1 # Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 # This library is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU Lesser General Public
5 # License as published by the Free Software Foundation; either
6 # version 2.1 of the License, or (at your option) any later version.
8 # This library is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # Lesser General Public License for more details.
13 # You should have received a copy of the GNU Lesser General Public
14 # License along with this library; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 # File : smeshBuilder.py
20 # Author : Francis KLOSS, OCC
23 ## @package smeshBuilder
24 # Python API for SALOME %Mesh module
26 ## @defgroup l1_auxiliary Auxiliary methods and structures
27 ## @defgroup l1_creating Creating meshes
29 ## @defgroup l2_impexp Importing and exporting meshes
30 ## @defgroup l2_construct Constructing meshes
31 ## @defgroup l2_algorithms Defining Algorithms
33 ## @defgroup l3_algos_basic Basic meshing algorithms
34 ## @defgroup l3_algos_proj Projection Algorithms
35 ## @defgroup l3_algos_segmarv Segments around Vertex
36 ## @defgroup l3_algos_3dextr 3D extrusion meshing algorithm
39 ## @defgroup l2_hypotheses Defining hypotheses
41 ## @defgroup l3_hypos_1dhyps 1D Meshing Hypotheses
42 ## @defgroup l3_hypos_2dhyps 2D Meshing Hypotheses
43 ## @defgroup l3_hypos_maxvol Max Element Volume hypothesis
44 ## @defgroup l3_hypos_quad Quadrangle Parameters hypothesis
45 ## @defgroup l3_hypos_additi Additional Hypotheses
48 ## @defgroup l2_submeshes Constructing submeshes
49 ## @defgroup l2_compounds Building Compounds
50 ## @defgroup l2_editing Editing Meshes
53 ## @defgroup l1_meshinfo Mesh Information
54 ## @defgroup l1_controls Quality controls and Filtering
55 ## @defgroup l1_grouping Grouping elements
57 ## @defgroup l2_grps_create Creating groups
58 ## @defgroup l2_grps_edit Editing groups
59 ## @defgroup l2_grps_operon Using operations on groups
60 ## @defgroup l2_grps_delete Deleting Groups
63 ## @defgroup l1_modifying Modifying meshes
65 ## @defgroup l2_modif_add Adding nodes and elements
66 ## @defgroup l2_modif_del Removing nodes and elements
67 ## @defgroup l2_modif_edit Modifying nodes and elements
68 ## @defgroup l2_modif_renumber Renumbering nodes and elements
69 ## @defgroup l2_modif_trsf Transforming meshes (Translation, Rotation, Symmetry, Sewing, Merging)
70 ## @defgroup l2_modif_movenode Moving nodes
71 ## @defgroup l2_modif_throughp Mesh through point
72 ## @defgroup l2_modif_unitetri Uniting triangles
73 ## @defgroup l2_modif_cutquadr Cutting elements
74 ## @defgroup l2_modif_changori Changing orientation of elements
75 ## @defgroup l2_modif_smooth Smoothing
76 ## @defgroup l2_modif_extrurev Extrusion and Revolution
77 ## @defgroup l2_modif_patterns Pattern mapping
78 ## @defgroup l2_modif_tofromqu Convert to/from Quadratic Mesh
81 ## @defgroup l1_measurements Measurements
84 from salome.geom import geomBuilder
86 import SMESH # This is necessary for back compatibility
88 from salome.smesh.smesh_algorithm import Mesh_Algorithm
95 def __instancecheck__(cls, inst):
96 """Implement isinstance(inst, cls)."""
97 return any(cls.__subclasscheck__(c)
98 for c in {type(inst), inst.__class__})
100 def __subclasscheck__(cls, sub):
101 """Implement issubclass(sub, cls)."""
102 return type.__subclasscheck__(cls, sub) or (cls.__name__ == sub.__name__ and cls.__module__ == sub.__module__)
104 ## @addtogroup l1_auxiliary
107 ## Converts an angle from degrees to radians
108 def DegreesToRadians(AngleInDegrees):
110 return AngleInDegrees * pi / 180.0
112 import salome_notebook
113 notebook = salome_notebook.notebook
114 # Salome notebook variable separator
117 ## Return list of variable values from salome notebook.
118 # The last argument, if is callable, is used to modify values got from notebook
119 def ParseParameters(*args):
124 if args and callable( args[-1] ):
125 args, varModifFun = args[:-1], args[-1]
126 for parameter in args:
128 Parameters += str(parameter) + var_separator
130 if isinstance(parameter,str):
131 # check if there is an inexistent variable name
132 if not notebook.isVariable(parameter):
133 raise ValueError, "Variable with name '" + parameter + "' doesn't exist!!!"
134 parameter = notebook.get(parameter)
137 parameter = varModifFun(parameter)
140 Result.append(parameter)
143 Parameters = Parameters[:-1]
144 Result.append( Parameters )
145 Result.append( hasVariables )
148 # Parse parameters converting variables to radians
149 def ParseAngles(*args):
150 return ParseParameters( *( args + (DegreesToRadians, )))
152 # Substitute PointStruct.__init__() to create SMESH.PointStruct using notebook variables.
153 # Parameters are stored in PointStruct.parameters attribute
154 def __initPointStruct(point,*args):
155 point.x, point.y, point.z, point.parameters,hasVars = ParseParameters(*args)
157 SMESH.PointStruct.__init__ = __initPointStruct
159 # Substitute AxisStruct.__init__() to create SMESH.AxisStruct using notebook variables.
160 # Parameters are stored in AxisStruct.parameters attribute
161 def __initAxisStruct(ax,*args):
164 "Bad nb args (%s) passed in SMESH.AxisStruct(x,y,z,dx,dy,dz)"%(len( args ))
165 ax.x, ax.y, ax.z, ax.vx, ax.vy, ax.vz, ax.parameters,hasVars = ParseParameters(*args)
167 SMESH.AxisStruct.__init__ = __initAxisStruct
169 smeshPrecisionConfusion = 1.e-07
170 def IsEqual(val1, val2, tol=smeshPrecisionConfusion):
171 if abs(val1 - val2) < tol:
181 if isinstance(obj, SALOMEDS._objref_SObject):
185 ior = salome.orb.object_to_string(obj)
190 studies = salome.myStudyManager.GetOpenStudies()
191 for sname in studies:
192 s = salome.myStudyManager.GetStudyByName(sname)
194 sobj = s.FindObjectIOR(ior)
195 if not sobj: continue
196 return sobj.GetName()
197 if hasattr(obj, "GetName"):
198 # unknown CORBA object, having GetName() method
201 # unknown CORBA object, no GetName() method
204 if hasattr(obj, "GetName"):
205 # unknown non-CORBA object, having GetName() method
208 raise RuntimeError, "Null or invalid object"
210 ## Prints error message if a hypothesis was not assigned.
211 def TreatHypoStatus(status, hypName, geomName, isAlgo, mesh):
213 hypType = "algorithm"
215 hypType = "hypothesis"
218 if hasattr( status, "__getitem__" ):
219 status,reason = status[0],status[1]
220 if status == HYP_UNKNOWN_FATAL :
221 reason = "for unknown reason"
222 elif status == HYP_INCOMPATIBLE :
223 reason = "this hypothesis mismatches the algorithm"
224 elif status == HYP_NOTCONFORM :
225 reason = "a non-conform mesh would be built"
226 elif status == HYP_ALREADY_EXIST :
227 if isAlgo: return # it does not influence anything
228 reason = hypType + " of the same dimension is already assigned to this shape"
229 elif status == HYP_BAD_DIM :
230 reason = hypType + " mismatches the shape"
231 elif status == HYP_CONCURENT :
232 reason = "there are concurrent hypotheses on sub-shapes"
233 elif status == HYP_BAD_SUBSHAPE :
234 reason = "the shape is neither the main one, nor its sub-shape, nor a valid group"
235 elif status == HYP_BAD_GEOMETRY:
236 reason = "the algorithm is not applicable to this geometry"
237 elif status == HYP_HIDDEN_ALGO:
238 reason = "it is hidden by an algorithm of an upper dimension, which generates elements of all dimensions"
239 elif status == HYP_HIDING_ALGO:
240 reason = "it hides algorithms of lower dimensions by generating elements of all dimensions"
241 elif status == HYP_NEED_SHAPE:
242 reason = "algorithm can't work without shape"
243 elif status == HYP_INCOMPAT_HYPS:
249 where = '"%s"' % geomName
251 meshName = GetName( mesh )
252 if meshName and meshName != NO_NAME:
253 where = '"%s" shape in "%s" mesh ' % ( geomName, meshName )
254 if status < HYP_UNKNOWN_FATAL and where:
255 print '"%s" was assigned to %s but %s' %( hypName, where, reason )
257 print '"%s" was not assigned to %s : %s' %( hypName, where, reason )
259 print '"%s" was not assigned : %s' %( hypName, reason )
262 ## Private method. Add geom (sub-shape of the main shape) into the study if not yet there
263 def AssureGeomPublished(mesh, geom, name=''):
264 if not isinstance( geom, geomBuilder.GEOM._objref_GEOM_Object ):
266 if not geom.GetStudyEntry() and \
267 mesh.smeshpyD.GetCurrentStudy():
269 studyID = mesh.smeshpyD.GetCurrentStudy()._get_StudyId()
270 if studyID != mesh.geompyD.myStudyId:
271 mesh.geompyD.init_geom( mesh.smeshpyD.GetCurrentStudy())
273 if not name and geom.GetShapeType() != geomBuilder.GEOM.COMPOUND:
274 # for all groups SubShapeName() returns "Compound_-1"
275 name = mesh.geompyD.SubShapeName(geom, mesh.geom)
277 name = "%s_%s"%(geom.GetShapeType(), id(geom)%10000)
279 mesh.geompyD.addToStudyInFather( mesh.geom, geom, name )
282 ## Return the first vertex of a geometrical edge by ignoring orientation
283 def FirstVertexOnCurve(mesh, edge):
284 vv = mesh.geompyD.SubShapeAll( edge, geomBuilder.geomBuilder.ShapeType["VERTEX"])
286 raise TypeError, "Given object has no vertices"
287 if len( vv ) == 1: return vv[0]
288 v0 = mesh.geompyD.MakeVertexOnCurve(edge,0.)
289 xyz = mesh.geompyD.PointCoordinates( v0 ) # coords of the first vertex
290 xyz1 = mesh.geompyD.PointCoordinates( vv[0] )
291 xyz2 = mesh.geompyD.PointCoordinates( vv[1] )
294 dist1 += abs( xyz[i] - xyz1[i] )
295 dist2 += abs( xyz[i] - xyz2[i] )
301 # end of l1_auxiliary
305 # Warning: smeshInst is a singleton
311 ## This class allows to create, load or manipulate meshes.
312 # It has a set of methods to create, load or copy meshes, to combine several meshes, etc.
313 # It also has methods to get infos and measure meshes.
314 class smeshBuilder(object, SMESH._objref_SMESH_Gen):
316 # MirrorType enumeration
317 POINT = SMESH_MeshEditor.POINT
318 AXIS = SMESH_MeshEditor.AXIS
319 PLANE = SMESH_MeshEditor.PLANE
321 # Smooth_Method enumeration
322 LAPLACIAN_SMOOTH = SMESH_MeshEditor.LAPLACIAN_SMOOTH
323 CENTROIDAL_SMOOTH = SMESH_MeshEditor.CENTROIDAL_SMOOTH
325 PrecisionConfusion = smeshPrecisionConfusion
327 # TopAbs_State enumeration
328 [TopAbs_IN, TopAbs_OUT, TopAbs_ON, TopAbs_UNKNOWN] = range(4)
330 # Methods of splitting a hexahedron into tetrahedra
331 Hex_5Tet, Hex_6Tet, Hex_24Tet, Hex_2Prisms, Hex_4Prisms = 1, 2, 3, 1, 2
337 #print "==== __new__", engine, smeshInst, doLcc
339 if smeshInst is None:
340 # smesh engine is either retrieved from engine, or created
342 # Following test avoids a recursive loop
344 if smeshInst is not None:
345 # smesh engine not created: existing engine found
349 # FindOrLoadComponent called:
350 # 1. CORBA resolution of server
351 # 2. the __new__ method is called again
352 #print "==== smeshInst = lcc.FindOrLoadComponent ", engine, smeshInst, doLcc
353 smeshInst = salome.lcc.FindOrLoadComponent( "FactoryServer", "SMESH" )
355 # FindOrLoadComponent not called
356 if smeshInst is None:
357 # smeshBuilder instance is created from lcc.FindOrLoadComponent
358 #print "==== smeshInst = super(smeshBuilder,cls).__new__(cls) ", engine, smeshInst, doLcc
359 smeshInst = super(smeshBuilder,cls).__new__(cls)
361 # smesh engine not created: existing engine found
362 #print "==== existing ", engine, smeshInst, doLcc
364 #print "====1 ", smeshInst
367 #print "====2 ", smeshInst
372 #print "--------------- smeshbuilder __init__ ---", created
375 SMESH._objref_SMESH_Gen.__init__(self)
377 ## Dump component to the Python script
378 # This method overrides IDL function to allow default values for the parameters.
379 def DumpPython(self, theStudy, theIsPublished=True, theIsMultiFile=True):
380 return SMESH._objref_SMESH_Gen.DumpPython(self, theStudy, theIsPublished, theIsMultiFile)
382 ## Set mode of DumpPython(), \a historical or \a snapshot.
383 # In the \a historical mode, the Python Dump script includes all commands
384 # performed by SMESH engine. In the \a snapshot mode, commands
385 # relating to objects removed from the Study are excluded from the script
386 # as well as commands not influencing the current state of meshes
387 def SetDumpPythonHistorical(self, isHistorical):
388 if isHistorical: val = "true"
390 SMESH._objref_SMESH_Gen.SetOption(self, "historical_python_dump", val)
392 ## Sets the current study and Geometry component
393 # @ingroup l1_auxiliary
394 def init_smesh(self,theStudy,geompyD = None):
396 self.SetCurrentStudy(theStudy,geompyD)
399 notebook.myStudy = theStudy
401 ## Creates a mesh. This can be either an empty mesh, possibly having an underlying geometry,
402 # or a mesh wrapping a CORBA mesh given as a parameter.
403 # @param obj either (1) a CORBA mesh (SMESH._objref_SMESH_Mesh) got e.g. by calling
404 # salome.myStudy.FindObjectID("0:1:2:3").GetObject() or
405 # (2) a Geometrical object for meshing or
407 # @param name the name for the new mesh.
408 # @return an instance of Mesh class.
409 # @ingroup l2_construct
410 def Mesh(self, obj=0, name=0):
411 if isinstance(obj,str):
413 return Mesh(self,self.geompyD,obj,name)
415 ## Returns a long value from enumeration
416 # @ingroup l1_controls
417 def EnumToLong(self,theItem):
420 ## Returns a string representation of the color.
421 # To be used with filters.
422 # @param c color value (SALOMEDS.Color)
423 # @ingroup l1_controls
424 def ColorToString(self,c):
426 if isinstance(c, SALOMEDS.Color):
427 val = "%s;%s;%s" % (c.R, c.G, c.B)
428 elif isinstance(c, str):
431 raise ValueError, "Color value should be of string or SALOMEDS.Color type"
434 ## Gets PointStruct from vertex
435 # @param theVertex a GEOM object(vertex)
436 # @return SMESH.PointStruct
437 # @ingroup l1_auxiliary
438 def GetPointStruct(self,theVertex):
439 [x, y, z] = self.geompyD.PointCoordinates(theVertex)
440 return PointStruct(x,y,z)
442 ## Gets DirStruct from vector
443 # @param theVector a GEOM object(vector)
444 # @return SMESH.DirStruct
445 # @ingroup l1_auxiliary
446 def GetDirStruct(self,theVector):
447 vertices = self.geompyD.SubShapeAll( theVector, geomBuilder.geomBuilder.ShapeType["VERTEX"] )
448 if(len(vertices) != 2):
449 print "Error: vector object is incorrect."
451 p1 = self.geompyD.PointCoordinates(vertices[0])
452 p2 = self.geompyD.PointCoordinates(vertices[1])
453 pnt = PointStruct(p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
454 dirst = DirStruct(pnt)
457 ## Makes DirStruct from a triplet
458 # @param x,y,z vector components
459 # @return SMESH.DirStruct
460 # @ingroup l1_auxiliary
461 def MakeDirStruct(self,x,y,z):
462 pnt = PointStruct(x,y,z)
463 return DirStruct(pnt)
465 ## Get AxisStruct from object
466 # @param theObj a GEOM object (line or plane)
467 # @return SMESH.AxisStruct
468 # @ingroup l1_auxiliary
469 def GetAxisStruct(self,theObj):
471 edges = self.geompyD.SubShapeAll( theObj, geomBuilder.geomBuilder.ShapeType["EDGE"] )
474 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
475 vertex3, vertex4 = self.geompyD.SubShapeAll( edges[1], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
476 vertex1 = self.geompyD.PointCoordinates(vertex1)
477 vertex2 = self.geompyD.PointCoordinates(vertex2)
478 vertex3 = self.geompyD.PointCoordinates(vertex3)
479 vertex4 = self.geompyD.PointCoordinates(vertex4)
480 v1 = [vertex2[0]-vertex1[0], vertex2[1]-vertex1[1], vertex2[2]-vertex1[2]]
481 v2 = [vertex4[0]-vertex3[0], vertex4[1]-vertex3[1], vertex4[2]-vertex3[2]]
482 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] ]
483 axis = AxisStruct(vertex1[0], vertex1[1], vertex1[2], normal[0], normal[1], normal[2])
484 axis._mirrorType = SMESH.SMESH_MeshEditor.PLANE
485 elif len(edges) == 1:
486 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
487 p1 = self.geompyD.PointCoordinates( vertex1 )
488 p2 = self.geompyD.PointCoordinates( vertex2 )
489 axis = AxisStruct(p1[0], p1[1], p1[2], p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
490 axis._mirrorType = SMESH.SMESH_MeshEditor.AXIS
491 elif theObj.GetShapeType() == GEOM.VERTEX:
492 x,y,z = self.geompyD.PointCoordinates( theObj )
493 axis = AxisStruct( x,y,z, 1,0,0,)
494 axis._mirrorType = SMESH.SMESH_MeshEditor.POINT
497 # From SMESH_Gen interface:
498 # ------------------------
500 ## Sets the given name to the object
501 # @param obj the object to rename
502 # @param name a new object name
503 # @ingroup l1_auxiliary
504 def SetName(self, obj, name):
505 if isinstance( obj, Mesh ):
507 elif isinstance( obj, Mesh_Algorithm ):
508 obj = obj.GetAlgorithm()
509 ior = salome.orb.object_to_string(obj)
510 SMESH._objref_SMESH_Gen.SetName(self, ior, name)
512 ## Sets the current mode
513 # @ingroup l1_auxiliary
514 def SetEmbeddedMode( self,theMode ):
515 SMESH._objref_SMESH_Gen.SetEmbeddedMode(self,theMode)
517 ## Gets the current mode
518 # @ingroup l1_auxiliary
519 def IsEmbeddedMode(self):
520 return SMESH._objref_SMESH_Gen.IsEmbeddedMode(self)
522 ## Sets the current study. Calling SetCurrentStudy( None ) allows to
523 # switch OFF automatic pubilishing in the Study of mesh objects.
524 # @ingroup l1_auxiliary
525 def SetCurrentStudy( self, theStudy, geompyD = None ):
527 from salome.geom import geomBuilder
528 geompyD = geomBuilder.geom
531 self.SetGeomEngine(geompyD)
532 SMESH._objref_SMESH_Gen.SetCurrentStudy(self,theStudy)
535 notebook = salome_notebook.NoteBook( theStudy )
537 notebook = salome_notebook.NoteBook( salome_notebook.PseudoStudyForNoteBook() )
539 sb = theStudy.NewBuilder()
540 sc = theStudy.FindComponent("SMESH")
541 if sc: sb.LoadWith(sc, self)
545 ## Gets the current study
546 # @ingroup l1_auxiliary
547 def GetCurrentStudy(self):
548 return SMESH._objref_SMESH_Gen.GetCurrentStudy(self)
550 ## Creates a Mesh object importing data from the given UNV file
551 # @return an instance of Mesh class
553 def CreateMeshesFromUNV( self,theFileName ):
554 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromUNV(self,theFileName)
555 aMesh = Mesh(self, self.geompyD, aSmeshMesh)
558 ## Creates a Mesh object(s) importing data from the given MED file
559 # @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
561 def CreateMeshesFromMED( self,theFileName ):
562 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromMED(self,theFileName)
563 aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
564 return aMeshes, aStatus
566 ## Creates a Mesh object(s) importing data from the given SAUV file
567 # @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
569 def CreateMeshesFromSAUV( self,theFileName ):
570 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromSAUV(self,theFileName)
571 aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
572 return aMeshes, aStatus
574 ## Creates a Mesh object importing data from the given STL file
575 # @return an instance of Mesh class
577 def CreateMeshesFromSTL( self, theFileName ):
578 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromSTL(self,theFileName)
579 aMesh = Mesh(self, self.geompyD, aSmeshMesh)
582 ## Creates Mesh objects importing data from the given CGNS file
583 # @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
585 def CreateMeshesFromCGNS( self, theFileName ):
586 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromCGNS(self,theFileName)
587 aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
588 return aMeshes, aStatus
590 ## Creates a Mesh object importing data from the given GMF file.
591 # GMF files must have .mesh extension for the ASCII format and .meshb for
593 # @return [ an instance of Mesh class, SMESH.ComputeError ]
595 def CreateMeshesFromGMF( self, theFileName ):
596 aSmeshMesh, error = SMESH._objref_SMESH_Gen.CreateMeshesFromGMF(self,
599 if error.comment: print "*** CreateMeshesFromGMF() errors:\n", error.comment
600 return Mesh(self, self.geompyD, aSmeshMesh), error
602 ## Concatenate the given meshes into one mesh. All groups of input meshes will be
603 # present in the new mesh.
604 # @param meshes the meshes, sub-meshes and groups to combine into one mesh
605 # @param uniteIdenticalGroups if true, groups with same names are united, else they are renamed
606 # @param mergeNodesAndElements if true, equal nodes and elements are merged
607 # @param mergeTolerance tolerance for merging nodes
608 # @param allGroups forces creation of groups corresponding to every input mesh
609 # @param name name of a new mesh
610 # @return an instance of Mesh class
611 # @ingroup l2_compounds
612 def Concatenate( self, meshes, uniteIdenticalGroups,
613 mergeNodesAndElements = False, mergeTolerance = 1e-5, allGroups = False,
615 if not meshes: return None
616 for i,m in enumerate(meshes):
617 if isinstance(m, Mesh):
618 meshes[i] = m.GetMesh()
619 mergeTolerance,Parameters,hasVars = ParseParameters(mergeTolerance)
620 meshes[0].SetParameters(Parameters)
622 aSmeshMesh = SMESH._objref_SMESH_Gen.ConcatenateWithGroups(
623 self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
625 aSmeshMesh = SMESH._objref_SMESH_Gen.Concatenate(
626 self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
627 aMesh = Mesh(self, self.geompyD, aSmeshMesh, name=name)
630 ## Create a mesh by copying a part of another mesh.
631 # @param meshPart a part of mesh to copy, either a Mesh, a sub-mesh or a group;
632 # to copy nodes or elements not contained in any mesh object,
633 # pass result of Mesh.GetIDSource( list_of_ids, type ) as meshPart
634 # @param meshName a name of the new mesh
635 # @param toCopyGroups to create in the new mesh groups the copied elements belongs to
636 # @param toKeepIDs to preserve order of the copied elements or not
637 # @return an instance of Mesh class
638 def CopyMesh( self, meshPart, meshName, toCopyGroups=False, toKeepIDs=False):
639 if (isinstance( meshPart, Mesh )):
640 meshPart = meshPart.GetMesh()
641 mesh = SMESH._objref_SMESH_Gen.CopyMesh( self,meshPart,meshName,toCopyGroups,toKeepIDs )
642 return Mesh(self, self.geompyD, mesh)
644 ## From SMESH_Gen interface
645 # @return the list of integer values
646 # @ingroup l1_auxiliary
647 def GetSubShapesId( self, theMainObject, theListOfSubObjects ):
648 return SMESH._objref_SMESH_Gen.GetSubShapesId(self,theMainObject, theListOfSubObjects)
650 ## From SMESH_Gen interface. Creates a pattern
651 # @return an instance of SMESH_Pattern
653 # <a href="../tui_modifying_meshes_page.html#tui_pattern_mapping">Example of Patterns usage</a>
654 # @ingroup l2_modif_patterns
655 def GetPattern(self):
656 return SMESH._objref_SMESH_Gen.GetPattern(self)
658 ## Sets number of segments per diagonal of boundary box of geometry by which
659 # default segment length of appropriate 1D hypotheses is defined.
660 # Default value is 10
661 # @ingroup l1_auxiliary
662 def SetBoundaryBoxSegmentation(self, nbSegments):
663 SMESH._objref_SMESH_Gen.SetBoundaryBoxSegmentation(self,nbSegments)
665 # Filtering. Auxiliary functions:
666 # ------------------------------
668 ## Creates an empty criterion
669 # @return SMESH.Filter.Criterion
670 # @ingroup l1_controls
671 def GetEmptyCriterion(self):
672 Type = self.EnumToLong(FT_Undefined)
673 Compare = self.EnumToLong(FT_Undefined)
677 UnaryOp = self.EnumToLong(FT_Undefined)
678 BinaryOp = self.EnumToLong(FT_Undefined)
681 Precision = -1 ##@1e-07
682 return Filter.Criterion(Type, Compare, Threshold, ThresholdStr, ThresholdID,
683 UnaryOp, BinaryOp, Tolerance, TypeOfElement, Precision)
685 ## Creates a criterion by the given parameters
686 # \n Criterion structures allow to define complex filters by combining them with logical operations (AND / OR) (see example below)
687 # @param elementType the type of elements(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
688 # @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
689 # Type SMESH.FunctorType._items in the Python Console to see all values.
690 # Note that the items starting from FT_LessThan are not suitable for CritType.
691 # @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
692 # @param Threshold the threshold value (range of ids as string, shape, numeric)
693 # @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
694 # @param BinaryOp a binary logical operation SMESH.FT_LogicalAND, SMESH.FT_LogicalOR or
696 # @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
697 # SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces criteria
698 # @return SMESH.Filter.Criterion
700 # <a href="../tui_filters_page.html#combining_filters">Example of Criteria usage</a>
701 # @ingroup l1_controls
702 def GetCriterion(self,elementType,
704 Compare = FT_EqualTo,
706 UnaryOp=FT_Undefined,
707 BinaryOp=FT_Undefined,
709 if not CritType in SMESH.FunctorType._items:
710 raise TypeError, "CritType should be of SMESH.FunctorType"
711 aCriterion = self.GetEmptyCriterion()
712 aCriterion.TypeOfElement = elementType
713 aCriterion.Type = self.EnumToLong(CritType)
714 aCriterion.Tolerance = Tolerance
716 aThreshold = Threshold
718 if Compare in [FT_LessThan, FT_MoreThan, FT_EqualTo]:
719 aCriterion.Compare = self.EnumToLong(Compare)
720 elif Compare == "=" or Compare == "==":
721 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
723 aCriterion.Compare = self.EnumToLong(FT_LessThan)
725 aCriterion.Compare = self.EnumToLong(FT_MoreThan)
726 elif Compare != FT_Undefined:
727 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
730 if CritType in [FT_BelongToGeom, FT_BelongToPlane, FT_BelongToGenSurface,
731 FT_BelongToCylinder, FT_LyingOnGeom]:
732 # Check that Threshold is GEOM object
733 if isinstance(aThreshold, geomBuilder.GEOM._objref_GEOM_Object):
734 aCriterion.ThresholdStr = GetName(aThreshold)
735 aCriterion.ThresholdID = aThreshold.GetStudyEntry()
736 if not aCriterion.ThresholdID:
737 name = aCriterion.ThresholdStr
739 name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
740 aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
741 # or a name of GEOM object
742 elif isinstance( aThreshold, str ):
743 aCriterion.ThresholdStr = aThreshold
745 raise TypeError, "The Threshold should be a shape."
