1 # Copyright (C) 2007-2015 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_radialp Radial Prism
36 ## @defgroup l3_algos_segmarv Segments around Vertex
37 ## @defgroup l3_algos_3dextr 3D extrusion meshing algorithm
40 ## @defgroup l2_hypotheses Defining hypotheses
42 ## @defgroup l3_hypos_1dhyps 1D Meshing Hypotheses
43 ## @defgroup l3_hypos_2dhyps 2D Meshing Hypotheses
44 ## @defgroup l3_hypos_maxvol Max Element Volume hypothesis
45 ## @defgroup l3_hypos_quad Quadrangle Parameters hypothesis
46 ## @defgroup l3_hypos_additi Additional Hypotheses
49 ## @defgroup l2_submeshes Constructing submeshes
50 ## @defgroup l2_compounds Building Compounds
51 ## @defgroup l2_editing Editing Meshes
54 ## @defgroup l1_meshinfo Mesh Information
55 ## @defgroup l1_controls Quality controls and Filtering
56 ## @defgroup l1_grouping Grouping elements
58 ## @defgroup l2_grps_create Creating groups
59 ## @defgroup l2_grps_edit Editing groups
60 ## @defgroup l2_grps_operon Using operations on groups
61 ## @defgroup l2_grps_delete Deleting Groups
64 ## @defgroup l1_modifying Modifying meshes
66 ## @defgroup l2_modif_add Adding nodes and elements
67 ## @defgroup l2_modif_del Removing nodes and elements
68 ## @defgroup l2_modif_edit Modifying nodes and elements
69 ## @defgroup l2_modif_renumber Renumbering nodes and elements
70 ## @defgroup l2_modif_trsf Transforming meshes (Translation, Rotation, Symmetry, Sewing, Merging)
71 ## @defgroup l2_modif_movenode Moving nodes
72 ## @defgroup l2_modif_throughp Mesh through point
73 ## @defgroup l2_modif_invdiag Diagonal inversion of elements
74 ## @defgroup l2_modif_unitetri Uniting triangles
75 ## @defgroup l2_modif_changori Changing orientation of elements
76 ## @defgroup l2_modif_cutquadr Cutting elements
77 ## @defgroup l2_modif_smooth Smoothing
78 ## @defgroup l2_modif_extrurev Extrusion and Revolution
79 ## @defgroup l2_modif_patterns Pattern mapping
80 ## @defgroup l2_modif_tofromqu Convert to/from Quadratic Mesh
83 ## @defgroup l1_measurements Measurements
86 from salome.geom import geomBuilder
88 import SMESH # This is necessary for back compatibility
90 from salome.smesh.smesh_algorithm import Mesh_Algorithm
97 def __instancecheck__(cls, inst):
98 """Implement isinstance(inst, cls)."""
99 return any(cls.__subclasscheck__(c)
100 for c in {type(inst), inst.__class__})
102 def __subclasscheck__(cls, sub):
103 """Implement issubclass(sub, cls)."""
104 return type.__subclasscheck__(cls, sub) or (cls.__name__ == sub.__name__ and cls.__module__ == sub.__module__)
106 ## @addtogroup l1_auxiliary
109 ## Converts an angle from degrees to radians
110 def DegreesToRadians(AngleInDegrees):
112 return AngleInDegrees * pi / 180.0
114 import salome_notebook
115 notebook = salome_notebook.notebook
116 # Salome notebook variable separator
119 ## Return list of variable values from salome notebook.
120 # The last argument, if is callable, is used to modify values got from notebook
121 def ParseParameters(*args):
126 if args and callable( args[-1] ):
127 args, varModifFun = args[:-1], args[-1]
128 for parameter in args:
130 Parameters += str(parameter) + var_separator
132 if isinstance(parameter,str):
133 # check if there is an inexistent variable name
134 if not notebook.isVariable(parameter):
135 raise ValueError, "Variable with name '" + parameter + "' doesn't exist!!!"
136 parameter = notebook.get(parameter)
139 parameter = varModifFun(parameter)
142 Result.append(parameter)
145 Parameters = Parameters[:-1]
146 Result.append( Parameters )
147 Result.append( hasVariables )
150 # Parse parameters converting variables to radians
151 def ParseAngles(*args):
152 return ParseParameters( *( args + (DegreesToRadians, )))
154 # Substitute PointStruct.__init__() to create SMESH.PointStruct using notebook variables.
155 # Parameters are stored in PointStruct.parameters attribute
156 def __initPointStruct(point,*args):
157 point.x, point.y, point.z, point.parameters,hasVars = ParseParameters(*args)
159 SMESH.PointStruct.__init__ = __initPointStruct
161 # Substitute AxisStruct.__init__() to create SMESH.AxisStruct using notebook variables.
162 # Parameters are stored in AxisStruct.parameters attribute
163 def __initAxisStruct(ax,*args):
166 "Bad nb args (%s) passed in SMESH.AxisStruct(x,y,z,dx,dy,dz)"%(len( args ))
167 ax.x, ax.y, ax.z, ax.vx, ax.vy, ax.vz, ax.parameters,hasVars = ParseParameters(*args)
169 SMESH.AxisStruct.__init__ = __initAxisStruct
171 smeshPrecisionConfusion = 1.e-07
172 def IsEqual(val1, val2, tol=smeshPrecisionConfusion):
173 if abs(val1 - val2) < tol:
183 if isinstance(obj, SALOMEDS._objref_SObject):
187 ior = salome.orb.object_to_string(obj)
192 studies = salome.myStudyManager.GetOpenStudies()
193 for sname in studies:
194 s = salome.myStudyManager.GetStudyByName(sname)
196 sobj = s.FindObjectIOR(ior)
197 if not sobj: continue
198 return sobj.GetName()
199 if hasattr(obj, "GetName"):
200 # unknown CORBA object, having GetName() method
203 # unknown CORBA object, no GetName() method
206 if hasattr(obj, "GetName"):
207 # unknown non-CORBA object, having GetName() method
210 raise RuntimeError, "Null or invalid object"
212 ## Prints error message if a hypothesis was not assigned.
213 def TreatHypoStatus(status, hypName, geomName, isAlgo, mesh):
215 hypType = "algorithm"
217 hypType = "hypothesis"
220 if hasattr( status, "__getitem__" ):
221 status,reason = status[0],status[1]
222 if status == HYP_UNKNOWN_FATAL :
223 reason = "for unknown reason"
224 elif status == HYP_INCOMPATIBLE :
225 reason = "this hypothesis mismatches the algorithm"
226 elif status == HYP_NOTCONFORM :
227 reason = "a non-conform mesh would be built"
228 elif status == HYP_ALREADY_EXIST :
229 if isAlgo: return # it does not influence anything
230 reason = hypType + " of the same dimension is already assigned to this shape"
231 elif status == HYP_BAD_DIM :
232 reason = hypType + " mismatches the shape"
233 elif status == HYP_CONCURENT :
234 reason = "there are concurrent hypotheses on sub-shapes"
235 elif status == HYP_BAD_SUBSHAPE :
236 reason = "the shape is neither the main one, nor its sub-shape, nor a valid group"
237 elif status == HYP_BAD_GEOMETRY:
238 reason = "the algorithm is not applicable to this geometry"
239 elif status == HYP_HIDDEN_ALGO:
240 reason = "it is hidden by an algorithm of an upper dimension, which generates elements of all dimensions"
241 elif status == HYP_HIDING_ALGO:
242 reason = "it hides algorithms of lower dimensions by generating elements of all dimensions"
243 elif status == HYP_NEED_SHAPE:
244 reason = "algorithm can't work without shape"
245 elif status == HYP_INCOMPAT_HYPS:
251 where = '"%s"' % geomName
253 meshName = GetName( mesh )
254 if meshName and meshName != NO_NAME:
255 where = '"%s" in "%s"' % ( geomName, meshName )
256 if status < HYP_UNKNOWN_FATAL and where:
257 print '"%s" was assigned to %s but %s' %( hypName, where, reason )
259 print '"%s" was not assigned to %s : %s' %( hypName, where, reason )
261 print '"%s" was not assigned : %s' %( hypName, reason )
264 ## Private method. Add geom (sub-shape of the main shape) into the study if not yet there
265 def AssureGeomPublished(mesh, geom, name=''):
266 if not isinstance( geom, geomBuilder.GEOM._objref_GEOM_Object ):
268 if not geom.GetStudyEntry() and \
269 mesh.smeshpyD.GetCurrentStudy():
271 studyID = mesh.smeshpyD.GetCurrentStudy()._get_StudyId()
272 if studyID != mesh.geompyD.myStudyId:
273 mesh.geompyD.init_geom( mesh.smeshpyD.GetCurrentStudy())
275 if not name and geom.GetShapeType() != geomBuilder.GEOM.COMPOUND:
276 # for all groups SubShapeName() returns "Compound_-1"
277 name = mesh.geompyD.SubShapeName(geom, mesh.geom)
279 name = "%s_%s"%(geom.GetShapeType(), id(geom)%10000)
281 mesh.geompyD.addToStudyInFather( mesh.geom, geom, name )
284 ## Return the first vertex of a geometrical edge by ignoring orientation
285 def FirstVertexOnCurve(mesh, edge):
286 vv = mesh.geompyD.SubShapeAll( edge, geomBuilder.geomBuilder.ShapeType["VERTEX"])
288 raise TypeError, "Given object has no vertices"
289 if len( vv ) == 1: return vv[0]
290 v0 = mesh.geompyD.MakeVertexOnCurve(edge,0.)
291 xyz = mesh.geompyD.PointCoordinates( v0 ) # coords of the first vertex
292 xyz1 = mesh.geompyD.PointCoordinates( vv[0] )
293 xyz2 = mesh.geompyD.PointCoordinates( vv[1] )
296 dist1 += abs( xyz[i] - xyz1[i] )
297 dist2 += abs( xyz[i] - xyz2[i] )
303 # end of l1_auxiliary
307 # Warning: smeshInst is a singleton
313 ## This class allows to create, load or manipulate meshes
314 # It has a set of methods to create load or copy meshes, to combine several meshes.
315 # It also has methods to get infos on meshes.
316 class smeshBuilder(object, SMESH._objref_SMESH_Gen):
318 # MirrorType enumeration
319 POINT = SMESH_MeshEditor.POINT
320 AXIS = SMESH_MeshEditor.AXIS
321 PLANE = SMESH_MeshEditor.PLANE
323 # Smooth_Method enumeration
324 LAPLACIAN_SMOOTH = SMESH_MeshEditor.LAPLACIAN_SMOOTH
325 CENTROIDAL_SMOOTH = SMESH_MeshEditor.CENTROIDAL_SMOOTH
327 PrecisionConfusion = smeshPrecisionConfusion
329 # TopAbs_State enumeration
330 [TopAbs_IN, TopAbs_OUT, TopAbs_ON, TopAbs_UNKNOWN] = range(4)
332 # Methods of splitting a hexahedron into tetrahedra
333 Hex_5Tet, Hex_6Tet, Hex_24Tet, Hex_2Prisms, Hex_4Prisms = 1, 2, 3, 1, 2
339 #print "==== __new__", engine, smeshInst, doLcc
341 if smeshInst is None:
342 # smesh engine is either retrieved from engine, or created
344 # Following test avoids a recursive loop
346 if smeshInst is not None:
347 # smesh engine not created: existing engine found
351 # FindOrLoadComponent called:
352 # 1. CORBA resolution of server
353 # 2. the __new__ method is called again
354 #print "==== smeshInst = lcc.FindOrLoadComponent ", engine, smeshInst, doLcc
355 smeshInst = salome.lcc.FindOrLoadComponent( "FactoryServer", "SMESH" )
357 # FindOrLoadComponent not called
358 if smeshInst is None:
359 # smeshBuilder instance is created from lcc.FindOrLoadComponent
360 #print "==== smeshInst = super(smeshBuilder,cls).__new__(cls) ", engine, smeshInst, doLcc
361 smeshInst = super(smeshBuilder,cls).__new__(cls)
363 # smesh engine not created: existing engine found
364 #print "==== existing ", engine, smeshInst, doLcc
366 #print "====1 ", smeshInst
369 #print "====2 ", smeshInst
374 #print "--------------- smeshbuilder __init__ ---", created
377 SMESH._objref_SMESH_Gen.__init__(self)
379 ## Dump component to the Python script
380 # This method overrides IDL function to allow default values for the parameters.
381 def DumpPython(self, theStudy, theIsPublished=True, theIsMultiFile=True):
382 return SMESH._objref_SMESH_Gen.DumpPython(self, theStudy, theIsPublished, theIsMultiFile)
384 ## Set mode of DumpPython(), \a historical or \a snapshot.
385 # In the \a historical mode, the Python Dump script includes all commands
386 # performed by SMESH engine. In the \a snapshot mode, commands
387 # relating to objects removed from the Study are excluded from the script
388 # as well as commands not influencing the current state of meshes
389 def SetDumpPythonHistorical(self, isHistorical):
390 if isHistorical: val = "true"
392 SMESH._objref_SMESH_Gen.SetOption(self, "historical_python_dump", val)
394 ## Sets the current study and Geometry component
395 # @ingroup l1_auxiliary
396 def init_smesh(self,theStudy,geompyD = None):
398 self.SetCurrentStudy(theStudy,geompyD)
401 notebook.myStudy = theStudy
403 ## Creates a mesh. This can be either an empty mesh, possibly having an underlying geometry,
404 # or a mesh wrapping a CORBA mesh given as a parameter.
405 # @param obj either (1) a CORBA mesh (SMESH._objref_SMESH_Mesh) got e.g. by calling
406 # salome.myStudy.FindObjectID("0:1:2:3").GetObject() or
407 # (2) a Geometrical object for meshing or
409 # @param name the name for the new mesh.
410 # @return an instance of Mesh class.
411 # @ingroup l2_construct
412 def Mesh(self, obj=0, name=0):
413 if isinstance(obj,str):
415 return Mesh(self,self.geompyD,obj,name)
417 ## Returns a long value from enumeration
418 # @ingroup l1_controls
419 def EnumToLong(self,theItem):
422 ## Returns a string representation of the color.
423 # To be used with filters.
424 # @param c color value (SALOMEDS.Color)
425 # @ingroup l1_controls
426 def ColorToString(self,c):
428 if isinstance(c, SALOMEDS.Color):
429 val = "%s;%s;%s" % (c.R, c.G, c.B)
430 elif isinstance(c, str):
433 raise ValueError, "Color value should be of string or SALOMEDS.Color type"
436 ## Gets PointStruct from vertex
437 # @param theVertex a GEOM object(vertex)
438 # @return SMESH.PointStruct
439 # @ingroup l1_auxiliary
440 def GetPointStruct(self,theVertex):
441 [x, y, z] = self.geompyD.PointCoordinates(theVertex)
442 return PointStruct(x,y,z)
444 ## Gets DirStruct from vector
445 # @param theVector a GEOM object(vector)
446 # @return SMESH.DirStruct
447 # @ingroup l1_auxiliary
448 def GetDirStruct(self,theVector):
449 vertices = self.geompyD.SubShapeAll( theVector, geomBuilder.geomBuilder.ShapeType["VERTEX"] )
450 if(len(vertices) != 2):
451 print "Error: vector object is incorrect."
453 p1 = self.geompyD.PointCoordinates(vertices[0])
454 p2 = self.geompyD.PointCoordinates(vertices[1])
455 pnt = PointStruct(p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
456 dirst = DirStruct(pnt)
459 ## Makes DirStruct from a triplet
460 # @param x,y,z vector components
461 # @return SMESH.DirStruct
462 # @ingroup l1_auxiliary
463 def MakeDirStruct(self,x,y,z):
464 pnt = PointStruct(x,y,z)
465 return DirStruct(pnt)
467 ## Get AxisStruct from object
468 # @param theObj a GEOM object (line or plane)
469 # @return SMESH.AxisStruct
470 # @ingroup l1_auxiliary
471 def GetAxisStruct(self,theObj):
473 edges = self.geompyD.SubShapeAll( theObj, geomBuilder.geomBuilder.ShapeType["EDGE"] )
476 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
477 vertex3, vertex4 = self.geompyD.SubShapeAll( edges[1], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
478 vertex1 = self.geompyD.PointCoordinates(vertex1)
479 vertex2 = self.geompyD.PointCoordinates(vertex2)
480 vertex3 = self.geompyD.PointCoordinates(vertex3)
481 vertex4 = self.geompyD.PointCoordinates(vertex4)
482 v1 = [vertex2[0]-vertex1[0], vertex2[1]-vertex1[1], vertex2[2]-vertex1[2]]
483 v2 = [vertex4[0]-vertex3[0], vertex4[1]-vertex3[1], vertex4[2]-vertex3[2]]
484 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] ]
485 axis = AxisStruct(vertex1[0], vertex1[1], vertex1[2], normal[0], normal[1], normal[2])
486 axis._mirrorType = SMESH.SMESH_MeshEditor.PLANE
487 elif len(edges) == 1:
488 vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
489 p1 = self.geompyD.PointCoordinates( vertex1 )
490 p2 = self.geompyD.PointCoordinates( vertex2 )
491 axis = AxisStruct(p1[0], p1[1], p1[2], p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
492 axis._mirrorType = SMESH.SMESH_MeshEditor.AXIS
493 elif theObj.GetShapeType() == GEOM.VERTEX:
494 x,y,z = self.geompyD.PointCoordinates( theObj )
495 axis = AxisStruct( x,y,z, 1,0,0,)
496 axis._mirrorType = SMESH.SMESH_MeshEditor.POINT
499 # From SMESH_Gen interface:
500 # ------------------------
502 ## Sets the given name to the object
503 # @param obj the object to rename
504 # @param name a new object name
505 # @ingroup l1_auxiliary
506 def SetName(self, obj, name):
507 if isinstance( obj, Mesh ):
509 elif isinstance( obj, Mesh_Algorithm ):
510 obj = obj.GetAlgorithm()
511 ior = salome.orb.object_to_string(obj)
512 SMESH._objref_SMESH_Gen.SetName(self, ior, name)
514 ## Sets the current mode
515 # @ingroup l1_auxiliary
516 def SetEmbeddedMode( self,theMode ):
517 #self.SetEmbeddedMode(theMode)
518 SMESH._objref_SMESH_Gen.SetEmbeddedMode(self,theMode)
520 ## Gets the current mode
521 # @ingroup l1_auxiliary
522 def IsEmbeddedMode(self):
523 #return self.IsEmbeddedMode()
524 return SMESH._objref_SMESH_Gen.IsEmbeddedMode(self)
526 ## Sets the current study. Calling SetCurrentStudy( None ) allows to
527 # switch OFF automatic pubilishing in the Study of mesh objects.
