hypothesis to give the maximun volume of each tetrahedral
928 # @param vol for the maximum volume of each tetrahedral
929 # @param UseExisting if ==true - search existing hypothesis created with
930 # same parameters, else (default) - create new
931 def MaxElementVolume(self, vol, UseExisting=0):
932 hyp = self.Hypothesis("MaxElementVolume", [vol], UseExisting=UseExisting)
933 hyp.SetMaxElementVolume(vol)
936 ## Define "Netgen 3D Parameters" hypothesis
937 def Parameters(self):
938 if (self.algoType == FULL_NETGEN):
939 self.params = self.Hypothesis("NETGEN_Parameters", [],
940 "libNETGENEngine.so", UseExisting=0)
943 print "Algo doesn't support this hypothesis"
947 def SetMaxSize(self, theSize):
950 self.params.SetMaxSize(theSize)
952 ## Set SecondOrder flag
953 def SetSecondOrder(self, theVal):
956 self.params.SetSecondOrder(theVal)
959 def SetOptimize(self, theVal):
962 self.params.SetOptimize(theVal)
965 # @param theFineness is:
966 # VeryCoarse, Coarse, Moderate, Fine, VeryFine or Custom
967 def SetFineness(self, theFineness):
970 self.params.SetFineness(theFineness)
973 def SetGrowthRate(self, theRate):
976 self.params.SetGrowthRate(theRate)
979 def SetNbSegPerEdge(self, theVal):
982 self.params.SetNbSegPerEdge(theVal)
984 ## Set NbSegPerRadius
985 def SetNbSegPerRadius(self, theVal):
988 self.params.SetNbSegPerRadius(theVal)
990 # Public class: Mesh_Hexahedron
991 # ------------------------------
993 ## Class to define a hexahedron 3D algorithm
996 class Mesh_Hexahedron(Mesh_Algorithm):
998 algo = 0 # algorithm object common for all Mesh_Hexahedron's
1000 ## Private constructor.
1001 def __init__(self, mesh, geom=0):
1002 Mesh_Algorithm.__init__(self)
1004 if not Mesh_Hexahedron.algo:
1005 Mesh_Hexahedron.algo = self.Create(mesh, geom, "Hexa_3D")
1007 self.Assign( Mesh_Hexahedron.algo, mesh, geom)
1010 # Deprecated, only for compatibility!
1011 # Public class: Mesh_Netgen
1012 # ------------------------------
1014 ## Class to define a NETGEN-based 2D or 3D algorithm
1015 # that need no discrete boundary (i.e. independent)
1017 # This class is deprecated, only for compatibility!
1020 class Mesh_Netgen(Mesh_Algorithm):
1024 algoNET23 = 0 # algorithm object common for all Mesh_Netgen's
1025 algoNET2 = 0 # algorithm object common for all Mesh_Netgen's
1027 ## Private constructor.
1028 def __init__(self, mesh, is3D, geom=0):
1029 Mesh_Algorithm.__init__(self)
1032 print "Warning: NETGENPlugin module has not been imported."
1036 if not Mesh_Netgen.algoNET23:
1037 Mesh_Netgen.algoNET23 = self.Create(mesh, geom, "NETGEN_2D3D", "libNETGENEngine.so")
1039 self.Assign( Mesh_Netgen.algoNET23, mesh, geom)
1044 if not Mesh_Netgen.algoNET2:
1045 Mesh_Netgen.algoNET2 = self.Create(mesh, geom, "NETGEN_2D", "libNETGENEngine.so")
1047 self.Assign( Mesh_Netgen.algoNET2, mesh, geom)
1051 ## Define hypothesis containing parameters of the algorithm
1052 def Parameters(self):
1054 hyp = self.Hypothesis("NETGEN_Parameters", [],
1055 "libNETGENEngine.so", UseExisting=0)
1057 hyp = self.Hypothesis("NETGEN_Parameters_2D", [],
1058 "libNETGENEngine.so", UseExisting=0)
1061 # Public class: Mesh_Projection1D
1062 # ------------------------------
1064 ## Class to define a projection 1D algorithm
1067 class Mesh_Projection1D(Mesh_Algorithm):
1069 algo = 0 # algorithm object common for all Mesh_Projection1D's
1071 ## Private constructor.
1072 def __init__(self, mesh, geom=0):
1073 Mesh_Algorithm.__init__(self)
1075 if not Mesh_Projection1D.algo:
1076 Mesh_Projection1D.algo = self.Create(mesh, geom, "Projection_1D")
1078 self.Assign( Mesh_Projection1D.algo, mesh, geom)
1081 ## Define "Source Edge" hypothesis, specifying a meshed edge to
1082 # take a mesh pattern from, and optionally association of vertices
1083 # between the source edge and a target one (where a hipothesis is assigned to)
1084 # @param edge to take nodes distribution from
1085 # @param mesh to take nodes distribution from (optional)
1086 # @param srcV is vertex of \a edge to associate with \a tgtV (optional)
1087 # @param tgtV is vertex of \a the edge where the algorithm is assigned,
1088 # to associate with \a srcV (optional)
1089 # @param UseExisting if ==true - search existing hypothesis created with
1090 # same parameters, else (default) - create new
1091 def SourceEdge(self, edge, mesh=None, srcV=None, tgtV=None, UseExisting=0):
1092 hyp = self.Hypothesis("ProjectionSource1D", [edge,mesh,srcV,tgtV], UseExisting=UseExisting)
1093 hyp.SetSourceEdge( edge )
1094 if not mesh is None and isinstance(mesh, Mesh):
1095 mesh = mesh.GetMesh()
1096 hyp.SetSourceMesh( mesh )
1097 hyp.SetVertexAssociation( srcV, tgtV )
1101 # Public class: Mesh_Projection2D
1102 # ------------------------------
1104 ## Class to define a projection 2D algorithm
1107 class Mesh_Projection2D(Mesh_Algorithm):
1109 algo = 0 # algorithm object common for all Mesh_Projection2D's
1111 ## Private constructor.
1112 def __init__(self, mesh, geom=0):
1113 Mesh_Algorithm.__init__(self)
1115 if not Mesh_Projection2D.algo:
1116 Mesh_Projection2D.algo = self.Create(mesh, geom, "Projection_2D")
1118 self.Assign( Mesh_Projection2D.algo, mesh, geom)
1121 ## Define "Source Face" hypothesis, specifying a meshed face to
1122 # take a mesh pattern from, and optionally association of vertices
1123 # between the source face and a target one (where a hipothesis is assigned to)
1124 # @param face to take mesh pattern from
1125 # @param mesh to take mesh pattern from (optional)
1126 # @param srcV1 is vertex of \a face to associate with \a tgtV1 (optional)
1127 # @param tgtV1 is vertex of \a the face where the algorithm is assigned,
1128 # to associate with \a srcV1 (optional)
1129 # @param srcV2 is vertex of \a face to associate with \a tgtV1 (optional)
1130 # @param tgtV2 is vertex of \a the face where the algorithm is assigned,
1131 # to associate with \a srcV2 (optional)
1132 # @param UseExisting if ==true - search existing hypothesis created with
1133 # same parameters, else (default) - create new
1135 # Note: association vertices must belong to one edge of a face
1136 def SourceFace(self, face, mesh=None, srcV1=None, tgtV1=None,
1137 srcV2=None, tgtV2=None, UseExisting=0):
1138 hyp = self.Hypothesis("ProjectionSource2D", [face,mesh,srcV1,tgtV1,srcV2,tgtV2],
1139 UseExisting=UseExisting)
1140 hyp.SetSourceFace( face )
1141 if not mesh is None and isinstance(mesh, Mesh):
1142 mesh = mesh.GetMesh()
1143 hyp.SetSourceMesh( mesh )
1144 hyp.SetVertexAssociation( srcV1, srcV2, tgtV1, tgtV2 )
1147 # Public class: Mesh_Projection3D
1148 # ------------------------------
1150 ## Class to define a projection 3D algorithm
1153 class Mesh_Projection3D(Mesh_Algorithm):
1155 algo = 0 # algorithm object common for all Mesh_Projection3D's
1157 ## Private constructor.
1158 def __init__(self, mesh, geom=0):
1159 Mesh_Algorithm.__init__(self)
1161 if not Mesh_Projection3D.algo:
1162 Mesh_Projection3D.algo = self.Create(mesh, geom, "Projection_3D")
1164 self.Assign( Mesh_Projection3D.algo, mesh, geom)
1167 ## Define "Source Shape 3D" hypothesis, specifying a meshed solid to
1168 # take a mesh pattern from, and optionally association of vertices
1169 # between the source solid and a target one (where a hipothesis is assigned to)
1170 # @param solid to take mesh pattern from
1171 # @param mesh to take mesh pattern from (optional)
1172 # @param srcV1 is vertex of \a solid to associate with \a tgtV1 (optional)
1173 # @param tgtV1 is vertex of \a the solid where the algorithm is assigned,
1174 # to associate with \a srcV1 (optional)
1175 # @param srcV2 is vertex of \a solid to associate with \a tgtV1 (optional)
1176 # @param tgtV2 is vertex of \a the solid where the algorithm is assigned,
1177 # to associate with \a srcV2 (optional)
1178 # @param UseExisting - if ==true - search existing hypothesis created with
1179 # same parameters, else (default) - create new
1181 # Note: association vertices must belong to one edge of a solid
1182 def SourceShape3D(self, solid, mesh=0, srcV1=0, tgtV1=0,
1183 srcV2=0, tgtV2=0, UseExisting=0):
1184 hyp = self.Hypothesis("ProjectionSource3D",
1185 [solid,mesh,srcV1,tgtV1,srcV2,tgtV2],
1186 UseExisting=UseExisting)
1187 hyp.SetSource3DShape( solid )
1188 if not mesh is None and isinstance(mesh, Mesh):
1189 mesh = mesh.GetMesh()
1190 hyp.SetSourceMesh( mesh )
1191 hyp.SetVertexAssociation( srcV1, srcV2, tgtV1, tgtV2 )
1195 # Public class: Mesh_Prism
1196 # ------------------------
1198 ## Class to define a 3D extrusion algorithm
1201 class Mesh_Prism3D(Mesh_Algorithm):
1203 algo = 0 # algorithm object common for all Mesh_Prism3D's
1205 ## Private constructor.
