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
29 ## @defgroup l1_auxiliary Auxiliary methods and structures
30 ## @defgroup l1_creating Creating meshes
32 ## @defgroup l2_impexp Importing and exporting meshes
33 ## @defgroup l2_construct Constructing meshes
34 ## @defgroup l2_algorithms Defining Algorithms
36 ## @defgroup l3_algos_basic Basic meshing algorithms
37 ## @defgroup l3_algos_proj Projection Algorithms
38 ## @defgroup l3_algos_radialp Radial Prism
39 ## @defgroup l3_algos_segmarv Segments around Vertex
40 ## @defgroup l3_algos_3dextr 3D extrusion meshing algorithm
43 ## @defgroup l2_hypotheses Defining hypotheses
45 ## @defgroup l3_hypos_1dhyps 1D Meshing Hypotheses
46 ## @defgroup l3_hypos_2dhyps 2D Meshing Hypotheses
47 ## @defgroup l3_hypos_maxvol Max Element Volume hypothesis
48 ## @defgroup l3_hypos_netgen Netgen 2D and 3D hypotheses
49 ## @defgroup l3_hypos_ghs3dh GHS3D Parameters hypothesis
50 ## @defgroup l3_hypos_blsurf BLSURF Parameters hypothesis
51 ## @defgroup l3_hypos_hexotic Hexotic Parameters hypothesis
52 ## @defgroup l3_hypos_additi Additional Hypotheses
55 ## @defgroup l2_submeshes Constructing submeshes
56 ## @defgroup l2_compounds Building Compounds
57 ## @defgroup l2_editing Editing Meshes
60 ## @defgroup l1_meshinfo Mesh Information
61 ## @defgroup l1_controls Quality controls and Filtering
62 ## @defgroup l1_grouping Grouping elements
64 ## @defgroup l2_grps_create Creating groups
65 ## @defgroup l2_grps_edit Editing groups
66 ## @defgroup l2_grps_operon Using operations on groups
67 ## @defgroup l2_grps_delete Deleting Groups
70 ## @defgroup l1_modifying Modifying meshes
72 ## @defgroup l2_modif_add Adding nodes and elements
73 ## @defgroup l2_modif_del Removing nodes and elements
74 ## @defgroup l2_modif_edit Modifying nodes and elements
75 ## @defgroup l2_modif_renumber Renumbering nodes and elements
76 ## @defgroup l2_modif_trsf Transforming meshes (Translation, Rotation, Symmetry, Sewing, Merging)
77 ## @defgroup l2_modif_movenode Moving nodes
78 ## @defgroup l2_modif_throughp Mesh through point
79 ## @defgroup l2_modif_invdiag Diagonal inversion of elements
80 ## @defgroup l2_modif_unitetri Uniting triangles
81 ## @defgroup l2_modif_changori Changing orientation of elements
82 ## @defgroup l2_modif_cutquadr Cutting quadrangles
83 ## @defgroup l2_modif_smooth Smoothing
84 ## @defgroup l2_modif_extrurev Extrusion and Revolution
85 ## @defgroup l2_modif_patterns Pattern mapping
86 ## @defgroup l2_modif_tofromqu Convert to/from Quadratic Mesh
93 import SMESH # This is necessary for back compatibility
100 # import NETGENPlugin module if possible
108 ## @addtogroup l1_auxiliary
111 # Types of algorithms
122 NETGEN_1D2D3D = FULL_NETGEN
123 NETGEN_FULL = FULL_NETGEN
128 # MirrorType enumeration
129 POINT = SMESH_MeshEditor.POINT
130 AXIS = SMESH_MeshEditor.AXIS
131 PLANE = SMESH_MeshEditor.PLANE
133 # Smooth_Method enumeration
134 LAPLACIAN_SMOOTH = SMESH_MeshEditor.LAPLACIAN_SMOOTH
135 CENTROIDAL_SMOOTH = SMESH_MeshEditor.CENTROIDAL_SMOOTH
137 # Fineness enumeration (for NETGEN)
145 # Optimization level of GHS3D
146 None_Optimization, Light_Optimization, Medium_Optimization, Strong_Optimization = 0,1,2,3
148 # Topology treatment way of BLSURF
149 FromCAD, PreProcess, PreProcessPlus = 0,1,2
151 # Element size flag of BLSURF
152 DefaultSize, DefaultGeom, Custom = 0,0,1
154 PrecisionConfusion = 1e-07
156 def IsEqual(val1, val2, tol=PrecisionConfusion):
157 if abs(val1 - val2) < tol:
165 ior = salome.orb.object_to_string(obj)
166 sobj = salome.myStudy.FindObjectIOR(ior)
170 attr = sobj.FindAttribute("AttributeName")[1]
173 ## Sets a name to the object
174 def SetName(obj, name):
175 ior = salome.orb.object_to_string(obj)
176 sobj = salome.myStudy.FindObjectIOR(ior)
178 attr = sobj.FindAttribute("AttributeName")[1]
181 ## Prints error message if a hypothesis was not assigned.
182 def TreatHypoStatus(status, hypName, geomName, isAlgo):
184 hypType = "algorithm"
186 hypType = "hypothesis"
188 if status == HYP_UNKNOWN_FATAL :
189 reason = "for unknown reason"
190 elif status == HYP_INCOMPATIBLE :
191 reason = "this hypothesis mismatches the algorithm"
192 elif status == HYP_NOTCONFORM :
193 reason = "a non-conform mesh would be built"
194 elif status == HYP_ALREADY_EXIST :
195 reason = hypType + " of the same dimension is already assigned to this shape"
196 elif status == HYP_BAD_DIM :
197 reason = hypType + " mismatches the shape"
198 elif status == HYP_CONCURENT :
199 reason = "there are concurrent hypotheses on sub-shapes"
200 elif status == HYP_BAD_SUBSHAPE :
201 reason = "the shape is neither the main one, nor its subshape, nor a valid group"
202 elif status == HYP_BAD_GEOMETRY:
203 reason = "geometry mismatches the expectation of the algorithm"
204 elif status == HYP_HIDDEN_ALGO:
205 reason = "it is hidden by an algorithm of an upper dimension, which generates elements of all dimensions"
206 elif status == HYP_HIDING_ALGO:
207 reason = "it hides algorithms of lower dimensions by generating elements of all dimensions"
210 hypName = '"' + hypName + '"'
211 geomName= '"' + geomName+ '"'
212 if status < HYP_UNKNOWN_FATAL:
213 print hypName, "was assigned to", geomName,"but", reason
215 print hypName, "was not assigned to",geomName,":", reason
218 ## Converts an angle from degrees to radians
219 def DegreesToRadians(AngleInDegrees):
221 return AngleInDegrees * pi / 180.0
223 # end of l1_auxiliary
226 # All methods of this class are accessible directly from the smesh.py package.
227 class smeshDC(SMESH._objref_SMESH_Gen):
229 ## Sets the current study and Geometry component
230 # @ingroup l1_auxiliary
231 def init_smesh(self,theStudy,geompyD):
233 self.SetGeomEngine(geompyD)
234 self.SetCurrentStudy(theStudy)
236 ## Creates an empty Mesh. This mesh can have an underlying geometry.
237 # @param obj the Geometrical object on which the mesh is built. If not defined,
238 # the mesh will have no underlying geometry.
239 # @param name the name for the new mesh.
240 # @return an instance of Mesh class.
241 # @ingroup l2_construct
242 def Mesh(self, obj=0, name=0):
243 return Mesh(self,self.geompyD,obj,name)
245 ## Returns a long value from enumeration
246 # Should be used for SMESH.FunctorType enumeration
247 # @ingroup l1_controls
248 def EnumToLong(self,theItem):
251 ## Gets PointStruct from vertex
252 # @param theVertex a GEOM object(vertex)
253 # @return SMESH.PointStruct
254 # @ingroup l1_auxiliary
255 def GetPointStruct(self,theVertex):
256 [x, y, z] = self.geompyD.PointCoordinates(theVertex)
257 return PointStruct(x,y,z)
259 ## Gets DirStruct from vector
260 # @param theVector a GEOM object(vector)
261 # @return SMESH.DirStruct
262 # @ingroup l1_auxiliary
263 def GetDirStruct(self,theVector):
264 vertices = self.geompyD.SubShapeAll( theVector, geompyDC.ShapeType["VERTEX"] )
265 if(len(vertices) != 2):
266 print "Error: vector object is incorrect."
268 p1 = self.geompyD.PointCoordinates(vertices[0])
269 p2 = self.geompyD.PointCoordinates(vertices[1])
270 pnt = PointStruct(p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
271 dirst = DirStruct(pnt)
274 ## Makes DirStruct from a triplet
275 # @param x,y,z vector components
276 # @return SMESH.DirStruct
277 # @ingroup l1_auxiliary
278 def MakeDirStruct(self,x,y,z):
279 pnt = PointStruct(x,y,z)
280 return DirStruct(pnt)
282 ## Get AxisStruct from object
283 # @param theObj a GEOM object (line or plane)
284 # @return SMESH.AxisStruct
285 # @ingroup l1_auxiliary
286 def GetAxisStruct(self,theObj):
287 edges = self.geompyD.SubShapeAll( theObj, geompyDC.ShapeType["EDGE"] )
289 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geompyDC.ShapeType["VERTEX"] )
290 vertex3, vertex4 = self.geompyD.SubShapeAll( edges[1], geompyDC.ShapeType["VERTEX"] )
291 vertex1 = self.geompyD.PointCoordinates(vertex1)
292 vertex2 = self.geompyD.PointCoordinates(vertex2)
293 vertex3 = self.geompyD.PointCoordinates(vertex3)
294 vertex4 = self.geompyD.PointCoordinates(vertex4)
295 v1 = [vertex2[0]-vertex1[0], vertex2[1]-vertex1[1], vertex2[2]-vertex1[2]]
296 v2 = [vertex4[0]-vertex3[0], vertex4[1]-vertex3[1], vertex4[2]-vertex3[2]]
297 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] ]
298 axis = AxisStruct(vertex1[0], vertex1[1], vertex1[2], normal[0], normal[1], normal[2])
300 elif len(edges) == 1:
301 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geompyDC.ShapeType["VERTEX"] )
302 p1 = self.geompyD.PointCoordinates( vertex1 )
303 p2 = self.geompyD.PointCoordinates( vertex2 )
304 axis = AxisStruct(p1[0], p1[1], p1[2], p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
308 # From SMESH_Gen interface:
309 # ------------------------
311 ## Sets the current mode
312 # @ingroup l1_auxiliary
313 def SetEmbeddedMode( self,theMode ):
314 #self.SetEmbeddedMode(theMode)
315 SMESH._objref_SMESH_Gen.SetEmbeddedMode(self,theMode)
317 ## Gets the current mode
318 # @ingroup l1_auxiliary
319 def IsEmbeddedMode(self):
320 #return self.IsEmbeddedMode()
321 return SMESH._objref_SMESH_Gen.IsEmbeddedMode(self)
323 ## Sets the current study
324 # @ingroup l1_auxiliary
325 def SetCurrentStudy( self, theStudy ):
326 #self.SetCurrentStudy(theStudy)
327 SMESH._objref_SMESH_Gen.SetCurrentStudy(self,theStudy)
329 ## Gets the current study
330 # @ingroup l1_auxiliary
331 def GetCurrentStudy(self):
332 #return self.GetCurrentStudy()
333 return SMESH._objref_SMESH_Gen.GetCurrentStudy(self)
335 ## Creates a Mesh object importing data from the given UNV file
336 # @return an instance of Mesh class
338 def CreateMeshesFromUNV( self,theFileName ):
339 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromUNV(self,theFileName)
340 aMesh = Mesh(self, self.geompyD, aSmeshMesh)
343 ## Creates a Mesh object(s) importing data from the given MED file
344 # @return a list of Mesh class instances
346 def CreateMeshesFromMED( self,theFileName ):
347 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromMED(self,theFileName)
349 for iMesh in range(len(aSmeshMeshes)) :
350 aMesh = Mesh(self, self.geompyD, aSmeshMeshes[iMesh])
351 aMeshes.append(aMesh)
352 return aMeshes, aStatus
354 ## Creates a Mesh object importing data from the given STL file
355 # @return an instance of Mesh class
357 def CreateMeshesFromSTL( self, theFileName ):
358 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromSTL(self,theFileName)
359 aMesh = Mesh(self, self.geompyD, aSmeshMesh)
362 ## From SMESH_Gen interface
363 # @return the list of integer values
364 # @ingroup l1_auxiliary
365 def GetSubShapesId( self, theMainObject, theListOfSubObjects ):
366 return SMESH._objref_SMESH_Gen.GetSubShapesId(self,theMainObject, theListOfSubObjects)
368 ## From SMESH_Gen interface. Creates a pattern
369 # @return an instance of SMESH_Pattern
371 # <a href="../tui_modifying_meshes_page.html#tui_pattern_mapping">Example of Patterns usage</a>
372 # @ingroup l2_modif_patterns
373 def GetPattern(self):
374 return SMESH._objref_SMESH_Gen.GetPattern(self)
377 # Filtering. Auxiliary functions:
378 # ------------------------------
380 ## Creates an empty criterion
381 # @return SMESH.Filter.Criterion
382 # @ingroup l1_controls
383 def GetEmptyCriterion(self):
384 Type = self.EnumToLong(FT_Undefined)
385 Compare = self.EnumToLong(FT_Undefined)
389 UnaryOp = self.EnumToLong(FT_Undefined)
390 BinaryOp = self.EnumToLong(FT_Undefined)
393 Precision = -1 ##@1e-07
394 return Filter.Criterion(Type, Compare, Threshold, ThresholdStr, ThresholdID,
395 UnaryOp, BinaryOp, Tolerance, TypeOfElement, Precision)
397 ## Creates a criterion by the given parameters
398 # @param elementType the type of elements(NODE, EDGE, FACE, VOLUME)
399 # @param CritType the type of criterion (FT_Taper, FT_Area, FT_RangeOfIds, FT_LyingOnGeom etc.)
400 # @param Compare belongs to {FT_LessThan, FT_MoreThan, FT_EqualTo}
401 # @param Treshold the threshold value (range of ids as string, shape, numeric)
402 # @param UnaryOp FT_LogicalNOT or FT_Undefined
403 # @param BinaryOp a binary logical operation FT_LogicalAND, FT_LogicalOR or
404 # FT_Undefined (must be for the last criterion of all criteria)
405 # @return SMESH.Filter.Criterion
406 # @ingroup l1_controls
407 def GetCriterion(self,elementType,
409 Compare = FT_EqualTo,
411 UnaryOp=FT_Undefined,
412 BinaryOp=FT_Undefined):
413 aCriterion = self.GetEmptyCriterion()
414 aCriterion.TypeOfElement = elementType
415 aCriterion.Type = self.EnumToLong(CritType)
419 if Compare in [FT_LessThan, FT_MoreThan, FT_EqualTo]:
420 aCriterion.Compare = self.EnumToLong(Compare)
421 elif Compare == "=" or Compare == "==":
422 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
424 aCriterion.Compare = self.EnumToLong(FT_LessThan)
426 aCriterion.Compare = self.EnumToLong(FT_MoreThan)
428 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
431 if CritType in [FT_BelongToGeom, FT_BelongToPlane, FT_BelongToGenSurface,
432 FT_BelongToCylinder, FT_LyingOnGeom]:
433 # Checks the treshold
434 if isinstance(aTreshold, geompyDC.GEOM._objref_GEOM_Object):
435 aCriterion.ThresholdStr = GetName(aTreshold)
436 aCriterion.ThresholdID = salome.ObjectToID(aTreshold)
438 print "Error: The treshold should be a shape."
440 elif CritType == FT_RangeOfIds:
441 # Checks the treshold
442 if isinstance(aTreshold, str):
443 aCriterion.ThresholdStr = aTreshold
445 print "Error: The treshold should be a string."
447 elif CritType in [FT_FreeBorders, FT_FreeEdges, FT_BadOrientedVolume]:
448 # At this point the treshold is unnecessary
449 if aTreshold == FT_LogicalNOT:
450 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
451 elif aTreshold in [FT_LogicalAND, FT_LogicalOR]:
452 aCriterion.BinaryOp = aTreshold
456 aTreshold = float(aTreshold)
457 aCriterion.Threshold = aTreshold
459 print "Error: The treshold should be a number."
462 if Treshold == FT_LogicalNOT or UnaryOp == FT_LogicalNOT:
463 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
465 if Treshold in [FT_LogicalAND, FT_LogicalOR]:
466 aCriterion.BinaryOp = self.EnumToLong(Treshold)
468 if UnaryOp in [FT_LogicalAND, FT_LogicalOR]:
469 aCriterion.BinaryOp = self.EnumToLong(UnaryOp)
471 if BinaryOp in [FT_LogicalAND, FT_LogicalOR]:
472 aCriterion.BinaryOp = self.EnumToLong(BinaryOp)
476 ## Creates a filter with the given parameters
477 # @param elementType the type of elements in the group
478 # @param CritType the type of criterion ( FT_Taper, FT_Area, FT_RangeOfIds, FT_LyingOnGeom etc. )
479 # @param Compare belongs to {FT_LessThan, FT_MoreThan, FT_EqualTo}
480 # @param Treshold the threshold value (range of id ids as string, shape, numeric)
481 # @param UnaryOp FT_LogicalNOT or FT_Undefined
482 # @return SMESH_Filter
483 # @ingroup l1_controls
484 def GetFilter(self,elementType,
485 CritType=FT_Undefined,
488 UnaryOp=FT_Undefined):
489 aCriterion = self.GetCriterion(elementType, CritType, Compare, Treshold, UnaryOp, FT_Undefined)
490 aFilterMgr = self.CreateFilterManager()
491 aFilter = aFilterMgr.CreateFilter()
493 aCriteria.append(aCriterion)
494 aFilter.SetCriteria(aCriteria)
497 ## Creates a numerical functor by its type
498 # @param theCriterion FT_...; functor type
499 # @return SMESH_NumericalFunctor
500 # @ingroup l1_controls
501 def GetFunctor(self,theCriterion):
502 aFilterMgr = self.CreateFilterManager()
503 if theCriterion == FT_AspectRatio:
504 return aFilterMgr.CreateAspectRatio()
505 elif theCriterion == FT_AspectRatio3D:
506 return aFilterMgr.CreateAspectRatio3D()
507 elif theCriterion == FT_Warping:
508 return aFilterMgr.CreateWarping()
509 elif theCriterion == FT_MinimumAngle:
510 return aFilterMgr.CreateMinimumAngle()
511 elif theCriterion == FT_Taper:
512 return aFilterMgr.CreateTaper()
513 elif theCriterion == FT_Skew:
514 return aFilterMgr.CreateSkew()
515 elif theCriterion == FT_Area:
516 return aFilterMgr.CreateArea()
517 elif theCriterion == FT_Volume3D:
518 return aFilterMgr.CreateVolume3D()
519 elif theCriterion == FT_MultiConnection:
520 return aFilterMgr.CreateMultiConnection()
521 elif theCriterion == FT_MultiConnection2D:
522 return aFilterMgr.CreateMultiConnection2D()
523 elif theCriterion == FT_Length:
524 return aFilterMgr.CreateLength()
525 elif theCriterion == FT_Length2D:
526 return aFilterMgr.CreateLength2D()
528 print "Error: given parameter is not numerucal functor type."
532 #Registering the new proxy for SMESH_Gen
533 omniORB.registerObjref(SMESH._objref_SMESH_Gen._NP_RepositoryId, smeshDC)
539 ## This class allows defining and managing a mesh.
540 # It has a set of methods to build a mesh on the given geometry, including the definition of sub-meshes.
541 # It also has methods to define groups of mesh elements, to modify a mesh (by addition of
542 # new nodes and elements and by changing the existing entities), to get information
543 # about a mesh and to export a mesh into different formats.
552 # Creates a mesh on the shape \a obj (or an empty mesh if \a obj is equal to 0) and
553 # sets the GUI name of this mesh to \a name.