528 # @ingroup l1_auxiliary
529 def SetCurrentStudy( self, theStudy, geompyD = None ):
530 #self.SetCurrentStudy(theStudy)
532 from salome.geom import geomBuilder
533 geompyD = geomBuilder.geom
536 self.SetGeomEngine(geompyD)
537 SMESH._objref_SMESH_Gen.SetCurrentStudy(self,theStudy)
540 notebook = salome_notebook.NoteBook( theStudy )
542 notebook = salome_notebook.NoteBook( salome_notebook.PseudoStudyForNoteBook() )
544 sb = theStudy.NewBuilder()
545 sc = theStudy.FindComponent("SMESH")
546 if sc: sb.LoadWith(sc, self)
550 ## Gets the current study
551 # @ingroup l1_auxiliary
552 def GetCurrentStudy(self):
553 #return self.GetCurrentStudy()
554 return SMESH._objref_SMESH_Gen.GetCurrentStudy(self)
556 ## Creates a Mesh object importing data from the given UNV file
557 # @return an instance of Mesh class
559 def CreateMeshesFromUNV( self,theFileName ):
560 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromUNV(self,theFileName)
561 aMesh = Mesh(self, self.geompyD, aSmeshMesh)
564 ## Creates a Mesh object(s) importing data from the given MED file
565 # @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
567 def CreateMeshesFromMED( self,theFileName ):
568 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromMED(self,theFileName)
569 aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
570 return aMeshes, aStatus
572 ## Creates a Mesh object(s) importing data from the given SAUV file
573 # @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
575 def CreateMeshesFromSAUV( self,theFileName ):
576 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromSAUV(self,theFileName)
577 aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
578 return aMeshes, aStatus
580 ## Creates a Mesh object importing data from the given STL file
581 # @return an instance of Mesh class
583 def CreateMeshesFromSTL( self, theFileName ):
584 aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromSTL(self,theFileName)
585 aMesh = Mesh(self, self.geompyD, aSmeshMesh)
588 ## Creates Mesh objects importing data from the given CGNS file
589 # @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
591 def CreateMeshesFromCGNS( self, theFileName ):
592 aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromCGNS(self,theFileName)
593 aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
594 return aMeshes, aStatus
596 ## Creates a Mesh object importing data from the given GMF file.
597 # GMF files must have .mesh extension for the ASCII format and .meshb for
599 # @return [ an instance of Mesh class, SMESH.ComputeError ]
601 def CreateMeshesFromGMF( self, theFileName ):
602 aSmeshMesh, error = SMESH._objref_SMESH_Gen.CreateMeshesFromGMF(self,
605 if error.comment: print "*** CreateMeshesFromGMF() errors:\n", error.comment
606 return Mesh(self, self.geompyD, aSmeshMesh), error
608 ## Concatenate the given meshes into one mesh. All groups of input meshes will be
609 # present in the new mesh.
610 # @param meshes the meshes, sub-meshes and groups to combine into one mesh
611 # @param uniteIdenticalGroups if true, groups with same names are united, else they are renamed
612 # @param mergeNodesAndElements if true, equal nodes and elements are merged
613 # @param mergeTolerance tolerance for merging nodes
614 # @param allGroups forces creation of groups corresponding to every input mesh
615 # @param name name of a new mesh
616 # @return an instance of Mesh class
617 def Concatenate( self, meshes, uniteIdenticalGroups,
618 mergeNodesAndElements = False, mergeTolerance = 1e-5, allGroups = False,
620 if not meshes: return None
621 for i,m in enumerate(meshes):
622 if isinstance(m, Mesh):
623 meshes[i] = m.GetMesh()
624 mergeTolerance,Parameters,hasVars = ParseParameters(mergeTolerance)
625 meshes[0].SetParameters(Parameters)
627 aSmeshMesh = SMESH._objref_SMESH_Gen.ConcatenateWithGroups(
628 self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
630 aSmeshMesh = SMESH._objref_SMESH_Gen.Concatenate(
631 self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
632 aMesh = Mesh(self, self.geompyD, aSmeshMesh, name=name)
635 ## Create a mesh by copying a part of another mesh.
636 # @param meshPart a part of mesh to copy, either a Mesh, a sub-mesh or a group;
637 # to copy nodes or elements not contained in any mesh object,
638 # pass result of Mesh.GetIDSource( list_of_ids, type ) as meshPart
639 # @param meshName a name of the new mesh
640 # @param toCopyGroups to create in the new mesh groups the copied elements belongs to
641 # @param toKeepIDs to preserve order of the copied elements or not
642 # @return an instance of Mesh class
643 def CopyMesh( self, meshPart, meshName, toCopyGroups=False, toKeepIDs=False):
644 if (isinstance( meshPart, Mesh )):
645 meshPart = meshPart.GetMesh()
646 mesh = SMESH._objref_SMESH_Gen.CopyMesh( self,meshPart,meshName,toCopyGroups,toKeepIDs )
647 return Mesh(self, self.geompyD, mesh)
649 ## From SMESH_Gen interface
650 # @return the list of integer values
651 # @ingroup l1_auxiliary
652 def GetSubShapesId( self, theMainObject, theListOfSubObjects ):
653 return SMESH._objref_SMESH_Gen.GetSubShapesId(self,theMainObject, theListOfSubObjects)
655 ## From SMESH_Gen interface. Creates a pattern
656 # @return an instance of SMESH_Pattern
658 # <a href="../tui_modifying_meshes_page.html#tui_pattern_mapping">Example of Patterns usage</a>
659 # @ingroup l2_modif_patterns
660 def GetPattern(self):
661 return SMESH._objref_SMESH_Gen.GetPattern(self)
663 ## Sets number of segments per diagonal of boundary box of geometry by which
664 # default segment length of appropriate 1D hypotheses is defined.
665 # Default value is 10
666 # @ingroup l1_auxiliary
667 def SetBoundaryBoxSegmentation(self, nbSegments):
668 SMESH._objref_SMESH_Gen.SetBoundaryBoxSegmentation(self,nbSegments)
670 # Filtering. Auxiliary functions:
671 # ------------------------------
673 ## Creates an empty criterion
674 # @return SMESH.Filter.Criterion
675 # @ingroup l1_controls
676 def GetEmptyCriterion(self):
677 Type = self.EnumToLong(FT_Undefined)
678 Compare = self.EnumToLong(FT_Undefined)
682 UnaryOp = self.EnumToLong(FT_Undefined)
683 BinaryOp = self.EnumToLong(FT_Undefined)
686 Precision = -1 ##@1e-07
687 return Filter.Criterion(Type, Compare, Threshold, ThresholdStr, ThresholdID,
688 UnaryOp, BinaryOp, Tolerance, TypeOfElement, Precision)
690 ## Creates a criterion by the given parameters
691 # \n Criterion structures allow to define complex filters by combining them with logical operations (AND / OR) (see example below)
692 # @param elementType the type of elements(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
693 # @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
694 # Type SMESH.FunctorType._items in the Python Console to see all values.
695 # Note that the items starting from FT_LessThan are not suitable for CritType.
696 # @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
697 # @param Threshold the threshold value (range of ids as string, shape, numeric)
698 # @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
699 # @param BinaryOp a binary logical operation SMESH.FT_LogicalAND, SMESH.FT_LogicalOR or
701 # @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
702 # SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces criteria
703 # @return SMESH.Filter.Criterion
705 # <a href="../tui_filters_page.html#combining_filters">Example of Criteria usage</a>
706 # @ingroup l1_controls
707 def GetCriterion(self,elementType,
709 Compare = FT_EqualTo,
711 UnaryOp=FT_Undefined,
712 BinaryOp=FT_Undefined,
714 if not CritType in SMESH.FunctorType._items:
715 raise TypeError, "CritType should be of SMESH.FunctorType"
716 aCriterion = self.GetEmptyCriterion()
717 aCriterion.TypeOfElement = elementType
718 aCriterion.Type = self.EnumToLong(CritType)
719 aCriterion.Tolerance = Tolerance
721 aThreshold = Threshold
723 if Compare in [FT_LessThan, FT_MoreThan, FT_EqualTo]:
724 aCriterion.Compare = self.EnumToLong(Compare)
725 elif Compare == "=" or Compare == "==":
726 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
728 aCriterion.Compare = self.EnumToLong(FT_LessThan)
730 aCriterion.Compare = self.EnumToLong(FT_MoreThan)
731 elif Compare != FT_Undefined:
732 aCriterion.Compare = self.EnumToLong(FT_EqualTo)
735 if CritType in [FT_BelongToGeom, FT_BelongToPlane, FT_BelongToGenSurface,
736 FT_BelongToCylinder, FT_LyingOnGeom]:
737 # Check that Threshold is GEOM object
738 if isinstance(aThreshold, geomBuilder.GEOM._objref_GEOM_Object):
739 aCriterion.ThresholdStr = GetName(aThreshold)
740 aCriterion.ThresholdID = aThreshold.GetStudyEntry()
741 if not aCriterion.ThresholdID:
742 name = aCriterion.ThresholdStr
744 name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
745 aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
746 # or a name of GEOM object
747 elif isinstance( aThreshold, str ):
748 aCriterion.ThresholdStr = aThreshold
750 raise TypeError, "The Threshold should be a shape."
751 if isinstance(UnaryOp,float):
752 aCriterion.Tolerance = UnaryOp
753 UnaryOp = FT_Undefined
755 elif CritType == FT_BelongToMeshGroup:
756 # Check that Threshold is a group
757 if isinstance(aThreshold, SMESH._objref_SMESH_GroupBase):
758 if aThreshold.GetType() != elementType:
759 raise ValueError, "Group type mismatches Element type"
760 aCriterion.ThresholdStr = aThreshold.GetName()
761 aCriterion.ThresholdID = salome.orb.object_to_string( aThreshold )
762 study = self.GetCurrentStudy()
764 so = study.FindObjectIOR( aCriterion.ThresholdID )
768 aCriterion.ThresholdID = entry
770 raise TypeError, "The Threshold should be a Mesh Group"
771 elif CritType == FT_RangeOfIds:
772 # Check that Threshold is string
773 if isinstance(aThreshold, str):
774 aCriterion.ThresholdStr = aThreshold
776 raise TypeError, "The Threshold should be a string."
777 elif CritType == FT_CoplanarFaces:
778 # Check the Threshold
779 if isinstance(aThreshold, int):
780 aCriterion.ThresholdID = str(aThreshold)
781 elif isinstance(aThreshold, str):
784 raise ValueError, "Invalid ID of mesh face: '%s'"%aThreshold
785 aCriterion.ThresholdID = aThreshold
788 "The Threshold should be an ID of mesh face and not '%s'"%aThreshold
789 elif CritType == FT_ConnectedElements:
790 # Check the Threshold
791 if isinstance(aThreshold, geomBuilder.GEOM._objref_GEOM_Object): # shape
792 aCriterion.ThresholdID = aThreshold.GetStudyEntry()
793 if not aCriterion.ThresholdID:
794 name = aThreshold.GetName()
796 name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
797 aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
798 elif isinstance(aThreshold, int): # node id
799 aCriterion.Threshold = aThreshold
800 elif isinstance(aThreshold, list): # 3 point coordinates
801 if len( aThreshold ) < 3:
802 raise ValueError, "too few point coordinates, must be 3"
803 aCriterion.ThresholdStr = " ".join( [str(c) for c in aThreshold[:3]] )
804 elif isinstance(aThreshold, str):
805 if aThreshold.isdigit():
806 aCriterion.Threshold = aThreshold # node id
808 aCriterion.ThresholdStr = aThreshold # hope that it's point coordinates
811 "The Threshold should either a VERTEX, or a node ID, "\
812 "or a list of point coordinates and not '%s'"%aThreshold
813 elif CritType == FT_ElemGeomType:
814 # Check the Threshold
816 aCriterion.Threshold = self.EnumToLong(aThreshold)
817 assert( aThreshold in SMESH.GeometryType._items )
819 if isinstance(aThreshold, int):
820 aCriterion.Threshold = aThreshold
822 raise TypeError, "The Threshold should be an integer or SMESH.GeometryType."
825 elif CritType == FT_EntityType:
826 # Check the Threshold
828 aCriterion.Threshold = self.EnumToLong(aThreshold)
829 assert( aThreshold in SMESH.EntityType._items )
831 if isinstance(aThreshold, int):
832 aCriterion.Threshold = aThreshold
834 raise TypeError, "The Threshold should be an integer or SMESH.EntityType."
838 elif CritType == FT_GroupColor:
839 # Check the Threshold
841 aCriterion.ThresholdStr = self.ColorToString(aThreshold)
843 raise TypeError, "The threshold value should be of SALOMEDS.Color type"
845 elif CritType in [FT_FreeBorders, FT_FreeEdges, FT_FreeNodes, FT_FreeFaces,
846 FT_LinearOrQuadratic, FT_BadOrientedVolume,
847 FT_BareBorderFace, FT_BareBorderVolume,
848 FT_OverConstrainedFace, FT_OverConstrainedVolume,
849 FT_EqualNodes,FT_EqualEdges,FT_EqualFaces,FT_EqualVolumes ]:
850 # At this point the Threshold is unnecessary
851 if aThreshold == FT_LogicalNOT:
852 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
853 elif aThreshold in [FT_LogicalAND, FT_LogicalOR]:
854 aCriterion.BinaryOp = aThreshold
858 aThreshold = float(aThreshold)
859 aCriterion.Threshold = aThreshold
861 raise TypeError, "The Threshold should be a number."
864 if Threshold == FT_LogicalNOT or UnaryOp == FT_LogicalNOT:
865 aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
867 if Threshold in [FT_LogicalAND, FT_LogicalOR]:
868 aCriterion.BinaryOp = self.EnumToLong(Threshold)
870 if UnaryOp in [FT_LogicalAND, FT_LogicalOR]:
871 aCriterion.BinaryOp = self.EnumToLong(UnaryOp)
873 if BinaryOp in [FT_LogicalAND, FT_LogicalOR]:
874 aCriterion.BinaryOp = self.EnumToLong(BinaryOp)
878 ## Creates a filter with the given parameters
879 # @param elementType the type of elements (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
880 # @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
881 # Type SMESH.FunctorType._items in the Python Console to see all values.
882 # Note that the items starting from FT_LessThan are not suitable for CritType.
883 # @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
884 # @param Threshold the threshold value (range of ids as string, shape, numeric)
885 # @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
886 # @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
887 # SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces and SMESH.FT_EqualNodes criteria
888 # @param mesh the mesh to initialize the filter with
889 # @return SMESH_Filter
891 # <a href="../tui_filters_page.html#tui_filters">Example of Filters usage</a>
892 # @ingroup l1_controls
893 def GetFilter(self,elementType,
894 CritType=FT_Undefined,
897 UnaryOp=FT_Undefined,
900 aCriterion = self.GetCriterion(elementType, CritType, Compare, Threshold, UnaryOp, FT_Undefined,Tolerance)
901 aFilterMgr = self.CreateFilterManager()
902 aFilter = aFilterMgr.CreateFilter()
904 aCriteria.append(aCriterion)
905 aFilter.SetCriteria(aCriteria)
907 if isinstance( mesh, Mesh ): aFilter.SetMesh( mesh.GetMesh() )
908 else : aFilter.SetMesh( mesh )
909 aFilterMgr.UnRegister()
912 ## Creates a filter from criteria
913 # @param criteria a list of criteria
914 # @param binOp binary operator used when binary operator of criteria is undefined
915 # @return SMESH_Filter
917 # <a href="../tui_filters_page.html#tui_filters">Example of Filters usage</a>
918 # @ingroup l1_controls
919 def GetFilterFromCriteria(self,criteria, binOp=SMESH.FT_LogicalAND):
920 for i in range( len( criteria ) - 1 ):
921 if criteria[i].BinaryOp == self.EnumToLong( SMESH.FT_Undefined ):
922 criteria[i].BinaryOp = self.EnumToLong( binOp )
923 aFilterMgr = self.CreateFilterManager()
924 aFilter = aFilterMgr.CreateFilter()
925 aFilter.SetCriteria(criteria)
926 aFilterMgr.UnRegister()
929 ## Creates a numerical functor by its type
930 # @param theCriterion functor type - an item of SMESH.FunctorType enumeration.