1206 def __init__(self, mesh, geom=0):
1207 Mesh_Algorithm.__init__(self)
1209 if not Mesh_Prism3D.algo:
1210 Mesh_Prism3D.algo = self.Create(mesh, geom, "Prism_3D")
1212 self.Assign( Mesh_Prism3D.algo, mesh, geom)
1215 # Public class: Mesh_RadialPrism
1216 # -------------------------------
1218 ## Class to define a Radial Prism 3D algorithm
1221 class Mesh_RadialPrism3D(Mesh_Algorithm):
1223 algo = 0 # algorithm object common for all Mesh_RadialPrism3D's
1225 ## Private constructor.
1226 def __init__(self, mesh, geom=0):
1227 Mesh_Algorithm.__init__(self)
1229 if not Mesh_RadialPrism3D.algo:
1230 Mesh_RadialPrism3D.algo = self.Create(mesh, geom, "RadialPrism_3D")
1232 self.Assign( Mesh_RadialPrism3D.algo, mesh, geom)
1234 self.distribHyp = self.Hypothesis( "LayerDistribution", UseExisting=0)
1235 self.nbLayers = None
1237 ## Return 3D hypothesis holding the 1D one
1238 def Get3DHypothesis(self):
1239 return self.distribHyp
1241 ## Private method creating 1D hypothes and storing it in the LayerDistribution
1242 # hypothes. Returns the created hypothes
1243 def OwnHypothesis(self, hypType, args=[], so="libStdMeshersEngine.so"):
1244 print "OwnHypothesis",hypType
1245 if not self.nbLayers is None:
1246 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.nbLayers )
1247 self.mesh.GetMesh().AddHypothesis( self.geom, self.distribHyp )
1248 study = self.mesh.smeshpyD.GetCurrentStudy() # prevent publishing of own 1D hypothesis
1249 hyp = self.mesh.smeshpyD.CreateHypothesis(hypType, so)
1250 self.mesh.smeshpyD.SetCurrentStudy( study ) # anable publishing
1251 self.distribHyp.SetLayerDistribution( hyp )
1254 ## Define "NumberOfLayers" hypothesis, specifying a number of layers of
1255 # prisms to build between the inner and outer shells
1256 # @param UseExisting if ==true - search existing hypothesis created with
1257 # same parameters, else (default) - create new
1258 def NumberOfLayers(self, n, UseExisting=0):
1259 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.distribHyp )
1260 self.nbLayers = self.Hypothesis("NumberOfLayers", [n], UseExisting=UseExisting)
1261 self.nbLayers.SetNumberOfLayers( n )
1262 return self.nbLayers
1264 ## Define "LocalLength" hypothesis, specifying segment length
1265 # to build between the inner and outer shells
1266 # @param l for the length of segments
1267 def LocalLength(self, l):
1268 hyp = self.OwnHypothesis("LocalLength", [l] )
1272 ## Define "NumberOfSegments" hypothesis, specifying a number of layers of
1273 # prisms to build between the inner and outer shells
1274 # @param n for the number of segments
1275 # @param s for the scale factor (optional)
1276 def NumberOfSegments(self, n, s=[]):
1278 hyp = self.OwnHypothesis("NumberOfSegments", [n] )
1280 hyp = self.OwnHypothesis("NumberOfSegments", [n,s])
1281 hyp.SetDistrType( 1 )
1282 hyp.SetScaleFactor(s)
1283 hyp.SetNumberOfSegments(n)
1286 ## Define "Arithmetic1D" hypothesis, specifying distribution of segments
1287 # to build between the inner and outer shells as arithmetic length increasing
1288 # @param start for the length of the first segment
1289 # @param end for the length of the last segment
1290 def Arithmetic1D(self, start, end ):
1291 hyp = self.OwnHypothesis("Arithmetic1D", [start, end])
1292 hyp.SetLength(start, 1)
1293 hyp.SetLength(end , 0)
1296 ## Define "StartEndLength" hypothesis, specifying distribution of segments
1297 # to build between the inner and outer shells as geometric length increasing
1298 # @param start for the length of the first segment
1299 # @param end for the length of the last segment
1300 def StartEndLength(self, start, end):
1301 hyp = self.OwnHypothesis("StartEndLength", [start, end])
1302 hyp.SetLength(start, 1)
1303 hyp.SetLength(end , 0)
1306 ## Define "AutomaticLength" hypothesis, specifying number of segments
1307 # to build between the inner and outer shells
1308 # @param fineness for the fineness [0-1]
1309 def AutomaticLength(self, fineness=0):
1310 hyp = self.OwnHypothesis("AutomaticLength")
1311 hyp.SetFineness( fineness )
1315 # Public class: Mesh
1316 # ==================
1318 ## Class to define a mesh
1320 # The class contains mesh shape, SMESH_Mesh, SMESH_MeshEditor
1330 # Creates mesh on the shape \a geom(or the empty mesh if geom equal to 0),
1331 # sets GUI name of this mesh to \a name.
1332 # @param obj Shape to be meshed or SMESH_Mesh object
1333 # @param name Study name of the mesh
1334 def __init__(self, smeshpyD, geompyD, obj=0, name=0):
1335 self.smeshpyD=smeshpyD
1336 self.geompyD=geompyD
1340 if isinstance(obj, geompyDC.GEOM._objref_GEOM_Object):
1342 self.mesh = self.smeshpyD.CreateMesh(self.geom)
1343 elif isinstance(obj, SMESH._objref_SMESH_Mesh):
1346 self.mesh = self.smeshpyD.CreateEmptyMesh()
1348 SetName(self.mesh, name)
1350 SetName(self.mesh, GetName(obj))
1352 self.editor = self.mesh.GetMeshEditor()
1354 ## Method that inits the Mesh object from SMESH_Mesh interface
1355 # @param theMesh is SMESH_Mesh object
1356 def SetMesh(self, theMesh):
1358 self.geom = self.mesh.GetShapeToMesh()
1360 ## Method that returns the mesh
1361 # @return SMESH_Mesh object
1367 name = GetName(self.GetMesh())
1371 def SetName(self, name):
1372 SetName(self.GetMesh(), name)
1374 ## Get the subMesh object associated to a subShape. The subMesh object
1375 # gives access to nodes and elements IDs.
1376 # \n SubMesh will be used instead of SubShape in a next idl version to
1377 # adress a specific subMesh...
1378 def GetSubMesh(self, theSubObject, name):
1379 submesh = self.mesh.GetSubMesh(theSubObject, name)
1382 ## Method that returns the shape associated to the mesh
1383 # @return GEOM_Object
1387 ## Method that associates given shape to the mesh(entails the mesh recreation)
1388 # @param geom shape to be meshed(GEOM_Object)
1389 def SetShape(self, geom):
1390 self.mesh = self.smeshpyD.CreateMesh(geom)
1392 ## Return true if hypotheses are defined well
1393 # @param theMesh is an instance of Mesh class
1394 # @param theSubObject subshape of a mesh shape
1395 def IsReadyToCompute(self, theSubObject):
1396 return self.smeshpyD.IsReadyToCompute(self.mesh, theSubObject)
1398 ## Return errors of hypotheses definintion
1399 # error list is empty if everything is OK
1400 # @param theMesh is an instance of Mesh class
1401 # @param theSubObject subshape of a mesh shape
1402 # @return a list of errors
1403 def GetAlgoState(self, theSubObject):
1404 return self.smeshpyD.GetAlgoState(self.mesh, theSubObject)
1406 ## Return geometrical object the given element is built on.
1407 # The returned geometrical object, if not nil, is either found in the
1408 # study or is published by this method with the given name
1409 # @param theMesh is an instance of Mesh class
1410 # @param theElementID an id of the mesh element
1411 # @param theGeomName user defined name of geometrical object
1412 # @return GEOM::GEOM_Object instance
1413 def GetGeometryByMeshElement(self, theElementID, theGeomName):
1414 return self.smeshpyD.GetGeometryByMeshElement( self.mesh, theElementID, theGeomName )
1416 ## Returns mesh dimension depending on shape one
1417 def MeshDimension(self):
1418 shells = self.geompyD.SubShapeAllIDs( self.geom, geompyDC.ShapeType["SHELL"] )
1419 if len( shells ) > 0 :
1421 elif self.geompyD.NumberOfFaces( self.geom ) > 0 :
1423 elif self.geompyD.NumberOfEdges( self.geom ) > 0 :
1429 ## Creates a segment discretization 1D algorithm.
1430 # If the optional \a algo parameter is not sets, this algorithm is REGULAR.
1431 # If the optional \a geom parameter is not sets, this algorithm is global.
1432 # \n Otherwise, this algorithm define a submesh based on \a geom subshape.