554 # @param smeshpyD an instance of smeshDC class
555 # @param geompyD an instance of geompyDC class
556 # @param obj Shape to be meshed or SMESH_Mesh object
557 # @param name Study name of the mesh
558 # @ingroup l2_construct
559 def __init__(self, smeshpyD, geompyD, obj=0, name=0):
560 self.smeshpyD=smeshpyD
565 if isinstance(obj, geompyDC.GEOM._objref_GEOM_Object):
567 self.mesh = self.smeshpyD.CreateMesh(self.geom)
568 elif isinstance(obj, SMESH._objref_SMESH_Mesh):
571 self.mesh = self.smeshpyD.CreateEmptyMesh()
573 SetName(self.mesh, name)
575 SetName(self.mesh, GetName(obj))
577 self.editor = self.mesh.GetMeshEditor()
579 ## Initializes the Mesh object from an instance of SMESH_Mesh interface
580 # @param theMesh a SMESH_Mesh object
581 # @ingroup l2_construct
582 def SetMesh(self, theMesh):
584 self.geom = self.mesh.GetShapeToMesh()
586 ## Returns the mesh, that is an instance of SMESH_Mesh interface
587 # @return a SMESH_Mesh object
588 # @ingroup l2_construct
592 ## Gets the name of the mesh
593 # @return the name of the mesh as a string
594 # @ingroup l2_construct
596 name = GetName(self.GetMesh())
599 ## Sets a name to the mesh
600 # @param name a new name of the mesh
601 # @ingroup l2_construct
602 def SetName(self, name):
603 SetName(self.GetMesh(), name)
605 ## Gets the subMesh object associated to a \a theSubObject geometrical object.
606 # The subMesh object gives access to the IDs of nodes and elements.
607 # @param theSubObject a geometrical object (shape)
608 # @param theName a name for the submesh
609 # @return an object of type SMESH_SubMesh, representing a part of mesh, which lies on the given shape
610 # @ingroup l2_submeshes
611 def GetSubMesh(self, theSubObject, theName):
612 submesh = self.mesh.GetSubMesh(theSubObject, theName)
615 ## Returns the shape associated to the mesh
616 # @return a GEOM_Object
617 # @ingroup l2_construct
621 ## Associates the given shape to the mesh (entails the recreation of the mesh)
622 # @param geom the shape to be meshed (GEOM_Object)
623 # @ingroup l2_construct
624 def SetShape(self, geom):
625 self.mesh = self.smeshpyD.CreateMesh(geom)
627 ## Returns true if the hypotheses are defined well
628 # @param theSubObject a subshape of a mesh shape
629 # @return True or False
630 # @ingroup l2_construct
631 def IsReadyToCompute(self, theSubObject):
632 return self.smeshpyD.IsReadyToCompute(self.mesh, theSubObject)
634 ## Returns errors of hypotheses definition.
635 # The list of errors is empty if everything is OK.
636 # @param theSubObject a subshape of a mesh shape
637 # @return a list of errors
638 # @ingroup l2_construct
639 def GetAlgoState(self, theSubObject):
640 return self.smeshpyD.GetAlgoState(self.mesh, theSubObject)
642 ## Returns a geometrical object on which the given element was built.
643 # The returned geometrical object, if not nil, is either found in the
644 # study or published by this method with the given name
645 # @param theElementID the id of the mesh element
646 # @param theGeomName the user-defined name of the geometrical object
647 # @return GEOM::GEOM_Object instance
648 # @ingroup l2_construct
649 def GetGeometryByMeshElement(self, theElementID, theGeomName):
650 return self.smeshpyD.GetGeometryByMeshElement( self.mesh, theElementID, theGeomName )
652 ## Returns the mesh dimension depending on the dimension of the underlying shape
653 # @return mesh dimension as an integer value [0,3]
654 # @ingroup l1_auxiliary
655 def MeshDimension(self):
656 shells = self.geompyD.SubShapeAllIDs( self.geom, geompyDC.ShapeType["SHELL"] )
657 if len( shells ) > 0 :
659 elif self.geompyD.NumberOfFaces( self.geom ) > 0 :
661 elif self.geompyD.NumberOfEdges( self.geom ) > 0 :
667 ## Creates a segment discretization 1D algorithm.
668 # If the optional \a algo parameter is not set, this algorithm is REGULAR.
669 # \n If the optional \a geom parameter is not set, this algorithm is global.
670 # Otherwise, this algorithm defines a submesh based on \a geom subshape.
671 # @param algo the type of the required algorithm. Possible values are:
673 # - smesh.PYTHON for discretization via a python function,
674 # - smesh.COMPOSITE for meshing a set of edges on one face side as a whole.
675 # @param geom If defined is the subshape to be meshed
676 # @return an instance of Mesh_Segment or Mesh_Segment_Python, or Mesh_CompositeSegment class
677 # @ingroup l3_algos_basic
678 def Segment(self, algo=REGULAR, geom=0):
679 ## if Segment(geom) is called by mistake
680 if isinstance( algo, geompyDC.GEOM._objref_GEOM_Object):
681 algo, geom = geom, algo
682 if not algo: algo = REGULAR
685 return Mesh_Segment(self, geom)
687 return Mesh_Segment_Python(self, geom)
688 elif algo == COMPOSITE:
689 return Mesh_CompositeSegment(self, geom)
691 return Mesh_Segment(self, geom)
693 ## Enables creation of nodes and segments usable by 2D algoritms.
694 # The added nodes and segments must be bound to edges and vertices by
695 # SetNodeOnVertex(), SetNodeOnEdge() and SetMeshElementOnShape()
696 # If the optional \a geom parameter is not set, this algorithm is global.
697 # \n Otherwise, this algorithm defines a submesh based on \a geom subshape.
698 # @param geom the subshape to be manually meshed
699 # @return StdMeshers_UseExisting_1D algorithm that generates nothing
700 # @ingroup l3_algos_basic
701 def UseExistingSegments(self, geom=0):
702 algo = Mesh_UseExisting(1,self,geom)
703 return algo.GetAlgorithm()
705 ## Enables creation of nodes and faces usable by 3D algoritms.
706 # The added nodes and faces must be bound to geom faces by SetNodeOnFace()
707 # and SetMeshElementOnShape()
708 # If the optional \a geom parameter is not set, this algorithm is global.
709 # \n Otherwise, this algorithm defines a submesh based on \a geom subshape.
710 # @param geom the subshape to be manually meshed
711 # @return StdMeshers_UseExisting_2D algorithm that generates nothing
712 # @ingroup l3_algos_basic
713 def UseExistingFaces(self, geom=0):
714 algo = Mesh_UseExisting(2,self,geom)
715 return algo.GetAlgorithm()
717 ## Creates a triangle 2D algorithm for faces.
718 # If the optional \a geom parameter is not set, this algorithm is global.
719 # \n Otherwise, this algorithm defines a submesh based on \a geom subshape.
720 # @param algo values are: smesh.MEFISTO || smesh.NETGEN_1D2D || smesh.NETGEN_2D || smesh.BLSURF
721 # @param geom If defined, the subshape to be meshed (GEOM_Object)
722 # @return an instance of Mesh_Triangle algorithm
723 # @ingroup l3_algos_basic
724 def Triangle(self, algo=MEFISTO, geom=0):
725 ## if Triangle(geom) is called by mistake
726 if (isinstance(algo, geompyDC.GEOM._objref_GEOM_Object)):
730 return Mesh_Triangle(self, algo, geom)
732 ## Creates a quadrangle 2D algorithm for faces.
733 # If the optional \a geom parameter is not set, this algorithm is global.
734 # \n Otherwise, this algorithm defines a submesh based on \a geom subshape.
735 # @param geom If defined, the subshape to be meshed (GEOM_Object)
736 # @return an instance of Mesh_Quadrangle algorithm
737 # @ingroup l3_algos_basic
738 def Quadrangle(self, geom=0):
739 return Mesh_Quadrangle(self, geom)
741 ## Creates a tetrahedron 3D algorithm for solids.
742 # The parameter \a algo permits to choose the algorithm: NETGEN or GHS3D
743 # If the optional \a geom parameter is not set, this algorithm is global.
744 # \n Otherwise, this algorithm defines a submesh based on \a geom subshape.
745 # @param algo values are: smesh.NETGEN, smesh.GHS3D, smesh.FULL_NETGEN
746 # @param geom If defined, the subshape to be meshed (GEOM_Object)
747 # @return an instance of Mesh_Tetrahedron algorithm
748 # @ingroup l3_algos_basic
749 def Tetrahedron(self, algo=NETGEN, geom=0):
750 ## if Tetrahedron(geom) is called by mistake
751 if ( isinstance( algo, geompyDC.GEOM._objref_GEOM_Object)):
752 algo, geom = geom, algo
753 if not algo: algo = NETGEN
755 return Mesh_Tetrahedron(self, algo, geom)
757 ## Creates a hexahedron 3D algorithm for solids.
758 # If the optional \a geom parameter is not set, this algorithm is global.
759 # \n Otherwise, this algorithm defines a submesh based on \a geom subshape.
760 # @param algo possible values are: smesh.Hexa, smesh.Hexotic
761 # @param geom If defined, the subshape to be meshed (GEOM_Object)
762 # @return an instance of Mesh_Hexahedron algorithm
763 # @ingroup l3_algos_basic
764 def Hexahedron(self, algo=Hexa, geom=0):
765 ## if Hexahedron(geom, algo) or Hexahedron(geom) is called by mistake
766 if ( isinstance(algo, geompyDC.GEOM._objref_GEOM_Object) ):
767 if geom in [Hexa, Hexotic]: algo, geom = geom, algo
768 elif geom == 0: algo, geom = Hexa, algo
769 return Mesh_Hexahedron(self, algo, geom)
771 ## Deprecated, used only for compatibility!
772 # @return an instance of Mesh_Netgen algorithm
773 # @ingroup l3_algos_basic
774 def Netgen(self, is3D, geom=0):
775 return Mesh_Netgen(self, is3D, geom)
777 ## Creates a projection 1D algorithm for edges.
778 # If the optional \a geom parameter is not set, this algorithm is global.
779 # Otherwise, this algorithm defines a submesh based on \a geom subshape.
780 # @param geom If defined, the subshape to be meshed
781 # @return an instance of Mesh_Projection1D algorithm
782 # @ingroup l3_algos_proj
783 def Projection1D(self, geom=0):
784 return Mesh_Projection1D(self, geom)
786 ## Creates a projection 2D algorithm for faces.
787 # If the optional \a geom parameter is not set, this algorithm is global.
788 # Otherwise, this algorithm defines a submesh based on \a geom subshape.
789 # @param geom If defined, the subshape to be meshed
790 # @return an instance of Mesh_Projection2D algorithm
791 # @ingroup l3_algos_proj
792 def Projection2D(self, geom=0):
793 return Mesh_Projection2D(self, geom)
795 ## Creates a projection 3D algorithm for solids.
796 # If the optional \a geom parameter is not set, this algorithm is global.
797 # Otherwise, this algorithm defines a submesh based on \a geom subshape.
798 # @param geom If defined, the subshape to be meshed
799 # @return an instance of Mesh_Projection3D algorithm
800 # @ingroup l3_algos_proj
801 def Projection3D(self, geom=0):
802 return Mesh_Projection3D(self, geom)
804 ## Creates a 3D extrusion (Prism 3D) or RadialPrism 3D algorithm for solids.
805 # If the optional \a geom parameter is not set, this algorithm is global.
806 # Otherwise, this algorithm defines a submesh based on \a geom subshape.
807 # @param geom If defined, the subshape to be meshed
808 # @return an instance of Mesh_Prism3D or Mesh_RadialPrism3D algorithm
809 # @ingroup l3_algos_radialp l3_algos_3dextr
810 def Prism(self, geom=0):
814 nbSolids = len( self.geompyD.SubShapeAll( shape, geompyDC.ShapeType["SOLID"] ))
815 nbShells = len( self.geompyD.SubShapeAll( shape, geompyDC.ShapeType["SHELL"] ))
816 if nbSolids == 0 or nbSolids == nbShells:
817 return Mesh_Prism3D(self, geom)
818 return Mesh_RadialPrism3D(self, geom)
820 ## Computes the mesh and returns the status of the computation
821 # @return True or False
822 # @ingroup l2_construct
823 def Compute(self, geom=0):
824 if geom == 0 or not isinstance(geom, geompyDC.GEOM._objref_GEOM_Object):
826 print "Compute impossible: mesh is not constructed on geom shape."
832 ok = self.smeshpyD.Compute(self.mesh, geom)
833 except SALOME.SALOME_Exception, ex:
834 print "Mesh computation failed, exception caught:"
835 print " ", ex.details.text
838 print "Mesh computation failed, exception caught:"
839 traceback.print_exc()
841 errors = self.smeshpyD.GetAlgoState( self.mesh, geom )
852 reason = '%s %sD algorithm is missing' % (glob, dim)
853 elif err.state == HYP_MISSING:
854 reason = ('%s %sD algorithm "%s" misses %sD hypothesis'
855 % (glob, dim, name, dim))
856 elif err.state == HYP_NOTCONFORM:
857 reason = 'Global "Not Conform mesh allowed" hypothesis is missing'
858 elif err.state == HYP_BAD_PARAMETER:
859 reason = ('Hypothesis of %s %sD algorithm "%s" has a bad parameter value'
860 % ( glob, dim, name ))
861 elif err.state == HYP_BAD_GEOMETRY:
862 reason = ('%s %sD algorithm "%s" is assigned to mismatching'
863 'geometry' % ( glob, dim, name ))
865 reason = "For unknown reason."+\
866 " Revise Mesh.Compute() implementation in smeshDC.py!"
874 print '"' + GetName(self.mesh) + '"',"has not been computed:"
878 print '"' + GetName(self.mesh) + '"',"has not been computed."
881 if salome.sg.hasDesktop():
882 smeshgui = salome.ImportComponentGUI("SMESH")
883 smeshgui.Init(salome.myStudyId)
884 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), ok, (self.NbNodes()==0) )
885 salome.sg.updateObjBrowser(1)
889 ## Computes a tetrahedral mesh using AutomaticLength + MEFISTO + NETGEN
890 # The parameter \a fineness [0,-1] defines mesh fineness
891 # @return True or False
892 # @ingroup l3_algos_basic
893 def AutomaticTetrahedralization(self, fineness=0):
894 dim = self.MeshDimension()
896 self.RemoveGlobalHypotheses()
897 self.Segment().AutomaticLength(fineness)
899 self.Triangle().LengthFromEdges()
902 self.Tetrahedron(NETGEN)
904 return self.Compute()
906 ## Computes an hexahedral mesh using AutomaticLength + Quadrangle + Hexahedron
907 # The parameter \a fineness [0,-1] defines mesh fineness
908 # @return True or False
909 # @ingroup l3_algos_basic
910 def AutomaticHexahedralization(self, fineness=0):
911 dim = self.MeshDimension()
912 # assign the hypotheses
913 self.RemoveGlobalHypotheses()
914 self.Segment().AutomaticLength(fineness)
921 return self.Compute()
923 ## Assigns a hypothesis
924 # @param hyp a hypothesis to assign
925 # @param geom a subhape of mesh geometry
926 # @return SMESH.Hypothesis_Status
927 # @ingroup l2_hypotheses
928 def AddHypothesis(self, hyp, geom=0):
929 if isinstance( hyp, Mesh_Algorithm ):
930 hyp = hyp.GetAlgorithm()
935 status = self.mesh.AddHypothesis(geom, hyp)
936 isAlgo = hyp._narrow( SMESH_Algo )
937 TreatHypoStatus( status, GetName( hyp ), GetName( geom ), isAlgo )
940 ## Unassigns a hypothesis
941 # @param hyp a hypothesis to unassign
942 # @param geom a subshape of mesh geometry
943 # @return SMESH.Hypothesis_Status
944 # @ingroup l2_hypotheses
945 def RemoveHypothesis(self, hyp, geom=0):
946 if isinstance( hyp, Mesh_Algorithm ):
947 hyp = hyp.GetAlgorithm()
952 status = self.mesh.RemoveHypothesis(geom, hyp)
955 ## Gets the list of hypotheses added on a geometry
956 # @param geom a subshape of mesh geometry
957 # @return the sequence of SMESH_Hypothesis
958 # @ingroup l2_hypotheses
959 def GetHypothesisList(self, geom):
960 return self.mesh.GetHypothesisList( geom )
962 ## Removes all global hypotheses
963 # @ingroup l2_hypotheses
964 def RemoveGlobalHypotheses(self):
965 current_hyps = self.mesh.GetHypothesisList( self.geom )
966 for hyp in current_hyps:
967 self.mesh.RemoveHypothesis( self.geom, hyp )
971 ## Creates a mesh group based on the geometric object \a grp
972 # and gives a \a name, \n if this parameter is not defined
973 # the name is the same as the geometric group name \n
974 # Note: Works like GroupOnGeom().
975 # @param grp a geometric group, a vertex, an edge, a face or a solid
976 # @param name the name of the mesh group
977 # @return SMESH_GroupOnGeom
978 # @ingroup l2_grps_create
979 def Group(self, grp, name=""):
980 return self.GroupOnGeom(grp, name)
982 ## Deprecated, used only for compatibility! Please, use ExportMED() method instead.
983 # Exports the mesh in a file in MED format and chooses the \a version of MED format
984 # @param f the file name
985 # @param version values are SMESH.MED_V2_1, SMESH.MED_V2_2
987 def ExportToMED(self, f, version, opt=0):
988 self.mesh.ExportToMED(f, opt, version)
990 ## Exports the mesh in a file in MED format
991 # @param f is the file name
992 # @param auto_groups boolean parameter for creating/not creating
993 # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
994 # the typical use is auto_groups=false.