931 # Type SMESH.FunctorType._items in the Python Console to see all items.
932 # Note that not all items correspond to numerical functors.
933 # @return SMESH_NumericalFunctor
934 # @ingroup l1_controls
935 def GetFunctor(self,theCriterion):
936 if isinstance( theCriterion, SMESH._objref_NumericalFunctor ):
938 aFilterMgr = self.CreateFilterManager()
940 if theCriterion == FT_AspectRatio:
941 functor = aFilterMgr.CreateAspectRatio()
942 elif theCriterion == FT_AspectRatio3D:
943 functor = aFilterMgr.CreateAspectRatio3D()
944 elif theCriterion == FT_Warping:
945 functor = aFilterMgr.CreateWarping()
946 elif theCriterion == FT_MinimumAngle:
947 functor = aFilterMgr.CreateMinimumAngle()
948 elif theCriterion == FT_Taper:
949 functor = aFilterMgr.CreateTaper()
950 elif theCriterion == FT_Skew:
951 functor = aFilterMgr.CreateSkew()
952 elif theCriterion == FT_Area:
953 functor = aFilterMgr.CreateArea()
954 elif theCriterion == FT_Volume3D:
955 functor = aFilterMgr.CreateVolume3D()
956 elif theCriterion == FT_MaxElementLength2D:
957 functor = aFilterMgr.CreateMaxElementLength2D()
958 elif theCriterion == FT_MaxElementLength3D:
959 functor = aFilterMgr.CreateMaxElementLength3D()
960 elif theCriterion == FT_MultiConnection:
961 functor = aFilterMgr.CreateMultiConnection()
962 elif theCriterion == FT_MultiConnection2D:
963 functor = aFilterMgr.CreateMultiConnection2D()
964 elif theCriterion == FT_Length:
965 functor = aFilterMgr.CreateLength()
966 elif theCriterion == FT_Length2D:
967 functor = aFilterMgr.CreateLength2D()
969 print "Error: given parameter is not numerical functor type."
970 aFilterMgr.UnRegister()
973 ## Creates hypothesis
974 # @param theHType mesh hypothesis type (string)
975 # @param theLibName mesh plug-in library name
976 # @return created hypothesis instance
977 def CreateHypothesis(self, theHType, theLibName="libStdMeshersEngine.so"):
978 hyp = SMESH._objref_SMESH_Gen.CreateHypothesis(self, theHType, theLibName )
980 if isinstance( hyp, SMESH._objref_SMESH_Algo ):
983 # wrap hypothesis methods
984 #print "HYPOTHESIS", theHType
985 for meth_name in dir( hyp.__class__ ):
986 if not meth_name.startswith("Get") and \
987 not meth_name in dir ( SMESH._objref_SMESH_Hypothesis ):
988 method = getattr ( hyp.__class__, meth_name )
990 setattr( hyp, meth_name, hypMethodWrapper( hyp, method ))
994 ## Gets the mesh statistic
995 # @return dictionary "element type" - "count of elements"
996 # @ingroup l1_meshinfo
997 def GetMeshInfo(self, obj):
998 if isinstance( obj, Mesh ):
1001 if hasattr(obj, "GetMeshInfo"):
1002 values = obj.GetMeshInfo()
1003 for i in range(SMESH.Entity_Last._v):
1004 if i < len(values): d[SMESH.EntityType._item(i)]=values[i]
1008 ## Get minimum distance between two objects
1010 # If @a src2 is None, and @a id2 = 0, distance from @a src1 / @a id1 to the origin is computed.
1011 # If @a src2 is None, and @a id2 != 0, it is assumed that both @a id1 and @a id2 belong to @a src1.
1013 # @param src1 first source object
1014 # @param src2 second source object
1015 # @param id1 node/element id from the first source
1016 # @param id2 node/element id from the second (or first) source
1017 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
1018 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
1019 # @return minimum distance value
1020 # @sa GetMinDistance()
1021 # @ingroup l1_measurements
1022 def MinDistance(self, src1, src2=None, id1=0, id2=0, isElem1=False, isElem2=False):
1023 result = self.GetMinDistance(src1, src2, id1, id2, isElem1, isElem2)
1027 result = result.value
1030 ## Get measure structure specifying minimum distance data between two objects
1032 # If @a src2 is None, and @a id2 = 0, distance from @a src1 / @a id1 to the origin is computed.
1033 # If @a src2 is None, and @a id2 != 0, it is assumed that both @a id1 and @a id2 belong to @a src1.
1035 # @param src1 first source object
1036 # @param src2 second source object
1037 # @param id1 node/element id from the first source
1038 # @param id2 node/element id from the second (or first) source
1039 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
1040 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
1041 # @return Measure structure or None if input data is invalid
1043 # @ingroup l1_measurements
1044 def GetMinDistance(self, src1, src2=None, id1=0, id2=0, isElem1=False, isElem2=False):
1045 if isinstance(src1, Mesh): src1 = src1.mesh
1046 if isinstance(src2, Mesh): src2 = src2.mesh
1047 if src2 is None and id2 != 0: src2 = src1
1048 if not hasattr(src1, "_narrow"): return None
1049 src1 = src1._narrow(SMESH.SMESH_IDSource)
1050 if not src1: return None
1051 unRegister = genObjUnRegister()
1054 e = m.GetMeshEditor()
1056 src1 = e.MakeIDSource([id1], SMESH.FACE)
1058 src1 = e.MakeIDSource([id1], SMESH.NODE)
1059 unRegister.set( src1 )
1061 if hasattr(src2, "_narrow"):
1062 src2 = src2._narrow(SMESH.SMESH_IDSource)
1063 if src2 and id2 != 0:
1065 e = m.GetMeshEditor()
1067 src2 = e.MakeIDSource([id2], SMESH.FACE)
1069 src2 = e.MakeIDSource([id2], SMESH.NODE)
1070 unRegister.set( src2 )
1073 aMeasurements = self.CreateMeasurements()
1074 unRegister.set( aMeasurements )
1075 result = aMeasurements.MinDistance(src1, src2)
1078 ## Get bounding box of the specified object(s)
1079 # @param objects single source object or list of source objects
1080 # @return tuple of six values (minX, minY, minZ, maxX, maxY, maxZ)
1081 # @sa GetBoundingBox()
1082 # @ingroup l1_measurements
1083 def BoundingBox(self, objects):
1084 result = self.GetBoundingBox(objects)
1088 result = (result.minX, result.minY, result.minZ, result.maxX, result.maxY, result.maxZ)
1091 ## Get measure structure specifying bounding box data of the specified object(s)
1092 # @param objects single source object or list of source objects
1093 # @return Measure structure
1095 # @ingroup l1_measurements
1096 def GetBoundingBox(self, objects):
1097 if isinstance(objects, tuple):
1098 objects = list(objects)
1099 if not isinstance(objects, list):
1103 if isinstance(o, Mesh):
1104 srclist.append(o.mesh)
1105 elif hasattr(o, "_narrow"):
1106 src = o._narrow(SMESH.SMESH_IDSource)
1107 if src: srclist.append(src)
1110 aMeasurements = self.CreateMeasurements()
1111 result = aMeasurements.BoundingBox(srclist)
1112 aMeasurements.UnRegister()
1115 ## Get sum of lengths of all 1D elements in the mesh object.
1116 # @param obj mesh, submesh or group
1117 # @return sum of lengths of all 1D elements
1118 # @ingroup l1_measurements
1119 def GetLength(self, obj):
1120 if isinstance(obj, Mesh): obj = obj.mesh
1121 if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
1122 aMeasurements = self.CreateMeasurements()
1123 value = aMeasurements.Length(obj)
1124 aMeasurements.UnRegister()
1127 ## Get sum of areas of all 2D elements in the mesh object.
1128 # @param obj mesh, submesh or group
1129 # @return sum of areas of all 2D elements
1130 # @ingroup l1_measurements
1131 def GetArea(self, obj):
1132 if isinstance(obj, Mesh): obj = obj.mesh
1133 if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
1134 aMeasurements = self.CreateMeasurements()
1135 value = aMeasurements.Area(obj)
1136 aMeasurements.UnRegister()
1139 ## Get sum of volumes of all 3D elements in the mesh object.
1140 # @param obj mesh, submesh or group
1141 # @return sum of volumes of all 3D elements
1142 # @ingroup l1_measurements
1143 def GetVolume(self, obj):
1144 if isinstance(obj, Mesh): obj = obj.mesh
1145 if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
1146 aMeasurements = self.CreateMeasurements()
1147 value = aMeasurements.Volume(obj)
1148 aMeasurements.UnRegister()
1151 pass # end of class smeshBuilder
1154 #Registering the new proxy for SMESH_Gen
1155 omniORB.registerObjref(SMESH._objref_SMESH_Gen._NP_RepositoryId, smeshBuilder)
1157 ## Create a new smeshBuilder instance.The smeshBuilder class provides the Python
1158 # interface to create or load meshes.
1163 # salome.salome_init()
1164 # from salome.smesh import smeshBuilder
1165 # smesh = smeshBuilder.New(theStudy)
1167 # @param study SALOME study, generally obtained by salome.myStudy.
1168 # @param instance CORBA proxy of SMESH Engine. If None, the default Engine is used.
1169 # @return smeshBuilder instance
1171 def New( study, instance=None):
1173 Create a new smeshBuilder instance.The smeshBuilder class provides the Python
1174 interface to create or load meshes.
1178 salome.salome_init()
1179 from salome.smesh import smeshBuilder
1180 smesh = smeshBuilder.New(theStudy)
1183 study SALOME study, generally obtained by salome.myStudy.
1184 instance CORBA proxy of SMESH Engine. If None, the default Engine is used.
1186 smeshBuilder instance
1194 smeshInst = smeshBuilder()
1195 assert isinstance(smeshInst,smeshBuilder), "Smesh engine class is %s but should be smeshBuilder.smeshBuilder. Import salome.smesh.smeshBuilder before creating the instance."%smeshInst.__class__
1196 smeshInst.init_smesh(study)
1200 # Public class: Mesh
1201 # ==================
1203 ## This class allows defining and managing a mesh.
1204 # It has a set of methods to build a mesh on the given geometry, including the definition of sub-meshes.
1205 # It also has methods to define groups of mesh elements, to modify a mesh (by addition of
1206 # new nodes and elements and by changing the existing entities), to get information
1207 # about a mesh and to export a mesh into different formats.
1209 __metaclass__ = MeshMeta
1217 # Creates a mesh on the shape \a obj (or an empty mesh if \a obj is equal to 0) and
1218 # sets the GUI name of this mesh to \a name.
1219 # @param smeshpyD an instance of smeshBuilder class
1220 # @param geompyD an instance of geomBuilder class
1221 # @param obj Shape to be meshed or SMESH_Mesh object
1222 # @param name Study name of the mesh
1223 # @ingroup l2_construct
1224 def __init__(self, smeshpyD, geompyD, obj=0, name=0):
1225 self.smeshpyD=smeshpyD
1226 self.geompyD=geompyD
1231 if isinstance(obj, geomBuilder.GEOM._objref_GEOM_Object):
1234 # publish geom of mesh (issue 0021122)
1235 if not self.geom.GetStudyEntry() and smeshpyD.GetCurrentStudy():
1237 studyID = smeshpyD.GetCurrentStudy()._get_StudyId()
1238 if studyID != geompyD.myStudyId:
1239 geompyD.init_geom( smeshpyD.GetCurrentStudy())
1242 geo_name = name + " shape"
1244 geo_name = "%s_%s to mesh"%(self.geom.GetShapeType(), id(self.geom)%100)
1245 geompyD.addToStudy( self.geom, geo_name )
1246 self.SetMesh( self.smeshpyD.CreateMesh(self.geom) )
1248 elif isinstance(obj, SMESH._objref_SMESH_Mesh):
1251 self.SetMesh( self.smeshpyD.CreateEmptyMesh() )
1253 self.smeshpyD.SetName(self.mesh, name)
1255 self.smeshpyD.SetName(self.mesh, GetName(obj)) # + " mesh"
1258 self.geom = self.mesh.GetShapeToMesh()
1260 self.editor = self.mesh.GetMeshEditor()
1261 self.functors = [None] * SMESH.FT_Undefined._v
1263 # set self to algoCreator's
1264 for attrName in dir(self):
1265 attr = getattr( self, attrName )
1266 if isinstance( attr, algoCreator ):
1267 setattr( self, attrName, attr.copy( self ))
1272 ## Destructor. Clean-up resources
1275 #self.mesh.UnRegister()
1279 ## Initializes the Mesh object from an instance of SMESH_Mesh interface
1280 # @param theMesh a SMESH_Mesh object
1281 # @ingroup l2_construct
1282 def SetMesh(self, theMesh):
1283 # do not call Register() as this prevents mesh servant deletion at closing study
1284 #if self.mesh: self.mesh.UnRegister()
1287 #self.mesh.Register()
1288 self.geom = self.mesh.GetShapeToMesh()
1291 ## Returns the mesh, that is an instance of SMESH_Mesh interface
1292 # @return a SMESH_Mesh object
1293 # @ingroup l2_construct
1297 ## Gets the name of the mesh
1298 # @return the name of the mesh as a string
1299 # @ingroup l2_construct
1301 name = GetName(self.GetMesh())
1304 ## Sets a name to the mesh
1305 # @param name a new name of the mesh
1306 # @ingroup l2_construct
1307 def SetName(self, name):
1308 self.smeshpyD.SetName(self.GetMesh(), name)
1310 ## Gets the subMesh object associated to a \a theSubObject geometrical object.
1311 # The subMesh object gives access to the IDs of nodes and elements.
1312 # @param geom a geometrical object (shape)
1313 # @param name a name for the submesh
1314 # @return an object of type SMESH_SubMesh, representing a part of mesh, which lies on the given shape
1315 # @ingroup l2_submeshes
1316 def GetSubMesh(self, geom, name):
1317 AssureGeomPublished( self, geom, name )
1318 submesh = self.mesh.GetSubMesh( geom, name )
1321 ## Returns the shape associated to the mesh
1322 # @return a GEOM_Object
1323 # @ingroup l2_construct
1327 ## Associates the given shape to the mesh (entails the recreation of the mesh)
1328 # @param geom the shape to be meshed (GEOM_Object)
1329 # @ingroup l2_construct
1330 def SetShape(self, geom):
1331 self.mesh = self.smeshpyD.CreateMesh(geom)
1333 ## Loads mesh from the study after opening the study
1337 ## Returns true if the hypotheses are defined well
1338 # @param theSubObject a sub-shape of a mesh shape
1339 # @return True or False
1340 # @ingroup l2_construct
1341 def IsReadyToCompute(self, theSubObject):
1342 return self.smeshpyD.IsReadyToCompute(self.mesh, theSubObject)
1344 ## Returns errors of hypotheses definition.
1345 # The list of errors is empty if everything is OK.
1346 # @param theSubObject a sub-shape of a mesh shape
1347 # @return a list of errors
1348 # @ingroup l2_construct
1349 def GetAlgoState(self, theSubObject):
1350 return self.smeshpyD.GetAlgoState(self.mesh, theSubObject)
1352 ## Returns a geometrical object on which the given element was built.