1433 # @param algo values are smesh.REGULAR or smesh.PYTHON for discretization via python function
1434 # @param geom If defined, subshape to be meshed
1435 def Segment(self, algo=REGULAR, geom=0):
1436 ## if Segment(geom) is called by mistake
1437 if isinstance( algo, geompyDC.GEOM._objref_GEOM_Object):
1438 algo, geom = geom, algo
1439 if not algo: algo = REGULAR
1442 return Mesh_Segment(self, geom)
1443 elif algo == PYTHON:
1444 return Mesh_Segment_Python(self, geom)
1445 elif algo == COMPOSITE:
1446 return Mesh_CompositeSegment(self, geom)
1448 return Mesh_Segment(self, geom)
1450 ## Creates a triangle 2D algorithm for faces.
1451 # If the optional \a geom parameter is not sets, this algorithm is global.
1452 # \n Otherwise, this algorithm define a submesh based on \a geom subshape.
1453 # @param algo values are: smesh.MEFISTO || smesh.NETGEN_1D2D || smesh.NETGEN_2D
1454 # @param geom If defined, subshape to be meshed
1455 def Triangle(self, algo=MEFISTO, geom=0):
1456 ## if Triangle(geom) is called by mistake
1457 if ( isinstance( algo, geompyDC.GEOM._objref_GEOM_Object)):
1461 return Mesh_Triangle(self, algo, geom)
1463 ## Creates a quadrangle 2D algorithm for faces.
1464 # If the optional \a geom parameter is not sets, this algorithm is global.
1465 # \n Otherwise, this algorithm define a submesh based on \a geom subshape.
1466 # @param geom If defined, subshape to be meshed
1467 def Quadrangle(self, geom=0):
1468 return Mesh_Quadrangle(self, geom)
1470 ## Creates a tetrahedron 3D algorithm for solids.
1471 # The parameter \a algo permits to choice the algorithm: NETGEN or GHS3D
1472 # If the optional \a geom parameter is not sets, this algorithm is global.
1473 # \n Otherwise, this algorithm define a submesh based on \a geom subshape.
1474 # @param algo values are: smesh.NETGEN, smesh.GHS3D, smesh.FULL_NETGEN
1475 # @param geom If defined, subshape to be meshed
1476 def Tetrahedron(self, algo=NETGEN, geom=0):
1477 ## if Tetrahedron(geom) is called by mistake
1478 if ( isinstance( algo, geompyDC.GEOM._objref_GEOM_Object)):
1479 algo, geom = geom, algo
1480 if not algo: algo = NETGEN
1482 return Mesh_Tetrahedron(self, algo, geom)
1484 ## Creates a hexahedron 3D algorithm for solids.
1485 # If the optional \a geom parameter is not sets, this algorithm is global.
1486 # \n Otherwise, this algorithm define a submesh based on \a geom subshape.
1487 # @param geom If defined, subshape to be meshed
1488 def Hexahedron(self, geom=0):
1489 return Mesh_Hexahedron(self, geom)
1491 ## Deprecated, only for compatibility!
1492 def Netgen(self, is3D, geom=0):
1493 return Mesh_Netgen(self, is3D, geom)
1495 ## Creates a projection 1D algorithm for edges.
1496 # If the optional \a geom parameter is not sets, this algorithm is global.
1497 # Otherwise, this algorithm define a submesh based on \a geom subshape.
1498 # @param geom If defined, subshape to be meshed
1499 def Projection1D(self, geom=0):
1500 return Mesh_Projection1D(self, geom)
1502 ## Creates a projection 2D algorithm for faces.
1503 # If the optional \a geom parameter is not sets, this algorithm is global.
1504 # Otherwise, this algorithm define a submesh based on \a geom subshape.
1505 # @param geom If defined, subshape to be meshed
1506 def Projection2D(self, geom=0):
1507 return Mesh_Projection2D(self, geom)
1509 ## Creates a projection 3D algorithm for solids.
1510 # If the optional \a geom parameter is not sets, this algorithm is global.
1511 # Otherwise, this algorithm define a submesh based on \a geom subshape.
1512 # @param geom If defined, subshape to be meshed
1513 def Projection3D(self, geom=0):
1514 return Mesh_Projection3D(self, geom)
1516 ## Creates a 3D extrusion (Prism 3D) or RadialPrism 3D algorithm for solids.
1517 # If the optional \a geom parameter is not sets, this algorithm is global.
1518 # Otherwise, this algorithm define a submesh based on \a geom subshape.
1519 # @param geom If defined, subshape to be meshed
1520 def Prism(self, geom=0):
1524 nbSolids = len( self.geompyD.SubShapeAll( shape, geompyDC.ShapeType["SOLID"] ))
1525 nbShells = len( self.geompyD.SubShapeAll( shape, geompyDC.ShapeType["SHELL"] ))
1526 if nbSolids == 0 or nbSolids == nbShells:
1527 return Mesh_Prism3D(self, geom)
1528 return Mesh_RadialPrism3D(self, geom)
1530 ## Compute the mesh and return the status of the computation
1531 def Compute(self, geom=0):
1532 if geom == 0 or not isinstance(geom, geompyDC.GEOM._objref_GEOM_Object):
1534 print "Compute impossible: mesh is not constructed on geom shape."
1540 ok = self.smeshpyD.Compute(self.mesh, geom)
1541 except SALOME.SALOME_Exception, ex:
1542 print "Mesh computation failed, exception caught:"
1543 print " ", ex.details.text
1546 print "Mesh computation failed, exception caught:"
1547 traceback.print_exc()
1549 errors = self.smeshpyD.GetAlgoState( self.mesh, geom )
1552 if err.isGlobalAlgo:
1557 dim = str(err.algoDim)
1558 if err.name == MISSING_ALGO:
1559 reason = glob + dim + "D algorithm is missing"
1560 elif err.name == MISSING_HYPO:
1561 name = '"' + err.algoName + '"'
1562 reason = glob + dim + "D algorithm " + name + " misses " + dim + "D hypothesis"
1563 elif err.name == NOT_CONFORM_MESH:
1564 reason = "Global \"Not Conform mesh allowed\" hypothesis is missing"
1565 elif err.name == BAD_PARAM_VALUE:
1566 name = '"' + err.algoName + '"'
1567 reason = "Hypothesis of" + glob + dim + "D algorithm " + name +\
1568 " has a bad parameter value"
1570 reason = "For unknown reason."+\
1571 " Revise Mesh.Compute() implementation in smesh.py!"
1573 if allReasons != "":
1576 allReasons += reason
1578 if allReasons != "":
1579 print '"' + GetName(self.mesh) + '"',"has not been computed:"
1582 print '"' + GetName(self.mesh) + '"',"has not been computed."
1585 if salome.sg.hasDesktop():
1586 smeshgui = salome.ImportComponentGUI("SMESH")
1587 smeshgui.Init(salome.myStudyId)
1588 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), ok, (self.NbNodes()==0) )
1589 salome.sg.updateObjBrowser(1)
1593 ## Compute tetrahedral mesh using AutomaticLength + MEFISTO + NETGEN
1594 # The parameter \a fineness [0,-1] defines mesh fineness
1595 def AutomaticTetrahedralization(self, fineness=0):
1596 dim = self.MeshDimension()
1598 self.RemoveGlobalHypotheses()
1599 self.Segment().AutomaticLength(fineness)
1601 self.Triangle().LengthFromEdges()
1604 self.Tetrahedron(NETGEN)
1606 return self.Compute()
1608 ## Compute hexahedral mesh using AutomaticLength + Quadrangle + Hexahedron
1609 # The parameter \a fineness [0,-1] defines mesh fineness
1610 def AutomaticHexahedralization(self, fineness=0):
1611 dim = self.MeshDimension()
1613 self.RemoveGlobalHypotheses()
1614 self.Segment().AutomaticLength(fineness)
1621 return self.Compute()
1623 ## Assign hypothesis
1624 # @param hyp is a hypothesis to assign
1625 # @param geom is subhape of mesh geometry
1626 def AddHypothesis(self, hyp, geom=0 ):
1627 if isinstance( hyp, Mesh_Algorithm ):
1628 hyp = hyp.GetAlgorithm()
1633 status = self.mesh.AddHypothesis(geom, hyp)
1634 isAlgo = hyp._narrow( SMESH_Algo )
1635 TreatHypoStatus( status, GetName( hyp ), GetName( geom ), isAlgo )
1638 ## Unassign hypothesis
1639 # @param hyp is a hypothesis to unassign
1640 # @param geom is subhape of mesh geometry
1641 def RemoveHypothesis(self, hyp, geom=0 ):
1642 if isinstance( hyp, Mesh_Algorithm ):
1643 hyp = hyp.GetAlgorithm()
1648 status = self.mesh.RemoveHypothesis(geom, hyp)
1651 ## Get the list of hypothesis added on a geom
1652 # @param geom is subhape of mesh geometry
1653 def GetHypothesisList(self, geom):
1654 return self.mesh.GetHypothesisList( geom )
1656 ## Removes all global hypotheses
1657 def RemoveGlobalHypotheses(self):
1658 current_hyps = self.mesh.GetHypothesisList( self.geom )
1659 for hyp in current_hyps:
1660 self.mesh.RemoveHypothesis( self.geom, hyp )
1664 ## Create a mesh group based on geometric object \a grp
1665 # and give a \a name, \n if this parameter is not defined
1666 # the name is the same as the geometric group name \n
1667 # Note: Works like GroupOnGeom().
1668 # @param grp is a geometric group, a vertex, an edge, a face or a solid
1669 # @param name is the name of the mesh group
1670 # @return SMESH_GroupOnGeom
1671 def Group(self, grp, name=""):
1672 return self.GroupOnGeom(grp, name)
1674 ## Deprecated, only for compatibility! Please, use ExportMED() method instead.