746 if isinstance(UnaryOp,float):
747 aCriterion.Tolerance = UnaryOp
748 UnaryOp = FT_Undefined
750 elif CritType == FT_BelongToMeshGroup:
751 # Check that Threshold is a group
752 if isinstance(aThreshold, SMESH._objref_SMESH_GroupBase):
753 if aThreshold.GetType() != elementType:
754 raise ValueError, "Group type mismatches Element type"
755 aCriterion.ThresholdStr = aThreshold.GetName()
756 aCriterion.ThresholdID = salome.orb.object_to_string( aThreshold )
757 study = self.GetCurrentStudy()
759 so = study.FindObjectIOR( aCriterion.ThresholdID )
763 aCriterion.ThresholdID = entry
765 raise TypeError, "The Threshold should be a Mesh Group"
766 elif CritType == FT_RangeOfIds:
767 # Check that Threshold is string
768 if isinstance(aThreshold, str):
769 aCriterion.ThresholdStr = aThreshold
771 raise TypeError, "The Threshold should be a string."
772 elif CritType == FT_CoplanarFaces:
773 # Check the Threshold
774 if isinstance(aThreshold, int):
775 aCriterion.ThresholdID = str(aThreshold)
776 elif isinstance(aThreshold, str):
779 raise ValueError, "Invalid ID of mesh face: '%s'"%aThreshold
780 aCriterion.ThresholdID = aThreshold
783 "The Threshold should be an ID of mesh face and not '%s'"%aThreshold
784 elif CritType == FT_ConnectedElements:
785 # Check the Threshold
786 if isinstance(aThreshold, geomBuilder.GEOM._objref_GEOM_Object): # shape
787 aCriterion.ThresholdID = aThreshold.GetStudyEntry()
788 if not aCriterion.ThresholdID:
789 name = aThreshold.GetName()
791 name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
792 aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
793 elif isinstance(aThreshold, int): # node id
794 aCriterion.Threshold = aThreshold
795 elif isinstance(aThreshold, list): # 3 point coordinates
796 if len( aThreshold ) < 3:
797 raise ValueError, "too few point coordinates, must be 3"
798 aCriterion.ThresholdStr = " ".join( [str(c) for c in aThreshold[:3]] )
799 elif isinstance(aThreshold, str):
800 if aThreshold.isdigit():
801 aCriterion.Threshold = aThreshold # node id
803 aCriterion.ThresholdStr = aThreshold # hope that it's point coordinates
806 "The Threshold should either a VERTEX, or a node ID, "\
807 "or a list of point coordinates and not '%s'"%aThreshold
808 elif CritType == FT_ElemGeomType:
809 # Check the Threshold
811 aCriterion.Threshold = self.EnumToLong(aThreshold)
812 assert( aThreshold in SMESH.GeometryType._items )
814 if isinstance(aThreshold, int):
815 aCriterion.Threshold = aThreshold
817 raise TypeError, "The Threshold should be an integer or SMESH.GeometryType."
820 elif CritType == FT_EntityType:
821 # Check the Threshold
823 aCriterion.Threshold = self.EnumToLong(aThreshold)
824 assert( aThreshold in SMESH.EntityType._items )
826 if isinstance(aThreshold, int):
827 aCriterion.Threshold = aThreshold
829 raise TypeError, "The Threshold should be an integer or SMESH.EntityType."
833 elif CritType == FT_GroupColor:
834 # Check the Threshold
836 aCriterion.ThresholdStr = self.ColorToString(aThreshold)
838 raise TypeError, "The threshold value should be of SALOMEDS.Color type"
840 elif CritType in [FT_FreeBorders, FT_FreeEdges, FT_FreeNodes, FT_FreeFaces,
841 FT_LinearOrQuadratic, FT_BadOrientedVolume,
842 FT_BareBorderFace, FT_BareBorderVolume,
843 FT_OverConstrainedFace, FT_OverConstrainedVolume,
844 FT_EqualNodes,FT_EqualEdges,FT_EqualFaces,FT_EqualVolumes ]:
845 # At this point the Threshold is unnecessary
846 if aThreshold == FT_LogicalNOT:
847 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
848 elif aThreshold in [FT_LogicalAND, FT_LogicalOR]:
849 aCriterion.BinaryOp = aThreshold
853 aThreshold = float(aThreshold)
854 aCriterion.Threshold = aThreshold
856 raise TypeError, "The Threshold should be a number."
859 if Threshold == FT_LogicalNOT or UnaryOp == FT_LogicalNOT:
860 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
862 if Threshold in [FT_LogicalAND, FT_LogicalOR]:
863 aCriterion.BinaryOp = self.EnumToLong(Threshold)
865 if UnaryOp in [FT_LogicalAND, FT_LogicalOR]:
866 aCriterion.BinaryOp = self.EnumToLong(UnaryOp)
868 if BinaryOp in [FT_LogicalAND, FT_LogicalOR]:
869 aCriterion.BinaryOp = self.EnumToLong(BinaryOp)
873 ## Creates a filter with the given parameters
874 # @param elementType the type of elements (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
875 # @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
876 # Type SMESH.FunctorType._items in the Python Console to see all values.
877 # Note that the items starting from FT_LessThan are not suitable for CritType.
878 # @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
879 # @param Threshold the threshold value (range of ids as string, shape, numeric)
880 # @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
881 # @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
882 # SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces and SMESH.FT_EqualNodes criteria
883 # @param mesh the mesh to initialize the filter with
884 # @return SMESH_Filter
886 # <a href="../tui_filters_page.html#tui_filters">Example of Filters usage</a>
887 # @ingroup l1_controls
888 def GetFilter(self,elementType,
889 CritType=FT_Undefined,
892 UnaryOp=FT_Undefined,
895 aCriterion = self.GetCriterion(elementType, CritType, Compare, Threshold, UnaryOp, FT_Undefined,Tolerance)
896 aFilterMgr = self.CreateFilterManager()
897 aFilter = aFilterMgr.CreateFilter()
899 aCriteria.append(aCriterion)
900 aFilter.SetCriteria(aCriteria)
902 if isinstance( mesh, Mesh ): aFilter.SetMesh( mesh.GetMesh() )
903 else : aFilter.SetMesh( mesh )
904 aFilterMgr.UnRegister()
907 ## Creates a filter from criteria
908 # @param criteria a list of criteria
909 # @param binOp binary operator used when binary operator of criteria is undefined
910 # @return SMESH_Filter
912 # <a href="../tui_filters_page.html#tui_filters">Example of Filters usage</a>
913 # @ingroup l1_controls
914 def GetFilterFromCriteria(self,criteria, binOp=SMESH.FT_LogicalAND):
915 for i in range( len( criteria ) - 1 ):
916 if criteria[i].BinaryOp == self.EnumToLong( SMESH.FT_Undefined ):
917 criteria[i].BinaryOp = self.EnumToLong( binOp )
918 aFilterMgr = self.CreateFilterManager()
919 aFilter = aFilterMgr.CreateFilter()
920 aFilter.SetCriteria(criteria)
921 aFilterMgr.UnRegister()
924 ## Creates a numerical functor by its type
925 # @param theCriterion functor type - an item of SMESH.FunctorType enumeration.
926 # Type SMESH.FunctorType._items in the Python Console to see all items.
927 # Note that not all items correspond to numerical functors.
928 # @return SMESH_NumericalFunctor
929 # @ingroup l1_controls
930 def GetFunctor(self,theCriterion):
931 if isinstance( theCriterion, SMESH._objref_NumericalFunctor ):
933 aFilterMgr = self.CreateFilterManager()
935 if theCriterion == FT_AspectRatio:
936 functor = aFilterMgr.CreateAspectRatio()
937 elif theCriterion == FT_AspectRatio3D:
938 functor = aFilterMgr.CreateAspectRatio3D()
939 elif theCriterion == FT_Warping:
940 functor = aFilterMgr.CreateWarping()
941 elif theCriterion == FT_MinimumAngle:
942 functor = aFilterMgr.CreateMinimumAngle()
943 elif theCriterion == FT_Taper:
944 functor = aFilterMgr.CreateTaper()
945 elif theCriterion == FT_Skew:
946 functor = aFilterMgr.CreateSkew()
947 elif theCriterion == FT_Area:
948 functor = aFilterMgr.CreateArea()
949 elif theCriterion == FT_Volume3D:
950 functor = aFilterMgr.CreateVolume3D()
951 elif theCriterion == FT_MaxElementLength2D:
952 functor = aFilterMgr.CreateMaxElementLength2D()
953 elif theCriterion == FT_MaxElementLength3D:
954 functor = aFilterMgr.CreateMaxElementLength3D()
955 elif theCriterion == FT_MultiConnection:
956 functor = aFilterMgr.CreateMultiConnection()
957 elif theCriterion == FT_MultiConnection2D:
958 functor = aFilterMgr.CreateMultiConnection2D()
959 elif theCriterion == FT_Length:
960 functor = aFilterMgr.CreateLength()
961 elif theCriterion == FT_Length2D:
962 functor = aFilterMgr.CreateLength2D()
963 elif theCriterion == FT_Deflection2D:
964 functor = aFilterMgr.CreateDeflection2D()
965 elif theCriterion == FT_NodeConnectivityNumber:
966 functor = aFilterMgr.CreateNodeConnectivityNumber()
967 elif theCriterion == FT_BallDiameter:
968 functor = aFilterMgr.CreateBallDiameter()
970 print "Error: given parameter is not numerical functor type."
971 aFilterMgr.UnRegister()
974 ## Creates hypothesis
975 # @param theHType mesh hypothesis type (string)
976 # @param theLibName mesh plug-in library name
977 # @return created hypothesis instance
978 def CreateHypothesis(self, theHType, theLibName="libStdMeshersEngine.so"):
979 hyp = SMESH._objref_SMESH_Gen.CreateHypothesis(self, theHType, theLibName )
981 if isinstance( hyp, SMESH._objref_SMESH_Algo ):
984 # wrap hypothesis methods
985 #print "HYPOTHESIS", theHType
986 for meth_name in dir( hyp.__class__ ):
987 if not meth_name.startswith("Get") and \
988 not meth_name in dir ( SMESH._objref_SMESH_Hypothesis ):
989 method = getattr ( hyp.__class__, meth_name )
991 setattr( hyp, meth_name, hypMethodWrapper( hyp, method ))
995 ## Gets the mesh statistic
996 # @return dictionary "element type" - "count of elements"
997 # @ingroup l1_meshinfo
998 def GetMeshInfo(self, obj):
999 if isinstance( obj, Mesh ):
1002 if hasattr(obj, "GetMeshInfo"):
1003 values = obj.GetMeshInfo()
1004 for i in range(SMESH.Entity_Last._v):
1005 if i < len(values): d[SMESH.EntityType._item(i)]=values[i]
1009 ## Get minimum distance between two objects
1011 # If @a src2 is None, and @a id2 = 0, distance from @a src1 / @a id1 to the origin is computed.
1012 # If @a src2 is None, and @a id2 != 0, it is assumed that both @a id1 and @a id2 belong to @a src1.
1014 # @param src1 first source object
1015 # @param src2 second source object
1016 # @param id1 node/element id from the first source
1017 # @param id2 node/element id from the second (or first) source
1018 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
1019 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
1020 # @return minimum distance value
1021 # @sa GetMinDistance()
1022 # @ingroup l1_measurements
1023 def MinDistance(self, src1, src2=None, id1=0, id2=0, isElem1=False, isElem2=False):
1024 result = self.GetMinDistance(src1, src2, id1, id2, isElem1, isElem2)
1028 result = result.value
1031 ## Get measure structure specifying minimum distance data between two objects
1033 # If @a src2 is None, and @a id2 = 0, distance from @a src1 / @a id1 to the origin is computed.
1034 # If @a src2 is None, and @a id2 != 0, it is assumed that both @a id1 and @a id2 belong to @a src1.
1036 # @param src1 first source object
1037 # @param src2 second source object
1038 # @param id1 node/element id from the first source
1039 # @param id2 node/element id from the second (or first) source
1040 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
1041 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
1042 # @return Measure structure or None if input data is invalid
1044 # @ingroup l1_measurements
1045 def GetMinDistance(self, src1, src2=None, id1=0, id2=0, isElem1=False, isElem2=False):
1046 if isinstance(src1, Mesh): src1 = src1.mesh
1047 if isinstance(src2, Mesh): src2 = src2.mesh
1048 if src2 is None and id2 != 0: src2 = src1
1049 if not hasattr(src1, "_narrow"): return None
1050 src1 = src1._narrow(SMESH.SMESH_IDSource)
1051 if not src1: return None
1052 unRegister = genObjUnRegister()
1055 e = m.GetMeshEditor()
1057 src1 = e.MakeIDSource([id1], SMESH.FACE)
1059 src1 = e.MakeIDSource([id1], SMESH.NODE)
1060 unRegister.set( src1 )
1062 if hasattr(src2, "_narrow"):
1063 src2 = src2._narrow(SMESH.SMESH_IDSource)
1064 if src2 and id2 != 0:
1066 e = m.GetMeshEditor()
1068 src2 = e.MakeIDSource([id2], SMESH.FACE)
1070 src2 = e.MakeIDSource([id2], SMESH.NODE)
1071 unRegister.set( src2 )
1074 aMeasurements = self.CreateMeasurements()
1075 unRegister.set( aMeasurements )
1076 result = aMeasurements.MinDistance(src1, src2)
1079 ## Get bounding box of the specified object(s)
1080 # @param objects single source object or list of source objects
1081 # @return tuple of six values (minX, minY, minZ, maxX, maxY, maxZ)
1082 # @sa GetBoundingBox()
1083 # @ingroup l1_measurements
1084 def BoundingBox(self, objects):
1085 result = self.GetBoundingBox(objects)
1089 result = (result.minX, result.minY, result.minZ, result.maxX, result.maxY, result.maxZ)
1092 ## Get measure structure specifying bounding box data of the specified object(s)
1093 # @param objects single source object or list of source objects
1094 # @return Measure structure
1096 # @ingroup l1_measurements
1097 def GetBoundingBox(self, objects):
1098 if isinstance(objects, tuple):
1099 objects = list(objects)
1100 if not isinstance(objects, list):
1104 if isinstance(o, Mesh):
1105 srclist.append(o.mesh)
1106 elif hasattr(o, "_narrow"):
1107 src = o._narrow(SMESH.SMESH_IDSource)
1108 if src: srclist.append(src)
1111 aMeasurements = self.CreateMeasurements()
1112 result = aMeasurements.BoundingBox(srclist)
1113 aMeasurements.UnRegister()
1116 ## Get sum of lengths of all 1D elements in the mesh object.
1117 # @param obj mesh, submesh or group
1118 # @return sum of lengths of all 1D elements
1119 # @ingroup l1_measurements
1120 def GetLength(self, obj):
1121 if isinstance(obj, Mesh): obj = obj.mesh
1122 if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
1123 aMeasurements = self.CreateMeasurements()
1124 value = aMeasurements.Length(obj)
1125 aMeasurements.UnRegister()
1128 ## Get sum of areas of all 2D elements in the mesh object.
1129 # @param obj mesh, submesh or group
1130 # @return sum of areas of all 2D elements
1131 # @ingroup l1_measurements
1132 def GetArea(self, obj):
1133 if isinstance(obj, Mesh): obj = obj.mesh
1134 if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
1135 aMeasurements = self.CreateMeasurements()
1136 value = aMeasurements.Area(obj)
1137 aMeasurements.UnRegister()
1140 ## Get sum of volumes of all 3D elements in the mesh object.
1141 # @param obj mesh, submesh or group
1142 # @return sum of volumes of all 3D elements
1143 # @ingroup l1_measurements
1144 def GetVolume(self, obj):
1145 if isinstance(obj, Mesh): obj = obj.mesh
1146 if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
1147 aMeasurements = self.CreateMeasurements()
1148 value = aMeasurements.Volume(obj)
1149 aMeasurements.UnRegister()
1152 pass # end of class smeshBuilder
1155 #Registering the new proxy for SMESH_Gen
1156 omniORB.registerObjref(SMESH._objref_SMESH_Gen._NP_RepositoryId, smeshBuilder)
1158 ## Create a new smeshBuilder instance.The smeshBuilder class provides the Python
1159 # interface to create or load meshes.
1164 # salome.salome_init()
1165 # from salome.smesh import smeshBuilder
1166 # smesh = smeshBuilder.New(salome.myStudy)
1168 # @param study SALOME study, generally obtained by salome.myStudy.
1169 # @param instance CORBA proxy of SMESH Engine. If None, the default Engine is used.
1170 # @return smeshBuilder instance
1172 def New( study, instance=None):
1174 Create a new smeshBuilder instance.The smeshBuilder class provides the Python
1175 interface to create or load meshes.
1179 salome.salome_init()
1180 from salome.smesh import smeshBuilder
1181 smesh = smeshBuilder.New(salome.myStudy)
1184 study SALOME study, generally obtained by salome.myStudy.
1185 instance CORBA proxy of SMESH Engine. If None, the default Engine is used.
1187 smeshBuilder instance
1195 smeshInst = smeshBuilder()
1196 assert isinstance(smeshInst,smeshBuilder), "Smesh engine class is %s but should be smeshBuilder.smeshBuilder. Import salome.smesh.smeshBuilder before creating the instance."%smeshInst.__class__
1197 smeshInst.init_smesh(study)
1201 # Public class: Mesh
1202 # ==================
1204 ## This class allows defining and managing a mesh.
1205 # It has a set of methods to build a mesh on the given geometry, including the definition of sub-meshes.
1206 # It also has methods to define groups of mesh elements, to modify a mesh (by addition of
1207 # new nodes and elements and by changing the existing entities), to get information
1208 # about a mesh and to export a mesh into different formats.
1210 __metaclass__ = MeshMeta
1218 # Creates a mesh on the shape \a obj (or an empty mesh if \a obj is equal to 0) and
1219 # sets the GUI name of this mesh to \a name.
1220 # @param smeshpyD an instance of smeshBuilder class
1221 # @param geompyD an instance of geomBuilder class
1222 # @param obj Shape to be meshed or SMESH_Mesh object
1223 # @param name Study name of the mesh
1224 # @ingroup l2_construct
1225 def __init__(self, smeshpyD, geompyD, obj=0, name=0):
1226 self.smeshpyD=smeshpyD
1227 self.geompyD=geompyD
1232 if isinstance(obj, geomBuilder.GEOM._objref_GEOM_Object):
1235 # publish geom of mesh (issue 0021122)
1236 if not self.geom.GetStudyEntry() and smeshpyD.GetCurrentStudy():
1238 studyID = smeshpyD.GetCurrentStudy()._get_StudyId()
1239 if studyID != geompyD.myStudyId:
1240 geompyD.init_geom( smeshpyD.GetCurrentStudy())
1243 geo_name = name + " shape"
1245 geo_name = "%s_%s to mesh"%(self.geom.GetShapeType(), id(self.geom)%100)
1246 geompyD.addToStudy( self.geom, geo_name )
1247 self.SetMesh( self.smeshpyD.CreateMesh(self.geom) )
1249 elif isinstance(obj, SMESH._objref_SMESH_Mesh):
1252 self.SetMesh( self.smeshpyD.CreateEmptyMesh() )
1254 self.smeshpyD.SetName(self.mesh, name)
1256 self.smeshpyD.SetName(self.mesh, GetName(obj)) # + " mesh"
1259 self.geom = self.mesh.GetShapeToMesh()
1261 self.editor = self.mesh.GetMeshEditor()
1262 self.functors = [None] * SMESH.FT_Undefined._v
1264 # set self to algoCreator's
1265 for attrName in dir(self):
1266 attr = getattr( self, attrName )
1267 if isinstance( attr, algoCreator ):
1268 setattr( self, attrName, attr.copy( self ))
1273 ## Destructor. Clean-up resources
1276 #self.mesh.UnRegister()
1280 ## Initializes the Mesh object from an instance of SMESH_Mesh interface
1281 # @param theMesh a SMESH_Mesh object
1282 # @ingroup l2_construct
1283 def SetMesh(self, theMesh):
1284 # do not call Register() as this prevents mesh servant deletion at closing study
1285 #if self.mesh: self.mesh.UnRegister()
1288 #self.mesh.Register()
1289 self.geom = self.mesh.GetShapeToMesh()
1292 ## Returns the mesh, that is an instance of SMESH_Mesh interface
1293 # @return a SMESH_Mesh object
1294 # @ingroup l2_construct
1298 ## Gets the name of the mesh
1299 # @return the name of the mesh as a string
1300 # @ingroup l2_construct
1302 name = GetName(self.GetMesh())
1305 ## Sets a name to the mesh
1306 # @param name a new name of the mesh
1307 # @ingroup l2_construct
1308 def SetName(self, name):
1309 self.smeshpyD.SetName(self.GetMesh(), name)
1311 ## Gets the subMesh object associated to a \a theSubObject geometrical object.
1312 # The subMesh object gives access to the IDs of nodes and elements.
1313 # @param geom a geometrical object (shape)
1314 # @param name a name for the submesh
1315 # @return an object of type SMESH_SubMesh, representing a part of mesh, which lies on the given shape
1316 # @ingroup l2_submeshes
1317 def GetSubMesh(self, geom, name):
1318 AssureGeomPublished( self, geom, name )
1319 submesh = self.mesh.GetSubMesh( geom, name )
1322 ## Returns the shape associated to the mesh
1323 # @return a GEOM_Object
1324 # @ingroup l2_construct
1328 ## Associates the given shape to the mesh (entails the recreation of the mesh)
1329 # @param geom the shape to be meshed (GEOM_Object)
1330 # @ingroup l2_construct
1331 def SetShape(self, geom):
1332 self.mesh = self.smeshpyD.CreateMesh(geom)
1334 ## Loads mesh from the study after opening the study
1338 ## Returns true if the hypotheses are defined well
1339 # @param theSubObject a sub-shape of a mesh shape
1340 # @return True or False
1341 # @ingroup l2_construct
1342 def IsReadyToCompute(self, theSubObject):
1343 return self.smeshpyD.IsReadyToCompute(self.mesh, theSubObject)
1345 ## Returns errors of hypotheses definition.
1346 # The list of errors is empty if everything is OK.
1347 # @param theSubObject a sub-shape of a mesh shape
1348 # @return a list of errors
1349 # @ingroup l2_construct
1350 def GetAlgoState(self, theSubObject):
1351 return self.smeshpyD.GetAlgoState(self.mesh, theSubObject)
1353 ## Returns a geometrical object on which the given element was built.
1354 # The returned geometrical object, if not nil, is either found in the
1355 # study or published by this method with the given name
1356 # @param theElementID the id of the mesh element
1357 # @param theGeomName the user-defined name of the geometrical object
1358 # @return GEOM::GEOM_Object instance
1359 # @ingroup l2_construct
1360 def GetGeometryByMeshElement(self, theElementID, theGeomName):
1361 return self.smeshpyD.GetGeometryByMeshElement( self.mesh, theElementID, theGeomName )
1363 ## Returns the mesh dimension depending on the dimension of the underlying shape
1364 # or, if the mesh is not based on any shape, basing on deimension of elements
1365 # @return mesh dimension as an integer value [0,3]
1366 # @ingroup l1_auxiliary
1367 def MeshDimension(self):
1368 if self.mesh.HasShapeToMesh():
1369 shells = self.geompyD.SubShapeAllIDs( self.geom, self.geompyD.ShapeType["SOLID"] )
1370 if len( shells ) > 0 :
1372 elif self.geompyD.NumberOfFaces( self.geom ) > 0 :
1374 elif self.geompyD.NumberOfEdges( self.geom ) > 0 :
1379 if self.NbVolumes() > 0: return 3
1380 if self.NbFaces() > 0: return 2
1381 if self.NbEdges() > 0: return 1
1384 ## Evaluates size of prospective mesh on a shape
1385 # @return a list where i-th element is a number of elements of i-th SMESH.EntityType
1386 # To know predicted number of e.g. edges, inquire it this way
1387 # Evaluate()[ EnumToLong( Entity_Edge )]
1388 def Evaluate(self, geom=0):
1389 if geom == 0 or not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
1391 geom = self.mesh.GetShapeToMesh()
1394 return self.smeshpyD.Evaluate(self.mesh, geom)
1397 ## Computes the mesh and returns the status of the computation
1398 # @param geom geomtrical shape on which mesh data should be computed
1399 # @param discardModifs if True and the mesh has been edited since
1400 # a last total re-compute and that may prevent successful partial re-compute,
1401 # then the mesh is cleaned before Compute()
1402 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
1403 # @return True or False
1404 # @ingroup l2_construct
1405 def Compute(self, geom=0, discardModifs=False, refresh=False):
1406 if geom == 0 or not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
1408 geom = self.mesh.GetShapeToMesh()
1413 if discardModifs and self.mesh.HasModificationsToDiscard(): # issue 0020693
1415 ok = self.smeshpyD.Compute(self.mesh, geom)
1416 except SALOME.SALOME_Exception, ex:
1417 print "Mesh computation failed, exception caught:"
1418 print " ", ex.details.text
1421 print "Mesh computation failed, exception caught:"
1422 traceback.print_exc()
1426 # Treat compute errors
1427 computeErrors = self.smeshpyD.GetComputeErrors( self.mesh, geom )
1429 for err in computeErrors:
1430 if self.mesh.HasShapeToMesh():
1431 shapeText = " on %s" % self.GetSubShapeName( err.subShapeID )
1433 stdErrors = ["OK", #COMPERR_OK
1434 "Invalid input mesh", #COMPERR_BAD_INPUT_MESH
1435 "std::exception", #COMPERR_STD_EXCEPTION
1436 "OCC exception", #COMPERR_OCC_EXCEPTION
1437 "..", #COMPERR_SLM_EXCEPTION
1438 "Unknown exception", #COMPERR_EXCEPTION
1439 "Memory allocation problem", #COMPERR_MEMORY_PB
1440 "Algorithm failed", #COMPERR_ALGO_FAILED
1441 "Unexpected geometry", #COMPERR_BAD_SHAPE
1442 "Warning", #COMPERR_WARNING
1443 "Computation cancelled",#COMPERR_CANCELED
1444 "No mesh on sub-shape"] #COMPERR_NO_MESH_ON_SHAPE
1446 if err.code < len(stdErrors): errText = stdErrors[err.code]
1448 errText = "code %s" % -err.code
1449 if errText: errText += ". "
1450 errText += err.comment
1451 if allReasons != "":allReasons += "\n"
1453 allReasons += '- "%s"%s - %s' %(err.algoName, shapeText, errText)
1455 allReasons += '- "%s" failed%s. Error: %s' %(err.algoName, shapeText, errText)
1459 errors = self.smeshpyD.GetAlgoState( self.mesh, geom )
1461 if err.isGlobalAlgo:
1469 reason = '%s %sD algorithm is missing' % (glob, dim)
1470 elif err.state == HYP_MISSING:
1471 reason = ('%s %sD algorithm "%s" misses %sD hypothesis'
1472 % (glob, dim, name, dim))
1473 elif err.state == HYP_NOTCONFORM:
1474 reason = 'Global "Not Conform mesh allowed" hypothesis is missing'
1475 elif err.state == HYP_BAD_PARAMETER:
1476 reason = ('Hypothesis of %s %sD algorithm "%s" has a bad parameter value'
1477 % ( glob, dim, name ))
1478 elif err.state == HYP_BAD_GEOMETRY:
1479 reason = ('%s %sD algorithm "%s" is assigned to mismatching'
1480 'geometry' % ( glob, dim, name ))
1481 elif err.state == HYP_HIDDEN_ALGO:
1482 reason = ('%s %sD algorithm "%s" is ignored due to presence of a %s '
1483 'algorithm of upper dimension generating %sD mesh'
1484 % ( glob, dim, name, glob, dim ))
1486 reason = ("For unknown reason. "
1487 "Developer, revise Mesh.Compute() implementation in smeshBuilder.py!")