995 # @param version MED format version(MED_V2_1 or MED_V2_2)
997 def ExportMED(self, f, auto_groups=0, version=MED_V2_2):
998 self.mesh.ExportToMED(f, auto_groups, version)
1000 ## Exports the mesh in a file in DAT format
1001 # @param f the file name
1002 # @ingroup l2_impexp
1003 def ExportDAT(self, f):
1004 self.mesh.ExportDAT(f)
1006 ## Exports the mesh in a file in UNV format
1007 # @param f the file name
1008 # @ingroup l2_impexp
1009 def ExportUNV(self, f):
1010 self.mesh.ExportUNV(f)
1012 ## Export the mesh in a file in STL format
1013 # @param f the file name
1014 # @param ascii defines the file encoding
1015 # @ingroup l2_impexp
1016 def ExportSTL(self, f, ascii=1):
1017 self.mesh.ExportSTL(f, ascii)
1020 # Operations with groups:
1021 # ----------------------
1023 ## Creates an empty mesh group
1024 # @param elementType the type of elements in the group
1025 # @param name the name of the mesh group
1026 # @return SMESH_Group
1027 # @ingroup l2_grps_create
1028 def CreateEmptyGroup(self, elementType, name):
1029 return self.mesh.CreateGroup(elementType, name)
1031 ## Creates a mesh group based on the geometrical object \a grp
1032 # and gives a \a name, \n if this parameter is not defined
1033 # the name is the same as the geometrical group name
1034 # @param grp a geometrical group, a vertex, an edge, a face or a solid
1035 # @param name the name of the mesh group
1036 # @param typ the type of elements in the group. If not set, it is
1037 # automatically detected by the type of the geometry
1038 # @return SMESH_GroupOnGeom
1039 # @ingroup l2_grps_create
1040 def GroupOnGeom(self, grp, name="", typ=None):
1042 name = grp.GetName()
1045 tgeo = str(grp.GetShapeType())
1046 if tgeo == "VERTEX":
1048 elif tgeo == "EDGE":
1050 elif tgeo == "FACE":
1052 elif tgeo == "SOLID":
1054 elif tgeo == "SHELL":
1056 elif tgeo == "COMPOUND":
1057 if len( self.geompyD.GetObjectIDs( grp )) == 0:
1058 print "Mesh.Group: empty geometric group", GetName( grp )
1060 tgeo = self.geompyD.GetType(grp)
1061 if tgeo == geompyDC.ShapeType["VERTEX"]:
1063 elif tgeo == geompyDC.ShapeType["EDGE"]:
1065 elif tgeo == geompyDC.ShapeType["FACE"]:
1067 elif tgeo == geompyDC.ShapeType["SOLID"]:
1071 print "Mesh.Group: bad first argument: expected a group, a vertex, an edge, a face or a solid"
1074 return self.mesh.CreateGroupFromGEOM(typ, name, grp)
1076 ## Creates a mesh group by the given ids of elements
1077 # @param groupName the name of the mesh group
1078 # @param elementType the type of elements in the group
1079 # @param elemIDs the list of ids
1080 # @return SMESH_Group
1081 # @ingroup l2_grps_create
1082 def MakeGroupByIds(self, groupName, elementType, elemIDs):
1083 group = self.mesh.CreateGroup(elementType, groupName)
1087 ## Creates a mesh group by the given conditions
1088 # @param groupName the name of the mesh group
1089 # @param elementType the type of elements in the group
1090 # @param CritType the type of criterion( FT_Taper, FT_Area, FT_RangeOfIds, FT_LyingOnGeom etc. )
1091 # @param Compare belongs to {FT_LessThan, FT_MoreThan, FT_EqualTo}
1092 # @param Treshold the threshold value (range of id ids as string, shape, numeric)
1093 # @param UnaryOp FT_LogicalNOT or FT_Undefined
1094 # @return SMESH_Group
1095 # @ingroup l2_grps_create
1099 CritType=FT_Undefined,
1102 UnaryOp=FT_Undefined):
1103 aCriterion = self.smeshpyD.GetCriterion(elementType, CritType, Compare, Treshold, UnaryOp, FT_Undefined)
1104 group = self.MakeGroupByCriterion(groupName, aCriterion)
1107 ## Creates a mesh group by the given criterion
1108 # @param groupName the name of the mesh group
1109 # @param Criterion the instance of Criterion class
1110 # @return SMESH_Group
1111 # @ingroup l2_grps_create
1112 def MakeGroupByCriterion(self, groupName, Criterion):
1113 aFilterMgr = self.smeshpyD.CreateFilterManager()
1114 aFilter = aFilterMgr.CreateFilter()
1116 aCriteria.append(Criterion)
1117 aFilter.SetCriteria(aCriteria)
1118 group = self.MakeGroupByFilter(groupName, aFilter)
1121 ## Creates a mesh group by the given criteria (list of criteria)
1122 # @param groupName the name of the mesh group
1123 # @param theCriteria the list of criteria
1124 # @return SMESH_Group
1125 # @ingroup l2_grps_create
1126 def MakeGroupByCriteria(self, groupName, theCriteria):
1127 aFilterMgr = self.smeshpyD.CreateFilterManager()
1128 aFilter = aFilterMgr.CreateFilter()
1129 aFilter.SetCriteria(theCriteria)
1130 group = self.MakeGroupByFilter(groupName, aFilter)
1133 ## Creates a mesh group by the given filter
1134 # @param groupName the name of the mesh group
1135 # @param theFilter the instance of Filter class
1136 # @return SMESH_Group
1137 # @ingroup l2_grps_create
1138 def MakeGroupByFilter(self, groupName, theFilter):
1139 anIds = theFilter.GetElementsId(self.mesh)
1140 anElemType = theFilter.GetElementType()
1141 group = self.MakeGroupByIds(groupName, anElemType, anIds)
1144 ## Passes mesh elements through the given filter and return IDs of fitting elements
1145 # @param theFilter SMESH_Filter
1146 # @return a list of ids
1147 # @ingroup l1_controls
1148 def GetIdsFromFilter(self, theFilter):
1149 return theFilter.GetElementsId(self.mesh)
1151 ## Verifies whether a 2D mesh element has free edges (edges connected to one face only)\n
1152 # Returns a list of special structures (borders).
1153 # @return a list of SMESH.FreeEdges.Border structure: edge id and ids of two its nodes.
1154 # @ingroup l1_controls
1155 def GetFreeBorders(self):
1156 aFilterMgr = self.smeshpyD.CreateFilterManager()
1157 aPredicate = aFilterMgr.CreateFreeEdges()
1158 aPredicate.SetMesh(self.mesh)
1159 aBorders = aPredicate.GetBorders()
1163 # @ingroup l2_grps_delete
1164 def RemoveGroup(self, group):
1165 self.mesh.RemoveGroup(group)
1167 ## Removes a group with its contents
1168 # @ingroup l2_grps_delete
1169 def RemoveGroupWithContents(self, group):
1170 self.mesh.RemoveGroupWithContents(group)
1172 ## Gets the list of groups existing in the mesh
1173 # @return a sequence of SMESH_GroupBase
1174 # @ingroup l2_grps_create
1175 def GetGroups(self):
1176 return self.mesh.GetGroups()
1178 ## Gets the number of groups existing in the mesh
1179 # @return the quantity of groups as an integer value
1180 # @ingroup l2_grps_create
1182 return self.mesh.NbGroups()
1184 ## Gets the list of names of groups existing in the mesh
1185 # @return list of strings
1186 # @ingroup l2_grps_create
1187 def GetGroupNames(self):
1188 groups = self.GetGroups()
1190 for group in groups:
1191 names.append(group.GetName())
1194 ## Produces a union of two groups
1195 # A new group is created. All mesh elements that are
1196 # present in the initial groups are added to the new one
1197 # @return an instance of SMESH_Group
1198 # @ingroup l2_grps_operon
1199 def UnionGroups(self, group1, group2, name):
1200 return self.mesh.UnionGroups(group1, group2, name)
1202 ## Prodices an intersection of two groups
1203 # A new group is created. All mesh elements that are common
1204 # for the two initial groups are added to the new one.
1205 # @return an instance of SMESH_Group
1206 # @ingroup l2_grps_operon
1207 def IntersectGroups(self, group1, group2, name):
1208 return self.mesh.IntersectGroups(group1, group2, name)
1210 ## Produces a cut of two groups
1211 # A new group is created. All mesh elements that are present in
1212 # the main group but are not present in the tool group are added to the new one
1213 # @return an instance of SMESH_Group
1214 # @ingroup l2_grps_operon
1215 def CutGroups(self, mainGroup, toolGroup, name):
1216 return self.mesh.CutGroups(mainGroup, toolGroup, name)
1219 # Get some info about mesh:
1220 # ------------------------
1222 ## Returns the log of nodes and elements added or removed
1223 # since the previous clear of the log.
1224 # @param clearAfterGet log is emptied after Get (safe if concurrents access)
1225 # @return list of log_block structures:
1230 # @ingroup l1_auxiliary
1231 def GetLog(self, clearAfterGet):
1232 return self.mesh.GetLog(clearAfterGet)
1234 ## Clears the log of nodes and elements added or removed since the previous
1235 # clear. Must be used immediately after GetLog if clearAfterGet is false.
1236 # @ingroup l1_auxiliary
1238 self.mesh.ClearLog()
1240 ## Toggles auto color mode on the object.
1241 # @param theAutoColor the flag which toggles auto color mode.
1242 # @ingroup l1_auxiliary
1243 def SetAutoColor(self, theAutoColor):
1244 self.mesh.SetAutoColor(theAutoColor)
1246 ## Gets flag of object auto color mode.
1247 # @return True or False
1248 # @ingroup l1_auxiliary
1249 def GetAutoColor(self):
1250 return self.mesh.GetAutoColor()
1252 ## Gets the internal ID
1253 # @return integer value, which is the internal Id of the mesh
1254 # @ingroup l1_auxiliary
1256 return self.mesh.GetId()
1259 # @return integer value, which is the study Id of the mesh
1260 # @ingroup l1_auxiliary
1261 def GetStudyId(self):
1262 return self.mesh.GetStudyId()
1264 ## Checks the group names for duplications.
1265 # Consider the maximum group name length stored in MED file.
1266 # @return True or False
1267 # @ingroup l1_auxiliary
1268 def HasDuplicatedGroupNamesMED(self):
1269 return self.mesh.HasDuplicatedGroupNamesMED()
1271 ## Obtains the mesh editor tool
1272 # @return an instance of SMESH_MeshEditor
1273 # @ingroup l1_modifying
1274 def GetMeshEditor(self):
1275 return self.mesh.GetMeshEditor()
1278 # @return an instance of SALOME_MED::MESH
1279 # @ingroup l1_auxiliary
1280 def GetMEDMesh(self):
1281 return self.mesh.GetMEDMesh()
1284 # Get informations about mesh contents:
1285 # ------------------------------------
1287 ## Returns the number of nodes in the mesh
1288 # @return an integer value
1289 # @ingroup l1_meshinfo
1291 return self.mesh.NbNodes()
1293 ## Returns the number of elements in the mesh
1294 # @return an integer value
1295 # @ingroup l1_meshinfo
1296 def NbElements(self):
1297 return self.mesh.NbElements()
1299 ## Returns the number of edges in the mesh
1300 # @return an integer value
1301 # @ingroup l1_meshinfo
1303 return self.mesh.NbEdges()
1305 ## Returns the number of edges with the given order in the mesh
1306 # @param elementOrder the order of elements:
1307 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1308 # @return an integer value
1309 # @ingroup l1_meshinfo
1310 def NbEdgesOfOrder(self, elementOrder):
1311 return self.mesh.NbEdgesOfOrder(elementOrder)
1313 ## Returns the number of faces in the mesh
1314 # @return an integer value
1315 # @ingroup l1_meshinfo
1317 return self.mesh.NbFaces()
1319 ## Returns the number of faces with the given order in the mesh
1320 # @param elementOrder the order of elements:
1321 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1322 # @return an integer value
1323 # @ingroup l1_meshinfo
1324 def NbFacesOfOrder(self, elementOrder):
1325 return self.mesh.NbFacesOfOrder(elementOrder)
1327 ## Returns the number of triangles in the mesh
1328 # @return an integer value
1329 # @ingroup l1_meshinfo
1330 def NbTriangles(self):
1331 return self.mesh.NbTriangles()
1333 ## Returns the number of triangles with the given order in the mesh
1334 # @param elementOrder is the order of elements:
1335 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1336 # @return an integer value
1337 # @ingroup l1_meshinfo
1338 def NbTrianglesOfOrder(self, elementOrder):
1339 return self.mesh.NbTrianglesOfOrder(elementOrder)
1341 ## Returns the number of quadrangles in the mesh
1342 # @return an integer value
1343 # @ingroup l1_meshinfo
1344 def NbQuadrangles(self):
1345 return self.mesh.NbQuadrangles()
1347 ## Returns the number of quadrangles with the given order in the mesh
1348 # @param elementOrder the order of elements:
1349 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1350 # @return an integer value
1351 # @ingroup l1_meshinfo
1352 def NbQuadranglesOfOrder(self, elementOrder):
1353 return self.mesh.NbQuadranglesOfOrder(elementOrder)
1355 ## Returns the number of polygons in the mesh
1356 # @return an integer value
1357 # @ingroup l1_meshinfo
1358 def NbPolygons(self):
1359 return self.mesh.NbPolygons()
1361 ## Returns the number of volumes in the mesh
1362 # @return an integer value
1363 # @ingroup l1_meshinfo
1364 def NbVolumes(self):
1365 return self.mesh.NbVolumes()
1367 ## Returns the number of volumes with the given order in the mesh
1368 # @param elementOrder the order of elements:
1369 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1370 # @return an integer value
1371 # @ingroup l1_meshinfo
1372 def NbVolumesOfOrder(self, elementOrder):
1373 return self.mesh.NbVolumesOfOrder(elementOrder)
1375 ## Returns the number of tetrahedrons in the mesh
1376 # @return an integer value
1377 # @ingroup l1_meshinfo
1379 return self.mesh.NbTetras()
1381 ## Returns the number of tetrahedrons with the given order in the mesh
1382 # @param elementOrder the order of elements:
1383 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1384 # @return an integer value
1385 # @ingroup l1_meshinfo
1386 def NbTetrasOfOrder(self, elementOrder):
1387 return self.mesh.NbTetrasOfOrder(elementOrder)
1389 ## Returns the number of hexahedrons in the mesh
1390 # @return an integer value
1391 # @ingroup l1_meshinfo
1393 return self.mesh.NbHexas()
1395 ## Returns the number of hexahedrons with the given order in the mesh
1396 # @param elementOrder the order of elements:
1397 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1398 # @return an integer value
1399 # @ingroup l1_meshinfo
1400 def NbHexasOfOrder(self, elementOrder):
1401 return self.mesh.NbHexasOfOrder(elementOrder)
1403 ## Returns the number of pyramids in the mesh
1404 # @return an integer value
1405 # @ingroup l1_meshinfo
1406 def NbPyramids(self):
1407 return self.mesh.NbPyramids()
1409 ## Returns the number of pyramids with the given order in the mesh
1410 # @param elementOrder the order of elements:
1411 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1412 # @return an integer value
1413 # @ingroup l1_meshinfo
1414 def NbPyramidsOfOrder(self, elementOrder):
1415 return self.mesh.NbPyramidsOfOrder(elementOrder)
1417 ## Returns the number of prisms in the mesh
1418 # @return an integer value
1419 # @ingroup l1_meshinfo
1421 return self.mesh.NbPrisms()
1423 ## Returns the number of prisms with the given order in the mesh
1424 # @param elementOrder the order of elements:
1425 # ORDER_ANY, ORDER_LINEAR or ORDER_QUADRATIC
1426 # @return an integer value
1427 # @ingroup l1_meshinfo
1428 def NbPrismsOfOrder(self, elementOrder):
1429 return self.mesh.NbPrismsOfOrder(elementOrder)
1431 ## Returns the number of polyhedrons in the mesh
1432 # @return an integer value
1433 # @ingroup l1_meshinfo
1434 def NbPolyhedrons(self):
1435 return self.mesh.NbPolyhedrons()
1437 ## Returns the number of submeshes in the mesh
1438 # @return an integer value
1439 # @ingroup l1_meshinfo
1440 def NbSubMesh(self):
1441 return self.mesh.NbSubMesh()
1443 ## Returns the list of mesh elements IDs
1444 # @return the list of integer values
1445 # @ingroup l1_meshinfo
1446 def GetElementsId(self):
1447 return self.mesh.GetElementsId()
1449 ## Returns the list of IDs of mesh elements with the given type
1450 # @param elementType the required type of elements
1451 # @return list of integer values
1452 # @ingroup l1_meshinfo
1453 def GetElementsByType(self, elementType):
1454 return self.mesh.GetElementsByType(elementType)
1456 ## Returns the list of mesh nodes IDs
1457 # @return the list of integer values
1458 # @ingroup l1_meshinfo
1459 def GetNodesId(self):
1460 return self.mesh.GetNodesId()
1462 # Get the information about mesh elements:
1463 # ------------------------------------
1465 ## Returns the type of mesh element
1466 # @return the value from SMESH::ElementType enumeration
1467 # @ingroup l1_meshinfo
1468 def GetElementType(self, id, iselem):
1469 return self.mesh.GetElementType(id, iselem)
1471 ## Returns the list of submesh elements IDs
1472 # @param Shape a geom object(subshape) IOR
1473 # Shape must be the subshape of a ShapeToMesh()
1474 # @return the list of integer values
1475 # @ingroup l1_meshinfo
1476 def GetSubMeshElementsId(self, Shape):
1477 if ( isinstance( Shape, geompyDC.GEOM._objref_GEOM_Object)):
1478 ShapeID = Shape.GetSubShapeIndices()[0]
1481 return self.mesh.GetSubMeshElementsId(ShapeID)
1483 ## Returns the list of submesh nodes IDs
1484 # @param Shape a geom object(subshape) IOR
1485 # Shape must be the subshape of a ShapeToMesh()
1486 # @param all If true, gives all nodes of submesh elements, otherwise gives only submesh nodes
1487 # @return the list of integer values
1488 # @ingroup l1_meshinfo
1489 def GetSubMeshNodesId(self, Shape, all):
1490 if ( isinstance( Shape, geompyDC.GEOM._objref_GEOM_Object)):
1491 ShapeID = Shape.GetSubShapeIndices()[0]
1494 return self.mesh.GetSubMeshNodesId(ShapeID, all)
1496 ## Returns the list of IDs of submesh elements with the given type
1497 # @param Shape a geom object(subshape) IOR
1498 # Shape must be a subshape of a ShapeToMesh()
1499 # @return the list of integer values
1500 # @ingroup l1_meshinfo
1501 def GetSubMeshElementType(self, Shape):
1502 if ( isinstance( Shape, geompyDC.GEOM._objref_GEOM_Object)):
1503 ShapeID = Shape.GetSubShapeIndices()[0]
1506 return self.mesh.GetSubMeshElementType(ShapeID)
1508 ## Gets the mesh description
1509 # @return string value
1510 # @ingroup l1_meshinfo
1512 return self.mesh.Dump()
1515 # Get the information about nodes and elements of a mesh by its IDs:
1516 # -----------------------------------------------------------
1518 ## Gets XYZ coordinates of a node
1519 # \n If there is no nodes for the given ID - returns an empty list
1520 # @return a list of double precision values
1521 # @ingroup l1_meshinfo
1522 def GetNodeXYZ(self, id):
1523 return self.mesh.GetNodeXYZ(id)
1525 ## Returns list of IDs of inverse elements for the given node
1526 # \n If there is no node for the given ID - returns an empty list
1527 # @return a list of integer values
1528 # @ingroup l1_meshinfo
1529 def GetNodeInverseElements(self, id):
1530 return self.mesh.GetNodeInverseElements(id)
1532 ## @brief Returns the position of a node on the shape
1533 # @return SMESH::NodePosition
1534 # @ingroup l1_meshinfo
1535 def GetNodePosition(self,NodeID):
1536 return self.mesh.GetNodePosition(NodeID)
1538 ## If the given element is a node, returns the ID of shape
1539 # \n If there is no node for the given ID - returns -1
1540 # @return an integer value
1541 # @ingroup l1_meshinfo
1542 def GetShapeID(self, id):
1543 return self.mesh.GetShapeID(id)
1545 ## Returns the ID of the result shape after
1546 # FindShape() from SMESH_MeshEditor for the given element
1547 # \n If there is no element for the given ID - returns -1
1548 # @return an integer value
1549 # @ingroup l1_meshinfo
1550 def GetShapeIDForElem(self,id):
1551 return self.mesh.GetShapeIDForElem(id)
1553 ## Returns the number of nodes for the given element
1554 # \n If there is no element for the given ID - returns -1
1555 # @return an integer value
1556 # @ingroup l1_meshinfo
1557 def GetElemNbNodes(self, id):
1558 return self.mesh.GetElemNbNodes(id)
1560 ## Returns the node ID the given index for the given element
1561 # \n If there is no element for the given ID - returns -1
1562 # \n If there is no node for the given index - returns -2
1563 # @return an integer value
1564 # @ingroup l1_meshinfo
1565 def GetElemNode(self, id, index):
1566 return self.mesh.GetElemNode(id, index)
1568 ## Returns the IDs of nodes of the given element
1569 # @return a list of integer values
1570 # @ingroup l1_meshinfo
1571 def GetElemNodes(self, id):
1572 return self.mesh.GetElemNodes(id)
1574 ## Returns true if the given node is the medium node in the given quadratic element
1575 # @ingroup l1_meshinfo
1576 def IsMediumNode(self, elementID, nodeID):
1577 return self.mesh.IsMediumNode(elementID, nodeID)
1579 ## Returns true if the given node is the medium node in one of quadratic elements
1580 # @ingroup l1_meshinfo
1581 def IsMediumNodeOfAnyElem(self, nodeID, elementType):
1582 return self.mesh.IsMediumNodeOfAnyElem(nodeID, elementType)
1584 ## Returns the number of edges for the given element
1585 # @ingroup l1_meshinfo
1586 def ElemNbEdges(self, id):
1587 return self.mesh.ElemNbEdges(id)
1589 ## Returns the number of faces for the given element
1590 # @ingroup l1_meshinfo
1591 def ElemNbFaces(self, id):
1592 return self.mesh.ElemNbFaces(id)
1594 ## Returns true if the given element is a polygon
1595 # @ingroup l1_meshinfo
1596 def IsPoly(self, id):
1597 return self.mesh.IsPoly(id)
1599 ## Returns true if the given element is quadratic
1600 # @ingroup l1_meshinfo
1601 def IsQuadratic(self, id):
1602 return self.mesh.IsQuadratic(id)
1604 ## Returns XYZ coordinates of the barycenter of the given element
1605 # \n If there is no element for the given ID - returns an empty list
1606 # @return a list of three double values
1607 # @ingroup l1_meshinfo
1608 def BaryCenter(self, id):
1609 return self.mesh.BaryCenter(id)
1612 # Mesh edition (SMESH_MeshEditor functionality):
1613 # ---------------------------------------------
1615 ## Removes the elements from the mesh by ids
1616 # @param IDsOfElements is a list of ids of elements to remove
1617 # @return True or False
1618 # @ingroup l2_modif_del
1619 def RemoveElements(self, IDsOfElements):
1620 return self.editor.RemoveElements(IDsOfElements)
1622 ## Removes nodes from mesh by ids
1623 # @param IDsOfNodes is a list of ids of nodes to remove
1624 # @return True or False
1625 # @ingroup l2_modif_del
1626 def RemoveNodes(self, IDsOfNodes):
1627 return self.editor.RemoveNodes(IDsOfNodes)
1629 ## Add a node to the mesh by coordinates
1630 # @return Id of the new node
1631 # @ingroup l2_modif_add
1632 def AddNode(self, x, y, z):
1633 return self.editor.AddNode( x, y, z)
1635 ## Creates a linear or quadratic edge (this is determined
1636 # by the number of given nodes).