1675 # Export the mesh in a file with the MED format and choice the \a version of MED format
1676 # @param f is the file name
1677 # @param version values are SMESH.MED_V2_1, SMESH.MED_V2_2
1678 def ExportToMED(self, f, version, opt=0):
1679 self.mesh.ExportToMED(f, opt, version)
1681 ## Export the mesh in a file with the MED format
1682 # @param f is the file name
1683 # @param auto_groups boolean parameter for creating/not creating
1684 # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
1685 # the typical use is auto_groups=false.
1686 # @param version MED format version(MED_V2_1 or MED_V2_2)
1687 def ExportMED(self, f, auto_groups=0, version=MED_V2_2):
1688 self.mesh.ExportToMED(f, auto_groups, version)
1690 ## Export the mesh in a file with the DAT format
1691 # @param f is the file name
1692 def ExportDAT(self, f):
1693 self.mesh.ExportDAT(f)
1695 ## Export the mesh in a file with the UNV format
1696 # @param f is the file name
1697 def ExportUNV(self, f):
1698 self.mesh.ExportUNV(f)
1700 ## Export the mesh in a file with the STL format
1701 # @param f is the file name
1702 # @param ascii defined the kind of file contents
1703 def ExportSTL(self, f, ascii=1):
1704 self.mesh.ExportSTL(f, ascii)
1707 # Operations with groups:
1708 # ----------------------
1710 ## Creates an empty mesh group
1711 # @param elementType is the type of elements in the group
1712 # @param name is the name of the mesh group
1713 # @return SMESH_Group
1714 def CreateEmptyGroup(self, elementType, name):
1715 return self.mesh.CreateGroup(elementType, name)
1717 ## Creates a mesh group based on geometric object \a grp
1718 # and give a \a name, \n if this parameter is not defined
1719 # the name is the same as the geometric group name
1720 # @param grp is a geometric group, a vertex, an edge, a face or a solid
1721 # @param name is the name of the mesh group
1722 # @return SMESH_GroupOnGeom
1723 def GroupOnGeom(self, grp, name="", typ=None):
1725 name = grp.GetName()
1728 tgeo = str(grp.GetShapeType())
1729 if tgeo == "VERTEX":
1731 elif tgeo == "EDGE":
1733 elif tgeo == "FACE":
1735 elif tgeo == "SOLID":
1737 elif tgeo == "SHELL":
1739 elif tgeo == "COMPOUND":
1740 if len( self.geompyD.GetObjectIDs( grp )) == 0:
1741 print "Mesh.Group: empty geometric group", GetName( grp )
1743 tgeo = self.geompyD.GetType(grp)
1744 if tgeo == geompyDC.ShapeType["VERTEX"]:
1746 elif tgeo == geompyDC.ShapeType["EDGE"]:
1748 elif tgeo == geompyDC.ShapeType["FACE"]:
1750 elif tgeo == geompyDC.ShapeType["SOLID"]:
1754 print "Mesh.Group: bad first argument: expected a group, a vertex, an edge, a face or a solid"
1757 return self.mesh.CreateGroupFromGEOM(typ, name, grp)
1759 ## Create a mesh group by the given ids of elements
1760 # @param groupName is the name of the mesh group
1761 # @param elementType is the type of elements in the group
1762 # @param elemIDs is the list of ids
1763 # @return SMESH_Group
1764 def MakeGroupByIds(self, groupName, elementType, elemIDs):
1765 group = self.mesh.CreateGroup(elementType, groupName)
1769 ## Create a mesh group by the given conditions
1770 # @param groupName is the name of the mesh group
1771 # @param elementType is the type of elements in the group
1772 # @param CritType is type of criterion( FT_Taper, FT_Area, FT_RangeOfIds, FT_LyingOnGeom etc. )
1773 # @param Compare belong to {FT_LessThan, FT_MoreThan, FT_EqualTo}
1774 # @param Treshold is threshold value (range of id ids as string, shape, numeric)
1775 # @param UnaryOp is FT_LogicalNOT or FT_Undefined
1776 # @return SMESH_Group
1780 CritType=FT_Undefined,
1783 UnaryOp=FT_Undefined):
1784 aCriterion = self.smeshpyD.GetCriterion(elementType, CritType, Compare, Treshold, UnaryOp, FT_Undefined)
1785 group = self.MakeGroupByCriterion(groupName, aCriterion)
1788 ## Create a mesh group by the given criterion
1789 # @param groupName is the name of the mesh group
1790 # @param Criterion is the instance of Criterion class
1791 # @return SMESH_Group
1792 def MakeGroupByCriterion(self, groupName, Criterion):
1793 aFilterMgr = self.smeshpyD.CreateFilterManager()
1794 aFilter = aFilterMgr.CreateFilter()
1796 aCriteria.append(Criterion)
1797 aFilter.SetCriteria(aCriteria)
1798 group = self.MakeGroupByFilter(groupName, aFilter)
1801 ## Create a mesh group by the given criteria(list of criterions)
1802 # @param groupName is the name of the mesh group
1803 # @param Criteria is the list of criterions
1804 # @return SMESH_Group
1805 def MakeGroupByCriteria(self, groupName, theCriteria):
1806 aFilterMgr = self.smeshpyD.CreateFilterManager()
1807 aFilter = aFilterMgr.CreateFilter()
1808 aFilter.SetCriteria(theCriteria)
1809 group = self.MakeGroupByFilter(groupName, aFilter)
1812 ## Create a mesh group by the given filter
1813 # @param groupName is the name of the mesh group
1814 # @param Criterion is the instance of Filter class
1815 # @return SMESH_Group
1816 def MakeGroupByFilter(self, groupName, theFilter):
1817 anIds = theFilter.GetElementsId(self.mesh)
1818 anElemType = theFilter.GetElementType()
1819 group = self.MakeGroupByIds(groupName, anElemType, anIds)
1822 ## Pass mesh elements through the given filter and return ids
1823 # @param theFilter is SMESH_Filter
1824 # @return list of ids
1825 def GetIdsFromFilter(self, theFilter):
1826 return theFilter.GetElementsId(self.mesh)
1828 ## Verify whether 2D mesh element has free edges(edges connected to one face only)\n
1829 # Returns list of special structures(borders).
1830 # @return list of SMESH.FreeEdges.Border structure: edge id and two its nodes ids.
1831 def GetFreeBorders(self):
1832 aFilterMgr = self.smeshpyD.CreateFilterManager()
1833 aPredicate = aFilterMgr.CreateFreeEdges()
1834 aPredicate.SetMesh(self.mesh)
1835 aBorders = aPredicate.GetBorders()
1839 def RemoveGroup(self, group):
1840 self.mesh.RemoveGroup(group)
1842 ## Remove group with its contents
1843 def RemoveGroupWithContents(self, group):
1844 self.mesh.RemoveGroupWithContents(group)
1846 ## Get the list of groups existing in the mesh
1847 def GetGroups(self):
1848 return self.mesh.GetGroups()
1850 ## Get the list of names of groups existing in the mesh
1851 def GetGroupNames(self):
1852 groups = self.GetGroups()
1854 for group in groups:
1855 names.append(group.GetName())
1858 ## Union of two groups
1859 # New group is created. All mesh elements that are
1860 # present in initial groups are added to the new one
1861 def UnionGroups(self, group1, group2, name):
1862 return self.mesh.UnionGroups(group1, group2, name)
1864 ## Intersection of two groups
1865 # New group is created. All mesh elements that are
1866 # present in both initial groups are added to the new one.
1867 def IntersectGroups(self, group1, group2, name):
1868 return self.mesh.IntersectGroups(group1, group2, name)
1870 ## Cut of two groups
1871 # New group is created. All mesh elements that are present in
1872 # main group but do not present in tool group are added to the new one
1873 def CutGroups(self, mainGroup, toolGroup, name):
1874 return self.mesh.CutGroups(mainGroup, toolGroup, name)
1877 # Get some info about mesh:
1878 # ------------------------
1880 ## Get the log of nodes and elements added or removed since previous
1882 # @param clearAfterGet log is emptied after Get (safe if concurrents access)
1883 # @return list of log_block structures:
1888 def GetLog(self, clearAfterGet):
1889 return self.mesh.GetLog(clearAfterGet)
1891 ## Clear the log of nodes and elements added or removed since previous
1892 # clear. Must be used immediately after GetLog if clearAfterGet is false.
1894 self.mesh.ClearLog()
1896 def SetAutoColor(self, color):
1897 self.mesh.SetAutoColor(color)
1899 def GetAutoColor(self):
1900 return self.mesh.GetAutoColor()
1902 ## Get the internal Id
1904 return self.mesh.GetId()
1907 def GetStudyId(self):
1908 return self.mesh.GetStudyId()
1910 ## Check group names for duplications.
1911 # Consider maximum group name length stored in MED file.