1489 if allReasons != "":allReasons += "\n"
1490 allReasons += "- " + reason
1492 if not ok or allReasons != "":
1493 msg = '"' + GetName(self.mesh) + '"'
1494 if ok: msg += " has been computed with warnings"
1495 else: msg += " has not been computed"
1496 if allReasons != "": msg += ":"
1501 if salome.sg.hasDesktop() and self.mesh.GetStudyId() >= 0:
1502 if not isinstance( refresh, list): # not a call from subMesh.Compute()
1503 smeshgui = salome.ImportComponentGUI("SMESH")
1504 smeshgui.Init(self.mesh.GetStudyId())
1505 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), ok, (self.NbNodes()==0) )
1506 if refresh: salome.sg.updateObjBrowser(True)
1510 ## Return a list of error messages (SMESH.ComputeError) of the last Compute()
1511 def GetComputeErrors(self, shape=0 ):
1513 shape = self.mesh.GetShapeToMesh()
1514 return self.smeshpyD.GetComputeErrors( self.mesh, shape )
1516 ## Return a name of a sub-shape by its ID
1517 # @param subShapeID a unique ID of a sub-shape
1518 # @return a string describing the sub-shape; possible variants:
1519 # - "Face_12" (published sub-shape)
1520 # - FACE #3 (not published sub-shape)
1521 # - sub-shape #3 (invalid sub-shape ID)
1522 # - #3 (error in this function)
1523 def GetSubShapeName(self, subShapeID ):
1524 if not self.mesh.HasShapeToMesh():
1528 mainIOR = salome.orb.object_to_string( self.GetShape() )
1529 for sname in salome.myStudyManager.GetOpenStudies():
1530 s = salome.myStudyManager.GetStudyByName(sname)
1532 mainSO = s.FindObjectIOR(mainIOR)
1533 if not mainSO: continue
1535 shapeText = '"%s"' % mainSO.GetName()
1536 subIt = s.NewChildIterator(mainSO)
1538 subSO = subIt.Value()
1540 obj = subSO.GetObject()
1541 if not obj: continue
1542 go = obj._narrow( geomBuilder.GEOM._objref_GEOM_Object )
1545 ids = self.geompyD.GetSubShapeID( self.GetShape(), go )
1548 if ids == subShapeID:
1549 shapeText = '"%s"' % subSO.GetName()
1552 shape = self.geompyD.GetSubShape( self.GetShape(), [subShapeID])
1554 shapeText = '%s #%s' % (shape.GetShapeType(), subShapeID)
1556 shapeText = 'sub-shape #%s' % (subShapeID)
1558 shapeText = "#%s" % (subShapeID)
1561 ## Return a list of sub-shapes meshing of which failed, grouped into GEOM groups by
1562 # error of an algorithm
1563 # @param publish if @c True, the returned groups will be published in the study
1564 # @return a list of GEOM groups each named after a failed algorithm
1565 def GetFailedShapes(self, publish=False):
1568 computeErrors = self.smeshpyD.GetComputeErrors( self.mesh, self.GetShape() )
1569 for err in computeErrors:
1570 shape = self.geompyD.GetSubShape( self.GetShape(), [err.subShapeID])
1571 if not shape: continue
1572 if err.algoName in algo2shapes:
1573 algo2shapes[ err.algoName ].append( shape )
1575 algo2shapes[ err.algoName ] = [ shape ]
1579 for algoName, shapes in algo2shapes.items():
1581 groupType = self.smeshpyD.EnumToLong( shapes[0].GetShapeType() )
1582 otherTypeShapes = []
1584 group = self.geompyD.CreateGroup( self.geom, groupType )
1585 for shape in shapes:
1586 if shape.GetShapeType() == shapes[0].GetShapeType():
1587 sameTypeShapes.append( shape )
1589 otherTypeShapes.append( shape )
1590 self.geompyD.UnionList( group, sameTypeShapes )
1592 group.SetName( "%s %s" % ( algoName, shapes[0].GetShapeType() ))
1594 group.SetName( algoName )
1595 groups.append( group )
1596 shapes = otherTypeShapes
1599 for group in groups:
1600 self.geompyD.addToStudyInFather( self.geom, group, group.GetName() )
1603 ## Return sub-mesh objects list in meshing order
1604 # @return list of lists of sub-meshes
1605 # @ingroup l2_construct
1606 def GetMeshOrder(self):
1607 return self.mesh.GetMeshOrder()
1609 ## Set order in which concurrent sub-meshes sould be meshed
1610 # @param submeshes list of lists of sub-meshes
1611 # @ingroup l2_construct
1612 def SetMeshOrder(self, submeshes):
1613 return self.mesh.SetMeshOrder(submeshes)
1615 ## Removes all nodes and elements
1616 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
1617 # @ingroup l2_construct
1618 def Clear(self, refresh=False):
1620 if ( salome.sg.hasDesktop() and
1621 salome.myStudyManager.GetStudyByID( self.mesh.GetStudyId() ) ):
1622 smeshgui = salome.ImportComponentGUI("SMESH")
1623 smeshgui.Init(self.mesh.GetStudyId())
1624 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), False, True )
1625 if refresh: salome.sg.updateObjBrowser(True)
1627 ## Removes all nodes and elements of indicated shape
1628 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
1629 # @param geomId the ID of a sub-shape to remove elements on
1630 # @ingroup l2_construct
1631 def ClearSubMesh(self, geomId, refresh=False):
1632 self.mesh.ClearSubMesh(geomId)
1633 if salome.sg.hasDesktop():
1634 smeshgui = salome.ImportComponentGUI("SMESH")
1635 smeshgui.Init(self.mesh.GetStudyId())
1636 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), False, True )
1637 if refresh: salome.sg.updateObjBrowser(True)
1639 ## Computes a tetrahedral mesh using AutomaticLength + MEFISTO + Tetrahedron
1640 # @param fineness [0.0,1.0] defines mesh fineness
1641 # @return True or False
1642 # @ingroup l3_algos_basic
1643 def AutomaticTetrahedralization(self, fineness=0):
1644 dim = self.MeshDimension()
1646 self.RemoveGlobalHypotheses()
1647 self.Segment().AutomaticLength(fineness)
1649 self.Triangle().LengthFromEdges()
1654 return self.Compute()
1656 ## Computes an hexahedral mesh using AutomaticLength + Quadrangle + Hexahedron
1657 # @param fineness [0.0, 1.0] defines mesh fineness
1658 # @return True or False
1659 # @ingroup l3_algos_basic
1660 def AutomaticHexahedralization(self, fineness=0):
1661 dim = self.MeshDimension()
1662 # assign the hypotheses
1663 self.RemoveGlobalHypotheses()
1664 self.Segment().AutomaticLength(fineness)
1671 return self.Compute()
1673 ## Assigns a hypothesis
1674 # @param hyp a hypothesis to assign
1675 # @param geom a subhape of mesh geometry
1676 # @return SMESH.Hypothesis_Status
1677 # @ingroup l2_hypotheses
1678 def AddHypothesis(self, hyp, geom=0):
1679 if isinstance( hyp, geomBuilder.GEOM._objref_GEOM_Object ):
1680 hyp, geom = geom, hyp
1681 if isinstance( hyp, Mesh_Algorithm ):
1682 hyp = hyp.GetAlgorithm()
1687 geom = self.mesh.GetShapeToMesh()
1690 if self.mesh.HasShapeToMesh():
1691 hyp_type = hyp.GetName()
1692 lib_name = hyp.GetLibName()
1693 # checkAll = ( not geom.IsSame( self.mesh.GetShapeToMesh() ))
1694 # if checkAll and geom:
1695 # checkAll = geom.GetType() == 37
1697 isApplicable = self.smeshpyD.IsApplicable(hyp_type, lib_name, geom, checkAll)
1699 AssureGeomPublished( self, geom, "shape for %s" % hyp.GetName())
1700 status = self.mesh.AddHypothesis(geom, hyp)
1702 status = HYP_BAD_GEOMETRY,""
1703 hyp_name = GetName( hyp )
1706 geom_name = geom.GetName()
1707 isAlgo = hyp._narrow( SMESH_Algo )
1708 TreatHypoStatus( status, hyp_name, geom_name, isAlgo, self )
1711 ## Return True if an algorithm of hypothesis is assigned to a given shape
1712 # @param hyp a hypothesis to check
1713 # @param geom a subhape of mesh geometry
1714 # @return True of False
1715 # @ingroup l2_hypotheses
1716 def IsUsedHypothesis(self, hyp, geom):
1717 if not hyp: # or not geom
1719 if isinstance( hyp, Mesh_Algorithm ):
1720 hyp = hyp.GetAlgorithm()
1722 hyps = self.GetHypothesisList(geom)
1724 if h.GetId() == hyp.GetId():
1728 ## Unassigns a hypothesis
1729 # @param hyp a hypothesis to unassign
1730 # @param geom a sub-shape of mesh geometry
1731 # @return SMESH.Hypothesis_Status
1732 # @ingroup l2_hypotheses
1733 def RemoveHypothesis(self, hyp, geom=0):
1736 if isinstance( hyp, Mesh_Algorithm ):
1737 hyp = hyp.GetAlgorithm()
1743 if self.IsUsedHypothesis( hyp, shape ):
1744 return self.mesh.RemoveHypothesis( shape, hyp )
1745 hypName = GetName( hyp )
1746 geoName = GetName( shape )
1747 print "WARNING: RemoveHypothesis() failed as '%s' is not assigned to '%s' shape" % ( hypName, geoName )
1750 ## Gets the list of hypotheses added on a geometry
1751 # @param geom a sub-shape of mesh geometry
1752 # @return the sequence of SMESH_Hypothesis
1753 # @ingroup l2_hypotheses
1754 def GetHypothesisList(self, geom):
1755 return self.mesh.GetHypothesisList( geom )
1757 ## Removes all global hypotheses
1758 # @ingroup l2_hypotheses
1759 def RemoveGlobalHypotheses(self):
1760 current_hyps = self.mesh.GetHypothesisList( self.geom )
1761 for hyp in current_hyps:
1762 self.mesh.RemoveHypothesis( self.geom, hyp )
1766 ## Exports the mesh in a file in MED format and chooses the \a version of MED format
1767 ## allowing to overwrite the file if it exists or add the exported data to its contents
1768 # @param f is the file name
1769 # @param auto_groups boolean parameter for creating/not creating
1770 # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
1771 # the typical use is auto_groups=false.
1772 # @param version MED format version(MED_V2_1 or MED_V2_2)
1773 # @param overwrite boolean parameter for overwriting/not overwriting the file
1774 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1775 # @param autoDimension: if @c True (default), a space dimension of a MED mesh can be either
1776 # - 1D if all mesh nodes lie on OX coordinate axis, or
1777 # - 2D if all mesh nodes lie on XOY coordinate plane, or
1778 # - 3D in the rest cases.
1779 # If @a autoDimension is @c False, the space dimension is always 3.
1780 # @param fields : list of GEOM fields defined on the shape to mesh.
1781 # @param geomAssocFields : each character of this string means a need to export a
1782 # corresponding field; correspondence between fields and characters is following:
1783 # - 'v' stands for _vertices_ field;
1784 # - 'e' stands for _edges_ field;
1785 # - 'f' stands for _faces_ field;
1786 # - 's' stands for _solids_ field.
1787 # @ingroup l2_impexp
1788 def ExportMED(self, f, auto_groups=0, version=MED_V2_2,
1789 overwrite=1, meshPart=None, autoDimension=True, fields=[], geomAssocFields=''):
1790 if meshPart or fields or geomAssocFields:
1791 unRegister = genObjUnRegister()
1792 if isinstance( meshPart, list ):
1793 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1794 unRegister.set( meshPart )
1795 self.mesh.ExportPartToMED( meshPart, f, auto_groups, version, overwrite, autoDimension,
1796 fields, geomAssocFields)
1798 self.mesh.ExportToMEDX(f, auto_groups, version, overwrite, autoDimension)
1800 ## Exports the mesh in a file in SAUV format
1801 # @param f is the file name
1802 # @param auto_groups boolean parameter for creating/not creating
1803 # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
1804 # the typical use is auto_groups=false.
1805 # @ingroup l2_impexp
1806 def ExportSAUV(self, f, auto_groups=0):
1807 self.mesh.ExportSAUV(f, auto_groups)
1809 ## Exports the mesh in a file in DAT format
1810 # @param f the file name
1811 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1812 # @ingroup l2_impexp
1813 def ExportDAT(self, f, meshPart=None):
1815 unRegister = genObjUnRegister()
1816 if isinstance( meshPart, list ):
1817 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1818 unRegister.set( meshPart )
1819 self.mesh.ExportPartToDAT( meshPart, f )
1821 self.mesh.ExportDAT(f)
1823 ## Exports the mesh in a file in UNV format
1824 # @param f the file name
1825 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1826 # @ingroup l2_impexp
1827 def ExportUNV(self, f, meshPart=None):
1829 unRegister = genObjUnRegister()
1830 if isinstance( meshPart, list ):
1831 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1832 unRegister.set( meshPart )
1833 self.mesh.ExportPartToUNV( meshPart, f )
1835 self.mesh.ExportUNV(f)
1837 ## Export the mesh in a file in STL format
1838 # @param f the file name
1839 # @param ascii defines the file encoding
1840 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1841 # @ingroup l2_impexp
1842 def ExportSTL(self, f, ascii=1, meshPart=None):
1844 unRegister = genObjUnRegister()
1845 if isinstance( meshPart, list ):
1846 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1847 unRegister.set( meshPart )
1848 self.mesh.ExportPartToSTL( meshPart, f, ascii )
1850 self.mesh.ExportSTL(f, ascii)
1852 ## Exports the mesh in a file in CGNS format
1853 # @param f is the file name
1854 # @param overwrite boolean parameter for overwriting/not overwriting the file
1855 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1856 # @ingroup l2_impexp
1857 def ExportCGNS(self, f, overwrite=1, meshPart=None):
1858 unRegister = genObjUnRegister()
1859 if isinstance( meshPart, list ):
1860 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1861 unRegister.set( meshPart )
1862 if isinstance( meshPart, Mesh ):
1863 meshPart = meshPart.mesh
1865 meshPart = self.mesh
1866 self.mesh.ExportCGNS(meshPart, f, overwrite)
1868 ## Exports the mesh in a file in GMF format.
1869 # GMF files must have .mesh extension for the ASCII format and .meshb for
1870 # the bynary format. Other extensions are not allowed.
1871 # @param f is the file name
1872 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1873 # @ingroup l2_impexp
1874 def ExportGMF(self, f, meshPart=None):
1875 unRegister = genObjUnRegister()
1876 if isinstance( meshPart, list ):
1877 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1878 unRegister.set( meshPart )
1879 if isinstance( meshPart, Mesh ):
1880 meshPart = meshPart.mesh
1882 meshPart = self.mesh
1883 self.mesh.ExportGMF(meshPart, f, True)
1885 ## Deprecated, used only for compatibility! Please, use ExportToMEDX() method instead.
1886 # Exports the mesh in a file in MED format and chooses the \a version of MED format
1887 ## allowing to overwrite the file if it exists or add the exported data to its contents
1888 # @param f the file name
1889 # @param version values are SMESH.MED_V2_1, SMESH.MED_V2_2
1890 # @param opt boolean parameter for creating/not creating
1891 # the groups Group_On_All_Nodes, Group_On_All_Faces, ...
1892 # @param overwrite boolean parameter for overwriting/not overwriting the file
1893 # @param autoDimension: if @c True (default), a space dimension of a MED mesh can be either
1894 # - 1D if all mesh nodes lie on OX coordinate axis, or
1895 # - 2D if all mesh nodes lie on XOY coordinate plane, or
1896 # - 3D in the rest cases.
1898 # If @a autoDimension is @c False, the space dimension is always 3.
1899 # @ingroup l2_impexp
1900 def ExportToMED(self, f, version, opt=0, overwrite=1, autoDimension=True):
1901 self.mesh.ExportToMEDX(f, opt, version, overwrite, autoDimension)
1903 # Operations with groups:
1904 # ----------------------
1906 ## Creates an empty mesh group
1907 # @param elementType the type of elements in the group; either of
1908 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
1909 # @param name the name of the mesh group
1910 # @return SMESH_Group
1911 # @ingroup l2_grps_create
1912 def CreateEmptyGroup(self, elementType, name):
1913 return self.mesh.CreateGroup(elementType, name)
1915 ## Creates a mesh group based on the geometric object \a grp
1916 # and gives a \a name, \n if this parameter is not defined
1917 # the name is the same as the geometric group name \n
1918 # Note: Works like GroupOnGeom().
1919 # @param grp a geometric group, a vertex, an edge, a face or a solid
1920 # @param name the name of the mesh group
1921 # @return SMESH_GroupOnGeom
1922 # @ingroup l2_grps_create
1923 def Group(self, grp, name=""):
1924 return self.GroupOnGeom(grp, name)
1926 ## Creates a mesh group based on the geometrical object \a grp
1927 # and gives a \a name, \n if this parameter is not defined
1928 # the name is the same as the geometrical group name
1929 # @param grp a geometrical group, a vertex, an edge, a face or a solid
1930 # @param name the name of the mesh group
1931 # @param typ the type of elements in the group; either of
1932 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME). If not set, it is
1933 # automatically detected by the type of the geometry
1934 # @return SMESH_GroupOnGeom
1935 # @ingroup l2_grps_create
1936 def GroupOnGeom(self, grp, name="", typ=None):
1937 AssureGeomPublished( self, grp, name )
1939 name = grp.GetName()
1941 typ = self._groupTypeFromShape( grp )
1942 return self.mesh.CreateGroupFromGEOM(typ, name, grp)
1944 ## Pivate method to get a type of group on geometry
1945 def _groupTypeFromShape( self, shape ):
1946 tgeo = str(shape.GetShapeType())
1947 if tgeo == "VERTEX":
1949 elif tgeo == "EDGE":
1951 elif tgeo == "FACE" or tgeo == "SHELL":
1953 elif tgeo == "SOLID" or tgeo == "COMPSOLID":
1955 elif tgeo == "COMPOUND":
1956 sub = self.geompyD.SubShapeAll( shape, self.geompyD.ShapeType["SHAPE"])
1958 raise ValueError,"_groupTypeFromShape(): empty geometric group or compound '%s'" % GetName(shape)
1959 return self._groupTypeFromShape( sub[0] )
1962 "_groupTypeFromShape(): invalid geometry '%s'" % GetName(shape)
1965 ## Creates a mesh group with given \a name based on the \a filter which
1966 ## is a special type of group dynamically updating it's contents during
1967 ## mesh modification
1968 # @param typ the type of elements in the group; either of
1969 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
1970 # @param name the name of the mesh group
1971 # @param filter the filter defining group contents
1972 # @return SMESH_GroupOnFilter
1973 # @ingroup l2_grps_create
1974 def GroupOnFilter(self, typ, name, filter):
1975 return self.mesh.CreateGroupFromFilter(typ, name, filter)
1977 ## Creates a mesh group by the given ids of elements
1978 # @param groupName the name of the mesh group
1979 # @param elementType the type of elements in the group; either of
1980 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
1981 # @param elemIDs either the list of ids, group, sub-mesh, or filter
1982 # @return SMESH_Group
1983 # @ingroup l2_grps_create
1984 def MakeGroupByIds(self, groupName, elementType, elemIDs):
1985 group = self.mesh.CreateGroup(elementType, groupName)
1986 if hasattr( elemIDs, "GetIDs" ):
1987 if hasattr( elemIDs, "SetMesh" ):
1988 elemIDs.SetMesh( self.GetMesh() )
1989 group.AddFrom( elemIDs )
1994 ## Creates a mesh group by the given conditions
1995 # @param groupName the name of the mesh group
1996 # @param elementType the type of elements(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
1997 # @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
1998 # Type SMESH.FunctorType._items in the Python Console to see all values.
1999 # Note that the items starting from FT_LessThan are not suitable for CritType.
2000 # @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
2001 # @param Threshold the threshold value (range of ids as string, shape, numeric)
2002 # @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
2003 # @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
2004 # SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces criteria
2005 # @return SMESH_GroupOnFilter
2006 # @ingroup l2_grps_create
2010 CritType=FT_Undefined,
2013 UnaryOp=FT_Undefined,
2015 aCriterion = self.smeshpyD.GetCriterion(elementType, CritType, Compare, Threshold, UnaryOp, FT_Undefined,Tolerance)
2016 group = self.MakeGroupByCriterion(groupName, aCriterion)
2019 ## Creates a mesh group by the given criterion
2020 # @param groupName the name of the mesh group
2021 # @param Criterion the instance of Criterion class
2022 # @return SMESH_GroupOnFilter
2023 # @ingroup l2_grps_create
2024 def MakeGroupByCriterion(self, groupName, Criterion):
2025 return self.MakeGroupByCriteria( groupName, [Criterion] )
2027 ## Creates a mesh group by the given criteria (list of criteria)
2028 # @param groupName the name of the mesh group
2029 # @param theCriteria the list of criteria
2030 # @param binOp binary operator used when binary operator of criteria is undefined
2031 # @return SMESH_GroupOnFilter
2032 # @ingroup l2_grps_create
2033 def MakeGroupByCriteria(self, groupName, theCriteria, binOp=SMESH.FT_LogicalAND):
2034 aFilter = self.smeshpyD.GetFilterFromCriteria( theCriteria, binOp )
2035 group = self.MakeGroupByFilter(groupName, aFilter)
2038 ## Creates a mesh group by the given filter
2039 # @param groupName the name of the mesh group
2040 # @param theFilter the instance of Filter class
2041 # @return SMESH_GroupOnFilter
2042 # @ingroup l2_grps_create
2043 def MakeGroupByFilter(self, groupName, theFilter):
2044 #group = self.CreateEmptyGroup(theFilter.GetElementType(), groupName)
2045 #theFilter.SetMesh( self.mesh )
2046 #group.AddFrom( theFilter )
2047 group = self.GroupOnFilter( theFilter.GetElementType(), groupName, theFilter )
2051 # @ingroup l2_grps_delete
2052 def RemoveGroup(self, group):
2053 self.mesh.RemoveGroup(group)
2055 ## Removes a group with its contents
2056 # @ingroup l2_grps_delete
2057 def RemoveGroupWithContents(self, group):
2058 self.mesh.RemoveGroupWithContents(group)
2060 ## Gets the list of groups existing in the mesh in the order
2061 # of creation (starting from the oldest one)
2062 # @param elemType type of elements the groups contain; either of
2063 # (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME);
2064 # by default groups of elements of all types are returned
2065 # @return a sequence of SMESH_GroupBase
2066 # @ingroup l2_grps_create
2067 def GetGroups(self, elemType = SMESH.ALL):
2068 groups = self.mesh.GetGroups()
2069 if elemType == SMESH.ALL:
2073 if g.GetType() == elemType:
2074 typedGroups.append( g )
2079 ## Gets the number of groups existing in the mesh
2080 # @return the quantity of groups as an integer value
2081 # @ingroup l2_grps_create
2083 return self.mesh.NbGroups()
2085 ## Gets the list of names of groups existing in the mesh
2086 # @return list of strings
2087 # @ingroup l2_grps_create
2088 def GetGroupNames(self):
2089 groups = self.GetGroups()
2091 for group in groups:
2092 names.append(group.GetName())
2095 ## Finds groups by name and type
2096 # @param name name of the group of interest
2097 # @param elemType type of elements the groups contain; either of
2098 # (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME);
2099 # by default one group of any type of elements is returned
2100 # if elemType == SMESH.ALL then all groups of any type are returned
2101 # @return a list of SMESH_GroupBase's
2102 # @ingroup l2_grps_create
2103 def GetGroupByName(self, name, elemType = None):
2105 for group in self.GetGroups():
2106 if group.GetName() == name:
2107 if elemType is None:
2109 if ( elemType == SMESH.ALL or
2110 group.GetType() == elemType ):
2111 groups.append( group )
2114 ## Produces a union of two groups.
2115 # A new group is created. All mesh elements that are
2116 # present in the initial groups are added to the new one
2117 # @return an instance of SMESH_Group
2118 # @ingroup l2_grps_operon
2119 def UnionGroups(self, group1, group2, name):
2120 return self.mesh.UnionGroups(group1, group2, name)
2122 ## Produces a union list of groups.
2123 # New group is created. All mesh elements that are present in
2124 # initial groups are added to the new one
2125 # @return an instance of SMESH_Group
2126 # @ingroup l2_grps_operon
2127 def UnionListOfGroups(self, groups, name):
2128 return self.mesh.UnionListOfGroups(groups, name)
2130 ## Prodices an intersection of two groups.
2131 # A new group is created. All mesh elements that are common
2132 # for the two initial groups are added to the new one.
2133 # @return an instance of SMESH_Group
2134 # @ingroup l2_grps_operon
2135 def IntersectGroups(self, group1, group2, name):
2136 return self.mesh.IntersectGroups(group1, group2, name)
2138 ## Produces an intersection of groups.
2139 # New group is created. All mesh elements that are present in all
2140 # initial groups simultaneously are added to the new one
2141 # @return an instance of SMESH_Group
2142 # @ingroup l2_grps_operon
2143 def IntersectListOfGroups(self, groups, name):
2144 return self.mesh.IntersectListOfGroups(groups, name)
2146 ## Produces a cut of two groups.
2147 # A new group is created. All mesh elements that are present in
2148 # the main group but are not present in the tool group are added to the new one
2149 # @return an instance of SMESH_Group
2150 # @ingroup l2_grps_operon
2151 def CutGroups(self, main_group, tool_group, name):
2152 return self.mesh.CutGroups(main_group, tool_group, name)
2154 ## Produces a cut of groups.
2155 # A new group is created. All mesh elements that are present in main groups
2156 # but do not present in tool groups are added to the new one
2157 # @return an instance of SMESH_Group
2158 # @ingroup l2_grps_operon
2159 def CutListOfGroups(self, main_groups, tool_groups, name):
2160 return self.mesh.CutListOfGroups(main_groups, tool_groups, name)
2163 # Create a standalone group of entities basing on nodes of other groups.
2164 # \param groups - list of reference groups, sub-meshes or filters, of any type.
2165 # \param elemType - a type of elements to include to the new group; either of
2166 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
2167 # \param name - a name of the new group.
2168 # \param nbCommonNodes - a criterion of inclusion of an element to the new group
2169 # basing on number of element nodes common with reference \a groups.
2170 # Meaning of possible values are:
2171 # - SMESH.ALL_NODES - include if all nodes are common,
2172 # - SMESH.MAIN - include if all corner nodes are common (meaningful for a quadratic mesh),
2173 # - SMESH.AT_LEAST_ONE - include if one or more node is common,
2174 # - SMEHS.MAJORITY - include if half of nodes or more are common.
2175 # \param underlyingOnly - if \c True (default), an element is included to the
2176 # new group provided that it is based on nodes of an element of \a groups;
2177 # in this case the reference \a groups are supposed to be of higher dimension
2178 # than \a elemType, which can be useful for example to get all faces lying on
2179 # volumes of the reference \a groups.
2180 # @return an instance of SMESH_Group
2181 # @ingroup l2_grps_operon
2182 def CreateDimGroup(self, groups, elemType, name,
2183 nbCommonNodes = SMESH.ALL_NODES, underlyingOnly = True):
2184 if isinstance( groups, SMESH._objref_SMESH_IDSource ):
2186 return self.mesh.CreateDimGroup(groups, elemType, name, nbCommonNodes, underlyingOnly)
2189 ## Convert group on geom into standalone group
2190 # @ingroup l2_grps_edit
2191 def ConvertToStandalone(self, group):
2192 return self.mesh.ConvertToStandalone(group)
2194 # Get some info about mesh:
2195 # ------------------------
2197 ## Returns the log of nodes and elements added or removed
2198 # since the previous clear of the log.
2199 # @param clearAfterGet log is emptied after Get (safe if concurrents access)
2200 # @return list of log_block structures:
2205 # @ingroup l1_auxiliary
2206 def GetLog(self, clearAfterGet):
2207 return self.mesh.GetLog(clearAfterGet)
2209 ## Clears the log of nodes and elements added or removed since the previous
2210 # clear. Must be used immediately after GetLog if clearAfterGet is false.
2211 # @ingroup l1_auxiliary
2213 self.mesh.ClearLog()
2215 ## Toggles auto color mode on the object.
2216 # @param theAutoColor the flag which toggles auto color mode.