1637 # @param IDsOfNodes the list of node IDs for creation of the element.
1638 # The order of nodes in this list should correspond to the description
1639 # of MED. \n This description is located by the following link:
1640 # http://www.salome-platform.org/salome2/web_med_internet/logiciels/medV2.2.2_doc_html/html/modele_de_donnees.html#3.
1641 # @return the Id of the new edge
1642 # @ingroup l2_modif_add
1643 def AddEdge(self, IDsOfNodes):
1644 return self.editor.AddEdge(IDsOfNodes)
1646 ## Creates a linear or quadratic face (this is determined
1647 # by the number of given nodes).
1648 # @param IDsOfNodes the list of node IDs for creation of the element.
1649 # The order of nodes in this list should correspond to the description
1650 # of MED. \n This description is located by the following link:
1651 # http://www.salome-platform.org/salome2/web_med_internet/logiciels/medV2.2.2_doc_html/html/modele_de_donnees.html#3.
1652 # @return the Id of the new face
1653 # @ingroup l2_modif_add
1654 def AddFace(self, IDsOfNodes):
1655 return self.editor.AddFace(IDsOfNodes)
1657 ## Adds a polygonal face to the mesh by the list of node IDs
1658 # @param IdsOfNodes the list of node IDs for creation of the element.
1659 # @return the Id of the new face
1660 # @ingroup l2_modif_add
1661 def AddPolygonalFace(self, IdsOfNodes):
1662 return self.editor.AddPolygonalFace(IdsOfNodes)
1664 ## Creates both simple and quadratic volume (this is determined
1665 # by the number of given nodes).
1666 # @param IDsOfNodes the list of node IDs for creation of the element.
1667 # The order of nodes in this list should correspond to the description
1668 # of MED. \n This description is located by the following link:
1669 # http://www.salome-platform.org/salome2/web_med_internet/logiciels/medV2.2.2_doc_html/html/modele_de_donnees.html#3.
1670 # @return the Id of the new volumic element
1671 # @ingroup l2_modif_add
1672 def AddVolume(self, IDsOfNodes):
1673 return self.editor.AddVolume(IDsOfNodes)
1675 ## Creates a volume of many faces, giving nodes for each face.
1676 # @param IdsOfNodes the list of node IDs for volume creation face by face.
1677 # @param Quantities the list of integer values, Quantities[i]
1678 # gives the quantity of nodes in face number i.
1679 # @return the Id of the new volumic element
1680 # @ingroup l2_modif_add
1681 def AddPolyhedralVolume (self, IdsOfNodes, Quantities):
1682 return self.editor.AddPolyhedralVolume(IdsOfNodes, Quantities)
1684 ## Creates a volume of many faces, giving the IDs of the existing faces.
1685 # @param IdsOfFaces the list of face IDs for volume creation.
1687 # Note: The created volume will refer only to the nodes
1688 # of the given faces, not to the faces themselves.
1689 # @return the Id of the new volumic element
1690 # @ingroup l2_modif_add
1691 def AddPolyhedralVolumeByFaces (self, IdsOfFaces):
1692 return self.editor.AddPolyhedralVolumeByFaces(IdsOfFaces)
1695 ## @brief Binds a node to a vertex
1696 # @param NodeID a node ID
1697 # @param Vertex a vertex or vertex ID
1698 # @return True if succeed else raises an exception
1699 # @ingroup l2_modif_add
1700 def SetNodeOnVertex(self, NodeID, Vertex):
1701 if ( isinstance( Vertex, geompyDC.GEOM._objref_GEOM_Object)):
1702 VertexID = Vertex.GetSubShapeIndices()[0]
1706 self.editor.SetNodeOnVertex(NodeID, VertexID)
1707 except SALOME.SALOME_Exception, inst:
1708 raise ValueError, inst.details.text
1712 ## @brief Stores the node position on an edge
1713 # @param NodeID a node ID
1714 # @param Edge an edge or edge ID
1715 # @param paramOnEdge a parameter on the edge where the node is located
1716 # @return True if succeed else raises an exception
1717 # @ingroup l2_modif_add
1718 def SetNodeOnEdge(self, NodeID, Edge, paramOnEdge):
1719 if ( isinstance( Edge, geompyDC.GEOM._objref_GEOM_Object)):
1720 EdgeID = Edge.GetSubShapeIndices()[0]
1724 self.editor.SetNodeOnEdge(NodeID, EdgeID, paramOnEdge)
1725 except SALOME.SALOME_Exception, inst:
1726 raise ValueError, inst.details.text
1729 ## @brief Stores node position on a face
1730 # @param NodeID a node ID
1731 # @param Face a face or face ID
1732 # @param u U parameter on the face where the node is located
1733 # @param v V parameter on the face where the node is located
1734 # @return True if succeed else raises an exception
1735 # @ingroup l2_modif_add
1736 def SetNodeOnFace(self, NodeID, Face, u, v):
1737 if ( isinstance( Face, geompyDC.GEOM._objref_GEOM_Object)):
1738 FaceID = Face.GetSubShapeIndices()[0]
1742 self.editor.SetNodeOnFace(NodeID, FaceID, u, v)
1743 except SALOME.SALOME_Exception, inst:
1744 raise ValueError, inst.details.text
1747 ## @brief Binds a node to a solid
1748 # @param NodeID a node ID
1749 # @param Solid a solid or solid ID
1750 # @return True if succeed else raises an exception
1751 # @ingroup l2_modif_add
1752 def SetNodeInVolume(self, NodeID, Solid):
1753 if ( isinstance( Solid, geompyDC.GEOM._objref_GEOM_Object)):
1754 SolidID = Solid.GetSubShapeIndices()[0]
1758 self.editor.SetNodeInVolume(NodeID, SolidID)
1759 except SALOME.SALOME_Exception, inst:
1760 raise ValueError, inst.details.text
1763 ## @brief Bind an element to a shape
1764 # @param ElementID an element ID
1765 # @param Shape a shape or shape ID
1766 # @return True if succeed else raises an exception
1767 # @ingroup l2_modif_add
1768 def SetMeshElementOnShape(self, ElementID, Shape):
1769 if ( isinstance( Shape, geompyDC.GEOM._objref_GEOM_Object)):
1770 ShapeID = Shape.GetSubShapeIndices()[0]
1774 self.editor.SetMeshElementOnShape(ElementID, ShapeID)
1775 except SALOME.SALOME_Exception, inst:
1776 raise ValueError, inst.details.text
1780 ## Moves the node with the given id
1781 # @param NodeID the id of the node
1782 # @param x a new X coordinate
1783 # @param y a new Y coordinate
1784 # @param z a new Z coordinate
1785 # @return True if succeed else False
1786 # @ingroup l2_modif_movenode
1787 def MoveNode(self, NodeID, x, y, z):
1788 return self.editor.MoveNode(NodeID, x, y, z)
1790 ## Finds the node closest to a point
1791 # @param x the X coordinate of a point
1792 # @param y the Y coordinate of a point
1793 # @param z the Z coordinate of a point
1794 # @return the ID of a node
1795 # @ingroup l2_modif_throughp
1796 def FindNodeClosestTo(self, x, y, z):
1797 preview = self.mesh.GetMeshEditPreviewer()
1798 return preview.MoveClosestNodeToPoint(x, y, z, -1)
1800 ## Finds the node closest to a point and moves it to a point location
1801 # @param x the X coordinate of a point
1802 # @param y the Y coordinate of a point
1803 # @param z the Z coordinate of a point
1804 # @return the ID of a moved node
1805 # @ingroup l2_modif_throughp
1806 def MeshToPassThroughAPoint(self, x, y, z):
1807 return self.editor.MoveClosestNodeToPoint(x, y, z, -1)
1809 ## Replaces two neighbour triangles sharing Node1-Node2 link
1810 # with the triangles built on the same 4 nodes but having other common link.
1811 # @param NodeID1 the ID of the first node
1812 # @param NodeID2 the ID of the second node
1813 # @return false if proper faces were not found
1814 # @ingroup l2_modif_invdiag
1815 def InverseDiag(self, NodeID1, NodeID2):
1816 return self.editor.InverseDiag(NodeID1, NodeID2)
1818 ## Replaces two neighbour triangles sharing Node1-Node2 link
1819 # with a quadrangle built on the same 4 nodes.
1820 # @param NodeID1 the ID of the first node
1821 # @param NodeID2 the ID of the second node
1822 # @return false if proper faces were not found
1823 # @ingroup l2_modif_unitetri
1824 def DeleteDiag(self, NodeID1, NodeID2):
1825 return self.editor.DeleteDiag(NodeID1, NodeID2)
1827 ## Reorients elements by ids
1828 # @param IDsOfElements if undefined reorients all mesh elements
1829 # @return True if succeed else False
1830 # @ingroup l2_modif_changori
1831 def Reorient(self, IDsOfElements=None):
1832 if IDsOfElements == None:
1833 IDsOfElements = self.GetElementsId()
1834 return self.editor.Reorient(IDsOfElements)
1836 ## Reorients all elements of the object
1837 # @param theObject mesh, submesh or group
1838 # @return True if succeed else False
1839 # @ingroup l2_modif_changori
1840 def ReorientObject(self, theObject):
1841 if ( isinstance( theObject, Mesh )):
1842 theObject = theObject.GetMesh()
1843 return self.editor.ReorientObject(theObject)
1845 ## Fuses the neighbouring triangles into quadrangles.
1846 # @param IDsOfElements The triangles to be fused,
1847 # @param theCriterion is FT_...; used to choose a neighbour to fuse with.
1848 # @param MaxAngle is the maximum angle between element normals at which the fusion
1849 # is still performed; theMaxAngle is mesured in radians.
1850 # @return TRUE in case of success, FALSE otherwise.
1851 # @ingroup l2_modif_unitetri
1852 def TriToQuad(self, IDsOfElements, theCriterion, MaxAngle):
1853 if IDsOfElements == []:
1854 IDsOfElements = self.GetElementsId()
1855 return self.editor.TriToQuad(IDsOfElements, self.smeshpyD.GetFunctor(theCriterion), MaxAngle)
1857 ## Fuses the neighbouring triangles of the object into quadrangles
1858 # @param theObject is mesh, submesh or group
1859 # @param theCriterion is FT_...; used to choose a neighbour to fuse with.
1860 # @param MaxAngle a max angle between element normals at which the fusion
1861 # is still performed; theMaxAngle is mesured in radians.
1862 # @return TRUE in case of success, FALSE otherwise.
1863 # @ingroup l2_modif_unitetri
1864 def TriToQuadObject (self, theObject, theCriterion, MaxAngle):
1865 if ( isinstance( theObject, Mesh )):
1866 theObject = theObject.GetMesh()
1867 return self.editor.TriToQuadObject(theObject, self.smeshpyD.GetFunctor(theCriterion), MaxAngle)
1869 ## Splits quadrangles into triangles.
1870 # @param IDsOfElements the faces to be splitted.
1871 # @param theCriterion FT_...; used to choose a diagonal for splitting.
1872 # @return TRUE in case of success, FALSE otherwise.
1873 # @ingroup l2_modif_cutquadr
1874 def QuadToTri (self, IDsOfElements, theCriterion):
1875 if IDsOfElements == []:
1876 IDsOfElements = self.GetElementsId()
1877 return self.editor.QuadToTri(IDsOfElements, self.smeshpyD.GetFunctor(theCriterion))
1879 ## Splits quadrangles into triangles.
1880 # @param theObject the object from which the list of elements is taken, this is mesh, submesh or group
1881 # @param theCriterion FT_...; used to choose a diagonal for splitting.
1882 # @return TRUE in case of success, FALSE otherwise.
1883 # @ingroup l2_modif_cutquadr
1884 def QuadToTriObject (self, theObject, theCriterion):
1885 if ( isinstance( theObject, Mesh )):
1886 theObject = theObject.GetMesh()
1887 return self.editor.QuadToTriObject(theObject, self.smeshpyD.GetFunctor(theCriterion))
1889 ## Splits quadrangles into triangles.
1890 # @param IDsOfElements the faces to be splitted
1891 # @param Diag13 is used to choose a diagonal for splitting.
1892 # @return TRUE in case of success, FALSE otherwise.
1893 # @ingroup l2_modif_cutquadr
1894 def SplitQuad (self, IDsOfElements, Diag13):
1895 if IDsOfElements == []:
1896 IDsOfElements = self.GetElementsId()
1897 return self.editor.SplitQuad(IDsOfElements, Diag13)
1899 ## Splits quadrangles into triangles.
1900 # @param theObject the object from which the list of elements is taken, this is mesh, submesh or group
1901 # @param Diag13 is used to choose a diagonal for splitting.
1902 # @return TRUE in case of success, FALSE otherwise.
1903 # @ingroup l2_modif_cutquadr
1904 def SplitQuadObject (self, theObject, Diag13):
1905 if ( isinstance( theObject, Mesh )):
1906 theObject = theObject.GetMesh()
1907 return self.editor.SplitQuadObject(theObject, Diag13)
1909 ## Finds a better splitting of the given quadrangle.
1910 # @param IDOfQuad the ID of the quadrangle to be splitted.
1911 # @param theCriterion FT_...; a criterion to choose a diagonal for splitting.
1912 # @return 1 if 1-3 diagonal is better, 2 if 2-4
1913 # diagonal is better, 0 if error occurs.
1914 # @ingroup l2_modif_cutquadr
1915 def BestSplit (self, IDOfQuad, theCriterion):
1916 return self.editor.BestSplit(IDOfQuad, self.smeshpyD.GetFunctor(theCriterion))
1918 ## Splits quadrangle faces near triangular facets of volumes
1920 # @ingroup l1_auxiliary
1921 def SplitQuadsNearTriangularFacets(self):
1922 faces_array = self.GetElementsByType(SMESH.FACE)
1923 for face_id in faces_array:
1924 if self.GetElemNbNodes(face_id) == 4: # quadrangle
1925 quad_nodes = self.mesh.GetElemNodes(face_id)
1926 node1_elems = self.GetNodeInverseElements(quad_nodes[1 -1])
1927 isVolumeFound = False
1928 for node1_elem in node1_elems:
1929 if not isVolumeFound:
1930 if self.GetElementType(node1_elem, True) == SMESH.VOLUME:
1931 nb_nodes = self.GetElemNbNodes(node1_elem)
1932 if 3 < nb_nodes and nb_nodes < 7: # tetra or penta, or prism
1933 volume_elem = node1_elem
1934 volume_nodes = self.mesh.GetElemNodes(volume_elem)
1935 if volume_nodes.count(quad_nodes[2 -1]) > 0: # 1,2
1936 if volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,2,4
1937 isVolumeFound = True
1938 if volume_nodes.count(quad_nodes[3 -1]) == 0: # 1,2,4 & !3
1939 self.SplitQuad([face_id], False) # diagonal 2-4
1940 elif volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,2,3 & !4
1941 isVolumeFound = True
1942 self.SplitQuad([face_id], True) # diagonal 1-3
1943 elif volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,4 & !2
1944 if volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,4,3 & !2
1945 isVolumeFound = True
1946 self.SplitQuad([face_id], True) # diagonal 1-3
1948 ## @brief Splits hexahedrons into tetrahedrons.
1950 # This operation uses pattern mapping functionality for splitting.
1951 # @param theObject the object from which the list of hexahedrons is taken; this is mesh, submesh or group.
1952 # @param theNode000,theNode001 within the range [0,7]; gives the orientation of the
1953 # pattern relatively each hexahedron: the (0,0,0) key-point of the pattern
1954 # will be mapped into <VAR>theNode000</VAR>-th node of each volume, the (0,0,1)
1955 # key-point will be mapped into <VAR>theNode001</VAR>-th node of each volume.
1956 # The (0,0,0) key-point of the used pattern corresponds to a non-split corner.
1957 # @return TRUE in case of success, FALSE otherwise.
1958 # @ingroup l1_auxiliary
1959 def SplitHexaToTetras (self, theObject, theNode000, theNode001):
1960 # Pattern: 5.---------.6
1965 # (0,0,1) 4.---------.7 * |
1972 # (0,0,0) 0.---------.3
1973 pattern_tetra = "!!! Nb of points: \n 8 \n\
1983 !!! Indices of points of 6 tetras: \n\
1991 pattern = self.smeshpyD.GetPattern()
1992 isDone = pattern.LoadFromFile(pattern_tetra)
1994 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
1997 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
1998 isDone = pattern.MakeMesh(self.mesh, False, False)
1999 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
2001 # split quafrangle faces near triangular facets of volumes
2002 self.SplitQuadsNearTriangularFacets()
2006 ## @brief Split hexahedrons into prisms.
2008 # Uses the pattern mapping functionality for splitting.
2009 # @param theObject the object (mesh, submesh or group) from where the list of hexahedrons is taken;
2010 # @param theNode000,theNode001 (within the range [0,7]) gives the orientation of the
2011 # pattern relatively each hexahedron: keypoint (0,0,0) of the pattern
2012 # will be mapped into the <VAR>theNode000</VAR>-th node of each volume, keypoint (0,0,1)
2013 # will be mapped into the <VAR>theNode001</VAR>-th node of each volume.
2014 # Edge (0,0,0)-(0,0,1) of used pattern connects two not split corners.
2015 # @return TRUE in case of success, FALSE otherwise.
2016 # @ingroup l1_auxiliary
2017 def SplitHexaToPrisms (self, theObject, theNode000, theNode001):
2018 # Pattern: 5.---------.6
2023 # (0,0,1) 4.---------.7 |
2030 # (0,0,0) 0.---------.3
2031 pattern_prism = "!!! Nb of points: \n 8 \n\
2041 !!! Indices of points of 2 prisms: \n\
2045 pattern = self.smeshpyD.GetPattern()
2046 isDone = pattern.LoadFromFile(pattern_prism)
2048 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
2051 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
2052 isDone = pattern.MakeMesh(self.mesh, False, False)
2053 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
2055 # Splits quafrangle faces near triangular facets of volumes
2056 self.SplitQuadsNearTriangularFacets()
2060 ## Smoothes elements
2061 # @param IDsOfElements the list if ids of elements to smooth
2062 # @param IDsOfFixedNodes the list of ids of fixed nodes.
2063 # Note that nodes built on edges and boundary nodes are always fixed.
2064 # @param MaxNbOfIterations the maximum number of iterations
2065 # @param MaxAspectRatio varies in range [1.0, inf]
2066 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2067 # @return TRUE in case of success, FALSE otherwise.
2068 # @ingroup l2_modif_smooth
2069 def Smooth(self, IDsOfElements, IDsOfFixedNodes,
2070 MaxNbOfIterations, MaxAspectRatio, Method):
2071 if IDsOfElements == []:
2072 IDsOfElements = self.GetElementsId()
2073 return self.editor.Smooth(IDsOfElements, IDsOfFixedNodes,
2074 MaxNbOfIterations, MaxAspectRatio, Method)
2076 ## Smoothes elements which belong to the given object
2077 # @param theObject the object to smooth
2078 # @param IDsOfFixedNodes the list of ids of fixed nodes.
2079 # Note that nodes built on edges and boundary nodes are always fixed.
2080 # @param MaxNbOfIterations the maximum number of iterations
2081 # @param MaxAspectRatio varies in range [1.0, inf]
2082 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2083 # @return TRUE in case of success, FALSE otherwise.