1912 def HasDuplicatedGroupNamesMED(self):
1913 return self.mesh.HasDuplicatedGroupNamesMED()
1915 ## Obtain instance of SMESH_MeshEditor
1916 def GetMeshEditor(self):
1917 return self.mesh.GetMeshEditor()
1920 def GetMEDMesh(self):
1921 return self.mesh.GetMEDMesh()
1924 # Get informations about mesh contents:
1925 # ------------------------------------
1927 ## Returns number of nodes in mesh
1929 return self.mesh.NbNodes()
1931 ## Returns number of elements in mesh
1932 def NbElements(self):
1933 return self.mesh.NbElements()
1935 ## Returns number of edges in mesh
1937 return self.mesh.NbEdges()
1939 ## Returns number of edges with given order in mesh
1940 # @param elementOrder is order of elements:
1941 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1942 def NbEdgesOfOrder(self, elementOrder):
1943 return self.mesh.NbEdgesOfOrder(elementOrder)
1945 ## Returns number of faces in mesh
1947 return self.mesh.NbFaces()
1949 ## Returns number of faces with given order in mesh
1950 # @param elementOrder is order of elements:
1951 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1952 def NbFacesOfOrder(self, elementOrder):
1953 return self.mesh.NbFacesOfOrder(elementOrder)
1955 ## Returns number of triangles in mesh
1956 def NbTriangles(self):
1957 return self.mesh.NbTriangles()
1959 ## Returns number of triangles with given order in mesh
1960 # @param elementOrder is order of elements:
1961 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1962 def NbTrianglesOfOrder(self, elementOrder):
1963 return self.mesh.NbTrianglesOfOrder(elementOrder)
1965 ## Returns number of quadrangles in mesh
1966 def NbQuadrangles(self):
1967 return self.mesh.NbQuadrangles()
1969 ## Returns number of quadrangles with given order in mesh
1970 # @param elementOrder is order of elements:
1971 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1972 def NbQuadranglesOfOrder(self, elementOrder):
1973 return self.mesh.NbQuadranglesOfOrder(elementOrder)
1975 ## Returns number of polygons in mesh
1976 def NbPolygons(self):
1977 return self.mesh.NbPolygons()
1979 ## Returns number of volumes in mesh
1980 def NbVolumes(self):
1981 return self.mesh.NbVolumes()
1983 ## Returns number of volumes with given order in mesh
1984 # @param elementOrder is order of elements:
1985 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1986 def NbVolumesOfOrder(self, elementOrder):
1987 return self.mesh.NbVolumesOfOrder(elementOrder)
1989 ## Returns number of tetrahedrons in mesh
1991 return self.mesh.NbTetras()
1993 ## Returns number of tetrahedrons with given order in mesh
1994 # @param elementOrder is order of elements:
1995 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1996 def NbTetrasOfOrder(self, elementOrder):
1997 return self.mesh.NbTetrasOfOrder(elementOrder)
1999 ## Returns number of hexahedrons in mesh
2001 return self.mesh.NbHexas()
2003 ## Returns number of hexahedrons with given order in mesh
2004 # @param elementOrder is order of elements:
2005 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
2006 def NbHexasOfOrder(self, elementOrder):
2007 return self.mesh.NbHexasOfOrder(elementOrder)
2009 ## Returns number of pyramids in mesh
2010 def NbPyramids(self):
2011 return self.mesh.NbPyramids()
2013 ## Returns number of pyramids with given order in mesh
2014 # @param elementOrder is order of elements:
2015 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
2016 def NbPyramidsOfOrder(self, elementOrder):
2017 return self.mesh.NbPyramidsOfOrder(elementOrder)
2019 ## Returns number of prisms in mesh
2021 return self.mesh.NbPrisms()
2023 ## Returns number of prisms with given order in mesh
2024 # @param elementOrder is order of elements:
2025 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
2026 def NbPrismsOfOrder(self, elementOrder):
2027 return self.mesh.NbPrismsOfOrder(elementOrder)
2029 ## Returns number of polyhedrons in mesh
2030 def NbPolyhedrons(self):
2031 return self.mesh.NbPolyhedrons()
2033 ## Returns number of submeshes in mesh
2034 def NbSubMesh(self):
2035 return self.mesh.NbSubMesh()
2037 ## Returns list of mesh elements ids
2038 def GetElementsId(self):
2039 return self.mesh.GetElementsId()
2041 ## Returns list of ids of mesh elements with given type
2042 # @param elementType is required type of elements
2043 def GetElementsByType(self, elementType):
2044 return self.mesh.GetElementsByType(elementType)
2046 ## Returns list of mesh nodes ids
2047 def GetNodesId(self):
2048 return self.mesh.GetNodesId()
2050 # Get informations about mesh elements:
2051 # ------------------------------------
2053 ## Returns type of mesh element
2054 def GetElementType(self, id, iselem):
2055 return self.mesh.GetElementType(id, iselem)
2057 ## Returns list of submesh elements ids
2058 # @param shapeID is geom object(subshape) IOR
2059 def GetSubMeshElementsId(self, shapeID):
2060 return self.mesh.GetSubMeshElementsId(shapeID)
2062 ## Returns list of submesh nodes ids
2063 # @param shapeID is geom object(subshape) IOR
2064 def GetSubMeshNodesId(self, shapeID, all):
2065 return self.mesh.GetSubMeshNodesId(shapeID, all)
2067 ## Returns list of ids of submesh elements with given type
2068 # @param shapeID is geom object(subshape) IOR
2069 def GetSubMeshElementType(self, shapeID):
2070 return self.mesh.GetSubMeshElementType(shapeID)
2072 ## Get mesh description
2074 return self.mesh.Dump()
2077 # Get information about nodes and elements of mesh by its ids:
2078 # -----------------------------------------------------------
2080 ## Get XYZ coordinates of node as list of double
2081 # \n If there is not node for given ID - returns empty list
2082 def GetNodeXYZ(self, id):
2083 return self.mesh.GetNodeXYZ(id)
2085 ## For given node returns list of IDs of inverse elements
2086 # \n If there is not node for given ID - returns empty list
2087 def GetNodeInverseElements(self, id):
2088 return self.mesh.GetNodeInverseElements(id)
2090 ## If given element is node returns IDs of shape from position
2091 # \n If there is not node for given ID - returns -1
2092 def GetShapeID(self, id):
2093 return self.mesh.GetShapeID(id)
2095 ## For given element returns ID of result shape after
2096 # FindShape() from SMESH_MeshEditor
2097 # \n If there is not element for given ID - returns -1
2098 def GetShapeIDForElem(self,id):
2099 return self.mesh.GetShapeIDForElem(id)
2101 ## Returns number of nodes for given element
2102 # \n If there is not element for given ID - returns -1
2103 def GetElemNbNodes(self, id):
2104 return self.mesh.GetElemNbNodes(id)
2106 ## Returns ID of node by given index for given element
2107 # \n If there is not element for given ID - returns -1
2108 # \n If there is not node for given index - returns -2
2109 def GetElemNode(self, id, index):
2110 return self.mesh.GetElemNode(id, index)
2112 ## Returns IDs of nodes of given element
2113 def GetElemNodes(self, id):
2114 return self.mesh.GetElemNodes(id)
2116 ## Returns true if given node is medium node
2117 # in given quadratic element
2118 def IsMediumNode(self, elementID, nodeID):
2119 return self.mesh.IsMediumNode(elementID, nodeID)
2121 ## Returns true if given node is medium node
2122 # in one of quadratic elements
2123 def IsMediumNodeOfAnyElem(self, nodeID, elementType):
2124 return self.mesh.IsMediumNodeOfAnyElem(nodeID, elementType)
2126 ## Returns number of edges for given element
2127 def ElemNbEdges(self, id):
2128 return self.mesh.ElemNbEdges(id)
2130 ## Returns number of faces for given element
2131 def ElemNbFaces(self, id):
2132 return self.mesh.ElemNbFaces(id)
2134 ## Returns true if given element is polygon
2135 def IsPoly(self, id):
2136 return self.mesh.IsPoly(id)
2138 ## Returns true if given element is quadratic
2139 def IsQuadratic(self, id):
2140 return self.mesh.IsQuadratic(id)
2142 ## Returns XYZ coordinates of bary center for given element
2144 # \n If there is not element for given ID - returns empty list
2145 def BaryCenter(self, id):
2146 return self.mesh.BaryCenter(id)
2149 # Mesh edition (SMESH_MeshEditor functionality):
2150 # ---------------------------------------------
2152 ## Removes elements from mesh by ids
2153 # @param IDsOfElements is list of ids of elements to remove
2154 def RemoveElements(self, IDsOfElements):
2155 return self.editor.RemoveElements(IDsOfElements)
2157 ## Removes nodes from mesh by ids
2158 # @param IDsOfNodes is list of ids of nodes to remove
2159 def RemoveNodes(self, IDsOfNodes):
2160 return self.editor.RemoveNodes(IDsOfNodes)
2162 ## Add node to mesh by coordinates
2163 def AddNode(self, x, y, z):
2164 return self.editor.AddNode( x, y, z)
2167 ## Create edge both similar and quadratic (this is determed
2168 # by number of given nodes).
2169 # @param IdsOfNodes List of node IDs for creation of element.
2170 # Needed order of nodes in this list corresponds to description
2171 # of MED. \n This description is located by the following link:
2172 # http://www.salome-platform.org/salome2/web_med_internet/logiciels/medV2.2.2_doc_html/html/modele_de_donnees.html#3.
2173 def AddEdge(self, IDsOfNodes):
2174 return self.editor.AddEdge(IDsOfNodes)
2176 ## Create face both similar and quadratic (this is determed
2177 # by number of given nodes).
2178 # @param IdsOfNodes List of node IDs for creation of element.
2179 # Needed order of nodes in this list corresponds to description
2180 # of MED. \n This description is located by the following link:
2181 # http://www.salome-platform.org/salome2/web_med_internet/logiciels/medV2.2.2_doc_html/html/modele_de_donnees.html#3.
2182 def AddFace(self, IDsOfNodes):
2183 return self.editor.AddFace(IDsOfNodes)
2185 ## Add polygonal face to mesh by list of nodes ids
2186 def AddPolygonalFace(self, IdsOfNodes):
2187 return self.editor.AddPolygonalFace(IdsOfNodes)
2189 ## Create volume both similar and quadratic (this is determed
2190 # by number of given nodes).
2191 # @param IdsOfNodes List of node IDs for creation of element.