2217 # @ingroup l1_auxiliary
2218 def SetAutoColor(self, theAutoColor):
2219 self.mesh.SetAutoColor(theAutoColor)
2221 ## Gets flag of object auto color mode.
2222 # @return True or False
2223 # @ingroup l1_auxiliary
2224 def GetAutoColor(self):
2225 return self.mesh.GetAutoColor()
2227 ## Gets the internal ID
2228 # @return integer value, which is the internal Id of the mesh
2229 # @ingroup l1_auxiliary
2231 return self.mesh.GetId()
2234 # @return integer value, which is the study Id of the mesh
2235 # @ingroup l1_auxiliary
2236 def GetStudyId(self):
2237 return self.mesh.GetStudyId()
2239 ## Checks the group names for duplications.
2240 # Consider the maximum group name length stored in MED file.
2241 # @return True or False
2242 # @ingroup l1_auxiliary
2243 def HasDuplicatedGroupNamesMED(self):
2244 return self.mesh.HasDuplicatedGroupNamesMED()
2246 ## Obtains the mesh editor tool
2247 # @return an instance of SMESH_MeshEditor
2248 # @ingroup l1_modifying
2249 def GetMeshEditor(self):
2252 ## Wrap a list of IDs of elements or nodes into SMESH_IDSource which
2253 # can be passed as argument to a method accepting mesh, group or sub-mesh
2254 # @param ids list of IDs
2255 # @param elemType type of elements; this parameter is used to distinguish
2256 # IDs of nodes from IDs of elements; by default ids are treated as
2257 # IDs of elements; use SMESH.NODE if ids are IDs of nodes.
2258 # @return an instance of SMESH_IDSource
2259 # @warning call UnRegister() for the returned object as soon as it is no more useful:
2260 # idSrc = mesh.GetIDSource( [1,3,5], SMESH.NODE )
2261 # mesh.DoSomething( idSrc )
2262 # idSrc.UnRegister()
2263 # @ingroup l1_auxiliary
2264 def GetIDSource(self, ids, elemType = SMESH.ALL):
2265 if isinstance( ids, int ):
2267 return self.editor.MakeIDSource(ids, elemType)
2270 # Get informations about mesh contents:
2271 # ------------------------------------
2273 ## Gets the mesh stattistic
2274 # @return dictionary type element - count of elements
2275 # @ingroup l1_meshinfo
2276 def GetMeshInfo(self, obj = None):
2277 if not obj: obj = self.mesh
2278 return self.smeshpyD.GetMeshInfo(obj)
2280 ## Returns the number of nodes in the mesh
2281 # @return an integer value
2282 # @ingroup l1_meshinfo
2284 return self.mesh.NbNodes()
2286 ## Returns the number of elements in the mesh
2287 # @return an integer value
2288 # @ingroup l1_meshinfo
2289 def NbElements(self):
2290 return self.mesh.NbElements()
2292 ## Returns the number of 0d elements in the mesh
2293 # @return an integer value
2294 # @ingroup l1_meshinfo
2295 def Nb0DElements(self):
2296 return self.mesh.Nb0DElements()
2298 ## Returns the number of ball discrete elements in the mesh
2299 # @return an integer value
2300 # @ingroup l1_meshinfo
2302 return self.mesh.NbBalls()
2304 ## Returns the number of edges in the mesh
2305 # @return an integer value
2306 # @ingroup l1_meshinfo
2308 return self.mesh.NbEdges()
2310 ## Returns the number of edges with the given order in the mesh
2311 # @param elementOrder the order of elements:
2312 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2313 # @return an integer value
2314 # @ingroup l1_meshinfo
2315 def NbEdgesOfOrder(self, elementOrder):
2316 return self.mesh.NbEdgesOfOrder(elementOrder)
2318 ## Returns the number of faces in the mesh
2319 # @return an integer value
2320 # @ingroup l1_meshinfo
2322 return self.mesh.NbFaces()
2324 ## Returns the number of faces with the given order in the mesh
2325 # @param elementOrder the order of elements:
2326 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2327 # @return an integer value
2328 # @ingroup l1_meshinfo
2329 def NbFacesOfOrder(self, elementOrder):
2330 return self.mesh.NbFacesOfOrder(elementOrder)
2332 ## Returns the number of triangles in the mesh
2333 # @return an integer value
2334 # @ingroup l1_meshinfo
2335 def NbTriangles(self):
2336 return self.mesh.NbTriangles()
2338 ## Returns the number of triangles with the given order in the mesh
2339 # @param elementOrder is the order of elements:
2340 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2341 # @return an integer value
2342 # @ingroup l1_meshinfo
2343 def NbTrianglesOfOrder(self, elementOrder):
2344 return self.mesh.NbTrianglesOfOrder(elementOrder)
2346 ## Returns the number of biquadratic triangles in the mesh
2347 # @return an integer value
2348 # @ingroup l1_meshinfo
2349 def NbBiQuadTriangles(self):
2350 return self.mesh.NbBiQuadTriangles()
2352 ## Returns the number of quadrangles in the mesh
2353 # @return an integer value
2354 # @ingroup l1_meshinfo
2355 def NbQuadrangles(self):
2356 return self.mesh.NbQuadrangles()
2358 ## Returns the number of quadrangles with the given order in the mesh
2359 # @param elementOrder the order of elements:
2360 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2361 # @return an integer value
2362 # @ingroup l1_meshinfo
2363 def NbQuadranglesOfOrder(self, elementOrder):
2364 return self.mesh.NbQuadranglesOfOrder(elementOrder)
2366 ## Returns the number of biquadratic quadrangles in the mesh
2367 # @return an integer value
2368 # @ingroup l1_meshinfo
2369 def NbBiQuadQuadrangles(self):
2370 return self.mesh.NbBiQuadQuadrangles()
2372 ## Returns the number of polygons of given order in the mesh
2373 # @param elementOrder the order of elements:
2374 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2375 # @return an integer value
2376 # @ingroup l1_meshinfo
2377 def NbPolygons(self, elementOrder = SMESH.ORDER_ANY):
2378 return self.mesh.NbPolygonsOfOrder(elementOrder)
2380 ## Returns the number of volumes in the mesh
2381 # @return an integer value
2382 # @ingroup l1_meshinfo
2383 def NbVolumes(self):
2384 return self.mesh.NbVolumes()
2386 ## Returns the number of volumes with the given order in the mesh
2387 # @param elementOrder the order of elements:
2388 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2389 # @return an integer value
2390 # @ingroup l1_meshinfo
2391 def NbVolumesOfOrder(self, elementOrder):
2392 return self.mesh.NbVolumesOfOrder(elementOrder)
2394 ## Returns the number of tetrahedrons in the mesh
2395 # @return an integer value
2396 # @ingroup l1_meshinfo
2398 return self.mesh.NbTetras()
2400 ## Returns the number of tetrahedrons with the given order in the mesh
2401 # @param elementOrder the order of elements:
2402 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2403 # @return an integer value
2404 # @ingroup l1_meshinfo
2405 def NbTetrasOfOrder(self, elementOrder):
2406 return self.mesh.NbTetrasOfOrder(elementOrder)
2408 ## Returns the number of hexahedrons in the mesh
2409 # @return an integer value
2410 # @ingroup l1_meshinfo
2412 return self.mesh.NbHexas()
2414 ## Returns the number of hexahedrons with the given order in the mesh
2415 # @param elementOrder the order of elements:
2416 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2417 # @return an integer value
2418 # @ingroup l1_meshinfo
2419 def NbHexasOfOrder(self, elementOrder):
2420 return self.mesh.NbHexasOfOrder(elementOrder)
2422 ## Returns the number of triquadratic hexahedrons in the mesh
2423 # @return an integer value
2424 # @ingroup l1_meshinfo
2425 def NbTriQuadraticHexas(self):
2426 return self.mesh.NbTriQuadraticHexas()
2428 ## Returns the number of pyramids in the mesh
2429 # @return an integer value
2430 # @ingroup l1_meshinfo
2431 def NbPyramids(self):
2432 return self.mesh.NbPyramids()
2434 ## Returns the number of pyramids with the given order in the mesh
2435 # @param elementOrder the order of elements:
2436 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2437 # @return an integer value
2438 # @ingroup l1_meshinfo
2439 def NbPyramidsOfOrder(self, elementOrder):
2440 return self.mesh.NbPyramidsOfOrder(elementOrder)
2442 ## Returns the number of prisms in the mesh
2443 # @return an integer value
2444 # @ingroup l1_meshinfo
2446 return self.mesh.NbPrisms()
2448 ## Returns the number of prisms with the given order in the mesh
2449 # @param elementOrder the order of elements:
2450 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2451 # @return an integer value
2452 # @ingroup l1_meshinfo
2453 def NbPrismsOfOrder(self, elementOrder):
2454 return self.mesh.NbPrismsOfOrder(elementOrder)
2456 ## Returns the number of hexagonal prisms in the mesh
2457 # @return an integer value
2458 # @ingroup l1_meshinfo
2459 def NbHexagonalPrisms(self):
2460 return self.mesh.NbHexagonalPrisms()
2462 ## Returns the number of polyhedrons in the mesh
2463 # @return an integer value
2464 # @ingroup l1_meshinfo
2465 def NbPolyhedrons(self):
2466 return self.mesh.NbPolyhedrons()
2468 ## Returns the number of submeshes in the mesh
2469 # @return an integer value
2470 # @ingroup l1_meshinfo
2471 def NbSubMesh(self):
2472 return self.mesh.NbSubMesh()
2474 ## Returns the list of mesh elements IDs
2475 # @return the list of integer values
2476 # @ingroup l1_meshinfo
2477 def GetElementsId(self):
2478 return self.mesh.GetElementsId()
2480 ## Returns the list of IDs of mesh elements with the given type
2481 # @param elementType the required type of elements, either of
2482 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
2483 # @return list of integer values
2484 # @ingroup l1_meshinfo
2485 def GetElementsByType(self, elementType):
2486 return self.mesh.GetElementsByType(elementType)
2488 ## Returns the list of mesh nodes IDs
2489 # @return the list of integer values
2490 # @ingroup l1_meshinfo
2491 def GetNodesId(self):
2492 return self.mesh.GetNodesId()
2494 # Get the information about mesh elements:
2495 # ------------------------------------
2497 ## Returns the type of mesh element
2498 # @return the value from SMESH::ElementType enumeration
2499 # Type SMESH.ElementType._items in the Python Console to see all possible values.
2500 # @ingroup l1_meshinfo
2501 def GetElementType(self, id, iselem=True):
2502 return self.mesh.GetElementType(id, iselem)
2504 ## Returns the geometric type of mesh element
2505 # @return the value from SMESH::EntityType enumeration
2506 # Type SMESH.EntityType._items in the Python Console to see all possible values.
2507 # @ingroup l1_meshinfo
2508 def GetElementGeomType(self, id):
2509 return self.mesh.GetElementGeomType(id)
2511 ## Returns the shape type of mesh element
2512 # @return the value from SMESH::GeometryType enumeration.
2513 # Type SMESH.GeometryType._items in the Python Console to see all possible values.
2514 # @ingroup l1_meshinfo
2515 def GetElementShape(self, id):
2516 return self.mesh.GetElementShape(id)
2518 ## Returns the list of submesh elements IDs
2519 # @param Shape a geom object(sub-shape)
2520 # Shape must be the sub-shape of a ShapeToMesh()
2521 # @return the list of integer values
2522 # @ingroup l1_meshinfo
2523 def GetSubMeshElementsId(self, Shape):
2524 if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
2525 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2528 return self.mesh.GetSubMeshElementsId(ShapeID)
2530 ## Returns the list of submesh nodes IDs
2531 # @param Shape a geom object(sub-shape)
2532 # Shape must be the sub-shape of a ShapeToMesh()
2533 # @param all If true, gives all nodes of submesh elements, otherwise gives only submesh nodes
2534 # @return the list of integer values
2535 # @ingroup l1_meshinfo
2536 def GetSubMeshNodesId(self, Shape, all):
2537 if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
2538 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2541 return self.mesh.GetSubMeshNodesId(ShapeID, all)
2543 ## Returns type of elements on given shape
2544 # @param Shape a geom object(sub-shape)
2545 # Shape must be a sub-shape of a ShapeToMesh()
2546 # @return element type
2547 # @ingroup l1_meshinfo
2548 def GetSubMeshElementType(self, Shape):
2549 if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
2550 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2553 return self.mesh.GetSubMeshElementType(ShapeID)
2555 ## Gets the mesh description
2556 # @return string value
2557 # @ingroup l1_meshinfo
2559 return self.mesh.Dump()
2562 # Get the information about nodes and elements of a mesh by its IDs:
2563 # -----------------------------------------------------------
2565 ## Gets XYZ coordinates of a node
2566 # \n If there is no nodes for the given ID - returns an empty list
2567 # @return a list of double precision values
2568 # @ingroup l1_meshinfo
2569 def GetNodeXYZ(self, id):
2570 return self.mesh.GetNodeXYZ(id)
2572 ## Returns list of IDs of inverse elements for the given node
2573 # \n If there is no node for the given ID - returns an empty list
2574 # @return a list of integer values
2575 # @ingroup l1_meshinfo
2576 def GetNodeInverseElements(self, id):
2577 return self.mesh.GetNodeInverseElements(id)
2579 ## @brief Returns the position of a node on the shape
2580 # @return SMESH::NodePosition
2581 # @ingroup l1_meshinfo
2582 def GetNodePosition(self,NodeID):
2583 return self.mesh.GetNodePosition(NodeID)
2585 ## @brief Returns the position of an element on the shape
2586 # @return SMESH::ElementPosition
2587 # @ingroup l1_meshinfo
2588 def GetElementPosition(self,ElemID):
2589 return self.mesh.GetElementPosition(ElemID)
2591 ## Returns the ID of the shape, on which the given node was generated.
2592 # @return an integer value > 0 or -1 if there is no node for the given
2593 # ID or the node is not assigned to any geometry
2594 # @ingroup l1_meshinfo
2595 def GetShapeID(self, id):
2596 return self.mesh.GetShapeID(id)
2598 ## Returns the ID of the shape, on which the given element was generated.
2599 # @return an integer value > 0 or -1 if there is no element for the given
2600 # ID or the element is not assigned to any geometry
2601 # @ingroup l1_meshinfo
2602 def GetShapeIDForElem(self,id):
2603 return self.mesh.GetShapeIDForElem(id)
2605 ## Returns the number of nodes of the given element
2606 # @return an integer value > 0 or -1 if there is no element for the given ID
2607 # @ingroup l1_meshinfo
2608 def GetElemNbNodes(self, id):
2609 return self.mesh.GetElemNbNodes(id)
2611 ## Returns the node ID the given (zero based) index for the given element
2612 # \n If there is no element for the given ID - returns -1
2613 # \n If there is no node for the given index - returns -2
2614 # @return an integer value
2615 # @ingroup l1_meshinfo
2616 def GetElemNode(self, id, index):
2617 return self.mesh.GetElemNode(id, index)
2619 ## Returns the IDs of nodes of the given element
2620 # @return a list of integer values
2621 # @ingroup l1_meshinfo
2622 def GetElemNodes(self, id):
2623 return self.mesh.GetElemNodes(id)
2625 ## Returns true if the given node is the medium node in the given quadratic element
2626 # @ingroup l1_meshinfo
2627 def IsMediumNode(self, elementID, nodeID):
2628 return self.mesh.IsMediumNode(elementID, nodeID)
2630 ## Returns true if the given node is the medium node in one of quadratic elements
2631 # @param nodeID ID of the node
2632 # @param elementType the type of elements to check a state of the node, either of
2633 # (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
2634 # @ingroup l1_meshinfo
2635 def IsMediumNodeOfAnyElem(self, nodeID, elementType = SMESH.ALL ):
2636 return self.mesh.IsMediumNodeOfAnyElem(nodeID, elementType)
2638 ## Returns the number of edges for the given element
2639 # @ingroup l1_meshinfo
2640 def ElemNbEdges(self, id):
2641 return self.mesh.ElemNbEdges(id)
2643 ## Returns the number of faces for the given element
2644 # @ingroup l1_meshinfo
2645 def ElemNbFaces(self, id):
2646 return self.mesh.ElemNbFaces(id)
2648 ## Returns nodes of given face (counted from zero) for given volumic element.
2649 # @ingroup l1_meshinfo
2650 def GetElemFaceNodes(self,elemId, faceIndex):
2651 return self.mesh.GetElemFaceNodes(elemId, faceIndex)
2653 ## Returns three components of normal of given mesh face
2654 # (or an empty array in KO case)
2655 # @ingroup l1_meshinfo
2656 def GetFaceNormal(self, faceId, normalized=False):
2657 return self.mesh.GetFaceNormal(faceId,normalized)
2659 ## Returns an element based on all given nodes.
2660 # @ingroup l1_meshinfo
2661 def FindElementByNodes(self,nodes):
2662 return self.mesh.FindElementByNodes(nodes)
2664 ## Returns true if the given element is a polygon
2665 # @ingroup l1_meshinfo
2666 def IsPoly(self, id):
2667 return self.mesh.IsPoly(id)
2669 ## Returns true if the given element is quadratic
2670 # @ingroup l1_meshinfo
2671 def IsQuadratic(self, id):
2672 return self.mesh.IsQuadratic(id)
2674 ## Returns diameter of a ball discrete element or zero in case of an invalid \a id
2675 # @ingroup l1_meshinfo
2676 def GetBallDiameter(self, id):
2677 return self.mesh.GetBallDiameter(id)
2679 ## Returns XYZ coordinates of the barycenter of the given element
2680 # \n If there is no element for the given ID - returns an empty list
2681 # @return a list of three double values
2682 # @ingroup l1_meshinfo
2683 def BaryCenter(self, id):
2684 return self.mesh.BaryCenter(id)
2686 ## Passes mesh elements through the given filter and return IDs of fitting elements
2687 # @param theFilter SMESH_Filter
2688 # @return a list of ids
2689 # @ingroup l1_controls
2690 def GetIdsFromFilter(self, theFilter):
2691 theFilter.SetMesh( self.mesh )
2692 return theFilter.GetIDs()
2694 ## Verifies whether a 2D mesh element has free edges (edges connected to one face only)\n
2695 # Returns a list of special structures (borders).
2696 # @return a list of SMESH.FreeEdges.Border structure: edge id and ids of two its nodes.
2697 # @ingroup l1_controls
2698 def GetFreeBorders(self):
2699 aFilterMgr = self.smeshpyD.CreateFilterManager()
2700 aPredicate = aFilterMgr.CreateFreeEdges()
2701 aPredicate.SetMesh(self.mesh)
2702 aBorders = aPredicate.GetBorders()
2703 aFilterMgr.UnRegister()
2707 # Get mesh measurements information:
2708 # ------------------------------------
2710 ## Get minimum distance between two nodes, elements or distance to the origin
2711 # @param id1 first node/element id
2712 # @param id2 second node/element id (if 0, distance from @a id1 to the origin is computed)
2713 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
2714 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
2715 # @return minimum distance value
2716 # @sa GetMinDistance()
2717 def MinDistance(self, id1, id2=0, isElem1=False, isElem2=False):
2718 aMeasure = self.GetMinDistance(id1, id2, isElem1, isElem2)
2719 return aMeasure.value
2721 ## Get measure structure specifying minimum distance data between two objects
2722 # @param id1 first node/element id
2723 # @param id2 second node/element id (if 0, distance from @a id1 to the origin is computed)
2724 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
2725 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
2726 # @return Measure structure
2728 def GetMinDistance(self, id1, id2=0, isElem1=False, isElem2=False):
2730 id1 = self.editor.MakeIDSource([id1], SMESH.FACE)
2732 id1 = self.editor.MakeIDSource([id1], SMESH.NODE)
2735 id2 = self.editor.MakeIDSource([id2], SMESH.FACE)
2737 id2 = self.editor.MakeIDSource([id2], SMESH.NODE)
2742 aMeasurements = self.smeshpyD.CreateMeasurements()
2743 aMeasure = aMeasurements.MinDistance(id1, id2)
2744 genObjUnRegister([aMeasurements,id1, id2])
2747 ## Get bounding box of the specified object(s)
2748 # @param objects single source object or list of source objects or list of nodes/elements IDs
2749 # @param isElem if @a objects is a list of IDs, @c True value in this parameters specifies that @a objects are elements,
2750 # @c False specifies that @a objects are nodes
2751 # @return tuple of six values (minX, minY, minZ, maxX, maxY, maxZ)
2752 # @sa GetBoundingBox()
2753 def BoundingBox(self, objects=None, isElem=False):
2754 result = self.GetBoundingBox(objects, isElem)
2758 result = (result.minX, result.minY, result.minZ, result.maxX, result.maxY, result.maxZ)
2761 ## Get measure structure specifying bounding box data of the specified object(s)
2762 # @param IDs single source object or list of source objects or list of nodes/elements IDs
2763 # @param isElem if @a IDs is a list of IDs, @c True value in this parameters specifies that @a objects are elements,
2764 # @c False specifies that @a objects are nodes
2765 # @return Measure structure
2767 def GetBoundingBox(self, IDs=None, isElem=False):
2770 elif isinstance(IDs, tuple):
2772 if not isinstance(IDs, list):
2774 if len(IDs) > 0 and isinstance(IDs[0], int):
2777 unRegister = genObjUnRegister()
2779 if isinstance(o, Mesh):
2780 srclist.append(o.mesh)
2781 elif hasattr(o, "_narrow"):
2782 src = o._narrow(SMESH.SMESH_IDSource)
2783 if src: srclist.append(src)
2785 elif isinstance(o, list):
2787 srclist.append(self.editor.MakeIDSource(o, SMESH.FACE))
2789 srclist.append(self.editor.MakeIDSource(o, SMESH.NODE))
2790 unRegister.set( srclist[-1] )
2793 aMeasurements = self.smeshpyD.CreateMeasurements()
2794 unRegister.set( aMeasurements )
2795 aMeasure = aMeasurements.BoundingBox(srclist)
2798 # Mesh edition (SMESH_MeshEditor functionality):
2799 # ---------------------------------------------
2801 ## Removes the elements from the mesh by ids
2802 # @param IDsOfElements is a list of ids of elements to remove
2803 # @return True or False
2804 # @ingroup l2_modif_del
2805 def RemoveElements(self, IDsOfElements):
2806 return self.editor.RemoveElements(IDsOfElements)
2808 ## Removes nodes from mesh by ids
2809 # @param IDsOfNodes is a list of ids of nodes to remove
2810 # @return True or False
2811 # @ingroup l2_modif_del
2812 def RemoveNodes(self, IDsOfNodes):
2813 return self.editor.RemoveNodes(IDsOfNodes)
2815 ## Removes all orphan (free) nodes from mesh
2816 # @return number of the removed nodes
2817 # @ingroup l2_modif_del
2818 def RemoveOrphanNodes(self):
2819 return self.editor.RemoveOrphanNodes()
2821 ## Add a node to the mesh by coordinates
2822 # @return Id of the new node
2823 # @ingroup l2_modif_add
2824 def AddNode(self, x, y, z):
2825 x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
2826 if hasVars: self.mesh.SetParameters(Parameters)
2827 return self.editor.AddNode( x, y, z)
2829 ## Creates a 0D element on a node with given number.
2830 # @param IDOfNode the ID of node for creation of the element.
2831 # @param DuplicateElements to add one more 0D element to a node or not
2832 # @return the Id of the new 0D element
2833 # @ingroup l2_modif_add
2834 def Add0DElement( self, IDOfNode, DuplicateElements=True ):
2835 return self.editor.Add0DElement( IDOfNode, DuplicateElements )
2837 ## Create 0D elements on all nodes of the given elements except those
2838 # nodes on which a 0D element already exists.
2839 # @param theObject an object on whose nodes 0D elements will be created.
2840 # It can be mesh, sub-mesh, group, list of element IDs or a holder
2841 # of nodes IDs created by calling mesh.GetIDSource( nodes, SMESH.NODE )
2842 # @param theGroupName optional name of a group to add 0D elements created
2843 # and/or found on nodes of \a theObject.
2844 # @param DuplicateElements to add one more 0D element to a node or not
2845 # @return an object (a new group or a temporary SMESH_IDSource) holding
2846 # IDs of new and/or found 0D elements. IDs of 0D elements
2847 # can be retrieved from the returned object by calling GetIDs()
2848 # @ingroup l2_modif_add
2849 def Add0DElementsToAllNodes(self, theObject, theGroupName="", DuplicateElements=False):
2850 unRegister = genObjUnRegister()
2851 if isinstance( theObject, Mesh ):
2852 theObject = theObject.GetMesh()
2853 elif isinstance( theObject, list ):
2854 theObject = self.GetIDSource( theObject, SMESH.ALL )
2855 unRegister.set( theObject )
2856 return self.editor.Create0DElementsOnAllNodes( theObject, theGroupName, DuplicateElements )
2858 ## Creates a ball element on a node with given ID.
2859 # @param IDOfNode the ID of node for creation of the element.
2860 # @param diameter the bal diameter.
2861 # @return the Id of the new ball element
2862 # @ingroup l2_modif_add
2863 def AddBall(self, IDOfNode, diameter):
2864 return self.editor.AddBall( IDOfNode, diameter )
2866 ## Creates a linear or quadratic edge (this is determined
2867 # by the number of given nodes).
2868 # @param IDsOfNodes the list of node IDs for creation of the element.
2869 # The order of nodes in this list should correspond to the description
2870 # of MED. \n This description is located by the following link:
2871 # http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
2872 # @return the Id of the new edge
2873 # @ingroup l2_modif_add
2874 def AddEdge(self, IDsOfNodes):
2875 return self.editor.AddEdge(IDsOfNodes)
2877 ## Creates a linear or quadratic face (this is determined
2878 # by the number of given nodes).
2879 # @param IDsOfNodes the list of node IDs for creation of the element.
2880 # The order of nodes in this list should correspond to the description
2881 # of MED. \n This description is located by the following link:
2882 # http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
2883 # @return the Id of the new face
2884 # @ingroup l2_modif_add
2885 def AddFace(self, IDsOfNodes):
2886 return self.editor.AddFace(IDsOfNodes)
2888 ## Adds a polygonal face to the mesh by the list of node IDs
2889 # @param IdsOfNodes the list of node IDs for creation of the element.
2890 # @return the Id of the new face
2891 # @ingroup l2_modif_add
2892 def AddPolygonalFace(self, IdsOfNodes):
2893 return self.editor.AddPolygonalFace(IdsOfNodes)
2895 ## Adds a quadratic polygonal face to the mesh by the list of node IDs
2896 # @param IdsOfNodes the list of node IDs for creation of the element;
2897 # corner nodes follow first.
2898 # @return the Id of the new face
2899 # @ingroup l2_modif_add
2900 def AddQuadPolygonalFace(self, IdsOfNodes):
2901 return self.editor.AddQuadPolygonalFace(IdsOfNodes)
2903 ## Creates both simple and quadratic volume (this is determined
2904 # by the number of given nodes).
2905 # @param IDsOfNodes the list of node IDs for creation of the element.
2906 # The order of nodes in this list should correspond to the description
2907 # of MED. \n This description is located by the following link:
2908 # http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
2909 # @return the Id of the new volumic element
2910 # @ingroup l2_modif_add
2911 def AddVolume(self, IDsOfNodes):
2912 return self.editor.AddVolume(IDsOfNodes)
2914 ## Creates a volume of many faces, giving nodes for each face.
2915 # @param IdsOfNodes the list of node IDs for volume creation face by face.
2916 # @param Quantities the list of integer values, Quantities[i]
2917 # gives the quantity of nodes in face number i.
2918 # @return the Id of the new volumic element
2919 # @ingroup l2_modif_add
2920 def AddPolyhedralVolume (self, IdsOfNodes, Quantities):
2921 return self.editor.AddPolyhedralVolume(IdsOfNodes, Quantities)
2923 ## Creates a volume of many faces, giving the IDs of the existing faces.
2924 # @param IdsOfFaces the list of face IDs for volume creation.
2926 # Note: The created volume will refer only to the nodes
2927 # of the given faces, not to the faces themselves.