1353 # The returned geometrical object, if not nil, is either found in the
1354 # study or published by this method with the given name
1355 # @param theElementID the id of the mesh element
1356 # @param theGeomName the user-defined name of the geometrical object
1357 # @return GEOM::GEOM_Object instance
1358 # @ingroup l2_construct
1359 def GetGeometryByMeshElement(self, theElementID, theGeomName):
1360 return self.smeshpyD.GetGeometryByMeshElement( self.mesh, theElementID, theGeomName )
1362 ## Returns the mesh dimension depending on the dimension of the underlying shape
1363 # or, if the mesh is not based on any shape, basing on deimension of elements
1364 # @return mesh dimension as an integer value [0,3]
1365 # @ingroup l1_auxiliary
1366 def MeshDimension(self):
1367 if self.mesh.HasShapeToMesh():
1368 shells = self.geompyD.SubShapeAllIDs( self.geom, self.geompyD.ShapeType["SOLID"] )
1369 if len( shells ) > 0 :
1371 elif self.geompyD.NumberOfFaces( self.geom ) > 0 :
1373 elif self.geompyD.NumberOfEdges( self.geom ) > 0 :
1378 if self.NbVolumes() > 0: return 3
1379 if self.NbFaces() > 0: return 2
1380 if self.NbEdges() > 0: return 1
1383 ## Evaluates size of prospective mesh on a shape
1384 # @return a list where i-th element is a number of elements of i-th SMESH.EntityType
1385 # To know predicted number of e.g. edges, inquire it this way
1386 # Evaluate()[ EnumToLong( Entity_Edge )]
1387 def Evaluate(self, geom=0):
1388 if geom == 0 or not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
1390 geom = self.mesh.GetShapeToMesh()
1393 return self.smeshpyD.Evaluate(self.mesh, geom)
1396 ## Computes the mesh and returns the status of the computation
1397 # @param geom geomtrical shape on which mesh data should be computed
1398 # @param discardModifs if True and the mesh has been edited since
1399 # a last total re-compute and that may prevent successful partial re-compute,
1400 # then the mesh is cleaned before Compute()
1401 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
1402 # @return True or False
1403 # @ingroup l2_construct
1404 def Compute(self, geom=0, discardModifs=False, refresh=False):
1405 if geom == 0 or not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
1407 geom = self.mesh.GetShapeToMesh()
1412 if discardModifs and self.mesh.HasModificationsToDiscard(): # issue 0020693
1414 ok = self.smeshpyD.Compute(self.mesh, geom)
1415 except SALOME.SALOME_Exception, ex:
1416 print "Mesh computation failed, exception caught:"
1417 print " ", ex.details.text
1420 print "Mesh computation failed, exception caught:"
1421 traceback.print_exc()
1425 # Treat compute errors
1426 computeErrors = self.smeshpyD.GetComputeErrors( self.mesh, geom )
1427 for err in computeErrors:
1428 shapeText = " on %s" % self.GetSubShapeName( err.subShapeID )
1430 stdErrors = ["OK", #COMPERR_OK
1431 "Invalid input mesh", #COMPERR_BAD_INPUT_MESH
1432 "std::exception", #COMPERR_STD_EXCEPTION
1433 "OCC exception", #COMPERR_OCC_EXCEPTION
1434 "..", #COMPERR_SLM_EXCEPTION
1435 "Unknown exception", #COMPERR_EXCEPTION
1436 "Memory allocation problem", #COMPERR_MEMORY_PB
1437 "Algorithm failed", #COMPERR_ALGO_FAILED
1438 "Unexpected geometry", #COMPERR_BAD_SHAPE
1439 "Warning", #COMPERR_WARNING
1440 "Computation cancelled",#COMPERR_CANCELED
1441 "No mesh on sub-shape"] #COMPERR_NO_MESH_ON_SHAPE
1443 if err.code < len(stdErrors): errText = stdErrors[err.code]
1445 errText = "code %s" % -err.code
1446 if errText: errText += ". "
1447 errText += err.comment
1448 if allReasons != "":allReasons += "\n"
1450 allReasons += '- "%s"%s - %s' %(err.algoName, shapeText, errText)
1452 allReasons += '- "%s" failed%s. Error: %s' %(err.algoName, shapeText, errText)
1456 errors = self.smeshpyD.GetAlgoState( self.mesh, geom )
1458 if err.isGlobalAlgo:
1466 reason = '%s %sD algorithm is missing' % (glob, dim)
1467 elif err.state == HYP_MISSING:
1468 reason = ('%s %sD algorithm "%s" misses %sD hypothesis'
1469 % (glob, dim, name, dim))
1470 elif err.state == HYP_NOTCONFORM:
1471 reason = 'Global "Not Conform mesh allowed" hypothesis is missing'
1472 elif err.state == HYP_BAD_PARAMETER:
1473 reason = ('Hypothesis of %s %sD algorithm "%s" has a bad parameter value'
1474 % ( glob, dim, name ))
1475 elif err.state == HYP_BAD_GEOMETRY:
1476 reason = ('%s %sD algorithm "%s" is assigned to mismatching'
1477 'geometry' % ( glob, dim, name ))
1478 elif err.state == HYP_HIDDEN_ALGO:
1479 reason = ('%s %sD algorithm "%s" is ignored due to presence of a %s '
1480 'algorithm of upper dimension generating %sD mesh'
1481 % ( glob, dim, name, glob, dim ))
1483 reason = ("For unknown reason. "
1484 "Developer, revise Mesh.Compute() implementation in smeshBuilder.py!")
1486 if allReasons != "":allReasons += "\n"
1487 allReasons += "- " + reason
1489 if not ok or allReasons != "":
1490 msg = '"' + GetName(self.mesh) + '"'
1491 if ok: msg += " has been computed with warnings"
1492 else: msg += " has not been computed"
1493 if allReasons != "": msg += ":"
1498 if salome.sg.hasDesktop() and self.mesh.GetStudyId() >= 0:
1499 smeshgui = salome.ImportComponentGUI("SMESH")
1500 smeshgui.Init(self.mesh.GetStudyId())
1501 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), ok, (self.NbNodes()==0) )
1502 if refresh: salome.sg.updateObjBrowser(1)
1506 ## Return a name of a sub-shape by its ID
1507 # @param subShapeID a unique ID of a sub-shape
1508 # @return a string describing the sub-shape; possible variants:
1509 # - "Face_12" (published sub-shape)
1510 # - FACE #3 (not published sub-shape)
1511 # - sub-shape #3 (invalid sub-shape ID)
1512 # - #3 (error in this function)
1513 def GetSubShapeName(self, subShapeID ):
1514 if not self.mesh.HasShapeToMesh():
1518 mainIOR = salome.orb.object_to_string( self.GetShape() )
1519 for sname in salome.myStudyManager.GetOpenStudies():
1520 s = salome.myStudyManager.GetStudyByName(sname)
1522 mainSO = s.FindObjectIOR(mainIOR)
1523 if not mainSO: continue
1525 shapeText = '"%s"' % mainSO.GetName()
1526 subIt = s.NewChildIterator(mainSO)
1528 subSO = subIt.Value()
1530 obj = subSO.GetObject()
1531 if not obj: continue
1532 go = obj._narrow( geomBuilder.GEOM._objref_GEOM_Object )
1535 ids = self.geompyD.GetSubShapeID( self.GetShape(), go )
1538 if ids == subShapeID:
1539 shapeText = '"%s"' % subSO.GetName()
1542 shape = self.geompyD.GetSubShape( self.GetShape(), [subShapeID])
1544 shapeText = '%s #%s' % (shape.GetShapeType(), subShapeID)
1546 shapeText = 'sub-shape #%s' % (subShapeID)
1548 shapeText = "#%s" % (subShapeID)
1551 ## Return a list of sub-shapes meshing of which failed, grouped into GEOM groups by
1552 # error of an algorithm
1553 # @param publish if @c True, the returned groups will be published in the study
1554 # @return a list of GEOM groups each named after a failed algorithm
1555 def GetFailedShapes(self, publish=False):
1558 computeErrors = self.smeshpyD.GetComputeErrors( self.mesh, self.GetShape() )
1559 for err in computeErrors:
1560 shape = self.geompyD.GetSubShape( self.GetShape(), [err.subShapeID])
1561 if not shape: continue
1562 if err.algoName in algo2shapes:
1563 algo2shapes[ err.algoName ].append( shape )
1565 algo2shapes[ err.algoName ] = [ shape ]
1569 for algoName, shapes in algo2shapes.items():
1571 groupType = self.smeshpyD.EnumToLong( shapes[0].GetShapeType() )
1572 otherTypeShapes = []
1574 group = self.geompyD.CreateGroup( self.geom, groupType )
1575 for shape in shapes:
1576 if shape.GetShapeType() == shapes[0].GetShapeType():
1577 sameTypeShapes.append( shape )
1579 otherTypeShapes.append( shape )
1580 self.geompyD.UnionList( group, sameTypeShapes )
1582 group.SetName( "%s %s" % ( algoName, shapes[0].GetShapeType() ))
1584 group.SetName( algoName )
1585 groups.append( group )
1586 shapes = otherTypeShapes
1589 for group in groups:
1590 self.geompyD.addToStudyInFather( self.geom, group, group.GetName() )
1593 ## Return sub-mesh objects list in meshing order
1594 # @return list of list of sub-meshes
1595 # @ingroup l2_construct
1596 def GetMeshOrder(self):
1597 return self.mesh.GetMeshOrder()
1599 ## Set order in which concurrent sub-meshes sould be meshed
1600 # @param submeshes list of sub-meshes
1601 # @ingroup l2_construct
1602 def SetMeshOrder(self, submeshes):
1603 return self.mesh.SetMeshOrder(submeshes)
1605 ## Removes all nodes and elements
1606 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
1607 # @ingroup l2_construct
1608 def Clear(self, refresh=False):
1610 if ( salome.sg.hasDesktop() and
1611 salome.myStudyManager.GetStudyByID( self.mesh.GetStudyId() ) ):
1612 smeshgui = salome.ImportComponentGUI("SMESH")
1613 smeshgui.Init(self.mesh.GetStudyId())
1614 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), False, True )
1615 if refresh: salome.sg.updateObjBrowser(1)
1617 ## Removes all nodes and elements of indicated shape
1618 # @param refresh if @c True, Object browser is automatically updated (when running in GUI)
1619 # @param geomId the ID of a sub-shape to remove elements on
1620 # @ingroup l2_construct
1621 def ClearSubMesh(self, geomId, refresh=False):
1622 self.mesh.ClearSubMesh(geomId)
1623 if salome.sg.hasDesktop():
1624 smeshgui = salome.ImportComponentGUI("SMESH")
1625 smeshgui.Init(self.mesh.GetStudyId())
1626 smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), False, True )
1627 if refresh: salome.sg.updateObjBrowser(1)
1629 ## Computes a tetrahedral mesh using AutomaticLength + MEFISTO + Tetrahedron
1630 # @param fineness [0.0,1.0] defines mesh fineness
1631 # @return True or False
1632 # @ingroup l3_algos_basic
1633 def AutomaticTetrahedralization(self, fineness=0):
1634 dim = self.MeshDimension()
1636 self.RemoveGlobalHypotheses()
1637 self.Segment().AutomaticLength(fineness)
1639 self.Triangle().LengthFromEdges()
1644 return self.Compute()
1646 ## Computes an hexahedral mesh using AutomaticLength + Quadrangle + Hexahedron
1647 # @param fineness [0.0, 1.0] defines mesh fineness
1648 # @return True or False
1649 # @ingroup l3_algos_basic
1650 def AutomaticHexahedralization(self, fineness=0):
1651 dim = self.MeshDimension()
1652 # assign the hypotheses
1653 self.RemoveGlobalHypotheses()
1654 self.Segment().AutomaticLength(fineness)
1661 return self.Compute()
1663 ## Assigns a hypothesis
1664 # @param hyp a hypothesis to assign
1665 # @param geom a subhape of mesh geometry
1666 # @return SMESH.Hypothesis_Status
1667 # @ingroup l2_hypotheses
1668 def AddHypothesis(self, hyp, geom=0):
1669 if isinstance( hyp, geomBuilder.GEOM._objref_GEOM_Object ):
1670 hyp, geom = geom, hyp
1671 if isinstance( hyp, Mesh_Algorithm ):
1672 hyp = hyp.GetAlgorithm()
1677 geom = self.mesh.GetShapeToMesh()
1680 if self.mesh.HasShapeToMesh():
1681 hyp_type = hyp.GetName()
1682 lib_name = hyp.GetLibName()
1683 # checkAll = ( not geom.IsSame( self.mesh.GetShapeToMesh() ))
1684 # if checkAll and geom:
1685 # checkAll = geom.GetType() == 37
1687 isApplicable = self.smeshpyD.IsApplicable(hyp_type, lib_name, geom, checkAll)
1689 AssureGeomPublished( self, geom, "shape for %s" % hyp.GetName())
1690 status = self.mesh.AddHypothesis(geom, hyp)
1692 status = HYP_BAD_GEOMETRY,""
1693 hyp_name = GetName( hyp )
1696 geom_name = geom.GetName()
1697 isAlgo = hyp._narrow( SMESH_Algo )
1698 TreatHypoStatus( status, hyp_name, geom_name, isAlgo, self )
1701 ## Return True if an algorithm of hypothesis is assigned to a given shape
1702 # @param hyp a hypothesis to check
1703 # @param geom a subhape of mesh geometry
1704 # @return True of False
1705 # @ingroup l2_hypotheses
1706 def IsUsedHypothesis(self, hyp, geom):
1707 if not hyp: # or not geom
1709 if isinstance( hyp, Mesh_Algorithm ):
1710 hyp = hyp.GetAlgorithm()
1712 hyps = self.GetHypothesisList(geom)
1714 if h.GetId() == hyp.GetId():
1718 ## Unassigns a hypothesis
1719 # @param hyp a hypothesis to unassign
1720 # @param geom a sub-shape of mesh geometry
1721 # @return SMESH.Hypothesis_Status
1722 # @ingroup l2_hypotheses
1723 def RemoveHypothesis(self, hyp, geom=0):
1726 if isinstance( hyp, Mesh_Algorithm ):
1727 hyp = hyp.GetAlgorithm()
1733 if self.IsUsedHypothesis( hyp, shape ):
1734 return self.mesh.RemoveHypothesis( shape, hyp )
1735 hypName = GetName( hyp )
1736 geoName = GetName( shape )
1737 print "WARNING: RemoveHypothesis() failed as '%s' is not assigned to '%s' shape" % ( hypName, geoName )
1740 ## Gets the list of hypotheses added on a geometry
1741 # @param geom a sub-shape of mesh geometry
1742 # @return the sequence of SMESH_Hypothesis
1743 # @ingroup l2_hypotheses
1744 def GetHypothesisList(self, geom):
1745 return self.mesh.GetHypothesisList( geom )
1747 ## Removes all global hypotheses
1748 # @ingroup l2_hypotheses
1749 def RemoveGlobalHypotheses(self):
1750 current_hyps = self.mesh.GetHypothesisList( self.geom )
1751 for hyp in current_hyps:
1752 self.mesh.RemoveHypothesis( self.geom, hyp )
1756 ## Exports the mesh in a file in MED format and chooses the \a version of MED format
1757 ## allowing to overwrite the file if it exists or add the exported data to its contents
1758 # @param f is the file name
1759 # @param auto_groups boolean parameter for creating/not creating
1760 # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
1761 # the typical use is auto_groups=false.
1762 # @param version MED format version(MED_V2_1 or MED_V2_2)
1763 # @param overwrite boolean parameter for overwriting/not overwriting the file
1764 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1765 # @param autoDimension: if @c True (default), a space dimension of a MED mesh can be either
1766 # - 1D if all mesh nodes lie on OX coordinate axis, or
1767 # - 2D if all mesh nodes lie on XOY coordinate plane, or
1768 # - 3D in the rest cases.
1769 # If @a autoDimension is @c False, the space dimension is always 3.
1770 # @param fields : list of GEOM fields defined on the shape to mesh.
1771 # @param geomAssocFields : each character of this string means a need to export a
1772 # corresponding field; correspondence between fields and characters is following:
1773 # - 'v' stands for _vertices_ field;
1774 # - 'e' stands for _edges_ field;
1775 # - 'f' stands for _faces_ field;
1776 # - 's' stands for _solids_ field.
1777 # @ingroup l2_impexp
1778 def ExportMED(self, f, auto_groups=0, version=MED_V2_2,
1779 overwrite=1, meshPart=None, autoDimension=True, fields=[], geomAssocFields=''):
1780 if meshPart or fields or geomAssocFields:
1781 unRegister = genObjUnRegister()
1782 if isinstance( meshPart, list ):
1783 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1784 unRegister.set( meshPart )
1785 self.mesh.ExportPartToMED( meshPart, f, auto_groups, version, overwrite, autoDimension,
1786 fields, geomAssocFields)
1788 self.mesh.ExportToMEDX(f, auto_groups, version, overwrite, autoDimension)
1790 ## Exports the mesh in a file in SAUV format
1791 # @param f is the file name
1792 # @param auto_groups boolean parameter for creating/not creating
1793 # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
1794 # the typical use is auto_groups=false.
1795 # @ingroup l2_impexp
1796 def ExportSAUV(self, f, auto_groups=0):
1797 self.mesh.ExportSAUV(f, auto_groups)
1799 ## Exports the mesh in a file in DAT format
1800 # @param f the file name
1801 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1802 # @ingroup l2_impexp
1803 def ExportDAT(self, f, meshPart=None):
1805 unRegister = genObjUnRegister()
1806 if isinstance( meshPart, list ):
1807 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1808 unRegister.set( meshPart )
1809 self.mesh.ExportPartToDAT( meshPart, f )
1811 self.mesh.ExportDAT(f)
1813 ## Exports the mesh in a file in UNV format
1814 # @param f the file name
1815 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1816 # @ingroup l2_impexp
1817 def ExportUNV(self, f, meshPart=None):
1819 unRegister = genObjUnRegister()
1820 if isinstance( meshPart, list ):
1821 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1822 unRegister.set( meshPart )
1823 self.mesh.ExportPartToUNV( meshPart, f )
1825 self.mesh.ExportUNV(f)
1827 ## Export the mesh in a file in STL format
1828 # @param f the file name
1829 # @param ascii defines the file encoding
1830 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1831 # @ingroup l2_impexp
1832 def ExportSTL(self, f, ascii=1, meshPart=None):
1834 unRegister = genObjUnRegister()
1835 if isinstance( meshPart, list ):
1836 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1837 unRegister.set( meshPart )
1838 self.mesh.ExportPartToSTL( meshPart, f, ascii )
1840 self.mesh.ExportSTL(f, ascii)
1842 ## Exports the mesh in a file in CGNS format
1843 # @param f is the file name
1844 # @param overwrite boolean parameter for overwriting/not overwriting the file
1845 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1846 # @ingroup l2_impexp
1847 def ExportCGNS(self, f, overwrite=1, meshPart=None):
1848 unRegister = genObjUnRegister()
1849 if isinstance( meshPart, list ):
1850 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1851 unRegister.set( meshPart )
1852 if isinstance( meshPart, Mesh ):
1853 meshPart = meshPart.mesh
1855 meshPart = self.mesh
1856 self.mesh.ExportCGNS(meshPart, f, overwrite)
1858 ## Exports the mesh in a file in GMF format.