2192 # Needed order of nodes in this list corresponds to description
2193 # of MED. \n This description is located by the following link:
2194 # http://www.salome-platform.org/salome2/web_med_internet/logiciels/medV2.2.2_doc_html/html/modele_de_donnees.html#3.
2195 def AddVolume(self, IDsOfNodes):
2196 return self.editor.AddVolume(IDsOfNodes)
2198 ## Create volume of many faces, giving nodes for each face.
2199 # @param IdsOfNodes List of node IDs for volume creation face by face.
2200 # @param Quantities List of integer values, Quantities[i]
2201 # gives quantity of nodes in face number i.
2202 def AddPolyhedralVolume (self, IdsOfNodes, Quantities):
2203 return self.editor.AddPolyhedralVolume(IdsOfNodes, Quantities)
2205 ## Create volume of many faces, giving IDs of existing faces.
2206 # @param IdsOfFaces List of face IDs for volume creation.
2208 # Note: The created volume will refer only to nodes
2209 # of the given faces, not to the faces itself.
2210 def AddPolyhedralVolumeByFaces (self, IdsOfFaces):
2211 return self.editor.AddPolyhedralVolumeByFaces(IdsOfFaces)
2213 ## Move node with given id
2214 # @param NodeID id of the node
2215 # @param x new X coordinate
2216 # @param y new Y coordinate
2217 # @param z new Z coordinate
2218 def MoveNode(self, NodeID, x, y, z):
2219 return self.editor.MoveNode(NodeID, x, y, z)
2221 ## Find a node closest to a point
2222 # @param x X coordinate of a point
2223 # @param y Y coordinate of a point
2224 # @param z Z coordinate of a point
2225 # @return id of a node
2226 def FindNodeClosestTo(self, x, y, z):
2227 preview = self.mesh.GetMeshEditPreviewer()
2228 return preview.MoveClosestNodeToPoint(x, y, z, -1)
2230 ## Find a node closest to a point and move it to a point location
2231 # @param x X coordinate of a point
2232 # @param y Y coordinate of a point
2233 # @param z Z coordinate of a point
2234 # @return id of a moved node
2235 def MeshToPassThroughAPoint(self, x, y, z):
2236 return self.editor.MoveClosestNodeToPoint(x, y, z, -1)
2238 ## Replace two neighbour triangles sharing Node1-Node2 link
2239 # with ones built on the same 4 nodes but having other common link.
2240 # @param NodeID1 first node id
2241 # @param NodeID2 second node id
2242 # @return false if proper faces not found
2243 def InverseDiag(self, NodeID1, NodeID2):
2244 return self.editor.InverseDiag(NodeID1, NodeID2)
2246 ## Replace two neighbour triangles sharing Node1-Node2 link
2247 # with a quadrangle built on the same 4 nodes.
2248 # @param NodeID1 first node id
2249 # @param NodeID2 second node id
2250 # @return false if proper faces not found
2251 def DeleteDiag(self, NodeID1, NodeID2):
2252 return self.editor.DeleteDiag(NodeID1, NodeID2)
2254 ## Reorient elements by ids
2255 # @param IDsOfElements if undefined reorient all mesh elements
2256 def Reorient(self, IDsOfElements=None):
2257 if IDsOfElements == None:
2258 IDsOfElements = self.GetElementsId()
2259 return self.editor.Reorient(IDsOfElements)
2261 ## Reorient all elements of the object
2262 # @param theObject is mesh, submesh or group
2263 def ReorientObject(self, theObject):
2264 return self.editor.ReorientObject(theObject)
2266 ## Fuse neighbour triangles into quadrangles.
2267 # @param IDsOfElements The triangles to be fused,
2268 # @param theCriterion is FT_...; used to choose a neighbour to fuse with.
2269 # @param MaxAngle is a max angle between element normals at which fusion
2270 # is still performed; theMaxAngle is mesured in radians.
2271 # @return TRUE in case of success, FALSE otherwise.
2272 def TriToQuad(self, IDsOfElements, theCriterion, MaxAngle):
2273 if IDsOfElements == []:
2274 IDsOfElements = self.GetElementsId()
2275 return self.editor.TriToQuad(IDsOfElements, self.smeshpyD.GetFunctor(theCriterion), MaxAngle)
2277 ## Fuse neighbour triangles of the object into quadrangles
2278 # @param theObject is mesh, submesh or group
2279 # @param theCriterion is FT_...; used to choose a neighbour to fuse with.
2280 # @param MaxAngle is a max angle between element normals at which fusion
2281 # is still performed; theMaxAngle is mesured in radians.
2282 # @return TRUE in case of success, FALSE otherwise.
2283 def TriToQuadObject (self, theObject, theCriterion, MaxAngle):
2284 return self.editor.TriToQuadObject(theObject, self.smeshpyD.GetFunctor(theCriterion), MaxAngle)
2286 ## Split quadrangles into triangles.
2287 # @param IDsOfElements the faces to be splitted.
2288 # @param theCriterion is FT_...; used to choose a diagonal for splitting.
2289 # @param @return TRUE in case of success, FALSE otherwise.
2290 def QuadToTri (self, IDsOfElements, theCriterion):
2291 if IDsOfElements == []:
2292 IDsOfElements = self.GetElementsId()
2293 return self.editor.QuadToTri(IDsOfElements, self.smeshpyD.GetFunctor(theCriterion))
2295 ## Split quadrangles into triangles.
2296 # @param theObject object to taking list of elements from, is mesh, submesh or group
2297 # @param theCriterion is FT_...; used to choose a diagonal for splitting.
2298 def QuadToTriObject (self, theObject, theCriterion):
2299 return self.editor.QuadToTriObject(theObject, self.smeshpyD.GetFunctor(theCriterion))
2301 ## Split quadrangles into triangles.
2302 # @param theElems The faces to be splitted
2303 # @param the13Diag is used to choose a diagonal for splitting.
2304 # @return TRUE in case of success, FALSE otherwise.
2305 def SplitQuad (self, IDsOfElements, Diag13):
2306 if IDsOfElements == []:
2307 IDsOfElements = self.GetElementsId()
2308 return self.editor.SplitQuad(IDsOfElements, Diag13)
2310 ## Split quadrangles into triangles.
2311 # @param theObject is object to taking list of elements from, is mesh, submesh or group
2312 def SplitQuadObject (self, theObject, Diag13):
2313 return self.editor.SplitQuadObject(theObject, Diag13)
2315 ## Find better splitting of the given quadrangle.
2316 # @param IDOfQuad ID of the quadrangle to be splitted.
2317 # @param theCriterion is FT_...; a criterion to choose a diagonal for splitting.
2318 # @return 1 if 1-3 diagonal is better, 2 if 2-4
2319 # diagonal is better, 0 if error occurs.
2320 def BestSplit (self, IDOfQuad, theCriterion):
2321 return self.editor.BestSplit(IDOfQuad, self.smeshpyD.GetFunctor(theCriterion))
2323 ## Split quafrangle faces near triangular facets of volumes
2325 def SplitQuadsNearTriangularFacets(self):
2326 faces_array = self.GetElementsByType(SMESH.FACE)
2327 for face_id in faces_array:
2328 if self.GetElemNbNodes(face_id) == 4: # quadrangle
2329 quad_nodes = self.mesh.GetElemNodes(face_id)
2330 node1_elems = self.GetNodeInverseElements(quad_nodes[1 -1])
2331 isVolumeFound = False
2332 for node1_elem in node1_elems:
2333 if not isVolumeFound:
2334 if self.GetElementType(node1_elem, True) == SMESH.VOLUME:
2335 nb_nodes = self.GetElemNbNodes(node1_elem)
2336 if 3 < nb_nodes and nb_nodes < 7: # tetra or penta, or prism
2337 volume_elem = node1_elem
2338 volume_nodes = self.mesh.GetElemNodes(volume_elem)
2339 if volume_nodes.count(quad_nodes[2 -1]) > 0: # 1,2
2340 if volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,2,4
2341 isVolumeFound = True
2342 if volume_nodes.count(quad_nodes[3 -1]) == 0: # 1,2,4 & !3
2343 self.SplitQuad([face_id], False) # diagonal 2-4
2344 elif volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,2,3 & !4
2345 isVolumeFound = True
2346 self.SplitQuad([face_id], True) # diagonal 1-3
2347 elif volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,4 & !2
2348 if volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,4,3 & !2
2349 isVolumeFound = True
2350 self.SplitQuad([face_id], True) # diagonal 1-3
2352 ## @brief Split hexahedrons into tetrahedrons.
2354 # Use pattern mapping functionality for splitting.
2355 # @param theObject object to take list of hexahedrons from; is mesh, submesh or group.
2356 # @param theNode000,theNode001 is in range [0,7]; give an orientation of the
2357 # pattern relatively each hexahedron: the (0,0,0) key-point of pattern
2358 # will be mapped into <theNode000>-th node of each volume, the (0,0,1)
2359 # key-point will be mapped into <theNode001>-th node of each volume.
2360 # The (0,0,0) key-point of used pattern corresponds to not split corner.
2361 # @return TRUE in case of success, FALSE otherwise.
2362 def SplitHexaToTetras (self, theObject, theNode000, theNode001):
2363 # Pattern: 5.---------.6
2368 # (0,0,1) 4.---------.7 * |
2375 # (0,0,0) 0.---------.3
2376 pattern_tetra = "!!! Nb of points: \n 8 \n\
2386 !!! Indices of points of 6 tetras: \n\
2394 pattern = self.smeshpyD.GetPattern()
2395 isDone = pattern.LoadFromFile(pattern_tetra)
2397 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
2400 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
2401 isDone = pattern.MakeMesh(self.mesh, False, False)
2402 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
2404 # split quafrangle faces near triangular facets of volumes
2405 self.SplitQuadsNearTriangularFacets()
2409 ## @brief Split hexahedrons into prisms.