2928 # @return the Id of the new volumic element
2929 # @ingroup l2_modif_add
2930 def AddPolyhedralVolumeByFaces (self, IdsOfFaces):
2931 return self.editor.AddPolyhedralVolumeByFaces(IdsOfFaces)
2934 ## @brief Binds a node to a vertex
2935 # @param NodeID a node ID
2936 # @param Vertex a vertex or vertex ID
2937 # @return True if succeed else raises an exception
2938 # @ingroup l2_modif_add
2939 def SetNodeOnVertex(self, NodeID, Vertex):
2940 if ( isinstance( Vertex, geomBuilder.GEOM._objref_GEOM_Object)):
2941 VertexID = self.geompyD.GetSubShapeID( self.geom, Vertex )
2945 self.editor.SetNodeOnVertex(NodeID, VertexID)
2946 except SALOME.SALOME_Exception, inst:
2947 raise ValueError, inst.details.text
2951 ## @brief Stores the node position on an edge
2952 # @param NodeID a node ID
2953 # @param Edge an edge or edge ID
2954 # @param paramOnEdge a parameter on the edge where the node is located
2955 # @return True if succeed else raises an exception
2956 # @ingroup l2_modif_add
2957 def SetNodeOnEdge(self, NodeID, Edge, paramOnEdge):
2958 if ( isinstance( Edge, geomBuilder.GEOM._objref_GEOM_Object)):
2959 EdgeID = self.geompyD.GetSubShapeID( self.geom, Edge )
2963 self.editor.SetNodeOnEdge(NodeID, EdgeID, paramOnEdge)
2964 except SALOME.SALOME_Exception, inst:
2965 raise ValueError, inst.details.text
2968 ## @brief Stores node position on a face
2969 # @param NodeID a node ID
2970 # @param Face a face or face ID
2971 # @param u U parameter on the face where the node is located
2972 # @param v V parameter on the face where the node is located
2973 # @return True if succeed else raises an exception
2974 # @ingroup l2_modif_add
2975 def SetNodeOnFace(self, NodeID, Face, u, v):
2976 if ( isinstance( Face, geomBuilder.GEOM._objref_GEOM_Object)):
2977 FaceID = self.geompyD.GetSubShapeID( self.geom, Face )
2981 self.editor.SetNodeOnFace(NodeID, FaceID, u, v)
2982 except SALOME.SALOME_Exception, inst:
2983 raise ValueError, inst.details.text
2986 ## @brief Binds a node to a solid
2987 # @param NodeID a node ID
2988 # @param Solid a solid or solid ID
2989 # @return True if succeed else raises an exception
2990 # @ingroup l2_modif_add
2991 def SetNodeInVolume(self, NodeID, Solid):
2992 if ( isinstance( Solid, geomBuilder.GEOM._objref_GEOM_Object)):
2993 SolidID = self.geompyD.GetSubShapeID( self.geom, Solid )
2997 self.editor.SetNodeInVolume(NodeID, SolidID)
2998 except SALOME.SALOME_Exception, inst:
2999 raise ValueError, inst.details.text
3002 ## @brief Bind an element to a shape
3003 # @param ElementID an element ID
3004 # @param Shape a shape or shape ID
3005 # @return True if succeed else raises an exception
3006 # @ingroup l2_modif_add
3007 def SetMeshElementOnShape(self, ElementID, Shape):
3008 if ( isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object)):
3009 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
3013 self.editor.SetMeshElementOnShape(ElementID, ShapeID)
3014 except SALOME.SALOME_Exception, inst:
3015 raise ValueError, inst.details.text
3019 ## Moves the node with the given id
3020 # @param NodeID the id of the node
3021 # @param x a new X coordinate
3022 # @param y a new Y coordinate
3023 # @param z a new Z coordinate
3024 # @return True if succeed else False
3025 # @ingroup l2_modif_movenode
3026 def MoveNode(self, NodeID, x, y, z):
3027 x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
3028 if hasVars: self.mesh.SetParameters(Parameters)
3029 return self.editor.MoveNode(NodeID, x, y, z)
3031 ## Finds the node closest to a point and moves it to a point location
3032 # @param x the X coordinate of a point
3033 # @param y the Y coordinate of a point
3034 # @param z the Z coordinate of a point
3035 # @param NodeID if specified (>0), the node with this ID is moved,
3036 # otherwise, the node closest to point (@a x,@a y,@a z) is moved
3037 # @return the ID of a node
3038 # @ingroup l2_modif_throughp
3039 def MoveClosestNodeToPoint(self, x, y, z, NodeID):
3040 x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
3041 if hasVars: self.mesh.SetParameters(Parameters)
3042 return self.editor.MoveClosestNodeToPoint(x, y, z, NodeID)
3044 ## Finds the node closest to a point
3045 # @param x the X coordinate of a point
3046 # @param y the Y coordinate of a point
3047 # @param z the Z coordinate of a point
3048 # @return the ID of a node
3049 # @ingroup l2_modif_throughp
3050 def FindNodeClosestTo(self, x, y, z):
3051 #preview = self.mesh.GetMeshEditPreviewer()
3052 #return preview.MoveClosestNodeToPoint(x, y, z, -1)
3053 return self.editor.FindNodeClosestTo(x, y, z)
3055 ## Finds the elements where a point lays IN or ON
3056 # @param x the X coordinate of a point
3057 # @param y the Y coordinate of a point
3058 # @param z the Z coordinate of a point
3059 # @param elementType type of elements to find; either of
3060 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME); SMESH.ALL type
3061 # means elements of any type excluding nodes, discrete and 0D elements.
3062 # @param meshPart a part of mesh (group, sub-mesh) to search within
3063 # @return list of IDs of found elements
3064 # @ingroup l2_modif_throughp
3065 def FindElementsByPoint(self, x, y, z, elementType = SMESH.ALL, meshPart=None):
3067 return self.editor.FindAmongElementsByPoint( meshPart, x, y, z, elementType );
3069 return self.editor.FindElementsByPoint(x, y, z, elementType)
3071 ## Return point state in a closed 2D mesh in terms of TopAbs_State enumeration:
3072 # 0-IN, 1-OUT, 2-ON, 3-UNKNOWN
3073 # UNKNOWN state means that either mesh is wrong or the analysis fails.
3074 def GetPointState(self, x, y, z):
3075 return self.editor.GetPointState(x, y, z)
3077 ## Check if a 2D mesh is manifold
3078 # @ingroup l1_controls
3079 def IsManifold(self):
3080 return self.editor.IsManifold()
3082 ## Check if orientation of 2D elements is coherent
3083 # @ingroup l1_controls
3084 def IsCoherentOrientation2D(self):
3085 return self.editor.IsCoherentOrientation2D()
3087 ## Finds the node closest to a point and moves it to a point location
3088 # @param x the X coordinate of a point
3089 # @param y the Y coordinate of a point
3090 # @param z the Z coordinate of a point
3091 # @return the ID of a moved node
3092 # @ingroup l2_modif_throughp
3093 def MeshToPassThroughAPoint(self, x, y, z):
3094 return self.editor.MoveClosestNodeToPoint(x, y, z, -1)
3096 ## Replaces two neighbour triangles sharing Node1-Node2 link
3097 # with the triangles built on the same 4 nodes but having other common link.
3098 # @param NodeID1 the ID of the first node
3099 # @param NodeID2 the ID of the second node
3100 # @return false if proper faces were not found
3101 # @ingroup l2_modif_cutquadr
3102 def InverseDiag(self, NodeID1, NodeID2):
3103 return self.editor.InverseDiag(NodeID1, NodeID2)
3105 ## Replaces two neighbour triangles sharing Node1-Node2 link
3106 # with a quadrangle built on the same 4 nodes.
3107 # @param NodeID1 the ID of the first node
3108 # @param NodeID2 the ID of the second node
3109 # @return false if proper faces were not found
3110 # @ingroup l2_modif_unitetri
3111 def DeleteDiag(self, NodeID1, NodeID2):
3112 return self.editor.DeleteDiag(NodeID1, NodeID2)
3114 ## Reorients elements by ids
3115 # @param IDsOfElements if undefined reorients all mesh elements
3116 # @return True if succeed else False
3117 # @ingroup l2_modif_changori
3118 def Reorient(self, IDsOfElements=None):
3119 if IDsOfElements == None:
3120 IDsOfElements = self.GetElementsId()
3121 return self.editor.Reorient(IDsOfElements)
3123 ## Reorients all elements of the object
3124 # @param theObject mesh, submesh or group
3125 # @return True if succeed else False
3126 # @ingroup l2_modif_changori
3127 def ReorientObject(self, theObject):
3128 if ( isinstance( theObject, Mesh )):
3129 theObject = theObject.GetMesh()
3130 return self.editor.ReorientObject(theObject)
3132 ## Reorient faces contained in \a the2DObject.
3133 # @param the2DObject is a mesh, sub-mesh, group or list of IDs of 2D elements
3134 # @param theDirection is a desired direction of normal of \a theFace.
3135 # It can be either a GEOM vector or a list of coordinates [x,y,z].
3136 # @param theFaceOrPoint defines a face of \a the2DObject whose normal will be
3137 # compared with theDirection. It can be either ID of face or a point
3138 # by which the face will be found. The point can be given as either
3139 # a GEOM vertex or a list of point coordinates.
3140 # @return number of reoriented faces
3141 # @ingroup l2_modif_changori
3142 def Reorient2D(self, the2DObject, theDirection, theFaceOrPoint ):
3143 unRegister = genObjUnRegister()
3145 if isinstance( the2DObject, Mesh ):
3146 the2DObject = the2DObject.GetMesh()
3147 if isinstance( the2DObject, list ):
3148 the2DObject = self.GetIDSource( the2DObject, SMESH.FACE )
3149 unRegister.set( the2DObject )
3150 # check theDirection
3151 if isinstance( theDirection, geomBuilder.GEOM._objref_GEOM_Object):
3152 theDirection = self.smeshpyD.GetDirStruct( theDirection )
3153 if isinstance( theDirection, list ):
3154 theDirection = self.smeshpyD.MakeDirStruct( *theDirection )
3155 # prepare theFace and thePoint
3156 theFace = theFaceOrPoint
3157 thePoint = PointStruct(0,0,0)
3158 if isinstance( theFaceOrPoint, geomBuilder.GEOM._objref_GEOM_Object):
3159 thePoint = self.smeshpyD.GetPointStruct( theFaceOrPoint )
3161 if isinstance( theFaceOrPoint, list ):
3162 thePoint = PointStruct( *theFaceOrPoint )
3164 if isinstance( theFaceOrPoint, PointStruct ):
3165 thePoint = theFaceOrPoint
3167 return self.editor.Reorient2D( the2DObject, theDirection, theFace, thePoint )
3169 ## Reorient faces according to adjacent volumes.
3170 # @param the2DObject is a mesh, sub-mesh, group or list of
3171 # either IDs of faces or face groups.
3172 # @param the3DObject is a mesh, sub-mesh, group or list of IDs of volumes.
3173 # @param theOutsideNormal to orient faces to have their normals
3174 # pointing either \a outside or \a inside the adjacent volumes.
3175 # @return number of reoriented faces.
3176 # @ingroup l2_modif_changori
3177 def Reorient2DBy3D(self, the2DObject, the3DObject, theOutsideNormal=True ):
3178 unRegister = genObjUnRegister()
3180 if not isinstance( the2DObject, list ):
3181 the2DObject = [ the2DObject ]
3182 elif the2DObject and isinstance( the2DObject[0], int ):
3183 the2DObject = self.GetIDSource( the2DObject, SMESH.FACE )
3184 unRegister.set( the2DObject )
3185 the2DObject = [ the2DObject ]
3186 for i,obj2D in enumerate( the2DObject ):
3187 if isinstance( obj2D, Mesh ):
3188 the2DObject[i] = obj2D.GetMesh()
3189 if isinstance( obj2D, list ):
3190 the2DObject[i] = self.GetIDSource( obj2D, SMESH.FACE )
3191 unRegister.set( the2DObject[i] )
3193 if isinstance( the3DObject, Mesh ):
3194 the3DObject = the3DObject.GetMesh()
3195 if isinstance( the3DObject, list ):
3196 the3DObject = self.GetIDSource( the3DObject, SMESH.VOLUME )
3197 unRegister.set( the3DObject )
3198 return self.editor.Reorient2DBy3D( the2DObject, the3DObject, theOutsideNormal )
3200 ## Fuses the neighbouring triangles into quadrangles.
3201 # @param IDsOfElements The triangles to be fused.
3202 # @param theCriterion a numerical functor, in terms of enum SMESH.FunctorType, used to
3203 # applied to possible quadrangles to choose a neighbour to fuse with.
3204 # Type SMESH.FunctorType._items in the Python Console to see all items.
3205 # Note that not all items correspond to numerical functors.
3206 # @param MaxAngle is the maximum angle between element normals at which the fusion
3207 # is still performed; theMaxAngle is mesured in radians.
3208 # Also it could be a name of variable which defines angle in degrees.
3209 # @return TRUE in case of success, FALSE otherwise.
3210 # @ingroup l2_modif_unitetri
3211 def TriToQuad(self, IDsOfElements, theCriterion, MaxAngle):
3212 MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
3213 self.mesh.SetParameters(Parameters)
3214 if not IDsOfElements:
3215 IDsOfElements = self.GetElementsId()
3216 Functor = self.smeshpyD.GetFunctor(theCriterion)
3217 return self.editor.TriToQuad(IDsOfElements, Functor, MaxAngle)
3219 ## Fuses the neighbouring triangles of the object into quadrangles
3220 # @param theObject is mesh, submesh or group
3221 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType,
3222 # applied to possible quadrangles to choose a neighbour to fuse with.
3223 # Type SMESH.FunctorType._items in the Python Console to see all items.
3224 # Note that not all items correspond to numerical functors.
3225 # @param MaxAngle a max angle between element normals at which the fusion
3226 # is still performed; theMaxAngle is mesured in radians.
3227 # @return TRUE in case of success, FALSE otherwise.
3228 # @ingroup l2_modif_unitetri
3229 def TriToQuadObject (self, theObject, theCriterion, MaxAngle):
3230 MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
3231 self.mesh.SetParameters(Parameters)
3232 if isinstance( theObject, Mesh ):
3233 theObject = theObject.GetMesh()
3234 Functor = self.smeshpyD.GetFunctor(theCriterion)
3235 return self.editor.TriToQuadObject(theObject, Functor, MaxAngle)
3237 ## Splits quadrangles into triangles.
3238 # @param IDsOfElements the faces to be splitted.
3239 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
3240 # choose a diagonal for splitting. If @a theCriterion is None, which is a default
3241 # value, then quadrangles will be split by the smallest diagonal.
3242 # Type SMESH.FunctorType._items in the Python Console to see all items.
3243 # Note that not all items correspond to numerical functors.
3244 # @return TRUE in case of success, FALSE otherwise.
3245 # @ingroup l2_modif_cutquadr
3246 def QuadToTri (self, IDsOfElements, theCriterion = None):
3247 if IDsOfElements == []:
3248 IDsOfElements = self.GetElementsId()
3249 if theCriterion is None:
3250 theCriterion = FT_MaxElementLength2D
3251 Functor = self.smeshpyD.GetFunctor(theCriterion)
3252 return self.editor.QuadToTri(IDsOfElements, Functor)
3254 ## Splits quadrangles into triangles.
3255 # @param theObject the object from which the list of elements is taken,
3256 # this is mesh, submesh or group
3257 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
3258 # choose a diagonal for splitting. If @a theCriterion is None, which is a default
3259 # value, then quadrangles will be split by the smallest diagonal.
3260 # Type SMESH.FunctorType._items in the Python Console to see all items.
3261 # Note that not all items correspond to numerical functors.
3262 # @return TRUE in case of success, FALSE otherwise.
3263 # @ingroup l2_modif_cutquadr
3264 def QuadToTriObject (self, theObject, theCriterion = None):
3265 if ( isinstance( theObject, Mesh )):
3266 theObject = theObject.GetMesh()
3267 if theCriterion is None:
3268 theCriterion = FT_MaxElementLength2D
3269 Functor = self.smeshpyD.GetFunctor(theCriterion)
3270 return self.editor.QuadToTriObject(theObject, Functor)
3272 ## Splits each of given quadrangles into 4 triangles. A node is added at the center of
3274 # @param theElements the faces to be splitted. This can be either mesh, sub-mesh,
3275 # group or a list of face IDs. By default all quadrangles are split
3276 # @ingroup l2_modif_cutquadr
3277 def QuadTo4Tri (self, theElements=[]):
3278 unRegister = genObjUnRegister()
3279 if isinstance( theElements, Mesh ):
3280 theElements = theElements.mesh
3281 elif not theElements:
3282 theElements = self.mesh
3283 elif isinstance( theElements, list ):
3284 theElements = self.GetIDSource( theElements, SMESH.FACE )
3285 unRegister.set( theElements )
3286 return self.editor.QuadTo4Tri( theElements )
3288 ## Splits quadrangles into triangles.
3289 # @param IDsOfElements the faces to be splitted
3290 # @param Diag13 is used to choose a diagonal for splitting.
3291 # @return TRUE in case of success, FALSE otherwise.
3292 # @ingroup l2_modif_cutquadr
3293 def SplitQuad (self, IDsOfElements, Diag13):
3294 if IDsOfElements == []:
3295 IDsOfElements = self.GetElementsId()
3296 return self.editor.SplitQuad(IDsOfElements, Diag13)
3298 ## Splits quadrangles into triangles.
3299 # @param theObject the object from which the list of elements is taken,
3300 # this is mesh, submesh or group
3301 # @param Diag13 is used to choose a diagonal for splitting.
3302 # @return TRUE in case of success, FALSE otherwise.
3303 # @ingroup l2_modif_cutquadr
3304 def SplitQuadObject (self, theObject, Diag13):
3305 if ( isinstance( theObject, Mesh )):
3306 theObject = theObject.GetMesh()
3307 return self.editor.SplitQuadObject(theObject, Diag13)
3309 ## Finds a better splitting of the given quadrangle.
3310 # @param IDOfQuad the ID of the quadrangle to be splitted.
3311 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
3312 # choose a diagonal for splitting.
3313 # Type SMESH.FunctorType._items in the Python Console to see all items.
3314 # Note that not all items correspond to numerical functors.
3315 # @return 1 if 1-3 diagonal is better, 2 if 2-4
3316 # diagonal is better, 0 if error occurs.
3317 # @ingroup l2_modif_cutquadr
3318 def BestSplit (self, IDOfQuad, theCriterion):
3319 return self.editor.BestSplit(IDOfQuad, self.smeshpyD.GetFunctor(theCriterion))
3321 ## Splits volumic elements into tetrahedrons
3322 # @param elems either a list of elements or a mesh or a group or a submesh or a filter
3323 # @param method flags passing splitting method:
3324 # smesh.Hex_5Tet, smesh.Hex_6Tet, smesh.Hex_24Tet.
3325 # smesh.Hex_5Tet - to split the hexahedron into 5 tetrahedrons, etc.
3326 # @ingroup l2_modif_cutquadr
3327 def SplitVolumesIntoTetra(self, elems, method=smeshBuilder.Hex_5Tet ):
3328 unRegister = genObjUnRegister()
3329 if isinstance( elems, Mesh ):
3330 elems = elems.GetMesh()
3331 if ( isinstance( elems, list )):
3332 elems = self.editor.MakeIDSource(elems, SMESH.VOLUME)
3333 unRegister.set( elems )
3334 self.editor.SplitVolumesIntoTetra(elems, method)
3337 ## Split bi-quadratic elements into linear ones without creation of additional nodes:
3338 # - bi-quadratic triangle will be split into 3 linear quadrangles;
3339 # - bi-quadratic quadrangle will be split into 4 linear quadrangles;
3340 # - tri-quadratic hexahedron will be split into 8 linear hexahedra.
3341 # Quadratic elements of lower dimension adjacent to the split bi-quadratic element
3342 # will be split in order to keep the mesh conformal.
3343 # @param elems - elements to split: sub-meshes, groups, filters or element IDs;
3344 # if None (default), all bi-quadratic elements will be split
3345 # @ingroup l2_modif_cutquadr
3346 def SplitBiQuadraticIntoLinear(self, elems=None):
3347 unRegister = genObjUnRegister()
3348 if elems and isinstance( elems, list ) and isinstance( elems[0], int ):
3349 elems = self.editor.MakeIDSource(elems, SMESH.ALL)
3350 unRegister.set( elems )
3352 elems = [ self.GetMesh() ]
3353 if isinstance( elems, Mesh ):
3354 elems = [ elems.GetMesh() ]
3355 if not isinstance( elems, list ):
3357 self.editor.SplitBiQuadraticIntoLinear( elems )
3359 ## Splits hexahedra into prisms
3360 # @param elems either a list of elements or a mesh or a group or a submesh or a filter
3361 # @param startHexPoint a point used to find a hexahedron for which @a facetNormal
3362 # gives a normal vector defining facets to split into triangles.
3363 # @a startHexPoint can be either a triple of coordinates or a vertex.
3364 # @param facetNormal a normal to a facet to split into triangles of a
3365 # hexahedron found by @a startHexPoint.
3366 # @a facetNormal can be either a triple of coordinates or an edge.
3367 # @param method flags passing splitting method: smesh.Hex_2Prisms, smesh.Hex_4Prisms.
3368 # smesh.Hex_2Prisms - to split the hexahedron into 2 prisms, etc.
3369 # @param allDomains if @c False, only hexahedra adjacent to one closest
3370 # to @a startHexPoint are split, else @a startHexPoint
3371 # is used to find the facet to split in all domains present in @a elems.
3372 # @ingroup l2_modif_cutquadr
3373 def SplitHexahedraIntoPrisms(self, elems, startHexPoint, facetNormal,
3374 method=smeshBuilder.Hex_2Prisms, allDomains=False ):
3376 unRegister = genObjUnRegister()
3377 if isinstance( elems, Mesh ):
3378 elems = elems.GetMesh()
3379 if ( isinstance( elems, list )):
3380 elems = self.editor.MakeIDSource(elems, SMESH.VOLUME)
3381 unRegister.set( elems )
3384 if isinstance( startHexPoint, geomBuilder.GEOM._objref_GEOM_Object):
3385 startHexPoint = self.smeshpyD.GetPointStruct( startHexPoint )
3386 elif isinstance( startHexPoint, list ):
3387 startHexPoint = SMESH.PointStruct( startHexPoint[0],
3390 if isinstance( facetNormal, geomBuilder.GEOM._objref_GEOM_Object):
3391 facetNormal = self.smeshpyD.GetDirStruct( facetNormal )
3392 elif isinstance( facetNormal, list ):
3393 facetNormal = self.smeshpyD.MakeDirStruct( facetNormal[0],
3396 self.mesh.SetParameters( startHexPoint.parameters + facetNormal.PS.parameters )
3398 self.editor.SplitHexahedraIntoPrisms(elems, startHexPoint, facetNormal, method, allDomains)
3400 ## Splits quadrangle faces near triangular facets of volumes
3402 # @ingroup l1_auxiliary
3403 def SplitQuadsNearTriangularFacets(self):
3404 faces_array = self.GetElementsByType(SMESH.FACE)
3405 for face_id in faces_array:
3406 if self.GetElemNbNodes(face_id) == 4: # quadrangle
3407 quad_nodes = self.mesh.GetElemNodes(face_id)
3408 node1_elems = self.GetNodeInverseElements(quad_nodes[1 -1])
3409 isVolumeFound = False
3410 for node1_elem in node1_elems:
3411 if not isVolumeFound:
3412 if self.GetElementType(node1_elem, True) == SMESH.VOLUME:
3413 nb_nodes = self.GetElemNbNodes(node1_elem)
3414 if 3 < nb_nodes and nb_nodes < 7: # tetra or penta, or prism
3415 volume_elem = node1_elem
3416 volume_nodes = self.mesh.GetElemNodes(volume_elem)
3417 if volume_nodes.count(quad_nodes[2 -1]) > 0: # 1,2
3418 if volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,2,4
3419 isVolumeFound = True
3420 if volume_nodes.count(quad_nodes[3 -1]) == 0: # 1,2,4 & !3
3421 self.SplitQuad([face_id], False) # diagonal 2-4
3422 elif volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,2,3 & !4
3423 isVolumeFound = True
3424 self.SplitQuad([face_id], True) # diagonal 1-3
3425 elif volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,4 & !2
3426 if volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,4,3 & !2
3427 isVolumeFound = True
3428 self.SplitQuad([face_id], True) # diagonal 1-3
3430 ## @brief Splits hexahedrons into tetrahedrons.
3432 # This operation uses pattern mapping functionality for splitting.
3433 # @param theObject the object from which the list of hexahedrons is taken; this is mesh, submesh or group.
3434 # @param theNode000,theNode001 within the range [0,7]; gives the orientation of the
3435 # pattern relatively each hexahedron: the (0,0,0) key-point of the pattern
3436 # will be mapped into <VAR>theNode000</VAR>-th node of each volume, the (0,0,1)
3437 # key-point will be mapped into <VAR>theNode001</VAR>-th node of each volume.
3438 # The (0,0,0) key-point of the used pattern corresponds to a non-split corner.
3439 # @return TRUE in case of success, FALSE otherwise.
3440 # @ingroup l1_auxiliary
3441 def SplitHexaToTetras (self, theObject, theNode000, theNode001):
3442 # Pattern: 5.---------.6
3447 # (0,0,1) 4.---------.7 * |
3454 # (0,0,0) 0.---------.3
3455 pattern_tetra = "!!! Nb of points: \n 8 \n\
3465 !!! Indices of points of 6 tetras: \n\
3473 pattern = self.smeshpyD.GetPattern()
3474 isDone = pattern.LoadFromFile(pattern_tetra)
3476 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
3479 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
3480 isDone = pattern.MakeMesh(self.mesh, False, False)
3481 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
3483 # split quafrangle faces near triangular facets of volumes
3484 self.SplitQuadsNearTriangularFacets()
3488 ## @brief Split hexahedrons into prisms.
3490 # Uses the pattern mapping functionality for splitting.
3491 # @param theObject the object (mesh, submesh or group) from where the list of hexahedrons is taken;
3492 # @param theNode000,theNode001 (within the range [0,7]) gives the orientation of the
3493 # pattern relatively each hexahedron: keypoint (0,0,0) of the pattern
3494 # will be mapped into the <VAR>theNode000</VAR>-th node of each volume, keypoint (0,0,1)
3495 # will be mapped into the <VAR>theNode001</VAR>-th node of each volume.
3496 # Edge (0,0,0)-(0,0,1) of used pattern connects two not split corners.
3497 # @return TRUE in case of success, FALSE otherwise.
3498 # @ingroup l1_auxiliary
3499 def SplitHexaToPrisms (self, theObject, theNode000, theNode001):
3500 # Pattern: 5.---------.6
3505 # (0,0,1) 4.---------.7 |
3512 # (0,0,0) 0.---------.3
3513 pattern_prism = "!!! Nb of points: \n 8 \n\
3523 !!! Indices of points of 2 prisms: \n\
3527 pattern = self.smeshpyD.GetPattern()
3528 isDone = pattern.LoadFromFile(pattern_prism)
3530 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
3533 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
3534 isDone = pattern.MakeMesh(self.mesh, False, False)
3535 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
3537 # Splits quafrangle faces near triangular facets of volumes
3538 self.SplitQuadsNearTriangularFacets()
3542 ## Smoothes elements
3543 # @param IDsOfElements the list if ids of elements to smooth
3544 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3545 # Note that nodes built on edges and boundary nodes are always fixed.
3546 # @param MaxNbOfIterations the maximum number of iterations
3547 # @param MaxAspectRatio varies in range [1.0, inf]
3548 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3549 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3550 # @return TRUE in case of success, FALSE otherwise.
3551 # @ingroup l2_modif_smooth
3552 def Smooth(self, IDsOfElements, IDsOfFixedNodes,
3553 MaxNbOfIterations, MaxAspectRatio, Method):
3554 if IDsOfElements == []:
3555 IDsOfElements = self.GetElementsId()
3556 MaxNbOfIterations,MaxAspectRatio,Parameters,hasVars = ParseParameters(MaxNbOfIterations,MaxAspectRatio)
3557 self.mesh.SetParameters(Parameters)
3558 return self.editor.Smooth(IDsOfElements, IDsOfFixedNodes,
3559 MaxNbOfIterations, MaxAspectRatio, Method)
3561 ## Smoothes elements which belong to the given object
3562 # @param theObject the object to smooth
3563 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3564 # Note that nodes built on edges and boundary nodes are always fixed.