1859 # GMF files must have .mesh extension for the ASCII format and .meshb for
1860 # the bynary format. Other extensions are not allowed.
1861 # @param f is the file name
1862 # @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
1863 # @ingroup l2_impexp
1864 def ExportGMF(self, f, meshPart=None):
1865 unRegister = genObjUnRegister()
1866 if isinstance( meshPart, list ):
1867 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
1868 unRegister.set( meshPart )
1869 if isinstance( meshPart, Mesh ):
1870 meshPart = meshPart.mesh
1872 meshPart = self.mesh
1873 self.mesh.ExportGMF(meshPart, f, True)
1875 ## Deprecated, used only for compatibility! Please, use ExportToMEDX() method instead.
1876 # Exports the mesh in a file in MED format and chooses the \a version of MED format
1877 ## allowing to overwrite the file if it exists or add the exported data to its contents
1878 # @param f the file name
1879 # @param version values are SMESH.MED_V2_1, SMESH.MED_V2_2
1880 # @param opt boolean parameter for creating/not creating
1881 # the groups Group_On_All_Nodes, Group_On_All_Faces, ...
1882 # @param overwrite boolean parameter for overwriting/not overwriting the file
1883 # @param autoDimension: if @c True (default), a space dimension of a MED mesh can be either
1884 # - 1D if all mesh nodes lie on OX coordinate axis, or
1885 # - 2D if all mesh nodes lie on XOY coordinate plane, or
1886 # - 3D in the rest cases.
1888 # If @a autoDimension is @c False, the space dimension is always 3.
1889 # @ingroup l2_impexp
1890 def ExportToMED(self, f, version, opt=0, overwrite=1, autoDimension=True):
1891 self.mesh.ExportToMEDX(f, opt, version, overwrite, autoDimension)
1893 # Operations with groups:
1894 # ----------------------
1896 ## Creates an empty mesh group
1897 # @param elementType the type of elements in the group; either of
1898 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
1899 # @param name the name of the mesh group
1900 # @return SMESH_Group
1901 # @ingroup l2_grps_create
1902 def CreateEmptyGroup(self, elementType, name):
1903 return self.mesh.CreateGroup(elementType, name)
1905 ## Creates a mesh group based on the geometric object \a grp
1906 # and gives a \a name, \n if this parameter is not defined
1907 # the name is the same as the geometric group name \n
1908 # Note: Works like GroupOnGeom().
1909 # @param grp a geometric group, a vertex, an edge, a face or a solid
1910 # @param name the name of the mesh group
1911 # @return SMESH_GroupOnGeom
1912 # @ingroup l2_grps_create
1913 def Group(self, grp, name=""):
1914 return self.GroupOnGeom(grp, name)
1916 ## Creates a mesh group based on the geometrical object \a grp
1917 # and gives a \a name, \n if this parameter is not defined
1918 # the name is the same as the geometrical group name
1919 # @param grp a geometrical group, a vertex, an edge, a face or a solid
1920 # @param name the name of the mesh group
1921 # @param typ the type of elements in the group; either of
1922 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME). If not set, it is
1923 # automatically detected by the type of the geometry
1924 # @return SMESH_GroupOnGeom
1925 # @ingroup l2_grps_create
1926 def GroupOnGeom(self, grp, name="", typ=None):
1927 AssureGeomPublished( self, grp, name )
1929 name = grp.GetName()
1931 typ = self._groupTypeFromShape( grp )
1932 return self.mesh.CreateGroupFromGEOM(typ, name, grp)
1934 ## Pivate method to get a type of group on geometry
1935 def _groupTypeFromShape( self, shape ):
1936 tgeo = str(shape.GetShapeType())
1937 if tgeo == "VERTEX":
1939 elif tgeo == "EDGE":
1941 elif tgeo == "FACE" or tgeo == "SHELL":
1943 elif tgeo == "SOLID" or tgeo == "COMPSOLID":
1945 elif tgeo == "COMPOUND":
1946 sub = self.geompyD.SubShapeAll( shape, self.geompyD.ShapeType["SHAPE"])
1948 raise ValueError,"_groupTypeFromShape(): empty geometric group or compound '%s'" % GetName(shape)
1949 return self._groupTypeFromShape( sub[0] )
1952 "_groupTypeFromShape(): invalid geometry '%s'" % GetName(shape)
1955 ## Creates a mesh group with given \a name based on the \a filter which
1956 ## is a special type of group dynamically updating it's contents during
1957 ## mesh modification
1958 # @param typ the type of elements in the group; either of
1959 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
1960 # @param name the name of the mesh group
1961 # @param filter the filter defining group contents
1962 # @return SMESH_GroupOnFilter
1963 # @ingroup l2_grps_create
1964 def GroupOnFilter(self, typ, name, filter):
1965 return self.mesh.CreateGroupFromFilter(typ, name, filter)
1967 ## Creates a mesh group by the given ids of elements
1968 # @param groupName the name of the mesh group
1969 # @param elementType the type of elements in the group; either of
1970 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
1971 # @param elemIDs the list of ids
1972 # @return SMESH_Group
1973 # @ingroup l2_grps_create
1974 def MakeGroupByIds(self, groupName, elementType, elemIDs):
1975 group = self.mesh.CreateGroup(elementType, groupName)
1976 if hasattr( elemIDs, "GetIDs" ):
1977 if hasattr( elemIDs, "SetMesh" ):
1978 elemIDs.SetMesh( self.GetMesh() )
1979 group.AddFrom( elemIDs )
1984 ## Creates a mesh group by the given conditions
1985 # @param groupName the name of the mesh group
1986 # @param elementType the type of elements(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
1987 # @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
1988 # Type SMESH.FunctorType._items in the Python Console to see all values.
1989 # Note that the items starting from FT_LessThan are not suitable for CritType.
1990 # @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
1991 # @param Threshold the threshold value (range of ids as string, shape, numeric)
1992 # @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
1993 # @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
1994 # SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces criteria
1995 # @return SMESH_GroupOnFilter
1996 # @ingroup l2_grps_create
2000 CritType=FT_Undefined,
2003 UnaryOp=FT_Undefined,
2005 aCriterion = self.smeshpyD.GetCriterion(elementType, CritType, Compare, Threshold, UnaryOp, FT_Undefined,Tolerance)
2006 group = self.MakeGroupByCriterion(groupName, aCriterion)
2009 ## Creates a mesh group by the given criterion
2010 # @param groupName the name of the mesh group
2011 # @param Criterion the instance of Criterion class
2012 # @return SMESH_GroupOnFilter
2013 # @ingroup l2_grps_create
2014 def MakeGroupByCriterion(self, groupName, Criterion):
2015 return self.MakeGroupByCriteria( groupName, [Criterion] )
2017 ## Creates a mesh group by the given criteria (list of criteria)
2018 # @param groupName the name of the mesh group
2019 # @param theCriteria the list of criteria
2020 # @param binOp binary operator used when binary operator of criteria is undefined
2021 # @return SMESH_GroupOnFilter
2022 # @ingroup l2_grps_create
2023 def MakeGroupByCriteria(self, groupName, theCriteria, binOp=SMESH.FT_LogicalAND):
2024 aFilter = self.smeshpyD.GetFilterFromCriteria( theCriteria, binOp )
2025 group = self.MakeGroupByFilter(groupName, aFilter)
2028 ## Creates a mesh group by the given filter
2029 # @param groupName the name of the mesh group
2030 # @param theFilter the instance of Filter class
2031 # @return SMESH_GroupOnFilter
2032 # @ingroup l2_grps_create
2033 def MakeGroupByFilter(self, groupName, theFilter):
2034 #group = self.CreateEmptyGroup(theFilter.GetElementType(), groupName)
2035 #theFilter.SetMesh( self.mesh )
2036 #group.AddFrom( theFilter )
2037 group = self.GroupOnFilter( theFilter.GetElementType(), groupName, theFilter )
2041 # @ingroup l2_grps_delete
2042 def RemoveGroup(self, group):
2043 self.mesh.RemoveGroup(group)
2045 ## Removes a group with its contents
2046 # @ingroup l2_grps_delete
2047 def RemoveGroupWithContents(self, group):
2048 self.mesh.RemoveGroupWithContents(group)
2050 ## Gets the list of groups existing in the mesh in the order
2051 # of creation (starting from the oldest one)
2052 # @param elemType type of elements the groups contain; either of
2053 # (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME);
2054 # by default groups of elements of all types are returned
2055 # @return a sequence of SMESH_GroupBase
2056 # @ingroup l2_grps_create
2057 def GetGroups(self, elemType = SMESH.ALL):
2058 groups = self.mesh.GetGroups()
2059 if elemType == SMESH.ALL:
2063 if g.GetType() == elemType:
2064 typedGroups.append( g )
2069 ## Gets the number of groups existing in the mesh
2070 # @return the quantity of groups as an integer value
2071 # @ingroup l2_grps_create
2073 return self.mesh.NbGroups()
2075 ## Gets the list of names of groups existing in the mesh
2076 # @return list of strings
2077 # @ingroup l2_grps_create
2078 def GetGroupNames(self):
2079 groups = self.GetGroups()
2081 for group in groups:
2082 names.append(group.GetName())
2085 ## Finds groups by name and type
2086 # @param name name of the group of interest
2087 # @param elemType type of elements the groups contain; either of
2088 # (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME);
2089 # by default one group of any type of elements is returned
2090 # if elemType == SMESH.ALL then all groups of any type are returned
2091 # @return a list of SMESH_GroupBase's
2092 # @ingroup l2_grps_create
2093 def GetGroupByName(self, name, elemType = None):
2095 for group in self.GetGroups():
2096 if group.GetName() == name:
2097 if elemType is None:
2099 if ( elemType == SMESH.ALL or
2100 group.GetType() == elemType ):
2101 groups.append( group )
2104 ## Produces a union of two groups.
2105 # A new group is created. All mesh elements that are
2106 # present in the initial groups are added to the new one
2107 # @return an instance of SMESH_Group
2108 # @ingroup l2_grps_operon
2109 def UnionGroups(self, group1, group2, name):
2110 return self.mesh.UnionGroups(group1, group2, name)
2112 ## Produces a union list of groups.
2113 # New group is created. All mesh elements that are present in
2114 # initial groups are added to the new one
2115 # @return an instance of SMESH_Group
2116 # @ingroup l2_grps_operon
2117 def UnionListOfGroups(self, groups, name):
2118 return self.mesh.UnionListOfGroups(groups, name)
2120 ## Prodices an intersection of two groups.
2121 # A new group is created. All mesh elements that are common
2122 # for the two initial groups are added to the new one.
2123 # @return an instance of SMESH_Group
2124 # @ingroup l2_grps_operon
2125 def IntersectGroups(self, group1, group2, name):
2126 return self.mesh.IntersectGroups(group1, group2, name)
2128 ## Produces an intersection of groups.
2129 # New group is created. All mesh elements that are present in all
2130 # initial groups simultaneously are added to the new one
2131 # @return an instance of SMESH_Group
2132 # @ingroup l2_grps_operon
2133 def IntersectListOfGroups(self, groups, name):
2134 return self.mesh.IntersectListOfGroups(groups, name)
2136 ## Produces a cut of two groups.
2137 # A new group is created. All mesh elements that are present in
2138 # the main group but are not present in the tool group are added to the new one
2139 # @return an instance of SMESH_Group
2140 # @ingroup l2_grps_operon
2141 def CutGroups(self, main_group, tool_group, name):
2142 return self.mesh.CutGroups(main_group, tool_group, name)
2144 ## Produces a cut of groups.
2145 # A new group is created. All mesh elements that are present in main groups
2146 # but do not present in tool groups are added to the new one
2147 # @return an instance of SMESH_Group
2148 # @ingroup l2_grps_operon
2149 def CutListOfGroups(self, main_groups, tool_groups, name):
2150 return self.mesh.CutListOfGroups(main_groups, tool_groups, name)
2153 # Create a standalone group of entities basing on nodes of other groups.
2154 # \param groups - list of groups, sub-meshes or filters, of any type.
2155 # \param elemType - a type of elements to include to the new group; either of
2156 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
2157 # \param name - a name of the new group.
2158 # \param nbCommonNodes - a criterion of inclusion of an element to the new group
2159 # basing on number of element nodes common with reference \a groups.
2160 # Meaning of possible values are:
2161 # - SMESH.ALL_NODES - include if all nodes are common,
2162 # - SMESH.MAIN - include if all corner nodes are common (meaningful for a quadratic mesh),
2163 # - SMESH.AT_LEAST_ONE - include if one or more node is common,
2164 # - SMEHS.MAJORITY - include if half of nodes or more are common.
2165 # \param underlyingOnly - if \c True (default), an element is included to the
2166 # new group provided that it is based on nodes of one element of \a groups.
2167 # @return an instance of SMESH_Group
2168 # @ingroup l2_grps_operon
2169 def CreateDimGroup(self, groups, elemType, name,
2170 nbCommonNodes = SMESH.ALL_NODES, underlyingOnly = True):
2171 if isinstance( groups, SMESH._objref_SMESH_IDSource ):
2173 return self.mesh.CreateDimGroup(groups, elemType, name, nbCommonNodes, underlyingOnly)
2176 ## Convert group on geom into standalone group
2177 # @ingroup l2_grps_delete
2178 def ConvertToStandalone(self, group):
2179 return self.mesh.ConvertToStandalone(group)
2181 # Get some info about mesh:
2182 # ------------------------
2184 ## Returns the log of nodes and elements added or removed
2185 # since the previous clear of the log.
2186 # @param clearAfterGet log is emptied after Get (safe if concurrents access)
2187 # @return list of log_block structures:
2192 # @ingroup l1_auxiliary
2193 def GetLog(self, clearAfterGet):
2194 return self.mesh.GetLog(clearAfterGet)
2196 ## Clears the log of nodes and elements added or removed since the previous
2197 # clear. Must be used immediately after GetLog if clearAfterGet is false.
2198 # @ingroup l1_auxiliary
2200 self.mesh.ClearLog()
2202 ## Toggles auto color mode on the object.
2203 # @param theAutoColor the flag which toggles auto color mode.
2204 # @ingroup l1_auxiliary
2205 def SetAutoColor(self, theAutoColor):
2206 self.mesh.SetAutoColor(theAutoColor)
2208 ## Gets flag of object auto color mode.
2209 # @return True or False
2210 # @ingroup l1_auxiliary
2211 def GetAutoColor(self):
2212 return self.mesh.GetAutoColor()
2214 ## Gets the internal ID
2215 # @return integer value, which is the internal Id of the mesh
2216 # @ingroup l1_auxiliary
2218 return self.mesh.GetId()
2221 # @return integer value, which is the study Id of the mesh
2222 # @ingroup l1_auxiliary
2223 def GetStudyId(self):
2224 return self.mesh.GetStudyId()
2226 ## Checks the group names for duplications.
2227 # Consider the maximum group name length stored in MED file.
2228 # @return True or False
2229 # @ingroup l1_auxiliary
2230 def HasDuplicatedGroupNamesMED(self):
2231 return self.mesh.HasDuplicatedGroupNamesMED()
2233 ## Obtains the mesh editor tool
2234 # @return an instance of SMESH_MeshEditor
2235 # @ingroup l1_modifying
2236 def GetMeshEditor(self):
2239 ## Wrap a list of IDs of elements or nodes into SMESH_IDSource which
2240 # can be passed as argument to a method accepting mesh, group or sub-mesh
2241 # @param ids list of IDs
2242 # @param elemType type of elements; this parameter is used to distinguish
2243 # IDs of nodes from IDs of elements; by default ids are treated as
2244 # IDs of elements; use SMESH.NODE if ids are IDs of nodes.