2411 # Use pattern mapping functionality for splitting.
2412 # @param theObject object to take list of hexahedrons from; is mesh, submesh or group.
2413 # @param theNode000,theNode001 is in range [0,7]; give an orientation of the
2414 # pattern relatively each hexahedron: the (0,0,0) key-point of pattern
2415 # will be mapped into <theNode000>-th node of each volume, the (0,0,1)
2416 # key-point will be mapped into <theNode001>-th node of each volume.
2417 # The edge (0,0,0)-(0,0,1) of used pattern connects two not split corners.
2418 # @return TRUE in case of success, FALSE otherwise.
2419 def SplitHexaToPrisms (self, theObject, theNode000, theNode001):
2420 # Pattern: 5.---------.6
2425 # (0,0,1) 4.---------.7 |
2432 # (0,0,0) 0.---------.3
2433 pattern_prism = "!!! Nb of points: \n 8 \n\
2443 !!! Indices of points of 2 prisms: \n\
2447 pattern = self.smeshpyD.GetPattern()
2448 isDone = pattern.LoadFromFile(pattern_prism)
2450 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
2453 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
2454 isDone = pattern.MakeMesh(self.mesh, False, False)
2455 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
2457 # split quafrangle faces near triangular facets of volumes
2458 self.SplitQuadsNearTriangularFacets()
2463 # @param IDsOfElements list if ids of elements to smooth
2464 # @param IDsOfFixedNodes list of ids of fixed nodes.
2465 # Note that nodes built on edges and boundary nodes are always fixed.
2466 # @param MaxNbOfIterations maximum number of iterations
2467 # @param MaxAspectRatio varies in range [1.0, inf]
2468 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2469 def Smooth(self, IDsOfElements, IDsOfFixedNodes,
2470 MaxNbOfIterations, MaxAspectRatio, Method):
2471 if IDsOfElements == []:
2472 IDsOfElements = self.GetElementsId()
2473 return self.editor.Smooth(IDsOfElements, IDsOfFixedNodes,
2474 MaxNbOfIterations, MaxAspectRatio, Method)
2476 ## Smooth elements belong to given object
2477 # @param theObject object to smooth
2478 # @param IDsOfFixedNodes list of ids of fixed nodes.
2479 # Note that nodes built on edges and boundary nodes are always fixed.
2480 # @param MaxNbOfIterations maximum number of iterations
2481 # @param MaxAspectRatio varies in range [1.0, inf]
2482 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2483 def SmoothObject(self, theObject, IDsOfFixedNodes,
2484 MaxNbOfIterations, MaxxAspectRatio, Method):
2485 return self.editor.SmoothObject(theObject, IDsOfFixedNodes,
2486 MaxNbOfIterations, MaxxAspectRatio, Method)
2488 ## Parametric smooth the given elements
2489 # @param IDsOfElements list if ids of elements to smooth
2490 # @param IDsOfFixedNodes list of ids of fixed nodes.
2491 # Note that nodes built on edges and boundary nodes are always fixed.
2492 # @param MaxNbOfIterations maximum number of iterations
2493 # @param MaxAspectRatio varies in range [1.0, inf]
2494 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2495 def SmoothParametric(self, IDsOfElements, IDsOfFixedNodes,
2496 MaxNbOfIterations, MaxAspectRatio, Method):
2497 if IDsOfElements == []:
2498 IDsOfElements = self.GetElementsId()
2499 return self.editor.SmoothParametric(IDsOfElements, IDsOfFixedNodes,
2500 MaxNbOfIterations, MaxAspectRatio, Method)
2502 ## Parametric smooth elements belong to given object
2503 # @param theObject object to smooth
2504 # @param IDsOfFixedNodes list of ids of fixed nodes.
2505 # Note that nodes built on edges and boundary nodes are always fixed.
2506 # @param MaxNbOfIterations maximum number of iterations
2507 # @param MaxAspectRatio varies in range [1.0, inf]
2508 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2509 def SmoothParametricObject(self, theObject, IDsOfFixedNodes,
2510 MaxNbOfIterations, MaxAspectRatio, Method):
2511 return self.editor.SmoothParametricObject(theObject, IDsOfFixedNodes,
2512 MaxNbOfIterations, MaxAspectRatio, Method)
2514 ## Converts all mesh to quadratic one, deletes old elements, replacing
2515 # them with quadratic ones with the same id.
2516 def ConvertToQuadratic(self, theForce3d):
2517 self.editor.ConvertToQuadratic(theForce3d)
2519 ## Converts all mesh from quadratic to ordinary ones,
2520 # deletes old quadratic elements, \n replacing
2521 # them with ordinary mesh elements with the same id.
2522 def ConvertFromQuadratic(self):
2523 return self.editor.ConvertFromQuadratic()
2525 ## Renumber mesh nodes
2526 def RenumberNodes(self):
2527 self.editor.RenumberNodes()
2529 ## Renumber mesh elements
2530 def RenumberElements(self):
2531 self.editor.RenumberElements()
2533 ## Generate new elements by rotation of the elements around the axis
2534 # @param IDsOfElements list of ids of elements to sweep
2535 # @param Axix axis of rotation, AxisStruct or line(geom object)
2536 # @param AngleInRadians angle of Rotation
2537 # @param NbOfSteps number of steps
2538 # @param Tolerance tolerance
2539 def RotationSweep(self, IDsOfElements, Axix, AngleInRadians, NbOfSteps, Tolerance):
2540 if IDsOfElements == []:
2541 IDsOfElements = self.GetElementsId()
2542 if ( isinstance( Axix, geompyDC.GEOM._objref_GEOM_Object)):
2543 Axix = self.smeshpyD.GetAxisStruct(Axix)
2544 self.editor.RotationSweep(IDsOfElements, Axix, AngleInRadians, NbOfSteps, Tolerance)
2546 ## Generate new elements by rotation of the elements of object around the axis
2547 # @param theObject object wich elements should be sweeped
2548 # @param Axix axis of rotation, AxisStruct or line(geom object)
2549 # @param AngleInRadians angle of Rotation
2550 # @param NbOfSteps number of steps
2551 # @param Tolerance tolerance
2552 def RotationSweepObject(self, theObject, Axix, AngleInRadians, NbOfSteps, Tolerance):
2553 if ( isinstance( Axix, geompyDC.GEOM._objref_GEOM_Object)):
2554 Axix = self.smeshpyD.GetAxisStruct(Axix)
2555 self.editor.RotationSweepObject(theObject, Axix, AngleInRadians, NbOfSteps, Tolerance)
2557 ## Generate new elements by extrusion of the elements with given ids
2558 # @param IDsOfElements list of elements ids for extrusion
2559 # @param StepVector vector, defining the direction and value of extrusion
2560 # @param NbOfSteps the number of steps
2561 def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps):
2562 if IDsOfElements == []:
2563 IDsOfElements = self.GetElementsId()
2564 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2565 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2566 self.editor.ExtrusionSweep(IDsOfElements, StepVector, NbOfSteps)
2568 ## Generate new elements by extrusion of the elements with given ids
2569 # @param IDsOfElements is ids of elements
2570 # @param StepVector vector, defining the direction and value of extrusion
2571 # @param NbOfSteps the number of steps
2572 # @param ExtrFlags set flags for performing extrusion
2573 # @param SewTolerance uses for comparing locations of nodes if flag
2574 # EXTRUSION_FLAG_SEW is set
2575 def AdvancedExtrusion(self, IDsOfElements, StepVector, NbOfSteps, ExtrFlags, SewTolerance):
2576 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2577 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2578 self.editor.AdvancedExtrusion(IDsOfElements, StepVector, NbOfSteps, ExtrFlags, SewTolerance)
2580 ## Generate new elements by extrusion of the elements belong to object
2581 # @param theObject object wich elements should be processed
2582 # @param StepVector vector, defining the direction and value of extrusion
2583 # @param NbOfSteps the number of steps
2584 def ExtrusionSweepObject(self, theObject, StepVector, NbOfSteps):
2585 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2586 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2587 self.editor.ExtrusionSweepObject(theObject, StepVector, NbOfSteps)
2589 ## Generate new elements by extrusion of the elements belong to object
2590 # @param theObject object wich elements should be processed
2591 # @param StepVector vector, defining the direction and value of extrusion
2592 # @param NbOfSteps the number of steps
2593 def ExtrusionSweepObject1D(self, theObject, StepVector, NbOfSteps):
2594 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2595 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2596 self.editor.ExtrusionSweepObject1D(theObject, StepVector, NbOfSteps)
2598 ## Generate new elements by extrusion of the elements belong to object
2599 # @param theObject object wich elements should be processed
2600 # @param StepVector vector, defining the direction and value of extrusion
2601 # @param NbOfSteps the number of steps
2602 def ExtrusionSweepObject2D(self, theObject, StepVector, NbOfSteps):
2603 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2604 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2605 self.editor.ExtrusionSweepObject2D(theObject, StepVector, NbOfSteps)
2607 ## Generate new elements by extrusion of the given elements
2608 # A path of extrusion must be a meshed edge.
2609 # @param IDsOfElements is ids of elements
2610 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
2611 # @param PathShape is shape(edge); as the mesh can be complex, the edge is used to define the sub-mesh for the path
2612 # @param NodeStart the first or the last node on the edge. It is used to define the direction of extrusion
2613 # @param HasAngles allows the shape to be rotated around the path to get the resulting mesh in a helical fashion
2614 # @param Angles list of angles
2615 # @param HasRefPoint allows to use base point
2616 # @param RefPoint point around which the shape is rotated(the mass center of the shape by default).