3565 # @param MaxNbOfIterations the maximum number of iterations
3566 # @param MaxAspectRatio varies in range [1.0, inf]
3567 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3568 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3569 # @return TRUE in case of success, FALSE otherwise.
3570 # @ingroup l2_modif_smooth
3571 def SmoothObject(self, theObject, IDsOfFixedNodes,
3572 MaxNbOfIterations, MaxAspectRatio, Method):
3573 if ( isinstance( theObject, Mesh )):
3574 theObject = theObject.GetMesh()
3575 return self.editor.SmoothObject(theObject, IDsOfFixedNodes,
3576 MaxNbOfIterations, MaxAspectRatio, Method)
3578 ## Parametrically smoothes the given elements
3579 # @param IDsOfElements the list if ids of elements to smooth
3580 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3581 # Note that nodes built on edges and boundary nodes are always fixed.
3582 # @param MaxNbOfIterations the maximum number of iterations
3583 # @param MaxAspectRatio varies in range [1.0, inf]
3584 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3585 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3586 # @return TRUE in case of success, FALSE otherwise.
3587 # @ingroup l2_modif_smooth
3588 def SmoothParametric(self, IDsOfElements, IDsOfFixedNodes,
3589 MaxNbOfIterations, MaxAspectRatio, Method):
3590 if IDsOfElements == []:
3591 IDsOfElements = self.GetElementsId()
3592 MaxNbOfIterations,MaxAspectRatio,Parameters,hasVars = ParseParameters(MaxNbOfIterations,MaxAspectRatio)
3593 self.mesh.SetParameters(Parameters)
3594 return self.editor.SmoothParametric(IDsOfElements, IDsOfFixedNodes,
3595 MaxNbOfIterations, MaxAspectRatio, Method)
3597 ## Parametrically smoothes the elements which belong to the given object
3598 # @param theObject the object to smooth
3599 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3600 # Note that nodes built on edges and boundary nodes are always fixed.
3601 # @param MaxNbOfIterations the maximum number of iterations
3602 # @param MaxAspectRatio varies in range [1.0, inf]
3603 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3604 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3605 # @return TRUE in case of success, FALSE otherwise.
3606 # @ingroup l2_modif_smooth
3607 def SmoothParametricObject(self, theObject, IDsOfFixedNodes,
3608 MaxNbOfIterations, MaxAspectRatio, Method):
3609 if ( isinstance( theObject, Mesh )):
3610 theObject = theObject.GetMesh()
3611 return self.editor.SmoothParametricObject(theObject, IDsOfFixedNodes,
3612 MaxNbOfIterations, MaxAspectRatio, Method)
3614 ## Converts the mesh to quadratic or bi-quadratic, deletes old elements, replacing
3615 # them with quadratic with the same id.
3616 # @param theForce3d new node creation method:
3617 # 0 - the medium node lies at the geometrical entity from which the mesh element is built
3618 # 1 - the medium node lies at the middle of the line segments connecting two nodes of a mesh element
3619 # @param theSubMesh a group or a sub-mesh to convert; WARNING: in this case the mesh can become not conformal
3620 # @param theToBiQuad If True, converts the mesh to bi-quadratic
3621 # @ingroup l2_modif_tofromqu
3622 def ConvertToQuadratic(self, theForce3d=False, theSubMesh=None, theToBiQuad=False):
3623 if isinstance( theSubMesh, Mesh ):
3624 theSubMesh = theSubMesh.mesh
3626 self.editor.ConvertToBiQuadratic(theForce3d,theSubMesh)
3629 self.editor.ConvertToQuadraticObject(theForce3d,theSubMesh)
3631 self.editor.ConvertToQuadratic(theForce3d)
3632 error = self.editor.GetLastError()
3633 if error and error.comment:
3636 ## Converts the mesh from quadratic to ordinary,
3637 # deletes old quadratic elements, \n replacing
3638 # them with ordinary mesh elements with the same id.
3639 # @param theSubMesh a group or a sub-mesh to convert; WARNING: in this case the mesh can become not conformal
3640 # @ingroup l2_modif_tofromqu
3641 def ConvertFromQuadratic(self, theSubMesh=None):
3643 self.editor.ConvertFromQuadraticObject(theSubMesh)
3645 return self.editor.ConvertFromQuadratic()
3647 ## Creates 2D mesh as skin on boundary faces of a 3D mesh
3648 # @return TRUE if operation has been completed successfully, FALSE otherwise
3649 # @ingroup l2_modif_edit
3650 def Make2DMeshFrom3D(self):
3651 return self.editor.Make2DMeshFrom3D()
3653 ## Creates missing boundary elements
3654 # @param elements - elements whose boundary is to be checked:
3655 # mesh, group, sub-mesh or list of elements
3656 # if elements is mesh, it must be the mesh whose MakeBoundaryMesh() is called
3657 # @param dimension - defines type of boundary elements to create, either of
3658 # { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
3659 # SMESH.BND_1DFROM3D creates mesh edges on all borders of free facets of 3D cells
3660 # @param groupName - a name of group to store created boundary elements in,
3661 # "" means not to create the group
3662 # @param meshName - a name of new mesh to store created boundary elements in,
3663 # "" means not to create the new mesh
3664 # @param toCopyElements - if true, the checked elements will be copied into
3665 # the new mesh else only boundary elements will be copied into the new mesh
3666 # @param toCopyExistingBondary - if true, not only new but also pre-existing
3667 # boundary elements will be copied into the new mesh
3668 # @return tuple (mesh, group) where boundary elements were added to
3669 # @ingroup l2_modif_edit
3670 def MakeBoundaryMesh(self, elements, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
3671 toCopyElements=False, toCopyExistingBondary=False):
3672 unRegister = genObjUnRegister()
3673 if isinstance( elements, Mesh ):
3674 elements = elements.GetMesh()
3675 if ( isinstance( elements, list )):
3676 elemType = SMESH.ALL
3677 if elements: elemType = self.GetElementType( elements[0], iselem=True)
3678 elements = self.editor.MakeIDSource(elements, elemType)
3679 unRegister.set( elements )
3680 mesh, group = self.editor.MakeBoundaryMesh(elements,dimension,groupName,meshName,
3681 toCopyElements,toCopyExistingBondary)
3682 if mesh: mesh = self.smeshpyD.Mesh(mesh)
3686 # @brief Creates missing boundary elements around either the whole mesh or
3687 # groups of elements
3688 # @param dimension - defines type of boundary elements to create, either of
3689 # { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
3690 # @param groupName - a name of group to store all boundary elements in,
3691 # "" means not to create the group
3692 # @param meshName - a name of a new mesh, which is a copy of the initial
3693 # mesh + created boundary elements; "" means not to create the new mesh
3694 # @param toCopyAll - if true, the whole initial mesh will be copied into
3695 # the new mesh else only boundary elements will be copied into the new mesh
3696 # @param groups - groups of elements to make boundary around
3697 # @retval tuple( long, mesh, groups )
3698 # long - number of added boundary elements
3699 # mesh - the mesh where elements were added to
3700 # group - the group of boundary elements or None
3702 def MakeBoundaryElements(self, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
3703 toCopyAll=False, groups=[]):
3704 nb, mesh, group = self.editor.MakeBoundaryElements(dimension,groupName,meshName,
3706 if mesh: mesh = self.smeshpyD.Mesh(mesh)
3707 return nb, mesh, group
3709 ## Renumber mesh nodes (Obsolete, does nothing)
3710 # @ingroup l2_modif_renumber
3711 def RenumberNodes(self):
3712 self.editor.RenumberNodes()
3714 ## Renumber mesh elements (Obsole, does nothing)
3715 # @ingroup l2_modif_renumber
3716 def RenumberElements(self):
3717 self.editor.RenumberElements()
3719 ## Private method converting \a arg into a list of SMESH_IdSource's
3720 def _getIdSourceList(self, arg, idType, unRegister):
3721 if arg and isinstance( arg, list ):
3722 if isinstance( arg[0], int ):
3723 arg = self.GetIDSource( arg, idType )
3724 unRegister.set( arg )
3725 elif isinstance( arg[0], Mesh ):
3726 arg[0] = arg[0].GetMesh()
3727 elif isinstance( arg, Mesh ):
3729 if arg and isinstance( arg, SMESH._objref_SMESH_IDSource ):
3733 ## Generates new elements by rotation of the given elements and nodes around the axis
3734 # @param nodes - nodes to revolve: a list including ids, groups, sub-meshes or a mesh
3735 # @param edges - edges to revolve: a list including ids, groups, sub-meshes or a mesh
3736 # @param faces - faces to revolve: a list including ids, groups, sub-meshes or a mesh
3737 # @param Axis the axis of rotation: AxisStruct, line (geom object) or [x,y,z,dx,dy,dz]
3738 # @param AngleInRadians the angle of Rotation (in radians) or a name of variable
3739 # which defines angle in degrees
3740 # @param NbOfSteps the number of steps
3741 # @param Tolerance tolerance
3742 # @param MakeGroups forces the generation of new groups from existing ones
3743 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3744 # of all steps, else - size of each step
3745 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3746 # @ingroup l2_modif_extrurev
3747 def RotationSweepObjects(self, nodes, edges, faces, Axis, AngleInRadians, NbOfSteps, Tolerance,
3748 MakeGroups=False, TotalAngle=False):
3749 unRegister = genObjUnRegister()
3750 nodes = self._getIdSourceList( nodes, SMESH.NODE, unRegister )
3751 edges = self._getIdSourceList( edges, SMESH.EDGE, unRegister )
3752 faces = self._getIdSourceList( faces, SMESH.FACE, unRegister )
3754 if isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object):
3755 Axis = self.smeshpyD.GetAxisStruct( Axis )
3756 if isinstance( Axis, list ):
3757 Axis = SMESH.AxisStruct( *Axis )
3759 AngleInRadians,AngleParameters,hasVars = ParseAngles(AngleInRadians)
3760 NbOfSteps,Tolerance,Parameters,hasVars = ParseParameters(NbOfSteps,Tolerance)
3761 Parameters = Axis.parameters + var_separator + AngleParameters + var_separator + Parameters
3762 self.mesh.SetParameters(Parameters)
3763 if TotalAngle and NbOfSteps:
3764 AngleInRadians /= NbOfSteps
3765 return self.editor.RotationSweepObjects( nodes, edges, faces,
3766 Axis, AngleInRadians,
3767 NbOfSteps, Tolerance, MakeGroups)
3769 ## Generates new elements by rotation of the elements around the axis
3770 # @param IDsOfElements the list of ids of elements to sweep
3771 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3772 # @param AngleInRadians the angle of Rotation (in radians) or a name of variable which defines angle in degrees
3773 # @param NbOfSteps the number of steps
3774 # @param Tolerance tolerance
3775 # @param MakeGroups forces the generation of new groups from existing ones
3776 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3777 # of all steps, else - size of each step
3778 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3779 # @ingroup l2_modif_extrurev
3780 def RotationSweep(self, IDsOfElements, Axis, AngleInRadians, NbOfSteps, Tolerance,
3781 MakeGroups=False, TotalAngle=False):
3782 return self.RotationSweepObjects([], IDsOfElements, IDsOfElements, Axis,
3783 AngleInRadians, NbOfSteps, Tolerance,
3784 MakeGroups, TotalAngle)
3786 ## Generates new elements by rotation of the elements of object around the axis
3787 # @param theObject object which elements should be sweeped.
3788 # It can be a mesh, a sub mesh or a group.
3789 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3790 # @param AngleInRadians the angle of Rotation
3791 # @param NbOfSteps number of steps
3792 # @param Tolerance tolerance
3793 # @param MakeGroups forces the generation of new groups from existing ones
3794 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3795 # of all steps, else - size of each step
3796 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3797 # @ingroup l2_modif_extrurev
3798 def RotationSweepObject(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
3799 MakeGroups=False, TotalAngle=False):
3800 return self.RotationSweepObjects( [], theObject, theObject, Axis,
3801 AngleInRadians, NbOfSteps, Tolerance,
3802 MakeGroups, TotalAngle )
3804 ## Generates new elements by rotation of the elements of object around the axis
3805 # @param theObject object which elements should be sweeped.
3806 # It can be a mesh, a sub mesh or a group.
3807 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3808 # @param AngleInRadians the angle of Rotation
3809 # @param NbOfSteps number of steps
3810 # @param Tolerance tolerance
3811 # @param MakeGroups forces the generation of new groups from existing ones
3812 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3813 # of all steps, else - size of each step
3814 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3815 # @ingroup l2_modif_extrurev
3816 def RotationSweepObject1D(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
3817 MakeGroups=False, TotalAngle=False):
3818 return self.RotationSweepObjects([],theObject,[], Axis,
3819 AngleInRadians, NbOfSteps, Tolerance,
3820 MakeGroups, TotalAngle)
3822 ## Generates new elements by rotation of the elements of object around the axis
3823 # @param theObject object which elements should be sweeped.
3824 # It can be a mesh, a sub mesh or a group.
3825 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3826 # @param AngleInRadians the angle of Rotation
3827 # @param NbOfSteps number of steps
3828 # @param Tolerance tolerance
3829 # @param MakeGroups forces the generation of new groups from existing ones
3830 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3831 # of all steps, else - size of each step
3832 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3833 # @ingroup l2_modif_extrurev
3834 def RotationSweepObject2D(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
3835 MakeGroups=False, TotalAngle=False):
3836 return self.RotationSweepObjects([],[],theObject, Axis, AngleInRadians,
3837 NbOfSteps, Tolerance, MakeGroups, TotalAngle)
3839 ## Generates new elements by extrusion of the given elements and nodes
3840 # @param nodes nodes to extrude: a list including ids, groups, sub-meshes or a mesh
3841 # @param edges edges to extrude: a list including ids, groups, sub-meshes or a mesh
3842 # @param faces faces to extrude: a list including ids, groups, sub-meshes or a mesh
3843 # @param StepVector vector or DirStruct or 3 vector components, defining
3844 # the direction and value of extrusion for one step (the total extrusion
3845 # length will be NbOfSteps * ||StepVector||)
3846 # @param NbOfSteps the number of steps
3847 # @param MakeGroups forces the generation of new groups from existing ones
3848 # @param scaleFactors optional scale factors to apply during extrusion
3849 # @param linearVariation if @c True, scaleFactors are spread over all @a scaleFactors,
3850 # else scaleFactors[i] is applied to nodes at the i-th extrusion step
3851 # @param basePoint optional scaling center; if not provided, a gravity center of
3852 # nodes and elements being extruded is used as the scaling center.
3854 # - a list of tree components of the point or
3857 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3858 # @ingroup l2_modif_extrurev
3859 def ExtrusionSweepObjects(self, nodes, edges, faces, StepVector, NbOfSteps, MakeGroups=False,
3860 scaleFactors=[], linearVariation=False, basePoint=[] ):
3861 unRegister = genObjUnRegister()
3862 nodes = self._getIdSourceList( nodes, SMESH.NODE, unRegister )
3863 edges = self._getIdSourceList( edges, SMESH.EDGE, unRegister )
3864 faces = self._getIdSourceList( faces, SMESH.FACE, unRegister )
3866 if isinstance( StepVector, geomBuilder.GEOM._objref_GEOM_Object):
3867 StepVector = self.smeshpyD.GetDirStruct(StepVector)
3868 if isinstance( StepVector, list ):
3869 StepVector = self.smeshpyD.MakeDirStruct(*StepVector)
3871 if isinstance( basePoint, int):
3872 xyz = self.GetNodeXYZ( basePoint )
3874 raise RuntimeError, "Invalid node ID: %s" % basePoint
3876 if isinstance( basePoint, geomBuilder.GEOM._objref_GEOM_Object ):
3877 basePoint = self.geompyD.PointCoordinates( basePoint )
3879 NbOfSteps,Parameters,hasVars = ParseParameters(NbOfSteps)
3880 Parameters = StepVector.PS.parameters + var_separator + Parameters
3881 self.mesh.SetParameters(Parameters)
3883 return self.editor.ExtrusionSweepObjects( nodes, edges, faces,
3884 StepVector, NbOfSteps,
3885 scaleFactors, linearVariation, basePoint,
3889 ## Generates new elements by extrusion of the elements with given ids
3890 # @param IDsOfElements the list of ids of elements or nodes for extrusion
3891 # @param StepVector vector or DirStruct or 3 vector components, defining
3892 # the direction and value of extrusion for one step (the total extrusion
3893 # length will be NbOfSteps * ||StepVector||)
3894 # @param NbOfSteps the number of steps
3895 # @param MakeGroups forces the generation of new groups from existing ones
3896 # @param IsNodes is True if elements with given ids are nodes
3897 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3898 # @ingroup l2_modif_extrurev
3899 def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps, MakeGroups=False, IsNodes = False):
3901 if IsNodes: n = IDsOfElements
3902 else : e,f, = IDsOfElements,IDsOfElements
3903 return self.ExtrusionSweepObjects(n,e,f, StepVector, NbOfSteps, MakeGroups)
3905 ## Generates new elements by extrusion along the normal to a discretized surface or wire
3906 # @param Elements elements to extrude - a list including ids, groups, sub-meshes or a mesh.
3907 # Only faces can be extruded so far. A sub-mesh should be a sub-mesh on geom faces.
3908 # @param StepSize length of one extrusion step (the total extrusion
3909 # length will be \a NbOfSteps * \a StepSize ).
3910 # @param NbOfSteps number of extrusion steps.
3911 # @param ByAverageNormal if True each node is translated by \a StepSize
3912 # along the average of the normal vectors to the faces sharing the node;
3913 # else each node is translated along the same average normal till
3914 # intersection with the plane got by translation of the face sharing
3915 # the node along its own normal by \a StepSize.
3916 # @param UseInputElemsOnly to use only \a Elements when computing extrusion direction
3917 # for every node of \a Elements.
3918 # @param MakeGroups forces generation of new groups from existing ones.
3919 # @param Dim dimension of elements to extrude: 2 - faces or 1 - edges. Extrusion of edges
3920 # is not yet implemented. This parameter is used if \a Elements contains
3921 # both faces and edges, i.e. \a Elements is a Mesh.
3922 # @return the list of created groups (SMESH_GroupBase) if \a MakeGroups=True,
3923 # empty list otherwise.
3924 # @ingroup l2_modif_extrurev
3925 def ExtrusionByNormal(self, Elements, StepSize, NbOfSteps,
3926 ByAverageNormal=False, UseInputElemsOnly=True, MakeGroups=False, Dim = 2):
3927 unRegister = genObjUnRegister()
3928 if isinstance( Elements, Mesh ):
3929 Elements = [ Elements.GetMesh() ]
3930 if isinstance( Elements, list ):
3932 raise RuntimeError, "Elements empty!"
3933 if isinstance( Elements[0], int ):
3934 Elements = self.GetIDSource( Elements, SMESH.ALL )
3935 unRegister.set( Elements )
3936 if not isinstance( Elements, list ):
3937 Elements = [ Elements ]
3938 StepSize,NbOfSteps,Parameters,hasVars = ParseParameters(StepSize,NbOfSteps)
3939 self.mesh.SetParameters(Parameters)
3940 return self.editor.ExtrusionByNormal(Elements, StepSize, NbOfSteps,
3941 ByAverageNormal, UseInputElemsOnly, MakeGroups, Dim)
3943 ## Generates new elements by extrusion of the elements or nodes which belong to the object
3944 # @param theObject the object whose elements or nodes should be processed.
3945 # It can be a mesh, a sub-mesh or a group.
3946 # @param StepVector vector or DirStruct or 3 vector components, defining
3947 # the direction and value of extrusion for one step (the total extrusion
3948 # length will be NbOfSteps * ||StepVector||)
3949 # @param NbOfSteps the number of steps
3950 # @param MakeGroups forces the generation of new groups from existing ones
3951 # @param IsNodes is True if elements to extrude are nodes
3952 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3953 # @ingroup l2_modif_extrurev
3954 def ExtrusionSweepObject(self, theObject, StepVector, NbOfSteps, MakeGroups=False, IsNodes=False):
3956 if IsNodes: n = theObject
3957 else : e,f, = theObject,theObject
3958 return self.ExtrusionSweepObjects(n,e,f, StepVector, NbOfSteps, MakeGroups)
3960 ## Generates new elements by extrusion of edges which belong to the object
3961 # @param theObject object whose 1D elements should be processed.
3962 # It can be a mesh, a sub-mesh or a group.
3963 # @param StepVector vector or DirStruct or 3 vector components, defining
3964 # the direction and value of extrusion for one step (the total extrusion
3965 # length will be NbOfSteps * ||StepVector||)
3966 # @param NbOfSteps the number of steps
3967 # @param MakeGroups to generate new groups from existing ones
3968 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3969 # @ingroup l2_modif_extrurev
3970 def ExtrusionSweepObject1D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
3971 return self.ExtrusionSweepObjects([],theObject,[], StepVector, NbOfSteps, MakeGroups)
3973 ## Generates new elements by extrusion of faces which belong to the object
3974 # @param theObject object whose 2D elements should be processed.
3975 # It can be a mesh, a sub-mesh or a group.
3976 # @param StepVector vector or DirStruct or 3 vector components, defining
3977 # the direction and value of extrusion for one step (the total extrusion
3978 # length will be NbOfSteps * ||StepVector||)
3979 # @param NbOfSteps the number of steps
3980 # @param MakeGroups forces the generation of new groups from existing ones
3981 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3982 # @ingroup l2_modif_extrurev
3983 def ExtrusionSweepObject2D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
3984 return self.ExtrusionSweepObjects([],[],theObject, StepVector, NbOfSteps, MakeGroups)
3986 ## Generates new elements by extrusion of the elements with given ids
3987 # @param IDsOfElements is ids of elements
3988 # @param StepVector vector or DirStruct or 3 vector components, defining
3989 # the direction and value of extrusion for one step (the total extrusion
3990 # length will be NbOfSteps * ||StepVector||)
3991 # @param NbOfSteps the number of steps
3992 # @param ExtrFlags sets flags for extrusion
3993 # @param SewTolerance uses for comparing locations of nodes if flag
3994 # EXTRUSION_FLAG_SEW is set
3995 # @param MakeGroups forces the generation of new groups from existing ones
3996 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3997 # @ingroup l2_modif_extrurev
3998 def AdvancedExtrusion(self, IDsOfElements, StepVector, NbOfSteps,
3999 ExtrFlags, SewTolerance, MakeGroups=False):
4000 if isinstance( StepVector, geomBuilder.GEOM._objref_GEOM_Object):
4001 StepVector = self.smeshpyD.GetDirStruct(StepVector)
4002 if isinstance( StepVector, list ):
4003 StepVector = self.smeshpyD.MakeDirStruct(*StepVector)
4004 return self.editor.AdvancedExtrusion(IDsOfElements, StepVector, NbOfSteps,
4005 ExtrFlags, SewTolerance, MakeGroups)
4007 ## Generates new elements by extrusion of the given elements and nodes along the path.
4008 # The path of extrusion must be a meshed edge.
4009 # @param Nodes nodes to extrude: a list including ids, groups, sub-meshes or a mesh
4010 # @param Edges edges to extrude: a list including ids, groups, sub-meshes or a mesh
4011 # @param Faces faces to extrude: a list including ids, groups, sub-meshes or a mesh
4012 # @param PathMesh 1D mesh or 1D sub-mesh, along which proceeds the extrusion
4013 # @param PathShape shape (edge) defines the sub-mesh of PathMesh if PathMesh
4014 # contains not only path segments, else it can be None
4015 # @param NodeStart the first or the last node on the path. Defines the direction of extrusion
4016 # @param HasAngles allows the shape to be rotated around the path
4017 # to get the resulting mesh in a helical fashion
4018 # @param Angles list of angles
4019 # @param LinearVariation forces the computation of rotation angles as linear
4020 # variation of the given Angles along path steps
4021 # @param HasRefPoint allows using the reference point
4022 # @param RefPoint the point around which the shape is rotated (the mass center of the
4023 # shape by default). The User can specify any point as the Reference Point.
4024 # @param MakeGroups forces the generation of new groups from existing ones
4025 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error
4026 # @ingroup l2_modif_extrurev
4027 def ExtrusionAlongPathObjects(self, Nodes, Edges, Faces, PathMesh, PathShape=None,
4028 NodeStart=1, HasAngles=False, Angles=[], LinearVariation=False,
4029 HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False):
4030 unRegister = genObjUnRegister()
4031 Nodes = self._getIdSourceList( Nodes, SMESH.NODE, unRegister )
4032 Edges = self._getIdSourceList( Edges, SMESH.EDGE, unRegister )
4033 Faces = self._getIdSourceList( Faces, SMESH.FACE, unRegister )
4035 if isinstance( RefPoint, geomBuilder.GEOM._objref_GEOM_Object):
4036 RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
4037 if isinstance( RefPoint, list ):
4038 if not RefPoint: RefPoint = [0,0,0]
4039 RefPoint = SMESH.PointStruct( *RefPoint )
4040 if isinstance( PathMesh, Mesh ):
4041 PathMesh = PathMesh.GetMesh()
4042 Angles,AnglesParameters,hasVars = ParseAngles(Angles)
4043 Parameters = AnglesParameters + var_separator + RefPoint.parameters
4044 self.mesh.SetParameters(Parameters)
4045 return self.editor.ExtrusionAlongPathObjects(Nodes, Edges, Faces,
4046 PathMesh, PathShape, NodeStart,
4047 HasAngles, Angles, LinearVariation,
4048 HasRefPoint, RefPoint, MakeGroups)
4050 ## Generates new elements by extrusion of the given elements
4051 # The path of extrusion must be a meshed edge.
4052 # @param Base mesh or group, or sub-mesh, or list of ids of elements for extrusion
4053 # @param Path - 1D mesh or 1D sub-mesh, along which proceeds the extrusion
4054 # @param NodeStart the start node from Path. Defines the direction of extrusion
4055 # @param HasAngles allows the shape to be rotated around the path
4056 # to get the resulting mesh in a helical fashion
4057 # @param Angles list of angles in radians
4058 # @param LinearVariation forces the computation of rotation angles as linear
4059 # variation of the given Angles along path steps
4060 # @param HasRefPoint allows using the reference point
4061 # @param RefPoint the point around which the elements are rotated (the mass
4062 # center of the elements by default).
4063 # The User can specify any point as the Reference Point.
4064 # RefPoint can be either GEOM Vertex, [x,y,z] or SMESH.PointStruct
4065 # @param MakeGroups forces the generation of new groups from existing ones
4066 # @param ElemType type of elements for extrusion (if param Base is a mesh)
4067 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4068 # only SMESH::Extrusion_Error otherwise
4069 # @ingroup l2_modif_extrurev
4070 def ExtrusionAlongPathX(self, Base, Path, NodeStart,
4071 HasAngles=False, Angles=[], LinearVariation=False,
4072 HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False,
4073 ElemType=SMESH.FACE):
4075 if ElemType == SMESH.NODE: n = Base
4076 if ElemType == SMESH.EDGE: e = Base
4077 if ElemType == SMESH.FACE: f = Base
4078 gr,er = self.ExtrusionAlongPathObjects(n,e,f, Path, None, NodeStart,
4079 HasAngles, Angles, LinearVariation,
4080 HasRefPoint, RefPoint, MakeGroups)
4081 if MakeGroups: return gr,er
4084 ## Generates new elements by extrusion of the given elements
4085 # The path of extrusion must be a meshed edge.
4086 # @param IDsOfElements ids of elements
4087 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
4088 # @param PathShape shape(edge) defines the sub-mesh for the path
4089 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4090 # @param HasAngles allows the shape to be rotated around the path
4091 # to get the resulting mesh in a helical fashion
4092 # @param Angles list of angles in radians
4093 # @param HasRefPoint allows using the reference point
4094 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4095 # The User can specify any point as the Reference Point.