2245 # @return an instance of SMESH_IDSource
2246 # @warning call UnRegister() for the returned object as soon as it is no more useful:
2247 # idSrc = mesh.GetIDSource( [1,3,5], SMESH.NODE )
2248 # mesh.DoSomething( idSrc )
2249 # idSrc.UnRegister()
2250 # @ingroup l1_auxiliary
2251 def GetIDSource(self, ids, elemType = SMESH.ALL):
2252 return self.editor.MakeIDSource(ids, elemType)
2255 # Get informations about mesh contents:
2256 # ------------------------------------
2258 ## Gets the mesh stattistic
2259 # @return dictionary type element - count of elements
2260 # @ingroup l1_meshinfo
2261 def GetMeshInfo(self, obj = None):
2262 if not obj: obj = self.mesh
2263 return self.smeshpyD.GetMeshInfo(obj)
2265 ## Returns the number of nodes in the mesh
2266 # @return an integer value
2267 # @ingroup l1_meshinfo
2269 return self.mesh.NbNodes()
2271 ## Returns the number of elements in the mesh
2272 # @return an integer value
2273 # @ingroup l1_meshinfo
2274 def NbElements(self):
2275 return self.mesh.NbElements()
2277 ## Returns the number of 0d elements in the mesh
2278 # @return an integer value
2279 # @ingroup l1_meshinfo
2280 def Nb0DElements(self):
2281 return self.mesh.Nb0DElements()
2283 ## Returns the number of ball discrete elements in the mesh
2284 # @return an integer value
2285 # @ingroup l1_meshinfo
2287 return self.mesh.NbBalls()
2289 ## Returns the number of edges in the mesh
2290 # @return an integer value
2291 # @ingroup l1_meshinfo
2293 return self.mesh.NbEdges()
2295 ## Returns the number of edges with the given order in the mesh
2296 # @param elementOrder the order of elements:
2297 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2298 # @return an integer value
2299 # @ingroup l1_meshinfo
2300 def NbEdgesOfOrder(self, elementOrder):
2301 return self.mesh.NbEdgesOfOrder(elementOrder)
2303 ## Returns the number of faces in the mesh
2304 # @return an integer value
2305 # @ingroup l1_meshinfo
2307 return self.mesh.NbFaces()
2309 ## Returns the number of faces with the given order in the mesh
2310 # @param elementOrder the order of elements:
2311 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2312 # @return an integer value
2313 # @ingroup l1_meshinfo
2314 def NbFacesOfOrder(self, elementOrder):
2315 return self.mesh.NbFacesOfOrder(elementOrder)
2317 ## Returns the number of triangles in the mesh
2318 # @return an integer value
2319 # @ingroup l1_meshinfo
2320 def NbTriangles(self):
2321 return self.mesh.NbTriangles()
2323 ## Returns the number of triangles with the given order in the mesh
2324 # @param elementOrder is the order of elements:
2325 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2326 # @return an integer value
2327 # @ingroup l1_meshinfo
2328 def NbTrianglesOfOrder(self, elementOrder):
2329 return self.mesh.NbTrianglesOfOrder(elementOrder)
2331 ## Returns the number of biquadratic triangles in the mesh
2332 # @return an integer value
2333 # @ingroup l1_meshinfo
2334 def NbBiQuadTriangles(self):
2335 return self.mesh.NbBiQuadTriangles()
2337 ## Returns the number of quadrangles in the mesh
2338 # @return an integer value
2339 # @ingroup l1_meshinfo
2340 def NbQuadrangles(self):
2341 return self.mesh.NbQuadrangles()
2343 ## Returns the number of quadrangles with the given order in the mesh
2344 # @param elementOrder the order of elements:
2345 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2346 # @return an integer value
2347 # @ingroup l1_meshinfo
2348 def NbQuadranglesOfOrder(self, elementOrder):
2349 return self.mesh.NbQuadranglesOfOrder(elementOrder)
2351 ## Returns the number of biquadratic quadrangles in the mesh
2352 # @return an integer value
2353 # @ingroup l1_meshinfo
2354 def NbBiQuadQuadrangles(self):
2355 return self.mesh.NbBiQuadQuadrangles()
2357 ## Returns the number of polygons of given order in the mesh
2358 # @param elementOrder the order of elements:
2359 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2360 # @return an integer value
2361 # @ingroup l1_meshinfo
2362 def NbPolygons(self, elementOrder = SMESH.ORDER_ANY):
2363 return self.mesh.NbPolygonsOfOrder(elementOrder)
2365 ## Returns the number of volumes in the mesh
2366 # @return an integer value
2367 # @ingroup l1_meshinfo
2368 def NbVolumes(self):
2369 return self.mesh.NbVolumes()
2371 ## Returns the number of volumes with the given order in the mesh
2372 # @param elementOrder the order of elements:
2373 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2374 # @return an integer value
2375 # @ingroup l1_meshinfo
2376 def NbVolumesOfOrder(self, elementOrder):
2377 return self.mesh.NbVolumesOfOrder(elementOrder)
2379 ## Returns the number of tetrahedrons in the mesh
2380 # @return an integer value
2381 # @ingroup l1_meshinfo
2383 return self.mesh.NbTetras()
2385 ## Returns the number of tetrahedrons with the given order in the mesh
2386 # @param elementOrder the order of elements:
2387 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2388 # @return an integer value
2389 # @ingroup l1_meshinfo
2390 def NbTetrasOfOrder(self, elementOrder):
2391 return self.mesh.NbTetrasOfOrder(elementOrder)
2393 ## Returns the number of hexahedrons in the mesh
2394 # @return an integer value
2395 # @ingroup l1_meshinfo
2397 return self.mesh.NbHexas()
2399 ## Returns the number of hexahedrons with the given order in the mesh
2400 # @param elementOrder the order of elements:
2401 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2402 # @return an integer value
2403 # @ingroup l1_meshinfo
2404 def NbHexasOfOrder(self, elementOrder):
2405 return self.mesh.NbHexasOfOrder(elementOrder)
2407 ## Returns the number of triquadratic hexahedrons in the mesh
2408 # @return an integer value
2409 # @ingroup l1_meshinfo
2410 def NbTriQuadraticHexas(self):
2411 return self.mesh.NbTriQuadraticHexas()
2413 ## Returns the number of pyramids in the mesh
2414 # @return an integer value
2415 # @ingroup l1_meshinfo
2416 def NbPyramids(self):
2417 return self.mesh.NbPyramids()
2419 ## Returns the number of pyramids with the given order in the mesh
2420 # @param elementOrder the order of elements:
2421 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2422 # @return an integer value
2423 # @ingroup l1_meshinfo
2424 def NbPyramidsOfOrder(self, elementOrder):
2425 return self.mesh.NbPyramidsOfOrder(elementOrder)
2427 ## Returns the number of prisms in the mesh
2428 # @return an integer value
2429 # @ingroup l1_meshinfo
2431 return self.mesh.NbPrisms()
2433 ## Returns the number of prisms with the given order in the mesh
2434 # @param elementOrder the order of elements:
2435 # SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
2436 # @return an integer value
2437 # @ingroup l1_meshinfo
2438 def NbPrismsOfOrder(self, elementOrder):
2439 return self.mesh.NbPrismsOfOrder(elementOrder)
2441 ## Returns the number of hexagonal prisms in the mesh
2442 # @return an integer value
2443 # @ingroup l1_meshinfo
2444 def NbHexagonalPrisms(self):
2445 return self.mesh.NbHexagonalPrisms()
2447 ## Returns the number of polyhedrons in the mesh
2448 # @return an integer value
2449 # @ingroup l1_meshinfo
2450 def NbPolyhedrons(self):
2451 return self.mesh.NbPolyhedrons()
2453 ## Returns the number of submeshes in the mesh
2454 # @return an integer value
2455 # @ingroup l1_meshinfo
2456 def NbSubMesh(self):
2457 return self.mesh.NbSubMesh()
2459 ## Returns the list of mesh elements IDs
2460 # @return the list of integer values
2461 # @ingroup l1_meshinfo
2462 def GetElementsId(self):
2463 return self.mesh.GetElementsId()
2465 ## Returns the list of IDs of mesh elements with the given type
2466 # @param elementType the required type of elements, either of
2467 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
2468 # @return list of integer values
2469 # @ingroup l1_meshinfo
2470 def GetElementsByType(self, elementType):
2471 return self.mesh.GetElementsByType(elementType)
2473 ## Returns the list of mesh nodes IDs
2474 # @return the list of integer values
2475 # @ingroup l1_meshinfo
2476 def GetNodesId(self):
2477 return self.mesh.GetNodesId()
2479 # Get the information about mesh elements:
2480 # ------------------------------------
2482 ## Returns the type of mesh element
2483 # @return the value from SMESH::ElementType enumeration
2484 # Type SMESH.ElementType._items in the Python Console to see all possible values.
2485 # @ingroup l1_meshinfo
2486 def GetElementType(self, id, iselem=True):
2487 return self.mesh.GetElementType(id, iselem)
2489 ## Returns the geometric type of mesh element
2490 # @return the value from SMESH::EntityType enumeration
2491 # Type SMESH.EntityType._items in the Python Console to see all possible values.
2492 # @ingroup l1_meshinfo
2493 def GetElementGeomType(self, id):
2494 return self.mesh.GetElementGeomType(id)
2496 ## Returns the shape type of mesh element
2497 # @return the value from SMESH::GeometryType enumeration.
2498 # Type SMESH.GeometryType._items in the Python Console to see all possible values.
2499 # @ingroup l1_meshinfo
2500 def GetElementShape(self, id):
2501 return self.mesh.GetElementShape(id)
2503 ## Returns the list of submesh elements IDs
2504 # @param Shape a geom object(sub-shape) IOR
2505 # Shape must be the sub-shape of a ShapeToMesh()
2506 # @return the list of integer values
2507 # @ingroup l1_meshinfo
2508 def GetSubMeshElementsId(self, Shape):
2509 if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
2510 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2513 return self.mesh.GetSubMeshElementsId(ShapeID)
2515 ## Returns the list of submesh nodes IDs
2516 # @param Shape a geom object(sub-shape) IOR
2517 # Shape must be the sub-shape of a ShapeToMesh()
2518 # @param all If true, gives all nodes of submesh elements, otherwise gives only submesh nodes
2519 # @return the list of integer values
2520 # @ingroup l1_meshinfo
2521 def GetSubMeshNodesId(self, Shape, all):
2522 if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
2523 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2526 return self.mesh.GetSubMeshNodesId(ShapeID, all)
2528 ## Returns type of elements on given shape
2529 # @param Shape a geom object(sub-shape) IOR
2530 # Shape must be a sub-shape of a ShapeToMesh()
2531 # @return element type
2532 # @ingroup l1_meshinfo
2533 def GetSubMeshElementType(self, Shape):
2534 if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
2535 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2538 return self.mesh.GetSubMeshElementType(ShapeID)
2540 ## Gets the mesh description
2541 # @return string value
2542 # @ingroup l1_meshinfo
2544 return self.mesh.Dump()
2547 # Get the information about nodes and elements of a mesh by its IDs:
2548 # -----------------------------------------------------------
2550 ## Gets XYZ coordinates of a node
2551 # \n If there is no nodes for the given ID - returns an empty list
2552 # @return a list of double precision values
2553 # @ingroup l1_meshinfo
2554 def GetNodeXYZ(self, id):
2555 return self.mesh.GetNodeXYZ(id)
2557 ## Returns list of IDs of inverse elements for the given node
2558 # \n If there is no node for the given ID - returns an empty list
2559 # @return a list of integer values
2560 # @ingroup l1_meshinfo
2561 def GetNodeInverseElements(self, id):
2562 return self.mesh.GetNodeInverseElements(id)
2564 ## @brief Returns the position of a node on the shape
2565 # @return SMESH::NodePosition
2566 # @ingroup l1_meshinfo
2567 def GetNodePosition(self,NodeID):
2568 return self.mesh.GetNodePosition(NodeID)
2570 ## @brief Returns the position of an element on the shape
2571 # @return SMESH::ElementPosition
2572 # @ingroup l1_meshinfo
2573 def GetElementPosition(self,ElemID):
2574 return self.mesh.GetElementPosition(ElemID)
2576 ## Returns the ID of the shape, on which the given node was generated.
2577 # @return an integer value > 0 or -1 if there is no node for the given
2578 # ID or the node is not assigned to any geometry
2579 # @ingroup l1_meshinfo
2580 def GetShapeID(self, id):
2581 return self.mesh.GetShapeID(id)
2583 ## Returns the ID of the shape, on which the given element was generated.
2584 # @return an integer value > 0 or -1 if there is no element for the given
2585 # ID or the element is not assigned to any geometry
2586 # @ingroup l1_meshinfo
2587 def GetShapeIDForElem(self,id):
2588 return self.mesh.GetShapeIDForElem(id)
2590 ## Returns the number of nodes of the given element
2591 # @return an integer value > 0 or -1 if there is no element for the given ID
2592 # @ingroup l1_meshinfo
2593 def GetElemNbNodes(self, id):
2594 return self.mesh.GetElemNbNodes(id)
2596 ## Returns the node ID the given (zero based) index for the given element
2597 # \n If there is no element for the given ID - returns -1
2598 # \n If there is no node for the given index - returns -2
2599 # @return an integer value
2600 # @ingroup l1_meshinfo
2601 def GetElemNode(self, id, index):
2602 return self.mesh.GetElemNode(id, index)
2604 ## Returns the IDs of nodes of the given element
2605 # @return a list of integer values
2606 # @ingroup l1_meshinfo
2607 def GetElemNodes(self, id):
2608 return self.mesh.GetElemNodes(id)
2610 ## Returns true if the given node is the medium node in the given quadratic element
2611 # @ingroup l1_meshinfo
2612 def IsMediumNode(self, elementID, nodeID):
2613 return self.mesh.IsMediumNode(elementID, nodeID)
2615 ## Returns true if the given node is the medium node in one of quadratic elements
2616 # @param nodeID ID of the node
2617 # @param elementType the type of elements to check a state of the node, either of
2618 # (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
2619 # @ingroup l1_meshinfo
2620 def IsMediumNodeOfAnyElem(self, nodeID, elementType = SMESH.ALL ):
2621 return self.mesh.IsMediumNodeOfAnyElem(nodeID, elementType)
2623 ## Returns the number of edges for the given element
2624 # @ingroup l1_meshinfo
2625 def ElemNbEdges(self, id):
2626 return self.mesh.ElemNbEdges(id)
2628 ## Returns the number of faces for the given element
2629 # @ingroup l1_meshinfo
2630 def ElemNbFaces(self, id):
2631 return self.mesh.ElemNbFaces(id)
2633 ## Returns nodes of given face (counted from zero) for given volumic element.
2634 # @ingroup l1_meshinfo
2635 def GetElemFaceNodes(self,elemId, faceIndex):
2636 return self.mesh.GetElemFaceNodes(elemId, faceIndex)
2638 ## Returns three components of normal of given mesh face
2639 # (or an empty array in KO case)
2640 # @ingroup l1_meshinfo
2641 def GetFaceNormal(self, faceId, normalized=False):
2642 return self.mesh.GetFaceNormal(faceId,normalized)
2644 ## Returns an element based on all given nodes.
2645 # @ingroup l1_meshinfo
2646 def FindElementByNodes(self,nodes):
2647 return self.mesh.FindElementByNodes(nodes)
2649 ## Returns true if the given element is a polygon
2650 # @ingroup l1_meshinfo
2651 def IsPoly(self, id):
2652 return self.mesh.IsPoly(id)
2654 ## Returns true if the given element is quadratic
2655 # @ingroup l1_meshinfo
2656 def IsQuadratic(self, id):
2657 return self.mesh.IsQuadratic(id)
2659 ## Returns diameter of a ball discrete element or zero in case of an invalid \a id
2660 # @ingroup l1_meshinfo
2661 def GetBallDiameter(self, id):
2662 return self.mesh.GetBallDiameter(id)
2664 ## Returns XYZ coordinates of the barycenter of the given element
2665 # \n If there is no element for the given ID - returns an empty list
2666 # @return a list of three double values
2667 # @ingroup l1_meshinfo
2668 def BaryCenter(self, id):
2669 return self.mesh.BaryCenter(id)
2671 ## Passes mesh elements through the given filter and return IDs of fitting elements
2672 # @param theFilter SMESH_Filter
2673 # @return a list of ids
2674 # @ingroup l1_controls
2675 def GetIdsFromFilter(self, theFilter):
2676 theFilter.SetMesh( self.mesh )
2677 return theFilter.GetIDs()
2679 ## Verifies whether a 2D mesh element has free edges (edges connected to one face only)\n
2680 # Returns a list of special structures (borders).
2681 # @return a list of SMESH.FreeEdges.Border structure: edge id and ids of two its nodes.