2084 # @ingroup l2_modif_smooth
2085 def SmoothObject(self, theObject, IDsOfFixedNodes,
2086 MaxNbOfIterations, MaxAspectRatio, Method):
2087 if ( isinstance( theObject, Mesh )):
2088 theObject = theObject.GetMesh()
2089 return self.editor.SmoothObject(theObject, IDsOfFixedNodes,
2090 MaxNbOfIterations, MaxAspectRatio, Method)
2092 ## Parametrically smoothes the given elements
2093 # @param IDsOfElements the list if ids of elements to smooth
2094 # @param IDsOfFixedNodes the list of ids of fixed nodes.
2095 # Note that nodes built on edges and boundary nodes are always fixed.
2096 # @param MaxNbOfIterations the maximum number of iterations
2097 # @param MaxAspectRatio varies in range [1.0, inf]
2098 # @param Method is Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2099 # @return TRUE in case of success, FALSE otherwise.
2100 # @ingroup l2_modif_smooth
2101 def SmoothParametric(self, IDsOfElements, IDsOfFixedNodes,
2102 MaxNbOfIterations, MaxAspectRatio, Method):
2103 if IDsOfElements == []:
2104 IDsOfElements = self.GetElementsId()
2105 return self.editor.SmoothParametric(IDsOfElements, IDsOfFixedNodes,
2106 MaxNbOfIterations, MaxAspectRatio, Method)
2108 ## Parametrically smoothes the elements which belong to the given object
2109 # @param theObject the object to smooth
2110 # @param IDsOfFixedNodes the list of ids of fixed nodes.
2111 # Note that nodes built on edges and boundary nodes are always fixed.
2112 # @param MaxNbOfIterations the maximum number of iterations
2113 # @param MaxAspectRatio varies in range [1.0, inf]
2114 # @param Method Laplacian(LAPLACIAN_SMOOTH) or Centroidal(CENTROIDAL_SMOOTH)
2115 # @return TRUE in case of success, FALSE otherwise.
2116 # @ingroup l2_modif_smooth
2117 def SmoothParametricObject(self, theObject, IDsOfFixedNodes,
2118 MaxNbOfIterations, MaxAspectRatio, Method):
2119 if ( isinstance( theObject, Mesh )):
2120 theObject = theObject.GetMesh()
2121 return self.editor.SmoothParametricObject(theObject, IDsOfFixedNodes,
2122 MaxNbOfIterations, MaxAspectRatio, Method)
2124 ## Converts the mesh to quadratic, deletes old elements, replacing
2125 # them with quadratic with the same id.
2126 # @ingroup l2_modif_tofromqu
2127 def ConvertToQuadratic(self, theForce3d):
2128 self.editor.ConvertToQuadratic(theForce3d)
2130 ## Converts the mesh from quadratic to ordinary,
2131 # deletes old quadratic elements, \n replacing
2132 # them with ordinary mesh elements with the same id.
2133 # @return TRUE in case of success, FALSE otherwise.
2134 # @ingroup l2_modif_tofromqu
2135 def ConvertFromQuadratic(self):
2136 return self.editor.ConvertFromQuadratic()
2138 ## Renumber mesh nodes
2139 # @ingroup l2_modif_renumber
2140 def RenumberNodes(self):
2141 self.editor.RenumberNodes()
2143 ## Renumber mesh elements
2144 # @ingroup l2_modif_renumber
2145 def RenumberElements(self):
2146 self.editor.RenumberElements()
2148 ## Generates new elements by rotation of the elements around the axis
2149 # @param IDsOfElements the list of ids of elements to sweep
2150 # @param Axis the axis of rotation, AxisStruct or line(geom object)
2151 # @param AngleInRadians the angle of Rotation
2152 # @param NbOfSteps the number of steps
2153 # @param Tolerance tolerance
2154 # @param MakeGroups forces the generation of new groups from existing ones
2155 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
2156 # of all steps, else - size of each step
2157 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2158 # @ingroup l2_modif_extrurev
2159 def RotationSweep(self, IDsOfElements, Axis, AngleInRadians, NbOfSteps, Tolerance,
2160 MakeGroups=False, TotalAngle=False):
2161 if IDsOfElements == []:
2162 IDsOfElements = self.GetElementsId()
2163 if ( isinstance( Axis, geompyDC.GEOM._objref_GEOM_Object)):
2164 Axis = self.smeshpyD.GetAxisStruct(Axis)
2165 if TotalAngle and NbOfSteps:
2166 AngleInRadians /= NbOfSteps
2168 return self.editor.RotationSweepMakeGroups(IDsOfElements, Axis,
2169 AngleInRadians, NbOfSteps, Tolerance)
2170 self.editor.RotationSweep(IDsOfElements, Axis, AngleInRadians, NbOfSteps, Tolerance)
2173 ## Generates new elements by rotation of the elements of object around the axis
2174 # @param theObject object which elements should be sweeped
2175 # @param Axis the axis of rotation, AxisStruct or line(geom object)
2176 # @param AngleInRadians the angle of Rotation
2177 # @param NbOfSteps number of steps
2178 # @param Tolerance tolerance
2179 # @param MakeGroups forces the generation of new groups from existing ones
2180 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
2181 # of all steps, else - size of each step
2182 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2183 # @ingroup l2_modif_extrurev
2184 def RotationSweepObject(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
2185 MakeGroups=False, TotalAngle=False):
2186 if ( isinstance( theObject, Mesh )):
2187 theObject = theObject.GetMesh()
2188 if ( isinstance( Axis, geompyDC.GEOM._objref_GEOM_Object)):
2189 Axis = self.smeshpyD.GetAxisStruct(Axis)
2190 if TotalAngle and NbOfSteps:
2191 AngleInRadians /= NbOfSteps
2193 return self.editor.RotationSweepObjectMakeGroups(theObject, Axis, AngleInRadians,
2194 NbOfSteps, Tolerance)
2195 self.editor.RotationSweepObject(theObject, Axis, AngleInRadians, NbOfSteps, Tolerance)
2198 ## Generates new elements by extrusion of the elements with given ids
2199 # @param IDsOfElements the list of elements ids for extrusion
2200 # @param StepVector vector, defining the direction and value of extrusion
2201 # @param NbOfSteps the number of steps
2202 # @param MakeGroups forces the generation of new groups from existing ones
2203 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2204 # @ingroup l2_modif_extrurev
2205 def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps, MakeGroups=False):
2206 if IDsOfElements == []:
2207 IDsOfElements = self.GetElementsId()
2208 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2209 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2211 return self.editor.ExtrusionSweepMakeGroups(IDsOfElements, StepVector, NbOfSteps)
2212 self.editor.ExtrusionSweep(IDsOfElements, StepVector, NbOfSteps)
2215 ## Generates new elements by extrusion of the elements with given ids
2216 # @param IDsOfElements is ids of elements
2217 # @param StepVector vector, defining the direction and value of extrusion
2218 # @param NbOfSteps the number of steps
2219 # @param ExtrFlags sets flags for extrusion
2220 # @param SewTolerance uses for comparing locations of nodes if flag
2221 # EXTRUSION_FLAG_SEW is set
2222 # @param MakeGroups forces the generation of new groups from existing ones
2223 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2224 # @ingroup l2_modif_extrurev
2225 def AdvancedExtrusion(self, IDsOfElements, StepVector, NbOfSteps,
2226 ExtrFlags, SewTolerance, MakeGroups=False):
2227 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2228 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2230 return self.editor.AdvancedExtrusionMakeGroups(IDsOfElements, StepVector, NbOfSteps,
2231 ExtrFlags, SewTolerance)
2232 self.editor.AdvancedExtrusion(IDsOfElements, StepVector, NbOfSteps,
2233 ExtrFlags, SewTolerance)
2236 ## Generates new elements by extrusion of the elements which belong to the object
2237 # @param theObject the object which elements should be processed
2238 # @param StepVector vector, defining the direction and value of extrusion
2239 # @param NbOfSteps the number of steps
2240 # @param MakeGroups forces the generation of new groups from existing ones
2241 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2242 # @ingroup l2_modif_extrurev
2243 def ExtrusionSweepObject(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
2244 if ( isinstance( theObject, Mesh )):
2245 theObject = theObject.GetMesh()
2246 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2247 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2249 return self.editor.ExtrusionSweepObjectMakeGroups(theObject, StepVector, NbOfSteps)
2250 self.editor.ExtrusionSweepObject(theObject, StepVector, NbOfSteps)
2253 ## Generates new elements by extrusion of the elements which belong to the object
2254 # @param theObject object which elements should be processed
2255 # @param StepVector vector, defining the direction and value of extrusion
2256 # @param NbOfSteps the number of steps
2257 # @param MakeGroups to generate new groups from existing ones
2258 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2259 # @ingroup l2_modif_extrurev
2260 def ExtrusionSweepObject1D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
2261 if ( isinstance( theObject, Mesh )):
2262 theObject = theObject.GetMesh()
2263 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2264 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2266 return self.editor.ExtrusionSweepObject1DMakeGroups(theObject, StepVector, NbOfSteps)
2267 self.editor.ExtrusionSweepObject1D(theObject, StepVector, NbOfSteps)
2270 ## Generates new elements by extrusion of the elements which belong to the object
2271 # @param theObject object which elements should be processed
2272 # @param StepVector vector, defining the direction and value of extrusion
2273 # @param NbOfSteps the number of steps
2274 # @param MakeGroups forces the generation of new groups from existing ones
2275 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2276 # @ingroup l2_modif_extrurev
2277 def ExtrusionSweepObject2D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
2278 if ( isinstance( theObject, Mesh )):
2279 theObject = theObject.GetMesh()
2280 if ( isinstance( StepVector, geompyDC.GEOM._objref_GEOM_Object)):
2281 StepVector = self.smeshpyD.GetDirStruct(StepVector)
2283 return self.editor.ExtrusionSweepObject2DMakeGroups(theObject, StepVector, NbOfSteps)
2284 self.editor.ExtrusionSweepObject2D(theObject, StepVector, NbOfSteps)
2287 ## Generates new elements by extrusion of the given elements
2288 # The path of extrusion must be a meshed edge.
2289 # @param IDsOfElements ids of elements
2290 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
2291 # @param PathShape shape(edge) defines the sub-mesh for the path
2292 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
2293 # @param HasAngles allows the shape to be rotated around the path
2294 # to get the resulting mesh in a helical fashion
2295 # @param Angles list of angles
2296 # @param HasRefPoint allows using the reference point
2297 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
2298 # The User can specify any point as the Reference Point.
2299 # @param MakeGroups forces the generation of new groups from existing ones
2300 # @param LinearVariation forces the computation of rotation angles as linear
2301 # variation of the given Angles along path steps
2302 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
2303 # only SMESH::Extrusion_Error otherwise
2304 # @ingroup l2_modif_extrurev
2305 def ExtrusionAlongPath(self, IDsOfElements, PathMesh, PathShape, NodeStart,
2306 HasAngles, Angles, HasRefPoint, RefPoint,
2307 MakeGroups=False, LinearVariation=False):
2308 if IDsOfElements == []:
2309 IDsOfElements = self.GetElementsId()
2310 if ( isinstance( RefPoint, geompyDC.GEOM._objref_GEOM_Object)):
2311 RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
2313 if ( isinstance( PathMesh, Mesh )):
2314 PathMesh = PathMesh.GetMesh()
2315 if HasAngles and Angles and LinearVariation:
2316 Angles = self.editor.LinearAnglesVariation( PathMesh, PathShape, Angles )
2319 return self.editor.ExtrusionAlongPathMakeGroups(IDsOfElements, PathMesh,
2320 PathShape, NodeStart, HasAngles,
2321 Angles, HasRefPoint, RefPoint)
2322 return self.editor.ExtrusionAlongPath(IDsOfElements, PathMesh, PathShape,
2323 NodeStart, HasAngles, Angles, HasRefPoint, RefPoint)
2325 ## Generates new elements by extrusion of the elements which belong to the object
2326 # The path of extrusion must be a meshed edge.
2327 # @param theObject the object which elements should be processed
2328 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
2329 # @param PathShape shape(edge) defines the sub-mesh for the path
2330 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
2331 # @param HasAngles allows the shape to be rotated around the path
2332 # to get the resulting mesh in a helical fashion
2333 # @param Angles list of angles
2334 # @param HasRefPoint allows using the reference point
2335 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
2336 # The User can specify any point as the Reference Point.
2337 # @param MakeGroups forces the generation of new groups from existing ones
2338 # @param LinearVariation forces the computation of rotation angles as linear
2339 # variation of the given Angles along path steps
2340 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
2341 # only SMESH::Extrusion_Error otherwise
2342 # @ingroup l2_modif_extrurev
2343 def ExtrusionAlongPathObject(self, theObject, PathMesh, PathShape, NodeStart,
2344 HasAngles, Angles, HasRefPoint, RefPoint,
2345 MakeGroups=False, LinearVariation=False):
2346 if ( isinstance( theObject, Mesh )):
2347 theObject = theObject.GetMesh()
2348 if ( isinstance( RefPoint, geompyDC.GEOM._objref_GEOM_Object)):
2349 RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
2350 if ( isinstance( PathMesh, Mesh )):
2351 PathMesh = PathMesh.GetMesh()
2352 if HasAngles and Angles and LinearVariation:
2353 Angles = self.editor.LinearAnglesVariation( PathMesh, PathShape, Angles )
2356 return self.editor.ExtrusionAlongPathObjectMakeGroups(theObject, PathMesh,
2357 PathShape, NodeStart, HasAngles,
2358 Angles, HasRefPoint, RefPoint)
2359 return self.editor.ExtrusionAlongPathObject(theObject, PathMesh, PathShape,
2360 NodeStart, HasAngles, Angles, HasRefPoint,
2363 ## Creates a symmetrical copy of mesh elements
2364 # @param IDsOfElements list of elements ids
2365 # @param Mirror is AxisStruct or geom object(point, line, plane)
2366 # @param theMirrorType is POINT, AXIS or PLANE
2367 # If the Mirror is a geom object this parameter is unnecessary
2368 # @param Copy allows to copy element (Copy is 1) or to replace with its mirroring (Copy is 0)
2369 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
2370 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2371 # @ingroup l2_modif_trsf
2372 def Mirror(self, IDsOfElements, Mirror, theMirrorType, Copy=0, MakeGroups=False):
2373 if IDsOfElements == []:
2374 IDsOfElements = self.GetElementsId()
2375 if ( isinstance( Mirror, geompyDC.GEOM._objref_GEOM_Object)):
2376 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
2377 if Copy and MakeGroups:
2378 return self.editor.MirrorMakeGroups(IDsOfElements, Mirror, theMirrorType)
2379 self.editor.Mirror(IDsOfElements, Mirror, theMirrorType, Copy)
2382 ## Creates a new mesh by a symmetrical copy of mesh elements
2383 # @param IDsOfElements the list of elements ids
2384 # @param Mirror is AxisStruct or geom object (point, line, plane)
2385 # @param theMirrorType is POINT, AXIS or PLANE
2386 # If the Mirror is a geom object this parameter is unnecessary
2387 # @param MakeGroups to generate new groups from existing ones
2388 # @param NewMeshName a name of the new mesh to create
2389 # @return instance of Mesh class
2390 # @ingroup l2_modif_trsf
2391 def MirrorMakeMesh(self, IDsOfElements, Mirror, theMirrorType, MakeGroups=0, NewMeshName=""):
2392 if IDsOfElements == []:
2393 IDsOfElements = self.GetElementsId()
2394 if ( isinstance( Mirror, geompyDC.GEOM._objref_GEOM_Object)):
2395 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
2396 mesh = self.editor.MirrorMakeMesh(IDsOfElements, Mirror, theMirrorType,
2397 MakeGroups, NewMeshName)
2398 return Mesh(self.smeshpyD,self.geompyD,mesh)
2400 ## Creates a symmetrical copy of the object
2401 # @param theObject mesh, submesh or group
2402 # @param Mirror AxisStruct or geom object (point, line, plane)
2403 # @param theMirrorType is POINT, AXIS or PLANE
2404 # If the Mirror is a geom object this parameter is unnecessary
2405 # @param Copy allows copying the element (Copy is 1) or replacing it with its mirror (Copy is 0)
2406 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
2407 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2408 # @ingroup l2_modif_trsf
2409 def MirrorObject (self, theObject, Mirror, theMirrorType, Copy=0, MakeGroups=False):
2410 if ( isinstance( theObject, Mesh )):
2411 theObject = theObject.GetMesh()
2412 if ( isinstance( Mirror, geompyDC.GEOM._objref_GEOM_Object)):
2413 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
2414 if Copy and MakeGroups:
2415 return self.editor.MirrorObjectMakeGroups(theObject, Mirror, theMirrorType)
2416 self.editor.MirrorObject(theObject, Mirror, theMirrorType, Copy)
2419 ## Creates a new mesh by a symmetrical copy of the object
2420 # @param theObject mesh, submesh or group
2421 # @param Mirror AxisStruct or geom object (point, line, plane)
2422 # @param theMirrorType POINT, AXIS or PLANE
2423 # If the Mirror is a geom object this parameter is unnecessary
2424 # @param MakeGroups forces the generation of new groups from existing ones
2425 # @param NewMeshName the name of the new mesh to create
2426 # @return instance of Mesh class
2427 # @ingroup l2_modif_trsf
2428 def MirrorObjectMakeMesh (self, theObject, Mirror, theMirrorType,MakeGroups=0, NewMeshName=""):
2429 if ( isinstance( theObject, Mesh )):
2430 theObject = theObject.GetMesh()
2431 if (isinstance(Mirror, geompyDC.GEOM._objref_GEOM_Object)):
2432 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
2433 mesh = self.editor.MirrorObjectMakeMesh(theObject, Mirror, theMirrorType,
2434 MakeGroups, NewMeshName)
2435 return Mesh( self.smeshpyD,self.geompyD,mesh )
2437 ## Translates the elements
2438 # @param IDsOfElements list of elements ids
2439 # @param Vector the direction of translation (DirStruct or vector)
2440 # @param Copy allows copying the translated elements
2441 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
2442 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2443 # @ingroup l2_modif_trsf
2444 def Translate(self, IDsOfElements, Vector, Copy, MakeGroups=False):
2445 if IDsOfElements == []:
2446 IDsOfElements = self.GetElementsId()
2447 if ( isinstance( Vector, geompyDC.GEOM._objref_GEOM_Object)):
2448 Vector = self.smeshpyD.GetDirStruct(Vector)
2449 if Copy and MakeGroups:
2450 return self.editor.TranslateMakeGroups(IDsOfElements, Vector)
2451 self.editor.Translate(IDsOfElements, Vector, Copy)
2454 ## Creates a new mesh of translated elements
2455 # @param IDsOfElements list of elements ids
2456 # @param Vector the direction of translation (DirStruct or vector)
2457 # @param MakeGroups forces the generation of new groups from existing ones
2458 # @param NewMeshName the name of the newly created mesh
2459 # @return instance of Mesh class
2460 # @ingroup l2_modif_trsf
2461 def TranslateMakeMesh(self, IDsOfElements, Vector, MakeGroups=False, NewMeshName=""):
2462 if IDsOfElements == []:
2463 IDsOfElements = self.GetElementsId()
2464 if ( isinstance( Vector, geompyDC.GEOM._objref_GEOM_Object)):
2465 Vector = self.smeshpyD.GetDirStruct(Vector)
2466 mesh = self.editor.TranslateMakeMesh(IDsOfElements, Vector, MakeGroups, NewMeshName)
2467 return Mesh ( self.smeshpyD, self.geompyD, mesh )
2469 ## Translates the object
2470 # @param theObject the object to translate (mesh, submesh, or group)
2471 # @param Vector direction of translation (DirStruct or geom vector)
2472 # @param Copy allows copying the translated elements
2473 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
2474 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2475 # @ingroup l2_modif_trsf
2476 def TranslateObject(self, theObject, Vector, Copy, MakeGroups=False):
2477 if ( isinstance( theObject, Mesh )):
2478 theObject = theObject.GetMesh()
2479 if ( isinstance( Vector, geompyDC.GEOM._objref_GEOM_Object)):
2480 Vector = self.smeshpyD.GetDirStruct(Vector)
2481 if Copy and MakeGroups:
2482 return self.editor.TranslateObjectMakeGroups(theObject, Vector)
2483 self.editor.TranslateObject(theObject, Vector, Copy)
2486 ## Creates a new mesh from the translated object
2487 # @param theObject the object to translate (mesh, submesh, or group)
2488 # @param Vector the direction of translation (DirStruct or geom vector)
2489 # @param MakeGroups forces the generation of new groups from existing ones
2490 # @param NewMeshName the name of the newly created mesh
2491 # @return instance of Mesh class
2492 # @ingroup l2_modif_trsf
2493 def TranslateObjectMakeMesh(self, theObject, Vector, MakeGroups=False, NewMeshName=""):
2494 if (isinstance(theObject, Mesh)):
2495 theObject = theObject.GetMesh()
2496 if (isinstance(Vector, geompyDC.GEOM._objref_GEOM_Object)):
2497 Vector = self.smeshpyD.GetDirStruct(Vector)
2498 mesh = self.editor.TranslateObjectMakeMesh(theObject, Vector, MakeGroups, NewMeshName)
2499 return Mesh( self.smeshpyD, self.geompyD, mesh )
2501 ## Rotates the elements
2502 # @param IDsOfElements list of elements ids
2503 # @param Axis the axis of rotation (AxisStruct or geom line)
2504 # @param AngleInRadians the angle of rotation (in radians)
2505 # @param Copy allows copying the rotated elements
2506 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
2507 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2508 # @ingroup l2_modif_trsf
2509 def Rotate (self, IDsOfElements, Axis, AngleInRadians, Copy, MakeGroups=False):
2510 if IDsOfElements == []:
2511 IDsOfElements = self.GetElementsId()
2512 if ( isinstance( Axis, geompyDC.GEOM._objref_GEOM_Object)):
2513 Axis = self.smeshpyD.GetAxisStruct(Axis)
2514 if Copy and MakeGroups:
2515 return self.editor.RotateMakeGroups(IDsOfElements, Axis, AngleInRadians)
2516 self.editor.Rotate(IDsOfElements, Axis, AngleInRadians, Copy)
2519 ## Creates a new mesh of rotated elements
2520 # @param IDsOfElements list of element ids
2521 # @param Axis the axis of rotation (AxisStruct or geom line)
2522 # @param AngleInRadians the angle of rotation (in radians)
2523 # @param MakeGroups forces the generation of new groups from existing ones
2524 # @param NewMeshName the name of the newly created mesh
2525 # @return instance of Mesh class
2526 # @ingroup l2_modif_trsf
2527 def RotateMakeMesh (self, IDsOfElements, Axis, AngleInRadians, MakeGroups=0, NewMeshName=""):
2528 if IDsOfElements == []:
2529 IDsOfElements = self.GetElementsId()
2530 if ( isinstance( Axis, geompyDC.GEOM._objref_GEOM_Object)):
2531 Axis = self.smeshpyD.GetAxisStruct(Axis)
2532 mesh = self.editor.RotateMakeMesh(IDsOfElements, Axis, AngleInRadians,
2533 MakeGroups, NewMeshName)
2534 return Mesh( self.smeshpyD, self.geompyD, mesh )
2536 ## Rotates the object
2537 # @param theObject the object to rotate( mesh, submesh, or group)
2538 # @param Axis the axis of rotation (AxisStruct or geom line)
2539 # @param AngleInRadians the angle of rotation (in radians)
2540 # @param Copy allows copying the rotated elements
2541 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
2542 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
2543 # @ingroup l2_modif_trsf
2544 def RotateObject (self, theObject, Axis, AngleInRadians, Copy, MakeGroups=False):
2545 if (isinstance(theObject, Mesh)):
2546 theObject = theObject.GetMesh()
2547 if (isinstance(Axis, geompyDC.GEOM._objref_GEOM_Object)):
2548 Axis = self.smeshpyD.GetAxisStruct(Axis)
2549 if Copy and MakeGroups:
2550 return self.editor.RotateObjectMakeGroups(theObject, Axis, AngleInRadians)
2551 self.editor.RotateObject(theObject, Axis, AngleInRadians, Copy)
2554 ## Creates a new mesh from the rotated object
2555 # @param theObject the object to rotate (mesh, submesh, or group)
2556 # @param Axis the axis of rotation (AxisStruct or geom line)
2557 # @param AngleInRadians the angle of rotation (in radians)
2558 # @param MakeGroups forces the generation of new groups from existing ones
2559 # @param NewMeshName the name of the newly created mesh
2560 # @return instance of Mesh class
2561 # @ingroup l2_modif_trsf
2562 def RotateObjectMakeMesh(self, theObject, Axis, AngleInRadians, MakeGroups=0,NewMeshName=""):
2563 if (isinstance( theObject, Mesh )):
2564 theObject = theObject.GetMesh()
2565 if (isinstance(Axis, geompyDC.GEOM._objref_GEOM_Object)):
2566 Axis = self.smeshpyD.GetAxisStruct(Axis)
2567 mesh = self.editor.RotateObjectMakeMesh(theObject, Axis, AngleInRadians,
2568 MakeGroups, NewMeshName)
2569 return Mesh( self.smeshpyD, self.geompyD, mesh )
2571 ## Finds groups of ajacent nodes within Tolerance.