2617 # User can specify any point as the Base Point and the shape will be rotated with respect to this point.
2618 # @param LinearVariation makes compute rotation angles as linear variation of given Angles along path steps
2619 def ExtrusionAlongPath(self, IDsOfElements, PathMesh, PathShape, NodeStart,
2620 HasAngles, Angles, HasRefPoint, RefPoint, LinearVariation=False):
2621 if IDsOfElements == []:
2622 IDsOfElements = self.GetElementsId()
2623 if ( isinstance( RefPoint, geompyDC.GEOM._objref_GEOM_Object)):
2624 RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
2626 return self.editor.ExtrusionAlongPath(IDsOfElements, PathMesh.GetMesh(), PathShape, NodeStart,
2627 HasAngles, Angles, HasRefPoint, RefPoint)
2629 ## Generate new elements by extrusion of the elements belong to object
2630 # A path of extrusion must be a meshed edge.
2631 # @param IDsOfElements is ids of elements
2632 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
2633 # @param PathShape is shape(edge); as the mesh can be complex, the edge is used to define the sub-mesh for the path
2634 # @param NodeStart the first or the last node on the edge. It is used to define the direction of extrusion
2635 # @param HasAngles allows the shape to be rotated around the path to get the resulting mesh in a helical fashion
2636 # @param Angles list of angles
2637 # @param HasRefPoint allows to use base point
2638 # @param RefPoint point around which the shape is rotated(the mass center of the shape by default).
2639 # User can specify any point as the Base Point and the shape will be rotated with respect to this point.
2640 # @param LinearVariation makes compute rotation angles as linear variation of given Angles along path steps
2641 def ExtrusionAlongPathObject(self, theObject, PathMesh, PathShape, NodeStart,
2642 HasAngles, Angles, HasRefPoint, RefPoint, LinearVariation=False):
2643 if ( isinstance( RefPoint, geompyDC.GEOM._objref_GEOM_Object)):
2644 RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
2645 return self.editor.ExtrusionAlongPathObject(theObject, PathMesh.GetMesh(), PathShape, NodeStart,
2646 HasAngles, Angles, HasRefPoint, RefPoint, LinearVariation)
2648 ## Symmetrical copy of mesh elements
2649 # @param IDsOfElements list of elements ids
2650 # @param Mirror is AxisStruct or geom object(point, line, plane)
2651 # @param theMirrorType is POINT, AXIS or PLANE
2652 # If the Mirror is geom object this parameter is unnecessary
2653 # @param Copy allows to copy element(Copy is 1) or to replace with its mirroring(Copy is 0)
2654 def Mirror(self, IDsOfElements, Mirror, theMirrorType, Copy=0):
2655 if IDsOfElements == []:
2656 IDsOfElements = self.GetElementsId()
2657 if ( isinstance( Mirror, geompyDC.GEOM._objref_GEOM_Object)):
2658 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
2659 self.editor.Mirror(IDsOfElements, Mirror, theMirrorType, Copy)
2661 ## Symmetrical copy of object
2662 # @param theObject mesh, submesh or group
2663 # @param Mirror is AxisStruct or geom object(point, line, plane)
2664 # @param theMirrorType is POINT, AXIS or PLANE
2665 # If the Mirror is geom object this parameter is unnecessary
2666 # @param Copy allows to copy element(Copy is 1) or to replace with its mirroring(Copy is 0)
2667 def MirrorObject (self, theObject, Mirror, theMirrorType, Copy=0):
2668 if ( isinstance( Mirror, geompyDC.GEOM._objref_GEOM_Object)):
2669 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
2670 self.editor.MirrorObject(theObject, Mirror, theMirrorType, Copy)
2672 ## Translates the elements
2673 # @param IDsOfElements list of elements ids
2674 # @param Vector direction of translation(DirStruct or vector)
2675 # @param Copy allows to copy the translated elements
2676 def Translate(self, IDsOfElements, Vector, Copy):
2677 if IDsOfElements == []:
2678 IDsOfElements = self.GetElementsId()
2679 if ( isinstance( Vector, geompyDC.GEOM._objref_GEOM_Object)):
2680 Vector = self.smeshpyD.GetDirStruct(Vector)
2681 self.editor.Translate(IDsOfElements, Vector, Copy)
2683 ## Translates the object
2684 # @param theObject object to translate(mesh, submesh, or group)
2685 # @param Vector direction of translation(DirStruct or geom vector)
2686 # @param Copy allows to copy the translated elements
2687 def TranslateObject(self, theObject, Vector, Copy):
2688 if ( isinstance( Vector, geompyDC.GEOM._objref_GEOM_Object)):
2689 Vector = self.smeshpyD.GetDirStruct(Vector)
2690 self.editor.TranslateObject(theObject, Vector, Copy)
2692 ## Rotates the elements
2693 # @param IDsOfElements list of elements ids
2694 # @param Axis axis of rotation(AxisStruct or geom line)
2695 # @param AngleInRadians angle of rotation(in radians)
2696 # @param Copy allows to copy the rotated elements
2697 def Rotate (self, IDsOfElements, Axis, AngleInRadians, Copy):
2698 if IDsOfElements == []:
2699 IDsOfElements = self.GetElementsId()
2700 if ( isinstance( Axis, geompyDC.GEOM._objref_GEOM_Object)):
2701 Axis = self.smeshpyD.GetAxisStruct(Axis)
2702 self.editor.Rotate(IDsOfElements, Axis, AngleInRadians, Copy)
2704 ## Rotates the object
2705 # @param theObject object to rotate(mesh, submesh, or group)
2706 # @param Axis axis of rotation(AxisStruct or geom line)
2707 # @param AngleInRadians angle of rotation(in radians)
2708 # @param Copy allows to copy the rotated elements
2709 def RotateObject (self, theObject, Axis, AngleInRadians, Copy):
2710 self.editor.RotateObject(theObject, Axis, AngleInRadians, Copy)
2712 ## Find group of nodes close to each other within Tolerance.
2713 # @param Tolerance tolerance value
2714 # @param list of group of nodes
2715 def FindCoincidentNodes (self, Tolerance):
2716 return self.editor.FindCoincidentNodes(Tolerance)
2718 ## Find group of nodes close to each other within Tolerance.
2719 # @param Tolerance tolerance value
2720 # @param SubMeshOrGroup SubMesh or Group
2721 # @param list of group of nodes
2722 def FindCoincidentNodesOnPart (self, SubMeshOrGroup, Tolerance):
2723 return self.editor.FindCoincidentNodesOnPart(SubMeshOrGroup, Tolerance)
2726 # @param list of group of nodes
2727 def MergeNodes (self, GroupsOfNodes):
2728 self.editor.MergeNodes(GroupsOfNodes)
2730 ## Find elements built on the same nodes.
2731 # @param MeshOrSubMeshOrGroup Mesh or SubMesh, or Group of elements for searching
2732 # @return a list of groups of equal elements
2733 def FindEqualElements (self, MeshOrSubMeshOrGroup):
2734 return self.editor.FindEqualElements(MeshOrSubMeshOrGroup)
2736 ## Merge elements in each given group.
2737 # @param GroupsOfElementsID groups of elements for merging
2738 def MergeElements(self, GroupsOfElementsID):
2739 self.editor.MergeElements(GroupsOfElementsID)
2741 ## Remove all but one of elements built on the same nodes.
2742 def MergeEqualElements(self):
2743 self.editor.MergeEqualElements()
2746 def SewFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
2747 FirstNodeID2, SecondNodeID2, LastNodeID2,
2748 CreatePolygons, CreatePolyedrs):
2749 return self.editor.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
2750 FirstNodeID2, SecondNodeID2, LastNodeID2,
2751 CreatePolygons, CreatePolyedrs)
2753 ## Sew conform free borders
2754 def SewConformFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
2755 FirstNodeID2, SecondNodeID2):
2756 return self.editor.SewConformFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
2757 FirstNodeID2, SecondNodeID2)
2759 ## Sew border to side
2760 def SewBorderToSide (self, FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
2761 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs):
2762 return self.editor.SewBorderToSide(FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
2763 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs)
2765 ## Sew two sides of a mesh. Nodes belonging to Side1 are
2766 # merged with nodes of elements of Side2.
2767 # Number of elements in theSide1 and in theSide2 must be
2768 # equal and they should have similar node connectivity.
2769 # The nodes to merge should belong to sides borders and
2770 # the first node should be linked to the second.
2771 def SewSideElements (self, IDsOfSide1Elements, IDsOfSide2Elements,
2772 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
2773 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge):
2774 return self.editor.SewSideElements(IDsOfSide1Elements, IDsOfSide2Elements,
2775 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
2776 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge)
2778 ## Set new nodes for given element.
2779 # @param ide the element id
2780 # @param newIDs nodes ids
2781 # @return If number of nodes is not corresponded to type of element - returns false
2782 def ChangeElemNodes(self, ide, newIDs):
2783 return self.editor.ChangeElemNodes(ide, newIDs)
2785 ## If during last operation of MeshEditor some nodes were
2786 # created this method returns list of it's IDs, \n
2787 # if new nodes not created - returns empty list
2788 def GetLastCreatedNodes(self):
2789 return self.editor.GetLastCreatedNodes()
2791 ## If during last operation of MeshEditor some elements were
2792 # created this method returns list of it's IDs, \n
2793 # if new elements not creared - returns empty list
2794 def GetLastCreatedElems(self):
2795 return self.editor.GetLastCreatedElems()