2682 # @ingroup l1_controls
2683 def GetFreeBorders(self):
2684 aFilterMgr = self.smeshpyD.CreateFilterManager()
2685 aPredicate = aFilterMgr.CreateFreeEdges()
2686 aPredicate.SetMesh(self.mesh)
2687 aBorders = aPredicate.GetBorders()
2688 aFilterMgr.UnRegister()
2692 # Get mesh measurements information:
2693 # ------------------------------------
2695 ## Get minimum distance between two nodes, elements or distance to the origin
2696 # @param id1 first node/element id
2697 # @param id2 second node/element id (if 0, distance from @a id1 to the origin is computed)
2698 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
2699 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
2700 # @return minimum distance value
2701 # @sa GetMinDistance()
2702 def MinDistance(self, id1, id2=0, isElem1=False, isElem2=False):
2703 aMeasure = self.GetMinDistance(id1, id2, isElem1, isElem2)
2704 return aMeasure.value
2706 ## Get measure structure specifying minimum distance data between two objects
2707 # @param id1 first node/element id
2708 # @param id2 second node/element id (if 0, distance from @a id1 to the origin is computed)
2709 # @param isElem1 @c True if @a id1 is element id, @c False if it is node id
2710 # @param isElem2 @c True if @a id2 is element id, @c False if it is node id
2711 # @return Measure structure
2713 def GetMinDistance(self, id1, id2=0, isElem1=False, isElem2=False):
2715 id1 = self.editor.MakeIDSource([id1], SMESH.FACE)
2717 id1 = self.editor.MakeIDSource([id1], SMESH.NODE)
2720 id2 = self.editor.MakeIDSource([id2], SMESH.FACE)
2722 id2 = self.editor.MakeIDSource([id2], SMESH.NODE)
2727 aMeasurements = self.smeshpyD.CreateMeasurements()
2728 aMeasure = aMeasurements.MinDistance(id1, id2)
2729 genObjUnRegister([aMeasurements,id1, id2])
2732 ## Get bounding box of the specified object(s)
2733 # @param objects single source object or list of source objects or list of nodes/elements IDs
2734 # @param isElem if @a objects is a list of IDs, @c True value in this parameters specifies that @a objects are elements,
2735 # @c False specifies that @a objects are nodes
2736 # @return tuple of six values (minX, minY, minZ, maxX, maxY, maxZ)
2737 # @sa GetBoundingBox()
2738 def BoundingBox(self, objects=None, isElem=False):
2739 result = self.GetBoundingBox(objects, isElem)
2743 result = (result.minX, result.minY, result.minZ, result.maxX, result.maxY, result.maxZ)
2746 ## Get measure structure specifying bounding box data of the specified object(s)
2747 # @param IDs single source object or list of source objects or list of nodes/elements IDs
2748 # @param isElem if @a IDs is a list of IDs, @c True value in this parameters specifies that @a objects are elements,
2749 # @c False specifies that @a objects are nodes
2750 # @return Measure structure
2752 def GetBoundingBox(self, IDs=None, isElem=False):
2755 elif isinstance(IDs, tuple):
2757 if not isinstance(IDs, list):
2759 if len(IDs) > 0 and isinstance(IDs[0], int):
2762 unRegister = genObjUnRegister()
2764 if isinstance(o, Mesh):
2765 srclist.append(o.mesh)
2766 elif hasattr(o, "_narrow"):
2767 src = o._narrow(SMESH.SMESH_IDSource)
2768 if src: srclist.append(src)
2770 elif isinstance(o, list):
2772 srclist.append(self.editor.MakeIDSource(o, SMESH.FACE))
2774 srclist.append(self.editor.MakeIDSource(o, SMESH.NODE))
2775 unRegister.set( srclist[-1] )
2778 aMeasurements = self.smeshpyD.CreateMeasurements()
2779 unRegister.set( aMeasurements )
2780 aMeasure = aMeasurements.BoundingBox(srclist)
2783 # Mesh edition (SMESH_MeshEditor functionality):
2784 # ---------------------------------------------
2786 ## Removes the elements from the mesh by ids
2787 # @param IDsOfElements is a list of ids of elements to remove
2788 # @return True or False
2789 # @ingroup l2_modif_del
2790 def RemoveElements(self, IDsOfElements):
2791 return self.editor.RemoveElements(IDsOfElements)
2793 ## Removes nodes from mesh by ids
2794 # @param IDsOfNodes is a list of ids of nodes to remove
2795 # @return True or False
2796 # @ingroup l2_modif_del
2797 def RemoveNodes(self, IDsOfNodes):
2798 return self.editor.RemoveNodes(IDsOfNodes)
2800 ## Removes all orphan (free) nodes from mesh
2801 # @return number of the removed nodes
2802 # @ingroup l2_modif_del
2803 def RemoveOrphanNodes(self):
2804 return self.editor.RemoveOrphanNodes()
2806 ## Add a node to the mesh by coordinates
2807 # @return Id of the new node
2808 # @ingroup l2_modif_add
2809 def AddNode(self, x, y, z):
2810 x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
2811 if hasVars: self.mesh.SetParameters(Parameters)
2812 return self.editor.AddNode( x, y, z)
2814 ## Creates a 0D element on a node with given number.
2815 # @param IDOfNode the ID of node for creation of the element.
2816 # @return the Id of the new 0D element
2817 # @ingroup l2_modif_add
2818 def Add0DElement(self, IDOfNode):
2819 return self.editor.Add0DElement(IDOfNode)
2821 ## Create 0D elements on all nodes of the given elements except those
2822 # nodes on which a 0D element already exists.
2823 # @param theObject an object on whose nodes 0D elements will be created.
2824 # It can be mesh, sub-mesh, group, list of element IDs or a holder
2825 # of nodes IDs created by calling mesh.GetIDSource( nodes, SMESH.NODE )
2826 # @param theGroupName optional name of a group to add 0D elements created
2827 # and/or found on nodes of \a theObject.
2828 # @return an object (a new group or a temporary SMESH_IDSource) holding
2829 # IDs of new and/or found 0D elements. IDs of 0D elements
2830 # can be retrieved from the returned object by calling GetIDs()
2831 # @ingroup l2_modif_add
2832 def Add0DElementsToAllNodes(self, theObject, theGroupName=""):
2833 unRegister = genObjUnRegister()
2834 if isinstance( theObject, Mesh ):
2835 theObject = theObject.GetMesh()
2836 if isinstance( theObject, list ):
2837 theObject = self.GetIDSource( theObject, SMESH.ALL )
2838 unRegister.set( theObject )
2839 return self.editor.Create0DElementsOnAllNodes( theObject, theGroupName )
2841 ## Creates a ball element on a node with given ID.
2842 # @param IDOfNode the ID of node for creation of the element.
2843 # @param diameter the bal diameter.
2844 # @return the Id of the new ball element
2845 # @ingroup l2_modif_add
2846 def AddBall(self, IDOfNode, diameter):
2847 return self.editor.AddBall( IDOfNode, diameter )
2849 ## Creates a linear or quadratic edge (this is determined
2850 # by the number of given nodes).
2851 # @param IDsOfNodes the list of node IDs for creation of the element.
2852 # The order of nodes in this list should correspond to the description
2853 # of MED. \n This description is located by the following link:
2854 # http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
2855 # @return the Id of the new edge
2856 # @ingroup l2_modif_add
2857 def AddEdge(self, IDsOfNodes):
2858 return self.editor.AddEdge(IDsOfNodes)
2860 ## Creates a linear or quadratic face (this is determined
2861 # by the number of given nodes).
2862 # @param IDsOfNodes the list of node IDs for creation of the element.
2863 # The order of nodes in this list should correspond to the description
2864 # of MED. \n This description is located by the following link:
2865 # http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
2866 # @return the Id of the new face
2867 # @ingroup l2_modif_add
2868 def AddFace(self, IDsOfNodes):
2869 return self.editor.AddFace(IDsOfNodes)
2871 ## Adds a polygonal face to the mesh by the list of node IDs
2872 # @param IdsOfNodes the list of node IDs for creation of the element.
2873 # @return the Id of the new face
2874 # @ingroup l2_modif_add
2875 def AddPolygonalFace(self, IdsOfNodes):
2876 return self.editor.AddPolygonalFace(IdsOfNodes)
2878 ## Adds a quadratic polygonal face to the mesh by the list of node IDs
2879 # @param IdsOfNodes the list of node IDs for creation of the element;
2880 # corner nodes follow first.
2881 # @return the Id of the new face
2882 # @ingroup l2_modif_add
2883 def AddQuadPolygonalFace(self, IdsOfNodes):
2884 return self.editor.AddQuadPolygonalFace(IdsOfNodes)
2886 ## Creates both simple and quadratic volume (this is determined
2887 # by the number of given nodes).
2888 # @param IDsOfNodes the list of node IDs for creation of the element.
2889 # The order of nodes in this list should correspond to the description
2890 # of MED. \n This description is located by the following link:
2891 # http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
2892 # @return the Id of the new volumic element
2893 # @ingroup l2_modif_add
2894 def AddVolume(self, IDsOfNodes):
2895 return self.editor.AddVolume(IDsOfNodes)
2897 ## Creates a volume of many faces, giving nodes for each face.
2898 # @param IdsOfNodes the list of node IDs for volume creation face by face.
2899 # @param Quantities the list of integer values, Quantities[i]
2900 # gives the quantity of nodes in face number i.
2901 # @return the Id of the new volumic element
2902 # @ingroup l2_modif_add
2903 def AddPolyhedralVolume (self, IdsOfNodes, Quantities):
2904 return self.editor.AddPolyhedralVolume(IdsOfNodes, Quantities)
2906 ## Creates a volume of many faces, giving the IDs of the existing faces.
2907 # @param IdsOfFaces the list of face IDs for volume creation.
2909 # Note: The created volume will refer only to the nodes
2910 # of the given faces, not to the faces themselves.
2911 # @return the Id of the new volumic element
2912 # @ingroup l2_modif_add
2913 def AddPolyhedralVolumeByFaces (self, IdsOfFaces):
2914 return self.editor.AddPolyhedralVolumeByFaces(IdsOfFaces)
2917 ## @brief Binds a node to a vertex
2918 # @param NodeID a node ID
2919 # @param Vertex a vertex or vertex ID
2920 # @return True if succeed else raises an exception
2921 # @ingroup l2_modif_add
2922 def SetNodeOnVertex(self, NodeID, Vertex):
2923 if ( isinstance( Vertex, geomBuilder.GEOM._objref_GEOM_Object)):
2924 VertexID = self.geompyD.GetSubShapeID( self.geom, Vertex )
2928 self.editor.SetNodeOnVertex(NodeID, VertexID)
2929 except SALOME.SALOME_Exception, inst:
2930 raise ValueError, inst.details.text
2934 ## @brief Stores the node position on an edge
2935 # @param NodeID a node ID
2936 # @param Edge an edge or edge ID
2937 # @param paramOnEdge a parameter on the edge where the node is located
2938 # @return True if succeed else raises an exception
2939 # @ingroup l2_modif_add
2940 def SetNodeOnEdge(self, NodeID, Edge, paramOnEdge):
2941 if ( isinstance( Edge, geomBuilder.GEOM._objref_GEOM_Object)):
2942 EdgeID = self.geompyD.GetSubShapeID( self.geom, Edge )
2946 self.editor.SetNodeOnEdge(NodeID, EdgeID, paramOnEdge)
2947 except SALOME.SALOME_Exception, inst:
2948 raise ValueError, inst.details.text
2951 ## @brief Stores node position on a face
2952 # @param NodeID a node ID
2953 # @param Face a face or face ID
2954 # @param u U parameter on the face where the node is located
2955 # @param v V parameter on the face where the node is located
2956 # @return True if succeed else raises an exception
2957 # @ingroup l2_modif_add
2958 def SetNodeOnFace(self, NodeID, Face, u, v):
2959 if ( isinstance( Face, geomBuilder.GEOM._objref_GEOM_Object)):
2960 FaceID = self.geompyD.GetSubShapeID( self.geom, Face )
2964 self.editor.SetNodeOnFace(NodeID, FaceID, u, v)
2965 except SALOME.SALOME_Exception, inst:
2966 raise ValueError, inst.details.text
2969 ## @brief Binds a node to a solid
2970 # @param NodeID a node ID
2971 # @param Solid a solid or solid ID
2972 # @return True if succeed else raises an exception
2973 # @ingroup l2_modif_add
2974 def SetNodeInVolume(self, NodeID, Solid):
2975 if ( isinstance( Solid, geomBuilder.GEOM._objref_GEOM_Object)):
2976 SolidID = self.geompyD.GetSubShapeID( self.geom, Solid )
2980 self.editor.SetNodeInVolume(NodeID, SolidID)
2981 except SALOME.SALOME_Exception, inst:
2982 raise ValueError, inst.details.text
2985 ## @brief Bind an element to a shape
2986 # @param ElementID an element ID
2987 # @param Shape a shape or shape ID
2988 # @return True if succeed else raises an exception
2989 # @ingroup l2_modif_add
2990 def SetMeshElementOnShape(self, ElementID, Shape):
2991 if ( isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object)):
2992 ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
2996 self.editor.SetMeshElementOnShape(ElementID, ShapeID)
2997 except SALOME.SALOME_Exception, inst:
2998 raise ValueError, inst.details.text
3002 ## Moves the node with the given id
3003 # @param NodeID the id of the node
3004 # @param x a new X coordinate
3005 # @param y a new Y coordinate
3006 # @param z a new Z coordinate
3007 # @return True if succeed else False
3008 # @ingroup l2_modif_movenode
3009 def MoveNode(self, NodeID, x, y, z):
3010 x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
3011 if hasVars: self.mesh.SetParameters(Parameters)
3012 return self.editor.MoveNode(NodeID, x, y, z)
3014 ## Finds the node closest to a point and moves it to a point location
3015 # @param x the X coordinate of a point
3016 # @param y the Y coordinate of a point
3017 # @param z the Z coordinate of a point
3018 # @param NodeID if specified (>0), the node with this ID is moved,
3019 # otherwise, the node closest to point (@a x,@a y,@a z) is moved
3020 # @return the ID of a node
3021 # @ingroup l2_modif_throughp
3022 def MoveClosestNodeToPoint(self, x, y, z, NodeID):
3023 x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
3024 if hasVars: self.mesh.SetParameters(Parameters)
3025 return self.editor.MoveClosestNodeToPoint(x, y, z, NodeID)
3027 ## Finds the node closest to a point
3028 # @param x the X coordinate of a point
3029 # @param y the Y coordinate of a point
3030 # @param z the Z coordinate of a point
3031 # @return the ID of a node
3032 # @ingroup l2_modif_throughp
3033 def FindNodeClosestTo(self, x, y, z):
3034 #preview = self.mesh.GetMeshEditPreviewer()
3035 #return preview.MoveClosestNodeToPoint(x, y, z, -1)
3036 return self.editor.FindNodeClosestTo(x, y, z)
3038 ## Finds the elements where a point lays IN or ON
3039 # @param x the X coordinate of a point
3040 # @param y the Y coordinate of a point
3041 # @param z the Z coordinate of a point
3042 # @param elementType type of elements to find; either of
3043 # (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME); SMESH.ALL type
3044 # means elements of any type excluding nodes, discrete and 0D elements.
3045 # @param meshPart a part of mesh (group, sub-mesh) to search within
3046 # @return list of IDs of found elements
3047 # @ingroup l2_modif_throughp
3048 def FindElementsByPoint(self, x, y, z, elementType = SMESH.ALL, meshPart=None):
3050 return self.editor.FindAmongElementsByPoint( meshPart, x, y, z, elementType );
3052 return self.editor.FindElementsByPoint(x, y, z, elementType)
3054 ## Return point state in a closed 2D mesh in terms of TopAbs_State enumeration:
3055 # 0-IN, 1-OUT, 2-ON, 3-UNKNOWN
3056 # UNKNOWN state means that either mesh is wrong or the analysis fails.
3057 def GetPointState(self, x, y, z):
3058 return self.editor.GetPointState(x, y, z)
3060 ## Finds the node closest to a point and moves it to a point location
3061 # @param x the X coordinate of a point
3062 # @param y the Y coordinate of a point
3063 # @param z the Z coordinate of a point
3064 # @return the ID of a moved node
3065 # @ingroup l2_modif_throughp
3066 def MeshToPassThroughAPoint(self, x, y, z):
3067 return self.editor.MoveClosestNodeToPoint(x, y, z, -1)
3069 ## Replaces two neighbour triangles sharing Node1-Node2 link
3070 # with the triangles built on the same 4 nodes but having other common link.
3071 # @param NodeID1 the ID of the first node
3072 # @param NodeID2 the ID of the second node
3073 # @return false if proper faces were not found
3074 # @ingroup l2_modif_invdiag
3075 def InverseDiag(self, NodeID1, NodeID2):
3076 return self.editor.InverseDiag(NodeID1, NodeID2)
3078 ## Replaces two neighbour triangles sharing Node1-Node2 link
3079 # with a quadrangle built on the same 4 nodes.
3080 # @param NodeID1 the ID of the first node
3081 # @param NodeID2 the ID of the second node
3082 # @return false if proper faces were not found
3083 # @ingroup l2_modif_unitetri
3084 def DeleteDiag(self, NodeID1, NodeID2):
3085 return self.editor.DeleteDiag(NodeID1, NodeID2)
3087 ## Reorients elements by ids
3088 # @param IDsOfElements if undefined reorients all mesh elements
3089 # @return True if succeed else False
3090 # @ingroup l2_modif_changori
3091 def Reorient(self, IDsOfElements=None):
3092 if IDsOfElements == None:
3093 IDsOfElements = self.GetElementsId()
3094 return self.editor.Reorient(IDsOfElements)
3096 ## Reorients all elements of the object
3097 # @param theObject mesh, submesh or group
3098 # @return True if succeed else False
3099 # @ingroup l2_modif_changori
3100 def ReorientObject(self, theObject):
3101 if ( isinstance( theObject, Mesh )):
3102 theObject = theObject.GetMesh()
3103 return self.editor.ReorientObject(theObject)
3105 ## Reorient faces contained in \a the2DObject.