2572 # @param Tolerance the value of tolerance
2573 # @return the list of groups of nodes
2574 # @ingroup l2_modif_trsf
2575 def FindCoincidentNodes (self, Tolerance):
2576 return self.editor.FindCoincidentNodes(Tolerance)
2578 ## Finds groups of ajacent nodes within Tolerance.
2579 # @param Tolerance the value of tolerance
2580 # @param SubMeshOrGroup SubMesh or Group
2581 # @return the list of groups of nodes
2582 # @ingroup l2_modif_trsf
2583 def FindCoincidentNodesOnPart (self, SubMeshOrGroup, Tolerance):
2584 return self.editor.FindCoincidentNodesOnPart(SubMeshOrGroup, Tolerance)
2587 # @param GroupsOfNodes the list of groups of nodes
2588 # @ingroup l2_modif_trsf
2589 def MergeNodes (self, GroupsOfNodes):
2590 self.editor.MergeNodes(GroupsOfNodes)
2592 ## Finds the elements built on the same nodes.
2593 # @param MeshOrSubMeshOrGroup Mesh or SubMesh, or Group of elements for searching
2594 # @return a list of groups of equal elements
2595 # @ingroup l2_modif_trsf
2596 def FindEqualElements (self, MeshOrSubMeshOrGroup):
2597 return self.editor.FindEqualElements(MeshOrSubMeshOrGroup)
2599 ## Merges elements in each given group.
2600 # @param GroupsOfElementsID groups of elements for merging
2601 # @ingroup l2_modif_trsf
2602 def MergeElements(self, GroupsOfElementsID):
2603 self.editor.MergeElements(GroupsOfElementsID)
2605 ## Leaves one element and removes all other elements built on the same nodes.
2606 # @ingroup l2_modif_trsf
2607 def MergeEqualElements(self):
2608 self.editor.MergeEqualElements()
2610 ## Sews free borders
2611 # @return SMESH::Sew_Error
2612 # @ingroup l2_modif_trsf
2613 def SewFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
2614 FirstNodeID2, SecondNodeID2, LastNodeID2,
2615 CreatePolygons, CreatePolyedrs):
2616 return self.editor.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
2617 FirstNodeID2, SecondNodeID2, LastNodeID2,
2618 CreatePolygons, CreatePolyedrs)
2620 ## Sews conform free borders
2621 # @return SMESH::Sew_Error
2622 # @ingroup l2_modif_trsf
2623 def SewConformFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
2624 FirstNodeID2, SecondNodeID2):
2625 return self.editor.SewConformFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
2626 FirstNodeID2, SecondNodeID2)
2628 ## Sews border to side
2629 # @return SMESH::Sew_Error
2630 # @ingroup l2_modif_trsf
2631 def SewBorderToSide (self, FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
2632 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs):
2633 return self.editor.SewBorderToSide(FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
2634 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs)
2636 ## Sews two sides of a mesh. The nodes belonging to Side1 are
2637 # merged with the nodes of elements of Side2.
2638 # The number of elements in theSide1 and in theSide2 must be
2639 # equal and they should have similar nodal connectivity.
2640 # The nodes to merge should belong to side borders and
2641 # the first node should be linked to the second.
2642 # @return SMESH::Sew_Error
2643 # @ingroup l2_modif_trsf
2644 def SewSideElements (self, IDsOfSide1Elements, IDsOfSide2Elements,
2645 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
2646 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge):
2647 return self.editor.SewSideElements(IDsOfSide1Elements, IDsOfSide2Elements,
2648 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
2649 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge)
2651 ## Sets new nodes for the given element.
2652 # @param ide the element id
2653 # @param newIDs nodes ids
2654 # @return If the number of nodes does not correspond to the type of element - returns false
2655 # @ingroup l2_modif_edit
2656 def ChangeElemNodes(self, ide, newIDs):
2657 return self.editor.ChangeElemNodes(ide, newIDs)
2659 ## If during the last operation of MeshEditor some nodes were
2660 # created, this method returns the list of their IDs, \n
2661 # if new nodes were not created - returns empty list
2662 # @return the list of integer values (can be empty)
2663 # @ingroup l1_auxiliary
2664 def GetLastCreatedNodes(self):
2665 return self.editor.GetLastCreatedNodes()
2667 ## If during the last operation of MeshEditor some elements were
2668 # created this method returns the list of their IDs, \n
2669 # if new elements were not created - returns empty list
2670 # @return the list of integer values (can be empty)
2671 # @ingroup l1_auxiliary
2672 def GetLastCreatedElems(self):
2673 return self.editor.GetLastCreatedElems()
2675 ## The mother class to define algorithm, it is not recommended to use it directly.
2678 # @ingroup l2_algorithms
2679 class Mesh_Algorithm:
2680 # @class Mesh_Algorithm
2681 # @brief Class Mesh_Algorithm
2683 #def __init__(self,smesh):
2691 ## Finds a hypothesis in the study by its type name and parameters.
2692 # Finds only the hypotheses created in smeshpyD engine.
2693 # @return SMESH.SMESH_Hypothesis
2694 def FindHypothesis (self, hypname, args, CompareMethod, smeshpyD):
2695 study = smeshpyD.GetCurrentStudy()
2696 #to do: find component by smeshpyD object, not by its data type
2697 scomp = study.FindComponent(smeshpyD.ComponentDataType())
2698 if scomp is not None:
2699 res,hypRoot = scomp.FindSubObject(SMESH.Tag_HypothesisRoot)
2700 # Check if the root label of the hypotheses exists
2701 if res and hypRoot is not None:
2702 iter = study.NewChildIterator(hypRoot)
2703 # Check all published hypotheses
2705 hypo_so_i = iter.Value()
2706 attr = hypo_so_i.FindAttribute("AttributeIOR")[1]
2707 if attr is not None:
2708 anIOR = attr.Value()
2709 hypo_o_i = salome.orb.string_to_object(anIOR)
2710 if hypo_o_i is not None:
2711 # Check if this is a hypothesis
2712 hypo_i = hypo_o_i._narrow(SMESH.SMESH_Hypothesis)
2713 if hypo_i is not None:
2714 # Check if the hypothesis belongs to current engine
2715 if smeshpyD.GetObjectId(hypo_i) > 0:
2716 # Check if this is the required hypothesis
2717 if hypo_i.GetName() == hypname:
2719 if CompareMethod(hypo_i, args):
2733 ## Finds the algorithm in the study by its type name.
2734 # Finds only the algorithms, which have been created in smeshpyD engine.
2735 # @return SMESH.SMESH_Algo
2736 def FindAlgorithm (self, algoname, smeshpyD):
2737 study = smeshpyD.GetCurrentStudy()
2738 #to do: find component by smeshpyD object, not by its data type
2739 scomp = study.FindComponent(smeshpyD.ComponentDataType())
2740 if scomp is not None:
2741 res,hypRoot = scomp.FindSubObject(SMESH.Tag_AlgorithmsRoot)
2742 # Check if the root label of the algorithms exists
2743 if res and hypRoot is not None:
2744 iter = study.NewChildIterator(hypRoot)
2745 # Check all published algorithms
2747 algo_so_i = iter.Value()
2748 attr = algo_so_i.FindAttribute("AttributeIOR")[1]
2749 if attr is not None:
2750 anIOR = attr.Value()
2751 algo_o_i = salome.orb.string_to_object(anIOR)
2752 if algo_o_i is not None:
2753 # Check if this is an algorithm
2754 algo_i = algo_o_i._narrow(SMESH.SMESH_Algo)
2755 if algo_i is not None:
2756 # Checks if the algorithm belongs to the current engine
2757 if smeshpyD.GetObjectId(algo_i) > 0:
2758 # Check if this is the required algorithm
2759 if algo_i.GetName() == algoname:
2772 ## If the algorithm is global, returns 0; \n
2773 # else returns the submesh associated to this algorithm.
2774 def GetSubMesh(self):
2777 ## Returns the wrapped mesher.
2778 def GetAlgorithm(self):
2781 ## Gets the list of hypothesis that can be used with this algorithm
2782 def GetCompatibleHypothesis(self):
2785 mylist = self.algo.GetCompatibleHypothesis()
2788 ## Gets the name of the algorithm
2792 ## Sets the name to the algorithm
2793 def SetName(self, name):
2794 SetName(self.algo, name)
2796 ## Gets the id of the algorithm
2798 return self.algo.GetId()
2801 def Create(self, mesh, geom, hypo, so="libStdMeshersEngine.so"):
2803 raise RuntimeError, "Attemp to create " + hypo + " algoritm on None shape"
2804 algo = self.FindAlgorithm(hypo, mesh.smeshpyD)
2806 algo = mesh.smeshpyD.CreateHypothesis(hypo, so)
2808 self.Assign(algo, mesh, geom)
2812 def Assign(self, algo, mesh, geom):
2814 raise RuntimeError, "Attemp to create " + algo + " algoritm on None shape"
2821 name = GetName(geom)
2823 name = mesh.geompyD.SubShapeName(geom, piece)
2824 mesh.geompyD.addToStudyInFather(piece, geom, name)
2825 self.subm = mesh.mesh.GetSubMesh(geom, algo.GetName())
2828 status = mesh.mesh.AddHypothesis(self.geom, self.algo)
2829 TreatHypoStatus( status, algo.GetName(), GetName(self.geom), True )
2831 def CompareHyp (self, hyp, args):
2832 print "CompareHyp is not implemented for ", self.__class__.__name__, ":", hyp.GetName()
2835 def CompareEqualHyp (self, hyp, args):
2839 def Hypothesis (self, hyp, args=[], so="libStdMeshersEngine.so",
2840 UseExisting=0, CompareMethod=""):
2843 if CompareMethod == "": CompareMethod = self.CompareHyp
2844 hypo = self.FindHypothesis(hyp, args, CompareMethod, self.mesh.smeshpyD)
2847 hypo = self.mesh.smeshpyD.CreateHypothesis(hyp, so)
2853 a = a + s + str(args[i])
2857 SetName(hypo, hyp + a)
2859 status = self.mesh.mesh.AddHypothesis(self.geom, hypo)
2860 TreatHypoStatus( status, GetName(hypo), GetName(self.geom), 0 )
2864 # Public class: Mesh_Segment
2865 # --------------------------
2867 ## Class to define a segment 1D algorithm for discretization
2870 # @ingroup l3_algos_basic
2871 class Mesh_Segment(Mesh_Algorithm):
2873 ## Private constructor.
2874 def __init__(self, mesh, geom=0):
2875 Mesh_Algorithm.__init__(self)
2876 self.Create(mesh, geom, "Regular_1D")
2878 ## Defines "LocalLength" hypothesis to cut an edge in several segments with the same length
2879 # @param l for the length of segments that cut an edge
2880 # @param UseExisting if ==true - searches for an existing hypothesis created with
2881 # the same parameters, else (default) - creates a new one
2882 # @param p precision, used for calculation of the number of segments.
2883 # The precision should be a positive, meaningful value within the range [0,1].
2884 # In general, the number of segments is calculated with the formula:
2885 # nb = ceil((edge_length / l) - p)
2886 # Function ceil rounds its argument to the higher integer.
2887 # So, p=0 means rounding of (edge_length / l) to the higher integer,
2888 # p=0.5 means rounding of (edge_length / l) to the nearest integer,
2889 # p=1 means rounding of (edge_length / l) to the lower integer.
2890 # Default value is 1e-07.
2891 # @return an instance of StdMeshers_LocalLength hypothesis
2892 # @ingroup l3_hypos_1dhyps
2893 def LocalLength(self, l, UseExisting=0, p=1e-07):
2894 hyp = self.Hypothesis("LocalLength", [l,p], UseExisting=UseExisting,
2895 CompareMethod=self.CompareLocalLength)
2901 ## Checks if the given "LocalLength" hypothesis has the same parameters as the given arguments
2902 def CompareLocalLength(self, hyp, args):
2903 if IsEqual(hyp.GetLength(), args[0]):
2904 return IsEqual(hyp.GetPrecision(), args[1])
2907 ## Defines "NumberOfSegments" hypothesis to cut an edge in a fixed number of segments
2908 # @param n for the number of segments that cut an edge
2909 # @param s for the scale factor (optional)
2910 # @param UseExisting if ==true - searches for an existing hypothesis created with
2911 # the same parameters, else (default) - create a new one
2912 # @return an instance of StdMeshers_NumberOfSegments hypothesis
2913 # @ingroup l3_hypos_1dhyps
2914 def NumberOfSegments(self, n, s=[], UseExisting=0):
2916 hyp = self.Hypothesis("NumberOfSegments", [n], UseExisting=UseExisting,
2917 CompareMethod=self.CompareNumberOfSegments)
2919 hyp = self.Hypothesis("NumberOfSegments", [n,s], UseExisting=UseExisting,
2920 CompareMethod=self.CompareNumberOfSegments)
2921 hyp.SetDistrType( 1 )
2922 hyp.SetScaleFactor(s)
2923 hyp.SetNumberOfSegments(n)
2927 ## Checks if the given "NumberOfSegments" hypothesis has the same parameters as the given arguments
2928 def CompareNumberOfSegments(self, hyp, args):
2929 if hyp.GetNumberOfSegments() == args[0]:
2933 if hyp.GetDistrType() == 1:
2934 if IsEqual(hyp.GetScaleFactor(), args[1]):
2938 ## Defines "Arithmetic1D" hypothesis to cut an edge in several segments with increasing arithmetic length
2939 # @param start defines the length of the first segment
2940 # @param end defines the length of the last segment
2941 # @param UseExisting if ==true - searches for an existing hypothesis created with
2942 # the same parameters, else (default) - creates a new one
2943 # @return an instance of StdMeshers_Arithmetic1D hypothesis
2944 # @ingroup l3_hypos_1dhyps
2945 def Arithmetic1D(self, start, end, UseExisting=0):
2946 hyp = self.Hypothesis("Arithmetic1D", [start, end], UseExisting=UseExisting,
2947 CompareMethod=self.CompareArithmetic1D)
2948 hyp.SetLength(start, 1)
2949 hyp.SetLength(end , 0)
2953 ## Check if the given "Arithmetic1D" hypothesis has the same parameters as the given arguments
2954 def CompareArithmetic1D(self, hyp, args):
2955 if IsEqual(hyp.GetLength(1), args[0]):
2956 if IsEqual(hyp.GetLength(0), args[1]):
2960 ## Defines "StartEndLength" hypothesis to cut an edge in several segments with increasing geometric length
2961 # @param start defines the length of the first segment
2962 # @param end defines the length of the last segment
2963 # @param UseExisting if ==true - searches for an existing hypothesis created with
2964 # the same parameters, else (default) - creates a new one
2965 # @return an instance of StdMeshers_StartEndLength hypothesis
2966 # @ingroup l3_hypos_1dhyps
2967 def StartEndLength(self, start, end, UseExisting=0):
2968 hyp = self.Hypothesis("StartEndLength", [start, end], UseExisting=UseExisting,
2969 CompareMethod=self.CompareStartEndLength)
2970 hyp.SetLength(start, 1)
2971 hyp.SetLength(end , 0)
2974 ## Check if the given "StartEndLength" hypothesis has the same parameters as the given arguments
2975 def CompareStartEndLength(self, hyp, args):
2976 if IsEqual(hyp.GetLength(1), args[0]):
2977 if IsEqual(hyp.GetLength(0), args[1]):
2981 ## Defines "Deflection1D" hypothesis
2982 # @param d for the deflection
2983 # @param UseExisting if ==true - searches for an existing hypothesis created with
2984 # the same parameters, else (default) - create a new one
2985 # @ingroup l3_hypos_1dhyps
2986 def Deflection1D(self, d, UseExisting=0):
2987 hyp = self.Hypothesis("Deflection1D", [d], UseExisting=UseExisting,
2988 CompareMethod=self.CompareDeflection1D)
2989 hyp.SetDeflection(d)
2992 ## Check if the given "Deflection1D" hypothesis has the same parameters as the given arguments
2993 def CompareDeflection1D(self, hyp, args):
2994 return IsEqual(hyp.GetDeflection(), args[0])
2996 ## Defines "Propagation" hypothesis that propagates all other hypotheses on all other edges that are at
2997 # the opposite side in case of quadrangular faces
2998 # @ingroup l3_hypos_additi
2999 def Propagation(self):
3000 return self.Hypothesis("Propagation", UseExisting=1, CompareMethod=self.CompareEqualHyp)
3002 ## Defines "AutomaticLength" hypothesis
3003 # @param fineness for the fineness [0-1]
3004 # @param UseExisting if ==true - searches for an existing hypothesis created with the
3005 # same parameters, else (default) - create a new one
3006 # @ingroup l3_hypos_1dhyps
3007 def AutomaticLength(self, fineness=0, UseExisting=0):
3008 hyp = self.Hypothesis("AutomaticLength",[fineness],UseExisting=UseExisting,
3009 CompareMethod=self.CompareAutomaticLength)
3010 hyp.SetFineness( fineness )
3013 ## Checks if the given "AutomaticLength" hypothesis has the same parameters as the given arguments
3014 def CompareAutomaticLength(self, hyp, args):
3015 return IsEqual(hyp.GetFineness(), args[0])
3017 ## Defines "SegmentLengthAroundVertex" hypothesis
3018 # @param length for the segment length
3019 # @param vertex for the length localization: the vertex index [0,1] | vertex object.