4096 # @param MakeGroups forces the generation of new groups from existing ones
4097 # @param LinearVariation forces the computation of rotation angles as linear
4098 # variation of the given Angles along path steps
4099 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4100 # only SMESH::Extrusion_Error otherwise
4101 # @ingroup l2_modif_extrurev
4102 def ExtrusionAlongPath(self, IDsOfElements, PathMesh, PathShape, NodeStart,
4103 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4104 MakeGroups=False, LinearVariation=False):
4105 n,e,f = [],IDsOfElements,IDsOfElements
4106 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape,
4107 NodeStart, HasAngles, Angles,
4109 HasRefPoint, RefPoint, MakeGroups)
4110 if MakeGroups: return gr,er
4113 ## Generates new elements by extrusion of the elements which belong to the object
4114 # The path of extrusion must be a meshed edge.
4115 # @param theObject the object whose elements should be processed.
4116 # It can be a mesh, a sub-mesh or a group.
4117 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
4118 # @param PathShape shape(edge) defines the sub-mesh for the path
4119 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4120 # @param HasAngles allows the shape to be rotated around the path
4121 # to get the resulting mesh in a helical fashion
4122 # @param Angles list of angles
4123 # @param HasRefPoint allows using the reference point
4124 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4125 # The User can specify any point as the Reference Point.
4126 # @param MakeGroups forces the generation of new groups from existing ones
4127 # @param LinearVariation forces the computation of rotation angles as linear
4128 # variation of the given Angles along path steps
4129 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4130 # only SMESH::Extrusion_Error otherwise
4131 # @ingroup l2_modif_extrurev
4132 def ExtrusionAlongPathObject(self, theObject, PathMesh, PathShape, NodeStart,
4133 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4134 MakeGroups=False, LinearVariation=False):
4135 n,e,f = [],theObject,theObject
4136 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
4137 HasAngles, Angles, LinearVariation,
4138 HasRefPoint, RefPoint, MakeGroups)
4139 if MakeGroups: return gr,er
4142 ## Generates new elements by extrusion of mesh segments which belong to the object
4143 # The path of extrusion must be a meshed edge.
4144 # @param theObject the object whose 1D elements should be processed.
4145 # It can be a mesh, a sub-mesh or a group.
4146 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
4147 # @param PathShape shape(edge) defines the sub-mesh for the path
4148 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4149 # @param HasAngles allows the shape to be rotated around the path
4150 # to get the resulting mesh in a helical fashion
4151 # @param Angles list of angles
4152 # @param HasRefPoint allows using the reference point
4153 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4154 # The User can specify any point as the Reference Point.
4155 # @param MakeGroups forces the generation of new groups from existing ones
4156 # @param LinearVariation forces the computation of rotation angles as linear
4157 # variation of the given Angles along path steps
4158 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4159 # only SMESH::Extrusion_Error otherwise
4160 # @ingroup l2_modif_extrurev
4161 def ExtrusionAlongPathObject1D(self, theObject, PathMesh, PathShape, NodeStart,
4162 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4163 MakeGroups=False, LinearVariation=False):
4164 n,e,f = [],theObject,[]
4165 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
4166 HasAngles, Angles, LinearVariation,
4167 HasRefPoint, RefPoint, MakeGroups)
4168 if MakeGroups: return gr,er
4171 ## Generates new elements by extrusion of faces which belong to the object
4172 # The path of extrusion must be a meshed edge.
4173 # @param theObject the object whose 2D elements should be processed.
4174 # It can be a mesh, a sub-mesh or a group.
4175 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
4176 # @param PathShape shape(edge) defines the sub-mesh for the path
4177 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4178 # @param HasAngles allows the shape to be rotated around the path
4179 # to get the resulting mesh in a helical fashion
4180 # @param Angles list of angles
4181 # @param HasRefPoint allows using the reference point
4182 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4183 # The User can specify any point as the Reference Point.
4184 # @param MakeGroups forces the generation of new groups from existing ones
4185 # @param LinearVariation forces the computation of rotation angles as linear
4186 # variation of the given Angles along path steps
4187 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4188 # only SMESH::Extrusion_Error otherwise
4189 # @ingroup l2_modif_extrurev
4190 def ExtrusionAlongPathObject2D(self, theObject, PathMesh, PathShape, NodeStart,
4191 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4192 MakeGroups=False, LinearVariation=False):
4193 n,e,f = [],[],theObject
4194 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
4195 HasAngles, Angles, LinearVariation,
4196 HasRefPoint, RefPoint, MakeGroups)
4197 if MakeGroups: return gr,er
4200 ## Creates a symmetrical copy of mesh elements
4201 # @param IDsOfElements list of elements ids
4202 # @param Mirror is AxisStruct or geom object(point, line, plane)
4203 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4204 # If the Mirror is a geom object this parameter is unnecessary
4205 # @param Copy allows to copy element (Copy is 1) or to replace with its mirroring (Copy is 0)
4206 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4207 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4208 # @ingroup l2_modif_trsf
4209 def Mirror(self, IDsOfElements, Mirror, theMirrorType=None, Copy=0, MakeGroups=False):
4210 if IDsOfElements == []:
4211 IDsOfElements = self.GetElementsId()
4212 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4213 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4214 theMirrorType = Mirror._mirrorType
4216 self.mesh.SetParameters(Mirror.parameters)
4217 if Copy and MakeGroups:
4218 return self.editor.MirrorMakeGroups(IDsOfElements, Mirror, theMirrorType)
4219 self.editor.Mirror(IDsOfElements, Mirror, theMirrorType, Copy)
4222 ## Creates a new mesh by a symmetrical copy of mesh elements
4223 # @param IDsOfElements the list of elements ids
4224 # @param Mirror is AxisStruct or geom object (point, line, plane)
4225 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4226 # If the Mirror is a geom object this parameter is unnecessary
4227 # @param MakeGroups to generate new groups from existing ones
4228 # @param NewMeshName a name of the new mesh to create
4229 # @return instance of Mesh class
4230 # @ingroup l2_modif_trsf
4231 def MirrorMakeMesh(self, IDsOfElements, Mirror, theMirrorType=0, MakeGroups=0, NewMeshName=""):
4232 if IDsOfElements == []:
4233 IDsOfElements = self.GetElementsId()
4234 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4235 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4236 theMirrorType = Mirror._mirrorType
4238 self.mesh.SetParameters(Mirror.parameters)
4239 mesh = self.editor.MirrorMakeMesh(IDsOfElements, Mirror, theMirrorType,
4240 MakeGroups, NewMeshName)
4241 return Mesh(self.smeshpyD,self.geompyD,mesh)
4243 ## Creates a symmetrical copy of the object
4244 # @param theObject mesh, submesh or group
4245 # @param Mirror AxisStruct or geom object (point, line, plane)
4246 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4247 # If the Mirror is a geom object this parameter is unnecessary
4248 # @param Copy allows copying the element (Copy is 1) or replacing it with its mirror (Copy is 0)
4249 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4250 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4251 # @ingroup l2_modif_trsf
4252 def MirrorObject (self, theObject, Mirror, theMirrorType=None, Copy=0, MakeGroups=False):
4253 if ( isinstance( theObject, Mesh )):
4254 theObject = theObject.GetMesh()
4255 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4256 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4257 theMirrorType = Mirror._mirrorType
4259 self.mesh.SetParameters(Mirror.parameters)
4260 if Copy and MakeGroups:
4261 return self.editor.MirrorObjectMakeGroups(theObject, Mirror, theMirrorType)
4262 self.editor.MirrorObject(theObject, Mirror, theMirrorType, Copy)
4265 ## Creates a new mesh by a symmetrical copy of the object
4266 # @param theObject mesh, submesh or group
4267 # @param Mirror AxisStruct or geom object (point, line, plane)
4268 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4269 # If the Mirror is a geom object this parameter is unnecessary
4270 # @param MakeGroups forces the generation of new groups from existing ones
4271 # @param NewMeshName the name of the new mesh to create
4272 # @return instance of Mesh class
4273 # @ingroup l2_modif_trsf
4274 def MirrorObjectMakeMesh (self, theObject, Mirror, theMirrorType=0,MakeGroups=0,NewMeshName=""):
4275 if ( isinstance( theObject, Mesh )):
4276 theObject = theObject.GetMesh()
4277 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4278 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4279 theMirrorType = Mirror._mirrorType
4281 self.mesh.SetParameters(Mirror.parameters)
4282 mesh = self.editor.MirrorObjectMakeMesh(theObject, Mirror, theMirrorType,
4283 MakeGroups, NewMeshName)
4284 return Mesh( self.smeshpyD,self.geompyD,mesh )
4286 ## Translates the elements
4287 # @param IDsOfElements list of elements ids
4288 # @param Vector the direction of translation (DirStruct or vector or 3 vector components)
4289 # @param Copy allows copying the translated elements
4290 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4291 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4292 # @ingroup l2_modif_trsf
4293 def Translate(self, IDsOfElements, Vector, Copy, MakeGroups=False):
4294 if IDsOfElements == []:
4295 IDsOfElements = self.GetElementsId()
4296 if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
4297 Vector = self.smeshpyD.GetDirStruct(Vector)
4298 if isinstance( Vector, list ):
4299 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4300 self.mesh.SetParameters(Vector.PS.parameters)
4301 if Copy and MakeGroups:
4302 return self.editor.TranslateMakeGroups(IDsOfElements, Vector)
4303 self.editor.Translate(IDsOfElements, Vector, Copy)
4306 ## Creates a new mesh of translated elements
4307 # @param IDsOfElements list of elements ids
4308 # @param Vector the direction of translation (DirStruct or vector or 3 vector components)
4309 # @param MakeGroups forces the generation of new groups from existing ones
4310 # @param NewMeshName the name of the newly created mesh
4311 # @return instance of Mesh class
4312 # @ingroup l2_modif_trsf
4313 def TranslateMakeMesh(self, IDsOfElements, Vector, MakeGroups=False, NewMeshName=""):
4314 if IDsOfElements == []:
4315 IDsOfElements = self.GetElementsId()
4316 if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
4317 Vector = self.smeshpyD.GetDirStruct(Vector)
4318 if isinstance( Vector, list ):
4319 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4320 self.mesh.SetParameters(Vector.PS.parameters)
4321 mesh = self.editor.TranslateMakeMesh(IDsOfElements, Vector, MakeGroups, NewMeshName)
4322 return Mesh ( self.smeshpyD, self.geompyD, mesh )
4324 ## Translates the object
4325 # @param theObject the object to translate (mesh, submesh, or group)
4326 # @param Vector direction of translation (DirStruct or geom vector or 3 vector components)
4327 # @param Copy allows copying the translated elements
4328 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4329 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4330 # @ingroup l2_modif_trsf
4331 def TranslateObject(self, theObject, Vector, Copy, MakeGroups=False):
4332 if ( isinstance( theObject, Mesh )):
4333 theObject = theObject.GetMesh()
4334 if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
4335 Vector = self.smeshpyD.GetDirStruct(Vector)
4336 if isinstance( Vector, list ):
4337 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4338 self.mesh.SetParameters(Vector.PS.parameters)
4339 if Copy and MakeGroups:
4340 return self.editor.TranslateObjectMakeGroups(theObject, Vector)
4341 self.editor.TranslateObject(theObject, Vector, Copy)
4344 ## Creates a new mesh from the translated object
4345 # @param theObject the object to translate (mesh, submesh, or group)
4346 # @param Vector the direction of translation (DirStruct or geom vector or 3 vector components)
4347 # @param MakeGroups forces the generation of new groups from existing ones
4348 # @param NewMeshName the name of the newly created mesh
4349 # @return instance of Mesh class
4350 # @ingroup l2_modif_trsf
4351 def TranslateObjectMakeMesh(self, theObject, Vector, MakeGroups=False, NewMeshName=""):
4352 if isinstance( theObject, Mesh ):
4353 theObject = theObject.GetMesh()
4354 if isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object ):
4355 Vector = self.smeshpyD.GetDirStruct(Vector)
4356 if isinstance( Vector, list ):
4357 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4358 self.mesh.SetParameters(Vector.PS.parameters)
4359 mesh = self.editor.TranslateObjectMakeMesh(theObject, Vector, MakeGroups, NewMeshName)
4360 return Mesh( self.smeshpyD, self.geompyD, mesh )
4364 ## Scales the object
4365 # @param theObject - the object to translate (mesh, submesh, or group)
4366 # @param thePoint - base point for scale (SMESH.PointStruct or list of 3 coordinates)
4367 # @param theScaleFact - list of 1-3 scale factors for axises
4368 # @param Copy - allows copying the translated elements
4369 # @param MakeGroups - forces the generation of new groups from existing
4371 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True,
4372 # empty list otherwise
4373 def Scale(self, theObject, thePoint, theScaleFact, Copy, MakeGroups=False):
4374 unRegister = genObjUnRegister()
4375 if ( isinstance( theObject, Mesh )):
4376 theObject = theObject.GetMesh()
4377 if ( isinstance( theObject, list )):
4378 theObject = self.GetIDSource(theObject, SMESH.ALL)
4379 unRegister.set( theObject )
4380 if ( isinstance( thePoint, list )):
4381 thePoint = PointStruct( thePoint[0], thePoint[1], thePoint[2] )
4382 if ( isinstance( theScaleFact, float )):
4383 theScaleFact = [theScaleFact]
4384 if ( isinstance( theScaleFact, int )):
4385 theScaleFact = [ float(theScaleFact)]
4387 self.mesh.SetParameters(thePoint.parameters)
4389 if Copy and MakeGroups:
4390 return self.editor.ScaleMakeGroups(theObject, thePoint, theScaleFact)
4391 self.editor.Scale(theObject, thePoint, theScaleFact, Copy)
4394 ## Creates a new mesh from the translated object
4395 # @param theObject - the object to translate (mesh, submesh, or group)
4396 # @param thePoint - base point for scale (SMESH.PointStruct or list of 3 coordinates)
4397 # @param theScaleFact - list of 1-3 scale factors for axises
4398 # @param MakeGroups - forces the generation of new groups from existing ones
4399 # @param NewMeshName - the name of the newly created mesh
4400 # @return instance of Mesh class
4401 def ScaleMakeMesh(self, theObject, thePoint, theScaleFact, MakeGroups=False, NewMeshName=""):
4402 unRegister = genObjUnRegister()
4403 if (isinstance(theObject, Mesh)):
4404 theObject = theObject.GetMesh()
4405 if ( isinstance( theObject, list )):
4406 theObject = self.GetIDSource(theObject,SMESH.ALL)
4407 unRegister.set( theObject )
4408 if ( isinstance( thePoint, list )):
4409 thePoint = PointStruct( thePoint[0], thePoint[1], thePoint[2] )
4410 if ( isinstance( theScaleFact, float )):
4411 theScaleFact = [theScaleFact]
4412 if ( isinstance( theScaleFact, int )):
4413 theScaleFact = [ float(theScaleFact)]
4415 self.mesh.SetParameters(thePoint.parameters)
4416 mesh = self.editor.ScaleMakeMesh(theObject, thePoint, theScaleFact,
4417 MakeGroups, NewMeshName)
4418 return Mesh( self.smeshpyD, self.geompyD, mesh )
4422 ## Rotates the elements
4423 # @param IDsOfElements list of elements ids
4424 # @param Axis the axis of rotation (AxisStruct or geom line)
4425 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4426 # @param Copy allows copying the rotated elements
4427 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4428 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4429 # @ingroup l2_modif_trsf
4430 def Rotate (self, IDsOfElements, Axis, AngleInRadians, Copy, MakeGroups=False):
4431 if IDsOfElements == []:
4432 IDsOfElements = self.GetElementsId()
4433 if ( isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4434 Axis = self.smeshpyD.GetAxisStruct(Axis)
4435 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4436 Parameters = Axis.parameters + var_separator + Parameters
4437 self.mesh.SetParameters(Parameters)
4438 if Copy and MakeGroups:
4439 return self.editor.RotateMakeGroups(IDsOfElements, Axis, AngleInRadians)
4440 self.editor.Rotate(IDsOfElements, Axis, AngleInRadians, Copy)
4443 ## Creates a new mesh of rotated elements
4444 # @param IDsOfElements list of element ids
4445 # @param Axis the axis of rotation (AxisStruct or geom line)
4446 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4447 # @param MakeGroups forces the generation of new groups from existing ones
4448 # @param NewMeshName the name of the newly created mesh
4449 # @return instance of Mesh class
4450 # @ingroup l2_modif_trsf
4451 def RotateMakeMesh (self, IDsOfElements, Axis, AngleInRadians, MakeGroups=0, NewMeshName=""):
4452 if IDsOfElements == []:
4453 IDsOfElements = self.GetElementsId()
4454 if ( isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4455 Axis = self.smeshpyD.GetAxisStruct(Axis)
4456 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4457 Parameters = Axis.parameters + var_separator + Parameters
4458 self.mesh.SetParameters(Parameters)
4459 mesh = self.editor.RotateMakeMesh(IDsOfElements, Axis, AngleInRadians,
4460 MakeGroups, NewMeshName)
4461 return Mesh( self.smeshpyD, self.geompyD, mesh )
4463 ## Rotates the object
4464 # @param theObject the object to rotate( mesh, submesh, or group)
4465 # @param Axis the axis of rotation (AxisStruct or geom line)
4466 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4467 # @param Copy allows copying the rotated elements
4468 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4469 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4470 # @ingroup l2_modif_trsf
4471 def RotateObject (self, theObject, Axis, AngleInRadians, Copy, MakeGroups=False):
4472 if (isinstance(theObject, Mesh)):
4473 theObject = theObject.GetMesh()
4474 if (isinstance(Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4475 Axis = self.smeshpyD.GetAxisStruct(Axis)
4476 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4477 Parameters = Axis.parameters + ":" + Parameters
4478 self.mesh.SetParameters(Parameters)
4479 if Copy and MakeGroups:
4480 return self.editor.RotateObjectMakeGroups(theObject, Axis, AngleInRadians)
4481 self.editor.RotateObject(theObject, Axis, AngleInRadians, Copy)
4484 ## Creates a new mesh from the rotated object
4485 # @param theObject the object to rotate (mesh, submesh, or group)
4486 # @param Axis the axis of rotation (AxisStruct or geom line)
4487 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4488 # @param MakeGroups forces the generation of new groups from existing ones
4489 # @param NewMeshName the name of the newly created mesh
4490 # @return instance of Mesh class
4491 # @ingroup l2_modif_trsf
4492 def RotateObjectMakeMesh(self, theObject, Axis, AngleInRadians, MakeGroups=0,NewMeshName=""):
4493 if (isinstance( theObject, Mesh )):
4494 theObject = theObject.GetMesh()
4495 if (isinstance(Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4496 Axis = self.smeshpyD.GetAxisStruct(Axis)
4497 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4498 Parameters = Axis.parameters + ":" + Parameters
4499 mesh = self.editor.RotateObjectMakeMesh(theObject, Axis, AngleInRadians,
4500 MakeGroups, NewMeshName)
4501 self.mesh.SetParameters(Parameters)
4502 return Mesh( self.smeshpyD, self.geompyD, mesh )
4504 ## Finds groups of adjacent nodes within Tolerance.
4505 # @param Tolerance the value of tolerance
4506 # @param SeparateCornerAndMediumNodes if @c True, in quadratic mesh puts
4507 # corner and medium nodes in separate groups thus preventing
4508 # their further merge.
4509 # @return the list of groups of nodes IDs (e.g. [[1,12,13],[4,25]])
4510 # @ingroup l2_modif_trsf
4511 def FindCoincidentNodes (self, Tolerance, SeparateCornerAndMediumNodes=False):
4512 return self.editor.FindCoincidentNodes( Tolerance, SeparateCornerAndMediumNodes )
4514 ## Finds groups of ajacent nodes within Tolerance.
4515 # @param Tolerance the value of tolerance
4516 # @param SubMeshOrGroup SubMesh, Group or Filter
4517 # @param exceptNodes list of either SubMeshes, Groups or node IDs to exclude from search
4518 # @param SeparateCornerAndMediumNodes if @c True, in quadratic mesh puts
4519 # corner and medium nodes in separate groups thus preventing
4520 # their further merge.
4521 # @return the list of groups of nodes IDs (e.g. [[1,12,13],[4,25]])
4522 # @ingroup l2_modif_trsf
4523 def FindCoincidentNodesOnPart (self, SubMeshOrGroup, Tolerance,
4524 exceptNodes=[], SeparateCornerAndMediumNodes=False):
4525 unRegister = genObjUnRegister()
4526 if (isinstance( SubMeshOrGroup, Mesh )):
4527 SubMeshOrGroup = SubMeshOrGroup.GetMesh()
4528 if not isinstance( exceptNodes, list ):
4529 exceptNodes = [ exceptNodes ]
4530 if exceptNodes and isinstance( exceptNodes[0], int ):
4531 exceptNodes = [ self.GetIDSource( exceptNodes, SMESH.NODE )]
4532 unRegister.set( exceptNodes )
4533 return self.editor.FindCoincidentNodesOnPartBut(SubMeshOrGroup, Tolerance,
4534 exceptNodes, SeparateCornerAndMediumNodes)
4537 # @param GroupsOfNodes a list of groups of nodes IDs for merging
4538 # (e.g. [[1,12,13],[25,4]], then nodes 12, 13 and 4 will be removed and replaced
4539 # by nodes 1 and 25 correspondingly in all elements and groups
4540 # @param NodesToKeep nodes to keep in the mesh: a list of groups, sub-meshes or node IDs.
4541 # If @a NodesToKeep does not include a node to keep for some group to merge,
4542 # then the first node in the group is kept.
4543 # @ingroup l2_modif_trsf
4544 def MergeNodes (self, GroupsOfNodes, NodesToKeep=[]):
4545 # NodesToKeep are converted to SMESH_IDSource in meshEditor.MergeNodes()
4546 self.editor.MergeNodes(GroupsOfNodes,NodesToKeep)
4548 ## Finds the elements built on the same nodes.
4549 # @param MeshOrSubMeshOrGroup Mesh or SubMesh, or Group of elements for searching
4550 # @return the list of groups of equal elements IDs (e.g. [[1,12,13],[4,25]])
4551 # @ingroup l2_modif_trsf
4552 def FindEqualElements (self, MeshOrSubMeshOrGroup=None):
4553 if not MeshOrSubMeshOrGroup:
4554 MeshOrSubMeshOrGroup=self.mesh
4555 elif isinstance( MeshOrSubMeshOrGroup, Mesh ):
4556 MeshOrSubMeshOrGroup = MeshOrSubMeshOrGroup.GetMesh()
4557 return self.editor.FindEqualElements( MeshOrSubMeshOrGroup )
4559 ## Merges elements in each given group.
4560 # @param GroupsOfElementsID a list of groups of elements IDs for merging
4561 # (e.g. [[1,12,13],[25,4]], then elements 12, 13 and 4 will be removed and
4562 # replaced by elements 1 and 25 in all groups)
4563 # @ingroup l2_modif_trsf
4564 def MergeElements(self, GroupsOfElementsID):
4565 self.editor.MergeElements(GroupsOfElementsID)
4567 ## Leaves one element and removes all other elements built on the same nodes.
4568 # @ingroup l2_modif_trsf
4569 def MergeEqualElements(self):
4570 self.editor.MergeEqualElements()
4572 ## Returns all or only closed free borders
4573 # @return list of SMESH.FreeBorder's
4574 # @ingroup l2_modif_trsf
4575 def FindFreeBorders(self, ClosedOnly=True):
4576 return self.editor.FindFreeBorders( ClosedOnly )
4578 ## Fill with 2D elements a hole defined by a SMESH.FreeBorder.
4579 # @param FreeBorder either a SMESH.FreeBorder or a list on node IDs. These nodes
4580 # must describe all sequential nodes of the hole border. The first and the last
4581 # nodes must be the same. Use FindFreeBorders() to get nodes of holes.
4582 # @ingroup l2_modif_trsf
4583 def FillHole(self, holeNodes):
4584 if holeNodes and isinstance( holeNodes, list ) and isinstance( holeNodes[0], int ):
4585 holeNodes = SMESH.FreeBorder(nodeIDs=holeNodes)
4586 if not isinstance( holeNodes, SMESH.FreeBorder ):
4587 raise TypeError, "holeNodes must be either SMESH.FreeBorder or list of integer and not %s" % holeNodes
4588 self.editor.FillHole( holeNodes )
4590 ## Returns groups of FreeBorder's coincident within the given tolerance.
4591 # @param tolerance the tolerance. If the tolerance <= 0.0 then one tenth of an average
4592 # size of elements adjacent to free borders being compared is used.
4593 # @return SMESH.CoincidentFreeBorders structure
4594 # @ingroup l2_modif_trsf
4595 def FindCoincidentFreeBorders (self, tolerance=0.):
4596 return self.editor.FindCoincidentFreeBorders( tolerance )
4598 ## Sew FreeBorder's of each group
4599 # @param freeBorders either a SMESH.CoincidentFreeBorders structure or a list of lists
4600 # where each enclosed list contains node IDs of a group of coincident free
4601 # borders such that each consequent triple of IDs within a group describes
4602 # a free border in a usual way: n1, n2, nLast - i.e. 1st node, 2nd node and
4603 # last node of a border.
4604 # For example [[1, 2, 10, 20, 21, 40], [11, 12, 15, 55, 54, 41]] describes two
4605 # groups of coincident free borders, each group including two borders.
4606 # @param createPolygons if @c True faces adjacent to free borders are converted to
4607 # polygons if a node of opposite border falls on a face edge, else such
4608 # faces are split into several ones.
4609 # @param createPolyhedra if @c True volumes adjacent to free borders are converted to
4610 # polyhedra if a node of opposite border falls on a volume edge, else such
4611 # volumes, if any, remain intact and the mesh becomes non-conformal.
4612 # @return a number of successfully sewed groups
4613 # @ingroup l2_modif_trsf
4614 def SewCoincidentFreeBorders (self, freeBorders, createPolygons=False, createPolyhedra=False):
4615 if freeBorders and isinstance( freeBorders, list ):
4616 # construct SMESH.CoincidentFreeBorders
4617 if isinstance( freeBorders[0], int ):
4618 freeBorders = [freeBorders]
4620 coincidentGroups = []
4621 for nodeList in freeBorders:
4622 if not nodeList or len( nodeList ) % 3:
4623 raise ValueError, "Wrong number of nodes in this group: %s" % nodeList
4626 group.append ( SMESH.FreeBorderPart( len(borders), 0, 1, 2 ))
4627 borders.append( SMESH.FreeBorder( nodeList[:3] ))
4628 nodeList = nodeList[3:]
4630 coincidentGroups.append( group )
4632 freeBorders = SMESH.CoincidentFreeBorders( borders, coincidentGroups )
4634 return self.editor.SewCoincidentFreeBorders( freeBorders, createPolygons, createPolyhedra )
4636 ## Sews free borders
4637 # @return SMESH::Sew_Error
4638 # @ingroup l2_modif_trsf
4639 def SewFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
4640 FirstNodeID2, SecondNodeID2, LastNodeID2,
4641 CreatePolygons, CreatePolyedrs):
4642 return self.editor.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
4643 FirstNodeID2, SecondNodeID2, LastNodeID2,
4644 CreatePolygons, CreatePolyedrs)
4646 ## Sews conform free borders
4647 # @return SMESH::Sew_Error
4648 # @ingroup l2_modif_trsf
4649 def SewConformFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
4650 FirstNodeID2, SecondNodeID2):
4651 return self.editor.SewConformFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
4652 FirstNodeID2, SecondNodeID2)
4654 ## Sews border to side
4655 # @return SMESH::Sew_Error
4656 # @ingroup l2_modif_trsf
4657 def SewBorderToSide (self, FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
4658 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs):
4659 return self.editor.SewBorderToSide(FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
4660 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs)
4662 ## Sews two sides of a mesh. The nodes belonging to Side1 are
4663 # merged with the nodes of elements of Side2.
4664 # The number of elements in theSide1 and in theSide2 must be
4665 # equal and they should have similar nodal connectivity.
4666 # The nodes to merge should belong to side borders and
4667 # the first node should be linked to the second.
4668 # @return SMESH::Sew_Error
4669 # @ingroup l2_modif_trsf
4670 def SewSideElements (self, IDsOfSide1Elements, IDsOfSide2Elements,
4671 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
4672 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge):
4673 return self.editor.SewSideElements(IDsOfSide1Elements, IDsOfSide2Elements,
4674 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
4675 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge)
4677 ## Sets new nodes for the given element.