3020 # Any other integer value means that the hypothesis will be set on the
3021 # whole 1D shape, where Mesh_Segment algorithm is assigned.
3022 # @param UseExisting if ==true - searches for an existing hypothesis created with
3023 # the same parameters, else (default) - creates a new one
3024 # @ingroup l3_algos_segmarv
3025 def LengthNearVertex(self, length, vertex=0, UseExisting=0):
3027 store_geom = self.geom
3028 if type(vertex) is types.IntType:
3029 if vertex == 0 or vertex == 1:
3030 vertex = self.mesh.geompyD.SubShapeAllSorted(self.geom, geompyDC.ShapeType["VERTEX"])[vertex]
3038 if self.geom is None:
3039 raise RuntimeError, "Attemp to create SegmentAroundVertex_0D algoritm on None shape"
3040 name = GetName(self.geom)
3042 piece = self.mesh.geom
3043 name = self.mesh.geompyD.SubShapeName(self.geom, piece)
3044 self.mesh.geompyD.addToStudyInFather(piece, self.geom, name)
3045 algo = self.FindAlgorithm("SegmentAroundVertex_0D", self.mesh.smeshpyD)
3047 algo = self.mesh.smeshpyD.CreateHypothesis("SegmentAroundVertex_0D", "libStdMeshersEngine.so")
3049 status = self.mesh.mesh.AddHypothesis(self.geom, algo)
3050 TreatHypoStatus(status, "SegmentAroundVertex_0D", name, True)
3052 hyp = self.Hypothesis("SegmentLengthAroundVertex", [length], UseExisting=UseExisting,
3053 CompareMethod=self.CompareLengthNearVertex)
3054 self.geom = store_geom
3055 hyp.SetLength( length )
3058 ## Checks if the given "LengthNearVertex" hypothesis has the same parameters as the given arguments
3059 # @ingroup l3_algos_segmarv
3060 def CompareLengthNearVertex(self, hyp, args):
3061 return IsEqual(hyp.GetLength(), args[0])
3063 ## Defines "QuadraticMesh" hypothesis, forcing construction of quadratic edges.
3064 # If the 2D mesher sees that all boundary edges are quadratic,
3065 # it generates quadratic faces, else it generates linear faces using
3066 # medium nodes as if they are vertices.
3067 # The 3D mesher generates quadratic volumes only if all boundary faces
3068 # are quadratic, else it fails.
3070 # @ingroup l3_hypos_additi
3071 def QuadraticMesh(self):
3072 hyp = self.Hypothesis("QuadraticMesh", UseExisting=1, CompareMethod=self.CompareEqualHyp)
3075 # Public class: Mesh_CompositeSegment
3076 # --------------------------
3078 ## Defines a segment 1D algorithm for discretization
3080 # @ingroup l3_algos_basic
3081 class Mesh_CompositeSegment(Mesh_Segment):
3083 ## Private constructor.
3084 def __init__(self, mesh, geom=0):
3085 self.Create(mesh, geom, "CompositeSegment_1D")
3088 # Public class: Mesh_Segment_Python
3089 # ---------------------------------
3091 ## Defines a segment 1D algorithm for discretization with python function
3093 # @ingroup l3_algos_basic
3094 class Mesh_Segment_Python(Mesh_Segment):
3096 ## Private constructor.
3097 def __init__(self, mesh, geom=0):
3098 import Python1dPlugin
3099 self.Create(mesh, geom, "Python_1D", "libPython1dEngine.so")
3101 ## Defines "PythonSplit1D" hypothesis
3102 # @param n for the number of segments that cut an edge
3103 # @param func for the python function that calculates the length of all segments
3104 # @param UseExisting if ==true - searches for the existing hypothesis created with
3105 # the same parameters, else (default) - creates a new one
3106 # @ingroup l3_hypos_1dhyps
3107 def PythonSplit1D(self, n, func, UseExisting=0):
3108 hyp = self.Hypothesis("PythonSplit1D", [n], "libPython1dEngine.so",
3109 UseExisting=UseExisting, CompareMethod=self.ComparePythonSplit1D)
3110 hyp.SetNumberOfSegments(n)
3111 hyp.SetPythonLog10RatioFunction(func)
3114 ## Checks if the given "PythonSplit1D" hypothesis has the same parameters as the given arguments
3115 def ComparePythonSplit1D(self, hyp, args):
3116 #if hyp.GetNumberOfSegments() == args[0]:
3117 # if hyp.GetPythonLog10RatioFunction() == args[1]:
3121 # Public class: Mesh_Triangle
3122 # ---------------------------
3124 ## Defines a triangle 2D algorithm
3126 # @ingroup l3_algos_basic
3127 class Mesh_Triangle(Mesh_Algorithm):
3136 ## Private constructor.
3137 def __init__(self, mesh, algoType, geom=0):
3138 Mesh_Algorithm.__init__(self)
3140 self.algoType = algoType
3141 if algoType == MEFISTO:
3142 self.Create(mesh, geom, "MEFISTO_2D")
3144 elif algoType == BLSURF:
3146 self.Create(mesh, geom, "BLSURF", "libBLSURFEngine.so")
3147 #self.SetPhysicalMesh() - PAL19680
3148 elif algoType == NETGEN:
3150 print "Warning: NETGENPlugin module unavailable"
3152 self.Create(mesh, geom, "NETGEN_2D", "libNETGENEngine.so")
3154 elif algoType == NETGEN_2D:
3156 print "Warning: NETGENPlugin module unavailable"
3158 self.Create(mesh, geom, "NETGEN_2D_ONLY", "libNETGENEngine.so")
3161 ## Defines "MaxElementArea" hypothesis basing on the definition of the maximum area of each triangle
3162 # @param area for the maximum area of each triangle
3163 # @param UseExisting if ==true - searches for an existing hypothesis created with the
3164 # same parameters, else (default) - creates a new one
3166 # Only for algoType == MEFISTO || NETGEN_2D
3167 # @ingroup l3_hypos_2dhyps
3168 def MaxElementArea(self, area, UseExisting=0):
3169 if self.algoType == MEFISTO or self.algoType == NETGEN_2D:
3170 hyp = self.Hypothesis("MaxElementArea", [area], UseExisting=UseExisting,
3171 CompareMethod=self.CompareMaxElementArea)
3172 hyp.SetMaxElementArea(area)
3174 elif self.algoType == NETGEN:
3175 print "Netgen 1D-2D algo doesn't support this hypothesis"
3178 ## Checks if the given "MaxElementArea" hypothesis has the same parameters as the given arguments
3179 def CompareMaxElementArea(self, hyp, args):
3180 return IsEqual(hyp.GetMaxElementArea(), args[0])
3182 ## Defines "LengthFromEdges" hypothesis to build triangles
3183 # based on the length of the edges taken from the wire
3185 # Only for algoType == MEFISTO || NETGEN_2D
3186 # @ingroup l3_hypos_2dhyps
3187 def LengthFromEdges(self):
3188 if self.algoType == MEFISTO or self.algoType == NETGEN_2D:
3189 hyp = self.Hypothesis("LengthFromEdges", UseExisting=1, CompareMethod=self.CompareEqualHyp)
3191 elif self.algoType == NETGEN:
3192 print "Netgen 1D-2D algo doesn't support this hypothesis"
3195 ## Sets a way to define size of mesh elements to generate
3196 # @param thePhysicalMesh is: DefaultSize or Custom
3197 # Parameter of BLSURF algo
3198 # @ingroup l3_hypos_blsurf
3199 def SetPhysicalMesh(self, thePhysicalMesh=DefaultSize):
3200 if self.params == 0:
3202 self.params.SetPhysicalMesh(thePhysicalMesh)
3204 ## Sets size of mesh elements to generate
3205 # Parameter of BLSURF algo
3206 # @ingroup l3_hypos_blsurf
3207 def SetPhySize(self, theVal):
3208 if self.params == 0:
3210 self.params.SetPhySize(theVal)
3212 ## Sets lower boundary of mesh element size (PhySize)
3213 # Parameter of BLSURF algo
3214 # @ingroup l3_hypos_blsurf
3215 def SetPhyMin(self, theVal=-1):
3216 if self.params == 0:
3218 self.params.SetPhyMin(theVal)
3220 ## Sets upper boundary of mesh element size (PhySize)
3221 # Parameter of BLSURF algo
3222 # @ingroup l3_hypos_blsurf
3223 def SetPhyMax(self, theVal=-1):
3224 if self.params == 0:
3226 self.params.SetPhyMax(theVal)
3228 ## Sets a way to define maximum angular deflection of mesh from CAD model
3229 # @param theGeometricMesh is: DefaultGeom or Custom
3230 # Parameter of BLSURF algo
3231 # @ingroup l3_hypos_blsurf
3232 def SetGeometricMesh(self, theGeometricMesh=0):
3233 if self.params == 0:
3235 if self.params.GetPhysicalMesh() == 0: theGeometricMesh = 1
3236 self.params.SetGeometricMesh(theGeometricMesh)
3238 ## Sets angular deflection (in degrees) of a mesh face from CAD surface
3239 # Parameter of BLSURF algo
3240 # @ingroup l3_hypos_blsurf
3241 def SetAngleMeshS(self, theVal=_angleMeshS):
3242 if self.params == 0:
3244 if self.params.GetGeometricMesh() == 0: theVal = self._angleMeshS
3245 self.params.SetAngleMeshS(theVal)
3247 ## Sets angular deflection (in degrees) of a mesh edge from CAD curve
3248 # Parameter of BLSURF algo
3249 # @ingroup l3_hypos_blsurf
3250 def SetAngleMeshC(self, theVal=_angleMeshS):
3251 if self.params == 0:
3253 if self.params.GetGeometricMesh() == 0: theVal = self._angleMeshS
3254 self.params.SetAngleMeshC(theVal)
3256 ## Sets lower boundary of mesh element size computed to respect angular deflection
3257 # Parameter of BLSURF algo
3258 # @ingroup l3_hypos_blsurf
3259 def SetGeoMin(self, theVal=-1):
3260 if self.params == 0:
3262 self.params.SetGeoMin(theVal)
3264 ## Sets upper boundary of mesh element size computed to respect angular deflection
3265 # Parameter of BLSURF algo
3266 # @ingroup l3_hypos_blsurf
3267 def SetGeoMax(self, theVal=-1):
3268 if self.params == 0:
3270 self.params.SetGeoMax(theVal)
3272 ## Sets maximal allowed ratio between the lengths of two adjacent edges
3273 # Parameter of BLSURF algo
3274 # @ingroup l3_hypos_blsurf
3275 def SetGradation(self, theVal=_gradation):
3276 if self.params == 0:
3278 if self.params.GetGeometricMesh() == 0: theVal = self._gradation
3279 self.params.SetGradation(theVal)
3281 ## Sets topology usage way defining how mesh conformity is assured:
3282 # FromCAD, PreProcess or PreProcessPlus
3283 # FromCAD - mesh conformity is assured by conformity of a shape
3284 # PreProcess or PreProcessPlus - by pre-processing a CAD model
3285 # Parameter of BLSURF algo
3286 # @ingroup l3_hypos_blsurf
3287 def SetTopology(self, way):
3288 if self.params == 0:
3290 self.params.SetTopology(way)
3292 ## To respect geometrical edges or not
3293 # Parameter of BLSURF algo
3294 # @ingroup l3_hypos_blsurf
3295 def SetDecimesh(self, toIgnoreEdges=False):
3296 if self.params == 0:
3298 self.params.SetDecimesh(toIgnoreEdges)
3300 ## Sets verbosity level in the range 0 to 100.
3301 # Parameter of BLSURF algo
3302 # @ingroup l3_hypos_blsurf
3303 def SetVerbosity(self, level):
3304 if self.params == 0:
3306 self.params.SetVerbosity(level)
3308 ## Sets advanced option value
3309 # Parameter of BLSURF algo
3310 # @ingroup l3_hypos_blsurf
3311 def SetOptionValue(self, optionName, value):
3312 if self.params == 0:
3314 self.params.SetOptionValue(optionName,level)
3316 ## Sets QuadAllowed flag
3318 # Only for algoType == NETGEN || NETGEN_2D || BLSURF
3319 # @ingroup l3_hypos_netgen l3_hypos_blsurf
3320 def SetQuadAllowed(self, toAllow=True):
3321 if self.algoType == NETGEN_2D:
3322 if toAllow: # add QuadranglePreference
3323 self.Hypothesis("QuadranglePreference", UseExisting=1, CompareMethod=self.CompareEqualHyp)
3324 else: # remove QuadranglePreference
3325 for hyp in self.mesh.GetHypothesisList( self.geom ):
3326 if hyp.GetName() == "QuadranglePreference":
3327 self.mesh.RemoveHypothesis( self.geom, hyp )
3332 if self.params == 0:
3335 self.params.SetQuadAllowed(toAllow)
3338 ## Defines "Netgen 2D Parameters" hypothesis
3340 # Only for algoType == NETGEN
3341 # @ingroup l3_hypos_netgen
3342 def Parameters(self):
3345 if self.algoType == NETGEN:
3346 self.params = self.Hypothesis("NETGEN_Parameters_2D", [],
3347 "libNETGENEngine.so", UseExisting=0)
3349 elif self.algoType == MEFISTO:
3350 print "Mefisto algo doesn't support NETGEN_Parameters_2D hypothesis"
3352 elif self.algoType == NETGEN_2D:
3353 print "NETGEN_2D_ONLY algo doesn't support 'NETGEN_Parameters_2D' hypothesis"
3354 print "NETGEN_2D_ONLY uses 'MaxElementArea' and 'LengthFromEdges' ones"
3356 elif self.algoType == BLSURF:
3357 self.params = self.Hypothesis("BLSURF_Parameters", [],
3358 "libBLSURFEngine.so", UseExisting=0)
3364 # Only for algoType == NETGEN
3365 # @ingroup l3_hypos_netgen
3366 def SetMaxSize(self, theSize):
3367 if self.params == 0:
3369 if self.params is not None:
3370 self.params.SetMaxSize(theSize)
3372 ## Sets SecondOrder flag
3374 # Only for algoType == NETGEN
3375 # @ingroup l3_hypos_netgen
3376 def SetSecondOrder(self, theVal):
3377 if self.params == 0:
3379 if self.params is not None:
3380 self.params.SetSecondOrder(theVal)
3382 ## Sets Optimize flag
3384 # Only for algoType == NETGEN
3385 # @ingroup l3_hypos_netgen
3386 def SetOptimize(self, theVal):
3387 if self.params == 0:
3389 if self.params is not None:
3390 self.params.SetOptimize(theVal)
3393 # @param theFineness is:
3394 # VeryCoarse, Coarse, Moderate, Fine, VeryFine or Custom
3396 # Only for algoType == NETGEN
3397 # @ingroup l3_hypos_netgen
3398 def SetFineness(self, theFineness):
3399 if self.params == 0:
3401 if self.params is not None:
3402 self.params.SetFineness(theFineness)
3406 # Only for algoType == NETGEN
3407 # @ingroup l3_hypos_netgen
3408 def SetGrowthRate(self, theRate):
3409 if self.params == 0:
3411 if self.params is not None:
3412 self.params.SetGrowthRate(theRate)
3414 ## Sets NbSegPerEdge
3416 # Only for algoType == NETGEN
3417 # @ingroup l3_hypos_netgen
3418 def SetNbSegPerEdge(self, theVal):
3419 if self.params == 0:
3421 if self.params is not None:
3422 self.params.SetNbSegPerEdge(theVal)
3424 ## Sets NbSegPerRadius
3426 # Only for algoType == NETGEN
3427 # @ingroup l3_hypos_netgen
3428 def SetNbSegPerRadius(self, theVal):
3429 if self.params == 0:
3431 if self.params is not None:
3432 self.params.SetNbSegPerRadius(theVal)
3437 # Public class: Mesh_Quadrangle
3438 # -----------------------------
3440 ## Defines a quadrangle 2D algorithm
3442 # @ingroup l3_algos_basic
3443 class Mesh_Quadrangle(Mesh_Algorithm):
3445 ## Private constructor.
3446 def __init__(self, mesh, geom=0):
3447 Mesh_Algorithm.__init__(self)
3448 self.Create(mesh, geom, "Quadrangle_2D")
3450 ## Defines "QuadranglePreference" hypothesis, forcing construction
3451 # of quadrangles if the number of nodes on the opposite edges is not the same
3452 # while the total number of nodes on edges is even
3454 # @ingroup l3_hypos_additi
3455 def QuadranglePreference(self):
3456 hyp = self.Hypothesis("QuadranglePreference", UseExisting=1,
3457 CompareMethod=self.CompareEqualHyp)
3460 # Public class: Mesh_Tetrahedron
3461 # ------------------------------
3463 ## Defines a tetrahedron 3D algorithm
3465 # @ingroup l3_algos_basic
3466 class Mesh_Tetrahedron(Mesh_Algorithm):
3471 ## Private constructor.
3472 def __init__(self, mesh, algoType, geom=0):
3473 Mesh_Algorithm.__init__(self)
3475 if algoType == NETGEN:
3476 self.Create(mesh, geom, "NETGEN_3D", "libNETGENEngine.so")
3479 elif algoType == FULL_NETGEN:
3481 print "Warning: NETGENPlugin module has not been imported."