4678 # @param ide the element id
4679 # @param newIDs nodes ids
4680 # @return If the number of nodes does not correspond to the type of element - returns false
4681 # @ingroup l2_modif_edit
4682 def ChangeElemNodes(self, ide, newIDs):
4683 return self.editor.ChangeElemNodes(ide, newIDs)
4685 ## If during the last operation of MeshEditor some nodes were
4686 # created, this method returns the list of their IDs, \n
4687 # if new nodes were not created - returns empty list
4688 # @return the list of integer values (can be empty)
4689 # @ingroup l1_auxiliary
4690 def GetLastCreatedNodes(self):
4691 return self.editor.GetLastCreatedNodes()
4693 ## If during the last operation of MeshEditor some elements were
4694 # created this method returns the list of their IDs, \n
4695 # if new elements were not created - returns empty list
4696 # @return the list of integer values (can be empty)
4697 # @ingroup l1_auxiliary
4698 def GetLastCreatedElems(self):
4699 return self.editor.GetLastCreatedElems()
4701 ## Clears sequences of nodes and elements created by mesh edition oparations
4702 # @ingroup l1_auxiliary
4703 def ClearLastCreated(self):
4704 self.editor.ClearLastCreated()
4706 ## Creates duplicates of given elements, i.e. creates new elements based on the
4707 # same nodes as the given ones.
4708 # @param theElements - container of elements to duplicate. It can be a Mesh,
4709 # sub-mesh, group, filter or a list of element IDs. If \a theElements is
4710 # a Mesh, elements of highest dimension are duplicated
4711 # @param theGroupName - a name of group to contain the generated elements.
4712 # If a group with such a name already exists, the new elements
4713 # are added to the existng group, else a new group is created.
4714 # If \a theGroupName is empty, new elements are not added
4716 # @return a group where the new elements are added. None if theGroupName == "".
4717 # @ingroup l2_modif_edit
4718 def DoubleElements(self, theElements, theGroupName=""):
4719 unRegister = genObjUnRegister()
4720 if isinstance( theElements, Mesh ):
4721 theElements = theElements.mesh
4722 elif isinstance( theElements, list ):
4723 theElements = self.GetIDSource( theElements, SMESH.ALL )
4724 unRegister.set( theElements )
4725 return self.editor.DoubleElements(theElements, theGroupName)
4727 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4728 # @param theNodes identifiers of nodes to be doubled
4729 # @param theModifiedElems identifiers of elements to be updated by the new (doubled)
4730 # nodes. If list of element identifiers is empty then nodes are doubled but
4731 # they not assigned to elements
4732 # @return TRUE if operation has been completed successfully, FALSE otherwise
4733 # @ingroup l2_modif_edit
4734 def DoubleNodes(self, theNodes, theModifiedElems):
4735 return self.editor.DoubleNodes(theNodes, theModifiedElems)
4737 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4738 # This method provided for convenience works as DoubleNodes() described above.
4739 # @param theNodeId identifiers of node to be doubled
4740 # @param theModifiedElems identifiers of elements to be updated
4741 # @return TRUE if operation has been completed successfully, FALSE otherwise
4742 # @ingroup l2_modif_edit
4743 def DoubleNode(self, theNodeId, theModifiedElems):
4744 return self.editor.DoubleNode(theNodeId, theModifiedElems)
4746 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4747 # This method provided for convenience works as DoubleNodes() described above.
4748 # @param theNodes group of nodes to be doubled
4749 # @param theModifiedElems group of elements to be updated.
4750 # @param theMakeGroup forces the generation of a group containing new nodes.
4751 # @return TRUE or a created group if operation has been completed successfully,
4752 # FALSE or None otherwise
4753 # @ingroup l2_modif_edit
4754 def DoubleNodeGroup(self, theNodes, theModifiedElems, theMakeGroup=False):
4756 return self.editor.DoubleNodeGroupNew(theNodes, theModifiedElems)
4757 return self.editor.DoubleNodeGroup(theNodes, theModifiedElems)
4759 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4760 # This method provided for convenience works as DoubleNodes() described above.
4761 # @param theNodes list of groups of nodes to be doubled
4762 # @param theModifiedElems list of groups of elements to be updated.
4763 # @param theMakeGroup forces the generation of a group containing new nodes.
4764 # @return TRUE if operation has been completed successfully, FALSE otherwise
4765 # @ingroup l2_modif_edit
4766 def DoubleNodeGroups(self, theNodes, theModifiedElems, theMakeGroup=False):
4768 return self.editor.DoubleNodeGroupsNew(theNodes, theModifiedElems)
4769 return self.editor.DoubleNodeGroups(theNodes, theModifiedElems)
4771 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4772 # @param theElems - the list of elements (edges or faces) to be replicated
4773 # The nodes for duplication could be found from these elements
4774 # @param theNodesNot - list of nodes to NOT replicate
4775 # @param theAffectedElems - the list of elements (cells and edges) to which the
4776 # replicated nodes should be associated to.
4777 # @return TRUE if operation has been completed successfully, FALSE otherwise
4778 # @ingroup l2_modif_edit
4779 def DoubleNodeElem(self, theElems, theNodesNot, theAffectedElems):
4780 return self.editor.DoubleNodeElem(theElems, theNodesNot, theAffectedElems)
4782 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4783 # @param theElems - the list of elements (edges or faces) to be replicated
4784 # The nodes for duplication could be found from these elements
4785 # @param theNodesNot - list of nodes to NOT replicate
4786 # @param theShape - shape to detect affected elements (element which geometric center
4787 # located on or inside shape).
4788 # The replicated nodes should be associated to affected elements.
4789 # @return TRUE if operation has been completed successfully, FALSE otherwise
4790 # @ingroup l2_modif_edit
4791 def DoubleNodeElemInRegion(self, theElems, theNodesNot, theShape):
4792 return self.editor.DoubleNodeElemInRegion(theElems, theNodesNot, theShape)
4794 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4795 # This method provided for convenience works as DoubleNodes() described above.
4796 # @param theElems - group of of elements (edges or faces) to be replicated
4797 # @param theNodesNot - group of nodes not to replicated
4798 # @param theAffectedElems - group of elements to which the replicated nodes
4799 # should be associated to.
4800 # @param theMakeGroup forces the generation of a group containing new elements.
4801 # @param theMakeNodeGroup forces the generation of a group containing new nodes.
4802 # @return TRUE or created groups (one or two) if operation has been completed successfully,
4803 # FALSE or None otherwise
4804 # @ingroup l2_modif_edit
4805 def DoubleNodeElemGroup(self, theElems, theNodesNot, theAffectedElems,
4806 theMakeGroup=False, theMakeNodeGroup=False):
4807 if theMakeGroup or theMakeNodeGroup:
4808 twoGroups = self.editor.DoubleNodeElemGroup2New(theElems, theNodesNot,
4810 theMakeGroup, theMakeNodeGroup)
4811 if theMakeGroup and theMakeNodeGroup:
4814 return twoGroups[ int(theMakeNodeGroup) ]
4815 return self.editor.DoubleNodeElemGroup(theElems, theNodesNot, theAffectedElems)
4817 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4818 # This method provided for convenience works as DoubleNodes() described above.
4819 # @param theElems - group of of elements (edges or faces) to be replicated
4820 # @param theNodesNot - group of nodes not to replicated
4821 # @param theShape - shape to detect affected elements (element which geometric center
4822 # located on or inside shape).
4823 # The replicated nodes should be associated to affected elements.
4824 # @ingroup l2_modif_edit
4825 def DoubleNodeElemGroupInRegion(self, theElems, theNodesNot, theShape):
4826 return self.editor.DoubleNodeElemGroupInRegion(theElems, theNodesNot, theShape)
4828 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4829 # This method provided for convenience works as DoubleNodes() described above.
4830 # @param theElems - list of groups of elements (edges or faces) to be replicated
4831 # @param theNodesNot - list of groups of nodes not to replicated
4832 # @param theAffectedElems - group of elements to which the replicated nodes
4833 # should be associated to.
4834 # @param theMakeGroup forces the generation of a group containing new elements.
4835 # @param theMakeNodeGroup forces the generation of a group containing new nodes.
4836 # @return TRUE or created groups (one or two) if operation has been completed successfully,
4837 # FALSE or None otherwise
4838 # @ingroup l2_modif_edit
4839 def DoubleNodeElemGroups(self, theElems, theNodesNot, theAffectedElems,
4840 theMakeGroup=False, theMakeNodeGroup=False):
4841 if theMakeGroup or theMakeNodeGroup:
4842 twoGroups = self.editor.DoubleNodeElemGroups2New(theElems, theNodesNot,
4844 theMakeGroup, theMakeNodeGroup)
4845 if theMakeGroup and theMakeNodeGroup:
4848 return twoGroups[ int(theMakeNodeGroup) ]
4849 return self.editor.DoubleNodeElemGroups(theElems, theNodesNot, theAffectedElems)
4851 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4852 # This method provided for convenience works as DoubleNodes() described above.
4853 # @param theElems - list of groups of elements (edges or faces) to be replicated
4854 # @param theNodesNot - list of groups of nodes not to replicated
4855 # @param theShape - shape to detect affected elements (element which geometric center
4856 # located on or inside shape).
4857 # The replicated nodes should be associated to affected elements.
4858 # @return TRUE if operation has been completed successfully, FALSE otherwise
4859 # @ingroup l2_modif_edit
4860 def DoubleNodeElemGroupsInRegion(self, theElems, theNodesNot, theShape):
4861 return self.editor.DoubleNodeElemGroupsInRegion(theElems, theNodesNot, theShape)
4863 ## Identify the elements that will be affected by node duplication (actual duplication is not performed.
4864 # This method is the first step of DoubleNodeElemGroupsInRegion.
4865 # @param theElems - list of groups of elements (edges or faces) to be replicated
4866 # @param theNodesNot - list of groups of nodes not to replicated
4867 # @param theShape - shape to detect affected elements (element which geometric center
4868 # located on or inside shape).
4869 # The replicated nodes should be associated to affected elements.
4870 # @return groups of affected elements
4871 # @ingroup l2_modif_edit
4872 def AffectedElemGroupsInRegion(self, theElems, theNodesNot, theShape):
4873 return self.editor.AffectedElemGroupsInRegion(theElems, theNodesNot, theShape)
4875 ## Double nodes on shared faces between groups of volumes and create flat elements on demand.
4876 # The list of groups must describe a partition of the mesh volumes.
4877 # The nodes of the internal faces at the boundaries of the groups are doubled.
4878 # In option, the internal faces are replaced by flat elements.
4879 # Triangles are transformed in prisms, and quadrangles in hexahedrons.
4880 # @param theDomains - list of groups of volumes
4881 # @param createJointElems - if TRUE, create the elements
4882 # @param onAllBoundaries - if TRUE, the nodes and elements are also created on
4883 # the boundary between \a theDomains and the rest mesh
4884 # @return TRUE if operation has been completed successfully, FALSE otherwise
4885 def DoubleNodesOnGroupBoundaries(self, theDomains, createJointElems, onAllBoundaries=False ):
4886 return self.editor.DoubleNodesOnGroupBoundaries( theDomains, createJointElems, onAllBoundaries )
4888 ## Double nodes on some external faces and create flat elements.
4889 # Flat elements are mainly used by some types of mechanic calculations.
4891 # Each group of the list must be constituted of faces.
4892 # Triangles are transformed in prisms, and quadrangles in hexahedrons.
4893 # @param theGroupsOfFaces - list of groups of faces
4894 # @return TRUE if operation has been completed successfully, FALSE otherwise
4895 def CreateFlatElementsOnFacesGroups(self, theGroupsOfFaces ):
4896 return self.editor.CreateFlatElementsOnFacesGroups( theGroupsOfFaces )
4898 ## identify all the elements around a geom shape, get the faces delimiting the hole
4900 def CreateHoleSkin(self, radius, theShape, groupName, theNodesCoords):
4901 return self.editor.CreateHoleSkin( radius, theShape, groupName, theNodesCoords )
4903 ## Return a cached numerical functor by its type.
4904 # @param theCriterion functor type - an item of SMESH.FunctorType enumeration.
4905 # Type SMESH.FunctorType._items in the Python Console to see all items.
4906 # Note that not all items correspond to numerical functors.
4907 # @return SMESH_NumericalFunctor. The functor is already initialized
4909 # @ingroup l1_measurements
4910 def GetFunctor(self, funcType ):
4911 fn = self.functors[ funcType._v ]
4913 fn = self.smeshpyD.GetFunctor(funcType)
4914 fn.SetMesh(self.mesh)
4915 self.functors[ funcType._v ] = fn
4918 ## Returns value of a functor for a given element
4919 # @param funcType an item of SMESH.FunctorType enum
4920 # Type "SMESH.FunctorType._items" in the Python Console to see all items.
4921 # @param elemId element or node ID
4922 # @param isElem @a elemId is ID of element or node
4923 # @return the functor value or zero in case of invalid arguments
4924 def FunctorValue(self, funcType, elemId, isElem=True):
4925 fn = self.GetFunctor( funcType )
4926 if fn.GetElementType() == self.GetElementType(elemId, isElem):
4927 val = fn.GetValue(elemId)
4932 ## Get length of 1D element or sum of lengths of all 1D mesh elements
4933 # @param elemId mesh element ID (if not defined - sum of length of all 1D elements will be calculated)
4934 # @return element's length value if \a elemId is specified or sum of all 1D mesh elements' lengths otherwise
4935 # @ingroup l1_measurements
4936 def GetLength(self, elemId=None):
4939 length = self.smeshpyD.GetLength(self)
4941 length = self.FunctorValue(SMESH.FT_Length, elemId)
4944 ## Get area of 2D element or sum of areas of all 2D mesh elements
4945 # @param elemId mesh element ID (if not defined - sum of areas of all 2D elements will be calculated)
4946 # @return element's area value if \a elemId is specified or sum of all 2D mesh elements' areas otherwise
4947 # @ingroup l1_measurements
4948 def GetArea(self, elemId=None):
4951 area = self.smeshpyD.GetArea(self)
4953 area = self.FunctorValue(SMESH.FT_Area, elemId)
4956 ## Get volume of 3D element or sum of volumes of all 3D mesh elements
4957 # @param elemId mesh element ID (if not defined - sum of volumes of all 3D elements will be calculated)
4958 # @return element's volume value if \a elemId is specified or sum of all 3D mesh elements' volumes otherwise
4959 # @ingroup l1_measurements
4960 def GetVolume(self, elemId=None):
4963 volume = self.smeshpyD.GetVolume(self)
4965 volume = self.FunctorValue(SMESH.FT_Volume3D, elemId)
4968 ## Get maximum element length.
4969 # @param elemId mesh element ID
4970 # @return element's maximum length value
4971 # @ingroup l1_measurements
4972 def GetMaxElementLength(self, elemId):
4973 if self.GetElementType(elemId, True) == SMESH.VOLUME:
4974 ftype = SMESH.FT_MaxElementLength3D
4976 ftype = SMESH.FT_MaxElementLength2D
4977 return self.FunctorValue(ftype, elemId)
4979 ## Get aspect ratio of 2D or 3D element.
4980 # @param elemId mesh element ID
4981 # @return element's aspect ratio value
4982 # @ingroup l1_measurements
4983 def GetAspectRatio(self, elemId):
4984 if self.GetElementType(elemId, True) == SMESH.VOLUME:
4985 ftype = SMESH.FT_AspectRatio3D
4987 ftype = SMESH.FT_AspectRatio
4988 return self.FunctorValue(ftype, elemId)
4990 ## Get warping angle of 2D element.
4991 # @param elemId mesh element ID
4992 # @return element's warping angle value
4993 # @ingroup l1_measurements
4994 def GetWarping(self, elemId):
4995 return self.FunctorValue(SMESH.FT_Warping, elemId)
4997 ## Get minimum angle of 2D element.
4998 # @param elemId mesh element ID
4999 # @return element's minimum angle value
5000 # @ingroup l1_measurements
5001 def GetMinimumAngle(self, elemId):
5002 return self.FunctorValue(SMESH.FT_MinimumAngle, elemId)
5004 ## Get taper of 2D element.
5005 # @param elemId mesh element ID
5006 # @return element's taper value
5007 # @ingroup l1_measurements
5008 def GetTaper(self, elemId):
5009 return self.FunctorValue(SMESH.FT_Taper, elemId)
5011 ## Get skew of 2D element.
5012 # @param elemId mesh element ID
5013 # @return element's skew value
5014 # @ingroup l1_measurements
5015 def GetSkew(self, elemId):
5016 return self.FunctorValue(SMESH.FT_Skew, elemId)
5018 ## Return minimal and maximal value of a given functor.
5019 # @param funType a functor type, an item of SMESH.FunctorType enum
5020 # (one of SMESH.FunctorType._items)
5021 # @param meshPart a part of mesh (group, sub-mesh) to treat
5022 # @return tuple (min,max)
5023 # @ingroup l1_measurements
5024 def GetMinMax(self, funType, meshPart=None):
5025 unRegister = genObjUnRegister()
5026 if isinstance( meshPart, list ):
5027 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
5028 unRegister.set( meshPart )
5029 if isinstance( meshPart, Mesh ):
5030 meshPart = meshPart.mesh
5031 fun = self.GetFunctor( funType )
5034 if hasattr( meshPart, "SetMesh" ):
5035 meshPart.SetMesh( self.mesh ) # set mesh to filter
5036 hist = fun.GetLocalHistogram( 1, False, meshPart )
5038 hist = fun.GetHistogram( 1, False )
5040 return hist[0].min, hist[0].max
5043 pass # end of Mesh class
5046 ## Class used to compensate change of CORBA API of SMESH_Mesh for backward compatibility
5047 # with old dump scripts which call SMESH_Mesh directly and not via smeshBuilder.Mesh
5049 class meshProxy(SMESH._objref_SMESH_Mesh):
5051 SMESH._objref_SMESH_Mesh.__init__(self)
5052 def __deepcopy__(self, memo=None):
5053 new = self.__class__()
5055 def CreateDimGroup(self,*args): # 2 args added: nbCommonNodes, underlyingOnly
5056 if len( args ) == 3:
5057 args += SMESH.ALL_NODES, True
5058 return SMESH._objref_SMESH_Mesh.CreateDimGroup( self, *args )
5060 omniORB.registerObjref(SMESH._objref_SMESH_Mesh._NP_RepositoryId, meshProxy)
5063 ## Class wrapping SMESH_SubMesh in order to add Compute()
5065 class submeshProxy(SMESH._objref_SMESH_subMesh):
5067 SMESH._objref_SMESH_subMesh.__init__(self)
5069 def __deepcopy__(self, memo=None):
5070 new = self.__class__()
5073 ## Computes the sub-mesh and returns the status of the computation
5074 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
5075 # @return True or False
5076 # @ingroup l2_construct
5077 def Compute(self,refresh=False):
5079 self.mesh = Mesh( smeshBuilder(), None, self.GetMesh())
5081 ok = self.mesh.Compute( self.GetSubShape(),refresh=[] )
5083 if salome.sg.hasDesktop() and self.mesh.GetStudyId() >= 0:
5084 smeshgui = salome.ImportComponentGUI("SMESH")
5085 smeshgui.Init(self.mesh.GetStudyId())
5086 smeshgui.SetMeshIcon( salome.ObjectToID( self ), ok, (self.GetNumberOfElements()==0) )
5087 if refresh: salome.sg.updateObjBrowser(True)
5092 omniORB.registerObjref(SMESH._objref_SMESH_subMesh._NP_RepositoryId, submeshProxy)
5095 ## Class used to compensate change of CORBA API of SMESH_MeshEditor for backward compatibility
5096 # with old dump scripts which call SMESH_MeshEditor directly and not via smeshBuilder.Mesh
5098 class meshEditor(SMESH._objref_SMESH_MeshEditor):
5100 SMESH._objref_SMESH_MeshEditor.__init__(self)
5102 def __getattr__(self, name ): # method called if an attribute not found
5103 if not self.mesh: # look for name() method in Mesh class
5104 self.mesh = Mesh( None, None, SMESH._objref_SMESH_MeshEditor.GetMesh(self))
5105 if hasattr( self.mesh, name ):
5106 return getattr( self.mesh, name )
5107 if name == "ExtrusionAlongPathObjX":
5108 return getattr( self.mesh, "ExtrusionAlongPathX" ) # other method name
5109 print "meshEditor: attribute '%s' NOT FOUND" % name
5111 def __deepcopy__(self, memo=None):
5112 new = self.__class__()
5114 def FindCoincidentNodes(self,*args): # a 2nd arg added (SeparateCornerAndMediumNodes)
5115 if len( args ) == 1: args += False,
5116 return SMESH._objref_SMESH_MeshEditor.FindCoincidentNodes( self, *args )
5117 def FindCoincidentNodesOnPart(self,*args): # a 3d arg added (SeparateCornerAndMediumNodes)
5118 if len( args ) == 2: args += False,
5119 return SMESH._objref_SMESH_MeshEditor.FindCoincidentNodesOnPart( self, *args )
5120 def MergeNodes(self,*args): # a 2nd arg added (NodesToKeep)
5121 if len( args ) == 1:
5122 return SMESH._objref_SMESH_MeshEditor.MergeNodes( self, args[0], [] )
5123 NodesToKeep = args[1]
5124 unRegister = genObjUnRegister()
5126 if isinstance( NodesToKeep, list ) and isinstance( NodesToKeep[0], int ):
5127 NodesToKeep = self.MakeIDSource( NodesToKeep, SMESH.NODE )
5128 if not isinstance( NodesToKeep, list ):
5129 NodesToKeep = [ NodesToKeep ]
5130 return SMESH._objref_SMESH_MeshEditor.MergeNodes( self, args[0], NodesToKeep )
5132 omniORB.registerObjref(SMESH._objref_SMESH_MeshEditor._NP_RepositoryId, meshEditor)
5134 ## Helper class for wrapping of SMESH.SMESH_Pattern CORBA class
5136 class Pattern(SMESH._objref_SMESH_Pattern):
5138 def LoadFromFile(self, patternTextOrFile ):
5139 text = patternTextOrFile
5140 if os.path.exists( text ):
5141 text = open( patternTextOrFile ).read()
5143 return SMESH._objref_SMESH_Pattern.LoadFromFile( self, text )
5145 def ApplyToMeshFaces(self, theMesh, theFacesIDs, theNodeIndexOnKeyPoint1, theReverse):
5146 decrFun = lambda i: i-1
5147 theNodeIndexOnKeyPoint1,Parameters,hasVars = ParseParameters(theNodeIndexOnKeyPoint1, decrFun)
5148 theMesh.SetParameters(Parameters)
5149 return SMESH._objref_SMESH_Pattern.ApplyToMeshFaces( self, theMesh, theFacesIDs, theNodeIndexOnKeyPoint1, theReverse )
5151 def ApplyToHexahedrons(self, theMesh, theVolumesIDs, theNode000Index, theNode001Index):
5152 decrFun = lambda i: i-1
5153 theNode000Index,theNode001Index,Parameters,hasVars = ParseParameters(theNode000Index,theNode001Index, decrFun)
5154 theMesh.SetParameters(Parameters)
5155 return SMESH._objref_SMESH_Pattern.ApplyToHexahedrons( self, theMesh, theVolumesIDs, theNode000Index, theNode001Index )
5157 def MakeMesh(self, mesh, CreatePolygons=False, CreatePolyhedra=False):
5158 if isinstance( mesh, Mesh ):
5159 mesh = mesh.GetMesh()
5160 return SMESH._objref_SMESH_Pattern.MakeMesh( self, mesh, CreatePolygons, CreatePolyhedra )
5162 # Registering the new proxy for Pattern
5163 omniORB.registerObjref(SMESH._objref_SMESH_Pattern._NP_RepositoryId, Pattern)
5165 ## Private class used to bind methods creating algorithms to the class Mesh
5170 self.defaultAlgoType = ""
5171 self.algoTypeToClass = {}
5173 # Stores a python class of algorithm
5174 def add(self, algoClass):
5175 if type( algoClass ).__name__ == 'classobj' and \
5176 hasattr( algoClass, "algoType"):
5177 self.algoTypeToClass[ algoClass.algoType ] = algoClass
5178 if not self.defaultAlgoType and \
5179 hasattr( algoClass, "isDefault") and algoClass.isDefault:
5180 self.defaultAlgoType = algoClass.algoType
5181 #print "Add",algoClass.algoType, "dflt",self.defaultAlgoType
5183 # creates a copy of self and assign mesh to the copy
5184 def copy(self, mesh):
5185 other = algoCreator()
5186 other.defaultAlgoType = self.defaultAlgoType
5187 other.algoTypeToClass = self.algoTypeToClass
5191 # creates an instance of algorithm
5192 def __call__(self,algo="",geom=0,*args):
5193 algoType = self.defaultAlgoType
5194 for arg in args + (algo,geom):
5195 if isinstance( arg, geomBuilder.GEOM._objref_GEOM_Object ):
5197 if isinstance( arg, str ) and arg:
5199 if not algoType and self.algoTypeToClass:
5200 algoType = self.algoTypeToClass.keys()[0]
5201 if self.algoTypeToClass.has_key( algoType ):
5202 #print "Create algo",algoType
5203 return self.algoTypeToClass[ algoType ]( self.mesh, geom )
5204 raise RuntimeError, "No class found for algo type %s" % algoType
5207 ## Private class used to substitute and store variable parameters of hypotheses.
5209 class hypMethodWrapper:
5210 def __init__(self, hyp, method):
5212 self.method = method
5213 #print "REBIND:", method.__name__
5216 # call a method of hypothesis with calling SetVarParameter() before
5217 def __call__(self,*args):
5219 return self.method( self.hyp, *args ) # hypothesis method with no args
5221 #print "MethWrapper.__call__",self.method.__name__, args
5223 parsed = ParseParameters(*args) # replace variables with their values
5224 self.hyp.SetVarParameter( parsed[-2], self.method.__name__ )
5225 result = self.method( self.hyp, *parsed[:-2] ) # call hypothesis method
5226 except omniORB.CORBA.BAD_PARAM: # raised by hypothesis method call
5227 # maybe there is a replaced string arg which is not variable
5228 result = self.method( self.hyp, *args )
5229 except ValueError, detail: # raised by ParseParameters()
5231 result = self.method( self.hyp, *args )
5232 except omniORB.CORBA.BAD_PARAM:
5233 raise ValueError, detail # wrong variable name
5238 ## A helper class that call UnRegister() of SALOME.GenericObj'es stored in it
5240 class genObjUnRegister:
5242 def __init__(self, genObj=None):
5243 self.genObjList = []
5247 def set(self, genObj):
5248 "Store one or a list of of SALOME.GenericObj'es"
5249 if isinstance( genObj, list ):
5250 self.genObjList.extend( genObj )
5252 self.genObjList.append( genObj )
5256 for genObj in self.genObjList:
5257 if genObj and hasattr( genObj, "UnRegister" ):
5261 ## Bind methods creating mesher plug-ins to the Mesh class
5263 for pluginName in os.environ[ "SMESH_MeshersList" ].split( ":" ):
5265 #print "pluginName: ", pluginName
5266 pluginBuilderName = pluginName + "Builder"
5268 exec( "from salome.%s.%s import *" % (pluginName, pluginBuilderName))
5269 except Exception, e:
5270 from salome_utils import verbose
5271 if verbose(): print "Exception while loading %s: %s" % ( pluginBuilderName, e )
5273 exec( "from salome.%s import %s" % (pluginName, pluginBuilderName))
5274 plugin = eval( pluginBuilderName )
5275 #print " plugin:" , str(plugin)
5277 # add methods creating algorithms to Mesh
5278 for k in dir( plugin ):
5279 if k[0] == '_': continue
5280 algo = getattr( plugin, k )
5281 #print " algo:", str(algo)
5282 if type( algo ).__name__ == 'classobj' and hasattr( algo, "meshMethod" ):
5283 #print " meshMethod:" , str(algo.meshMethod)
5284 if not hasattr( Mesh, algo.meshMethod ):
5285 setattr( Mesh, algo.meshMethod, algoCreator() )
5287 getattr( Mesh, algo.meshMethod ).add( algo )