3482 self.Create(mesh, geom, "NETGEN_2D3D", "libNETGENEngine.so")
3485 elif algoType == GHS3D:
3487 self.Create(mesh, geom, "GHS3D_3D" , "libGHS3DEngine.so")
3490 self.algoType = algoType
3492 ## Defines "MaxElementVolume" hypothesis to give the maximun volume of each tetrahedron
3493 # @param vol for the maximum volume of each tetrahedron
3494 # @param UseExisting if ==true - searches for the existing hypothesis created with
3495 # the same parameters, else (default) - creates a new one
3496 # @ingroup l3_hypos_maxvol
3497 def MaxElementVolume(self, vol, UseExisting=0):
3498 hyp = self.Hypothesis("MaxElementVolume", [vol], UseExisting=UseExisting,
3499 CompareMethod=self.CompareMaxElementVolume)
3500 hyp.SetMaxElementVolume(vol)
3503 ## Checks if the given "MaxElementVolume" hypothesis has the same parameters as the given arguments
3504 def CompareMaxElementVolume(self, hyp, args):
3505 return IsEqual(hyp.GetMaxElementVolume(), args[0])
3507 ## Defines "Netgen 3D Parameters" hypothesis
3508 # @ingroup l3_hypos_netgen
3509 def Parameters(self):
3510 if (self.algoType == FULL_NETGEN):
3511 self.params = self.Hypothesis("NETGEN_Parameters", [],
3512 "libNETGENEngine.so", UseExisting=0)
3514 if (self.algoType == GHS3D):
3515 self.params = self.Hypothesis("GHS3D_Parameters", [],
3516 "libGHS3DEngine.so", UseExisting=0)
3519 print "Algo doesn't support this hypothesis"
3523 # Parameter of FULL_NETGEN
3524 # @ingroup l3_hypos_netgen
3525 def SetMaxSize(self, theSize):
3526 if self.params == 0:
3528 self.params.SetMaxSize(theSize)
3530 ## Sets SecondOrder flag
3531 # Parameter of FULL_NETGEN
3532 # @ingroup l3_hypos_netgen
3533 def SetSecondOrder(self, theVal):
3534 if self.params == 0:
3536 self.params.SetSecondOrder(theVal)
3538 ## Sets Optimize flag
3539 # Parameter of FULL_NETGEN
3540 # @ingroup l3_hypos_netgen
3541 def SetOptimize(self, theVal):
3542 if self.params == 0:
3544 self.params.SetOptimize(theVal)
3547 # @param theFineness is:
3548 # VeryCoarse, Coarse, Moderate, Fine, VeryFine or Custom
3549 # Parameter of FULL_NETGEN
3550 # @ingroup l3_hypos_netgen
3551 def SetFineness(self, theFineness):
3552 if self.params == 0:
3554 self.params.SetFineness(theFineness)
3557 # Parameter of FULL_NETGEN
3558 # @ingroup l3_hypos_netgen
3559 def SetGrowthRate(self, theRate):
3560 if self.params == 0:
3562 self.params.SetGrowthRate(theRate)
3564 ## Sets NbSegPerEdge
3565 # Parameter of FULL_NETGEN
3566 # @ingroup l3_hypos_netgen
3567 def SetNbSegPerEdge(self, theVal):
3568 if self.params == 0:
3570 self.params.SetNbSegPerEdge(theVal)
3572 ## Sets NbSegPerRadius
3573 # Parameter of FULL_NETGEN
3574 # @ingroup l3_hypos_netgen
3575 def SetNbSegPerRadius(self, theVal):
3576 if self.params == 0:
3578 self.params.SetNbSegPerRadius(theVal)
3580 ## To mesh "holes" in a solid or not. Default is to mesh.
3581 # Parameter of GHS3D
3582 # @ingroup l3_hypos_ghs3dh
3583 def SetToMeshHoles(self, toMesh):
3584 if self.params == 0: self.Parameters()
3585 self.params.SetToMeshHoles(toMesh)
3587 ## Set Optimization level:
3588 # None_Optimization, Light_Optimization, Medium_Optimization, Strong_Optimization.
3589 # Default is Medium_Optimization
3590 # Parameter of GHS3D
3591 # @ingroup l3_hypos_ghs3dh
3592 def SetOptimizationLevel(self, level):
3593 if self.params == 0: self.Parameters()
3594 self.params.SetOptimizationLevel(level)
3596 ## Maximal size of memory to be used by the algorithm (in Megabytes).
3597 # Advanced parameter of GHS3D
3598 # @ingroup l3_hypos_ghs3dh
3599 def SetMaximumMemory(self, MB):
3600 if self.params == 0: self.Parameters()
3601 self.params.SetMaximumMemory(MB)
3603 ## Initial size of memory to be used by the algorithm (in Megabytes) in
3604 # automatic memory adjustment mode
3605 # Advanced parameter of GHS3D
3606 # @ingroup l3_hypos_ghs3dh
3607 def SetInitialMemory(self, MB):
3608 if self.params == 0: self.Parameters()
3609 self.params.SetInitialMemory(MB)
3611 ## Path to working directory
3612 # Advanced parameter of GHS3D
3613 # @ingroup l3_hypos_ghs3dh
3614 def SetWorkingDirectory(self, path):
3615 if self.params == 0: self.Parameters()
3616 self.params.SetWorkingDirectory(path)
3618 ## To keep working files or remove them. Log file remains in case of errors anyway
3619 # Advanced parameter of GHS3D
3620 # @ingroup l3_hypos_ghs3dh
3621 def SetKeepFiles(self, toKeep):
3622 if self.params == 0: self.Parameters()
3623 self.params.SetKeepFiles(toKeep)
3625 ## To set verbose level [0-10]
3626 # 0 - no standard output,
3627 # 2 - prints the data, quality statistics of the skin and final meshes and
3628 # indicates when the final mesh is being saved. In addition the software
3629 # gives indication regarding the CPU time.
3630 # 10 - same as 2 plus the main steps in the computation, quality statistics
3631 # histogram of the skin mesh, quality statistics histogram together with
3632 # the characteristics of the final mesh.
3633 # Advanced parameter of GHS3D
3634 # @ingroup l3_hypos_ghs3dh
3635 def SetVerboseLevel(self, level):
3636 if self.params == 0: self.Parameters()
3637 self.params.SetVerboseLevel(level)
3639 ## To create new nodes
3640 # Advanced parameter of GHS3D
3641 # @ingroup l3_hypos_ghs3dh
3642 def SetToCreateNewNodes(self, toCreate):
3643 if self.params == 0: self.Parameters()
3644 self.params.SetToCreateNewNodes(toCreate)
3646 ## To use boundary recovery version which tries to create mesh on a very poor
3647 # quality surface mesh
3648 # Advanced parameter of GHS3D
3649 # @ingroup l3_hypos_ghs3dh
3650 def SetToUseBoundaryRecoveryVersion(self, toUse):
3651 if self.params == 0: self.Parameters()
3652 self.params.SetToUseBoundaryRecoveryVersion(toUse)
3654 ## To set hidden/undocumented/advanced options
3655 # Advanced parameter of GHS3D
3656 # @ingroup l3_hypos_ghs3dh
3657 def SetTextOption(self, option):
3658 if self.params == 0: self.Parameters()
3659 self.params.SetTextOption(option)
3661 # Public class: Mesh_Hexahedron
3662 # ------------------------------
3664 ## Defines a hexahedron 3D algorithm
3666 # @ingroup l3_algos_basic
3667 class Mesh_Hexahedron(Mesh_Algorithm):
3672 ## Private constructor.
3673 def __init__(self, mesh, algoType=Hexa, geom=0):
3674 Mesh_Algorithm.__init__(self)
3676 self.algoType = algoType
3678 if algoType == Hexa:
3679 self.Create(mesh, geom, "Hexa_3D")
3682 elif algoType == Hexotic:
3683 import HexoticPlugin
3684 self.Create(mesh, geom, "Hexotic_3D", "libHexoticEngine.so")
3687 ## Defines "MinMaxQuad" hypothesis to give three hexotic parameters
3688 # @ingroup l3_hypos_hexotic
3689 def MinMaxQuad(self, min=3, max=8, quad=True):
3690 self.params = self.Hypothesis("Hexotic_Parameters", [], "libHexoticEngine.so",
3692 self.params.SetHexesMinLevel(min)
3693 self.params.SetHexesMaxLevel(max)
3694 self.params.SetHexoticQuadrangles(quad)
3697 # Deprecated, only for compatibility!
3698 # Public class: Mesh_Netgen
3699 # ------------------------------
3701 ## Defines a NETGEN-based 2D or 3D algorithm
3702 # that needs no discrete boundary (i.e. independent)
3704 # This class is deprecated, only for compatibility!
3707 # @ingroup l3_algos_basic
3708 class Mesh_Netgen(Mesh_Algorithm):
3712 ## Private constructor.
3713 def __init__(self, mesh, is3D, geom=0):
3714 Mesh_Algorithm.__init__(self)
3717 print "Warning: NETGENPlugin module has not been imported."
3721 self.Create(mesh, geom, "NETGEN_2D3D", "libNETGENEngine.so")
3725 self.Create(mesh, geom, "NETGEN_2D", "libNETGENEngine.so")
3728 ## Defines the hypothesis containing parameters of the algorithm
3729 def Parameters(self):
3731 hyp = self.Hypothesis("NETGEN_Parameters", [],
3732 "libNETGENEngine.so", UseExisting=0)
3734 hyp = self.Hypothesis("NETGEN_Parameters_2D", [],
3735 "libNETGENEngine.so", UseExisting=0)
3738 # Public class: Mesh_Projection1D
3739 # ------------------------------
3741 ## Defines a projection 1D algorithm
3742 # @ingroup l3_algos_proj
3744 class Mesh_Projection1D(Mesh_Algorithm):
3746 ## Private constructor.
3747 def __init__(self, mesh, geom=0):
3748 Mesh_Algorithm.__init__(self)
3749 self.Create(mesh, geom, "Projection_1D")
3751 ## Defines "Source Edge" hypothesis, specifying a meshed edge, from where
3752 # a mesh pattern is taken, and, optionally, the association of vertices
3753 # between the source edge and a target edge (to which a hypothesis is assigned)
3754 # @param edge from which nodes distribution is taken
3755 # @param mesh from which nodes distribution is taken (optional)
3756 # @param srcV a vertex of \a edge to associate with \a tgtV (optional)
3757 # @param tgtV a vertex of \a the edge to which the algorithm is assigned,
3758 # to associate with \a srcV (optional)
3759 # @param UseExisting if ==true - searches for the existing hypothesis created with
3760 # the same parameters, else (default) - creates a new one
3761 def SourceEdge(self, edge, mesh=None, srcV=None, tgtV=None, UseExisting=0):
3762 hyp = self.Hypothesis("ProjectionSource1D", [edge,mesh,srcV,tgtV],
3764 #UseExisting=UseExisting, CompareMethod=self.CompareSourceEdge)
3765 hyp.SetSourceEdge( edge )
3766 if not mesh is None and isinstance(mesh, Mesh):
3767 mesh = mesh.GetMesh()
3768 hyp.SetSourceMesh( mesh )
3769 hyp.SetVertexAssociation( srcV, tgtV )
3772 ## Checks if the given "SourceEdge" hypothesis has the same parameters as the given arguments
3773 #def CompareSourceEdge(self, hyp, args):
3774 # # it does not seem to be useful to reuse the existing "SourceEdge" hypothesis
3778 # Public class: Mesh_Projection2D
3779 # ------------------------------
3781 ## Defines a projection 2D algorithm
3782 # @ingroup l3_algos_proj
3784 class Mesh_Projection2D(Mesh_Algorithm):
3786 ## Private constructor.
3787 def __init__(self, mesh, geom=0):
3788 Mesh_Algorithm.__init__(self)
3789 self.Create(mesh, geom, "Projection_2D")
3791 ## Defines "Source Face" hypothesis, specifying a meshed face, from where
3792 # a mesh pattern is taken, and, optionally, the association of vertices
3793 # between the source face and the target face (to which a hypothesis is assigned)
3794 # @param face from which the mesh pattern is taken
3795 # @param mesh from which the mesh pattern is taken (optional)
3796 # @param srcV1 a vertex of \a face to associate with \a tgtV1 (optional)
3797 # @param tgtV1 a vertex of \a the face to which the algorithm is assigned,
3798 # to associate with \a srcV1 (optional)
3799 # @param srcV2 a vertex of \a face to associate with \a tgtV1 (optional)
3800 # @param tgtV2 a vertex of \a the face to which the algorithm is assigned,
3801 # to associate with \a srcV2 (optional)
3802 # @param UseExisting if ==true - forces the search for the existing hypothesis created with
3803 # the same parameters, else (default) - forces the creation a new one
3805 # Note: all association vertices must belong to one edge of a face
3806 def SourceFace(self, face, mesh=None, srcV1=None, tgtV1=None,
3807 srcV2=None, tgtV2=None, UseExisting=0):
3808 hyp = self.Hypothesis("ProjectionSource2D", [face,mesh,srcV1,tgtV1,srcV2,tgtV2],
3810 #UseExisting=UseExisting, CompareMethod=self.CompareSourceFace)
3811 hyp.SetSourceFace( face )
3812 if not mesh is None and isinstance(mesh, Mesh):
3813 mesh = mesh.GetMesh()
3814 hyp.SetSourceMesh( mesh )
3815 hyp.SetVertexAssociation( srcV1, srcV2, tgtV1, tgtV2 )
3818 ## Checks if the given "SourceFace" hypothesis has the same parameters as the given arguments
3819 #def CompareSourceFace(self, hyp, args):
3820 # # it does not seem to be useful to reuse the existing "SourceFace" hypothesis
3823 # Public class: Mesh_Projection3D
3824 # ------------------------------
3826 ## Defines a projection 3D algorithm
3827 # @ingroup l3_algos_proj
3829 class Mesh_Projection3D(Mesh_Algorithm):
3831 ## Private constructor.
3832 def __init__(self, mesh, geom=0):
3833 Mesh_Algorithm.__init__(self)
3834 self.Create(mesh, geom, "Projection_3D")
3836 ## Defines the "Source Shape 3D" hypothesis, specifying a meshed solid, from where
3837 # the mesh pattern is taken, and, optionally, the association of vertices
3838 # between the source and the target solid (to which a hipothesis is assigned)
3839 # @param solid from where the mesh pattern is taken
3840 # @param mesh from where the mesh pattern is taken (optional)
3841 # @param srcV1 a vertex of \a solid to associate with \a tgtV1 (optional)
3842 # @param tgtV1 a vertex of \a the solid where the algorithm is assigned,
3843 # to associate with \a srcV1 (optional)
3844 # @param srcV2 a vertex of \a solid to associate with \a tgtV1 (optional)
3845 # @param tgtV2 a vertex of \a the solid to which the algorithm is assigned,
3846 # to associate with \a srcV2 (optional)
3847 # @param UseExisting - if ==true - searches for the existing hypothesis created with
3848 # the same parameters, else (default) - creates a new one
3850 # Note: association vertices must belong to one edge of a solid
3851 def SourceShape3D(self, solid, mesh=0, srcV1=0, tgtV1=0,
3852 srcV2=0, tgtV2=0, UseExisting=0):
3853 hyp = self.Hypothesis("ProjectionSource3D",
3854 [solid,mesh,srcV1,tgtV1,srcV2,tgtV2],
3856 #UseExisting=UseExisting, CompareMethod=self.CompareSourceShape3D)
3857 hyp.SetSource3DShape( solid )
3858 if not mesh is None and isinstance(mesh, Mesh):
3859 mesh = mesh.GetMesh()
3860 hyp.SetSourceMesh( mesh )
3861 hyp.SetVertexAssociation( srcV1, srcV2, tgtV1, tgtV2 )
3864 ## Checks if the given "SourceShape3D" hypothesis has the same parameters as given arguments
3865 #def CompareSourceShape3D(self, hyp, args):
3866 # # seems to be not really useful to reuse existing "SourceShape3D" hypothesis
3870 # Public class: Mesh_Prism
3871 # ------------------------
3873 ## Defines a 3D extrusion algorithm
3874 # @ingroup l3_algos_3dextr
3876 class Mesh_Prism3D(Mesh_Algorithm):
3878 ## Private constructor.
3879 def __init__(self, mesh, geom=0):
3880 Mesh_Algorithm.__init__(self)
3881 self.Create(mesh, geom, "Prism_3D")
3883 # Public class: Mesh_RadialPrism
3884 # -------------------------------
3886 ## Defines a Radial Prism 3D algorithm
3887 # @ingroup l3_algos_radialp
3889 class Mesh_RadialPrism3D(Mesh_Algorithm):
3891 ## Private constructor.
3892 def __init__(self, mesh, geom=0):
3893 Mesh_Algorithm.__init__(self)
3894 self.Create(mesh, geom, "RadialPrism_3D")
3896 self.distribHyp = self.Hypothesis("LayerDistribution", UseExisting=0)
3897 self.nbLayers = None
3899 ## Return 3D hypothesis holding the 1D one
3900 def Get3DHypothesis(self):
3901 return self.distribHyp
3903 ## Private method creating a 1D hypothesis and storing it in the LayerDistribution
3904 # hypothesis. Returns the created hypothesis
3905 def OwnHypothesis(self, hypType, args=[], so="libStdMeshersEngine.so"):
3906 #print "OwnHypothesis",hypType
3907 if not self.nbLayers is None:
3908 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.nbLayers )
3909 self.mesh.GetMesh().AddHypothesis( self.geom, self.distribHyp )
3910 study = self.mesh.smeshpyD.GetCurrentStudy() # prevents publishing own 1D hypothesis
3911 hyp = self.mesh.smeshpyD.CreateHypothesis(hypType, so)
3912 self.mesh.smeshpyD.SetCurrentStudy( study ) # enables publishing
3913 self.distribHyp.SetLayerDistribution( hyp )
3916 ## Defines "NumberOfLayers" hypothesis, specifying the number of layers of
3917 # prisms to build between the inner and outer shells
3918 # @param n number of layers
3919 # @param UseExisting if ==true - searches for the existing hypothesis created with
3920 # the same parameters, else (default) - creates a new one
3921 def NumberOfLayers(self, n, UseExisting=0):
3922 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.distribHyp )
3923 self.nbLayers = self.Hypothesis("NumberOfLayers", [n], UseExisting=UseExisting,
3924 CompareMethod=self.CompareNumberOfLayers)
3925 self.nbLayers.SetNumberOfLayers( n )
3926 return self.nbLayers
3928 ## Checks if the given "NumberOfLayers" hypothesis has the same parameters as the given arguments
3929 def CompareNumberOfLayers(self, hyp, args):
3930 return IsEqual(hyp.GetNumberOfLayers(), args[0])
3932 ## Defines "LocalLength" hypothesis, specifying the segment length
3933 # to build between the inner and the outer shells
3934 # @param l the length of segments
3935 # @param p the precision of rounding
3936 def LocalLength(self, l, p=1e-07):
3937 hyp = self.OwnHypothesis("LocalLength", [l,p])
3942 ## Defines "NumberOfSegments" hypothesis, specifying the number of layers of
3943 # prisms to build between the inner and the outer shells.
3944 # @param n the number of layers
3945 # @param s the scale factor (optional)
3946 def NumberOfSegments(self, n, s=[]):
3948 hyp = self.OwnHypothesis("NumberOfSegments", [n])
3950 hyp = self.OwnHypothesis("NumberOfSegments", [n,s])
3951 hyp.SetDistrType( 1 )
3952 hyp.SetScaleFactor(s)
3953 hyp.SetNumberOfSegments(n)
3956 ## Defines "Arithmetic1D" hypothesis, specifying the distribution of segments
3957 # to build between the inner and the outer shells with a length that changes in arithmetic progression
3958 # @param start the length of the first segment
3959 # @param end the length of the last segment
3960 def Arithmetic1D(self, start, end ):
3961 hyp = self.OwnHypothesis("Arithmetic1D", [start, end])
3962 hyp.SetLength(start, 1)
3963 hyp.SetLength(end , 0)
3966 ## Defines "StartEndLength" hypothesis, specifying distribution of segments
3967 # to build between the inner and the outer shells as geometric length increasing
3968 # @param start for the length of the first segment
3969 # @param end for the length of the last segment
3970 def StartEndLength(self, start, end):
3971 hyp = self.OwnHypothesis("StartEndLength", [start, end])
3972 hyp.SetLength(start, 1)
3973 hyp.SetLength(end , 0)
3976 ## Defines "AutomaticLength" hypothesis, specifying the number of segments
3977 # to build between the inner and outer shells
3978 # @param fineness defines the quality of the mesh within the range [0-1]
3979 def AutomaticLength(self, fineness=0):
3980 hyp = self.OwnHypothesis("AutomaticLength")
3981 hyp.SetFineness( fineness )
3984 # Private class: Mesh_UseExisting
3985 # -------------------------------
3986 class Mesh_UseExisting(Mesh_Algorithm):
3988 def __init__(self, dim, mesh, geom=0):
3990 self.Create(mesh, geom, "UseExisting_1D")
3992 self.Create(mesh, geom, "UseExisting_2D")