3106 # @param the2DObject is a mesh, sub-mesh, group or list of IDs of 2D elements
3107 # @param theDirection is a desired direction of normal of \a theFace.
3108 # It can be either a GEOM vector or a list of coordinates [x,y,z].
3109 # @param theFaceOrPoint defines a face of \a the2DObject whose normal will be
3110 # compared with theDirection. It can be either ID of face or a point
3111 # by which the face will be found. The point can be given as either
3112 # a GEOM vertex or a list of point coordinates.
3113 # @return number of reoriented faces
3114 # @ingroup l2_modif_changori
3115 def Reorient2D(self, the2DObject, theDirection, theFaceOrPoint ):
3116 unRegister = genObjUnRegister()
3118 if isinstance( the2DObject, Mesh ):
3119 the2DObject = the2DObject.GetMesh()
3120 if isinstance( the2DObject, list ):
3121 the2DObject = self.GetIDSource( the2DObject, SMESH.FACE )
3122 unRegister.set( the2DObject )
3123 # check theDirection
3124 if isinstance( theDirection, geomBuilder.GEOM._objref_GEOM_Object):
3125 theDirection = self.smeshpyD.GetDirStruct( theDirection )
3126 if isinstance( theDirection, list ):
3127 theDirection = self.smeshpyD.MakeDirStruct( *theDirection )
3128 # prepare theFace and thePoint
3129 theFace = theFaceOrPoint
3130 thePoint = PointStruct(0,0,0)
3131 if isinstance( theFaceOrPoint, geomBuilder.GEOM._objref_GEOM_Object):
3132 thePoint = self.smeshpyD.GetPointStruct( theFaceOrPoint )
3134 if isinstance( theFaceOrPoint, list ):
3135 thePoint = PointStruct( *theFaceOrPoint )
3137 if isinstance( theFaceOrPoint, PointStruct ):
3138 thePoint = theFaceOrPoint
3140 return self.editor.Reorient2D( the2DObject, theDirection, theFace, thePoint )
3142 ## Reorient faces according to adjacent volumes.
3143 # @param the2DObject is a mesh, sub-mesh, group or list of
3144 # either IDs of faces or face groups.
3145 # @param the3DObject is a mesh, sub-mesh, group or list of IDs of volumes.
3146 # @param theOutsideNormal to orient faces to have their normals
3147 # pointing either \a outside or \a inside the adjacent volumes.
3148 # @return number of reoriented faces.
3149 # @ingroup l2_modif_changori
3150 def Reorient2DBy3D(self, the2DObject, the3DObject, theOutsideNormal=True ):
3151 unRegister = genObjUnRegister()
3153 if not isinstance( the2DObject, list ):
3154 the2DObject = [ the2DObject ]
3155 elif the2DObject and isinstance( the2DObject[0], int ):
3156 the2DObject = self.GetIDSource( the2DObject, SMESH.FACE )
3157 unRegister.set( the2DObject )
3158 the2DObject = [ the2DObject ]
3159 for i,obj2D in enumerate( the2DObject ):
3160 if isinstance( obj2D, Mesh ):
3161 the2DObject[i] = obj2D.GetMesh()
3162 if isinstance( obj2D, list ):
3163 the2DObject[i] = self.GetIDSource( obj2D, SMESH.FACE )
3164 unRegister.set( the2DObject[i] )
3166 if isinstance( the3DObject, Mesh ):
3167 the3DObject = the3DObject.GetMesh()
3168 if isinstance( the3DObject, list ):
3169 the3DObject = self.GetIDSource( the3DObject, SMESH.VOLUME )
3170 unRegister.set( the3DObject )
3171 return self.editor.Reorient2DBy3D( the2DObject, the3DObject, theOutsideNormal )
3173 ## Fuses the neighbouring triangles into quadrangles.
3174 # @param IDsOfElements The triangles to be fused.
3175 # @param theCriterion a numerical functor, in terms of enum SMESH.FunctorType, used to
3176 # applied to possible quadrangles to choose a neighbour to fuse with.
3177 # Type SMESH.FunctorType._items in the Python Console to see all items.
3178 # Note that not all items correspond to numerical functors.
3179 # @param MaxAngle is the maximum angle between element normals at which the fusion
3180 # is still performed; theMaxAngle is mesured in radians.
3181 # Also it could be a name of variable which defines angle in degrees.
3182 # @return TRUE in case of success, FALSE otherwise.
3183 # @ingroup l2_modif_unitetri
3184 def TriToQuad(self, IDsOfElements, theCriterion, MaxAngle):
3185 MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
3186 self.mesh.SetParameters(Parameters)
3187 if not IDsOfElements:
3188 IDsOfElements = self.GetElementsId()
3189 Functor = self.smeshpyD.GetFunctor(theCriterion)
3190 return self.editor.TriToQuad(IDsOfElements, Functor, MaxAngle)
3192 ## Fuses the neighbouring triangles of the object into quadrangles
3193 # @param theObject is mesh, submesh or group
3194 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType,
3195 # applied to possible quadrangles to choose a neighbour to fuse with.
3196 # Type SMESH.FunctorType._items in the Python Console to see all items.
3197 # Note that not all items correspond to numerical functors.
3198 # @param MaxAngle a max angle between element normals at which the fusion
3199 # is still performed; theMaxAngle is mesured in radians.
3200 # @return TRUE in case of success, FALSE otherwise.
3201 # @ingroup l2_modif_unitetri
3202 def TriToQuadObject (self, theObject, theCriterion, MaxAngle):
3203 MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
3204 self.mesh.SetParameters(Parameters)
3205 if isinstance( theObject, Mesh ):
3206 theObject = theObject.GetMesh()
3207 Functor = self.smeshpyD.GetFunctor(theCriterion)
3208 return self.editor.TriToQuadObject(theObject, Functor, MaxAngle)
3210 ## Splits quadrangles into triangles.
3211 # @param IDsOfElements the faces to be splitted.
3212 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
3213 # choose a diagonal for splitting. If @a theCriterion is None, which is a default
3214 # value, then quadrangles will be split by the smallest diagonal.
3215 # Type SMESH.FunctorType._items in the Python Console to see all items.
3216 # Note that not all items correspond to numerical functors.
3217 # @return TRUE in case of success, FALSE otherwise.
3218 # @ingroup l2_modif_cutquadr
3219 def QuadToTri (self, IDsOfElements, theCriterion = None):
3220 if IDsOfElements == []:
3221 IDsOfElements = self.GetElementsId()
3222 if theCriterion is None:
3223 theCriterion = FT_MaxElementLength2D
3224 Functor = self.smeshpyD.GetFunctor(theCriterion)
3225 return self.editor.QuadToTri(IDsOfElements, Functor)
3227 ## Splits quadrangles into triangles.
3228 # @param theObject the object from which the list of elements is taken,
3229 # this is mesh, submesh or group
3230 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
3231 # choose a diagonal for splitting. If @a theCriterion is None, which is a default
3232 # value, then quadrangles will be split by the smallest diagonal.
3233 # Type SMESH.FunctorType._items in the Python Console to see all items.
3234 # Note that not all items correspond to numerical functors.
3235 # @return TRUE in case of success, FALSE otherwise.
3236 # @ingroup l2_modif_cutquadr
3237 def QuadToTriObject (self, theObject, theCriterion = None):
3238 if ( isinstance( theObject, Mesh )):
3239 theObject = theObject.GetMesh()
3240 if theCriterion is None:
3241 theCriterion = FT_MaxElementLength2D
3242 Functor = self.smeshpyD.GetFunctor(theCriterion)
3243 return self.editor.QuadToTriObject(theObject, Functor)
3245 ## Splits each of given quadrangles into 4 triangles. A node is added at the center of
3247 # @param theElements the faces to be splitted. This can be either mesh, sub-mesh,
3248 # group or a list of face IDs. By default all quadrangles are split
3249 # @ingroup l2_modif_cutquadr
3250 def QuadTo4Tri (self, theElements=[]):
3251 unRegister = genObjUnRegister()
3252 if isinstance( theElements, Mesh ):
3253 theElements = theElements.mesh
3254 elif not theElements:
3255 theElements = self.mesh
3256 elif isinstance( theElements, list ):
3257 theElements = self.GetIDSource( theElements, SMESH.FACE )
3258 unRegister.set( theElements )
3259 return self.editor.QuadTo4Tri( theElements )
3261 ## Splits quadrangles into triangles.
3262 # @param IDsOfElements the faces to be splitted
3263 # @param Diag13 is used to choose a diagonal for splitting.
3264 # @return TRUE in case of success, FALSE otherwise.
3265 # @ingroup l2_modif_cutquadr
3266 def SplitQuad (self, IDsOfElements, Diag13):
3267 if IDsOfElements == []:
3268 IDsOfElements = self.GetElementsId()
3269 return self.editor.SplitQuad(IDsOfElements, Diag13)
3271 ## Splits quadrangles into triangles.
3272 # @param theObject the object from which the list of elements is taken,
3273 # this is mesh, submesh or group
3274 # @param Diag13 is used to choose a diagonal for splitting.
3275 # @return TRUE in case of success, FALSE otherwise.
3276 # @ingroup l2_modif_cutquadr
3277 def SplitQuadObject (self, theObject, Diag13):
3278 if ( isinstance( theObject, Mesh )):
3279 theObject = theObject.GetMesh()
3280 return self.editor.SplitQuadObject(theObject, Diag13)
3282 ## Finds a better splitting of the given quadrangle.
3283 # @param IDOfQuad the ID of the quadrangle to be splitted.
3284 # @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
3285 # choose a diagonal for splitting.
3286 # Type SMESH.FunctorType._items in the Python Console to see all items.
3287 # Note that not all items correspond to numerical functors.
3288 # @return 1 if 1-3 diagonal is better, 2 if 2-4
3289 # diagonal is better, 0 if error occurs.
3290 # @ingroup l2_modif_cutquadr
3291 def BestSplit (self, IDOfQuad, theCriterion):
3292 return self.editor.BestSplit(IDOfQuad, self.smeshpyD.GetFunctor(theCriterion))
3294 ## Splits volumic elements into tetrahedrons
3295 # @param elems either a list of elements or a mesh or a group or a submesh or a filter
3296 # @param method flags passing splitting method:
3297 # smesh.Hex_5Tet, smesh.Hex_6Tet, smesh.Hex_24Tet.
3298 # smesh.Hex_5Tet - to split the hexahedron into 5 tetrahedrons, etc.
3299 # @ingroup l2_modif_cutquadr
3300 def SplitVolumesIntoTetra(self, elems, method=smeshBuilder.Hex_5Tet ):
3301 unRegister = genObjUnRegister()
3302 if isinstance( elems, Mesh ):
3303 elems = elems.GetMesh()
3304 if ( isinstance( elems, list )):
3305 elems = self.editor.MakeIDSource(elems, SMESH.VOLUME)
3306 unRegister.set( elems )
3307 self.editor.SplitVolumesIntoTetra(elems, method)
3310 ## Split bi-quadratic elements into linear ones without creation of additional nodes:
3311 # - bi-quadratic triangle will be split into 3 linear quadrangles;
3312 # - bi-quadratic quadrangle will be split into 4 linear quadrangles;
3313 # - tri-quadratic hexahedron will be split into 8 linear hexahedra.
3314 # Quadratic elements of lower dimension adjacent to the split bi-quadratic element
3315 # will be split in order to keep the mesh conformal.
3316 # @param elems - elements to split: sub-meshes, groups, filters or element IDs;
3317 # if None (default), all bi-quadratic elements will be split
3318 # @ingroup l2_modif_cutquadr
3319 def SplitBiQuadraticIntoLinear(self, elems=None):
3320 unRegister = genObjUnRegister()
3321 if elems and isinstance( elems, list ) and isinstance( elems[0], int ):
3322 elems = self.editor.MakeIDSource(elems, SMESH.ALL)
3323 unRegister.set( elems )
3325 elems = [ self.GetMesh() ]
3326 if isinstance( elems, Mesh ):
3327 elems = [ elems.GetMesh() ]
3328 if not isinstance( elems, list ):
3330 self.editor.SplitBiQuadraticIntoLinear( elems )
3332 ## Splits hexahedra into prisms
3333 # @param elems either a list of elements or a mesh or a group or a submesh or a filter
3334 # @param startHexPoint a point used to find a hexahedron for which @a facetNormal
3335 # gives a normal vector defining facets to split into triangles.
3336 # @a startHexPoint can be either a triple of coordinates or a vertex.
3337 # @param facetNormal a normal to a facet to split into triangles of a
3338 # hexahedron found by @a startHexPoint.
3339 # @a facetNormal can be either a triple of coordinates or an edge.
3340 # @param method flags passing splitting method: smesh.Hex_2Prisms, smesh.Hex_4Prisms.
3341 # smesh.Hex_2Prisms - to split the hexahedron into 2 prisms, etc.
3342 # @param allDomains if @c False, only hexahedra adjacent to one closest
3343 # to @a startHexPoint are split, else @a startHexPoint
3344 # is used to find the facet to split in all domains present in @a elems.
3345 # @ingroup l2_modif_cutquadr
3346 def SplitHexahedraIntoPrisms(self, elems, startHexPoint, facetNormal,
3347 method=smeshBuilder.Hex_2Prisms, allDomains=False ):
3349 unRegister = genObjUnRegister()
3350 if isinstance( elems, Mesh ):
3351 elems = elems.GetMesh()
3352 if ( isinstance( elems, list )):
3353 elems = self.editor.MakeIDSource(elems, SMESH.VOLUME)
3354 unRegister.set( elems )
3357 if isinstance( startHexPoint, geomBuilder.GEOM._objref_GEOM_Object):
3358 startHexPoint = self.smeshpyD.GetPointStruct( startHexPoint )
3359 elif isinstance( startHexPoint, list ):
3360 startHexPoint = SMESH.PointStruct( startHexPoint[0],
3363 if isinstance( facetNormal, geomBuilder.GEOM._objref_GEOM_Object):
3364 facetNormal = self.smeshpyD.GetDirStruct( facetNormal )
3365 elif isinstance( facetNormal, list ):
3366 facetNormal = self.smeshpyD.MakeDirStruct( facetNormal[0],
3369 self.mesh.SetParameters( startHexPoint.parameters + facetNormal.PS.parameters )
3371 self.editor.SplitHexahedraIntoPrisms(elems, startHexPoint, facetNormal, method, allDomains)
3373 ## Splits quadrangle faces near triangular facets of volumes
3375 # @ingroup l1_auxiliary
3376 def SplitQuadsNearTriangularFacets(self):
3377 faces_array = self.GetElementsByType(SMESH.FACE)
3378 for face_id in faces_array:
3379 if self.GetElemNbNodes(face_id) == 4: # quadrangle
3380 quad_nodes = self.mesh.GetElemNodes(face_id)
3381 node1_elems = self.GetNodeInverseElements(quad_nodes[1 -1])
3382 isVolumeFound = False
3383 for node1_elem in node1_elems:
3384 if not isVolumeFound:
3385 if self.GetElementType(node1_elem, True) == SMESH.VOLUME:
3386 nb_nodes = self.GetElemNbNodes(node1_elem)
3387 if 3 < nb_nodes and nb_nodes < 7: # tetra or penta, or prism
3388 volume_elem = node1_elem
3389 volume_nodes = self.mesh.GetElemNodes(volume_elem)
3390 if volume_nodes.count(quad_nodes[2 -1]) > 0: # 1,2
3391 if volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,2,4
3392 isVolumeFound = True
3393 if volume_nodes.count(quad_nodes[3 -1]) == 0: # 1,2,4 & !3
3394 self.SplitQuad([face_id], False) # diagonal 2-4
3395 elif volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,2,3 & !4
3396 isVolumeFound = True
3397 self.SplitQuad([face_id], True) # diagonal 1-3
3398 elif volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,4 & !2
3399 if volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,4,3 & !2
3400 isVolumeFound = True
3401 self.SplitQuad([face_id], True) # diagonal 1-3
3403 ## @brief Splits hexahedrons into tetrahedrons.
3405 # This operation uses pattern mapping functionality for splitting.
3406 # @param theObject the object from which the list of hexahedrons is taken; this is mesh, submesh or group.
3407 # @param theNode000,theNode001 within the range [0,7]; gives the orientation of the
3408 # pattern relatively each hexahedron: the (0,0,0) key-point of the pattern
3409 # will be mapped into <VAR>theNode000</VAR>-th node of each volume, the (0,0,1)
3410 # key-point will be mapped into <VAR>theNode001</VAR>-th node of each volume.
3411 # The (0,0,0) key-point of the used pattern corresponds to a non-split corner.
3412 # @return TRUE in case of success, FALSE otherwise.
3413 # @ingroup l1_auxiliary
3414 def SplitHexaToTetras (self, theObject, theNode000, theNode001):
3415 # Pattern: 5.---------.6
3420 # (0,0,1) 4.---------.7 * |
3427 # (0,0,0) 0.---------.3
3428 pattern_tetra = "!!! Nb of points: \n 8 \n\
3438 !!! Indices of points of 6 tetras: \n\
3446 pattern = self.smeshpyD.GetPattern()
3447 isDone = pattern.LoadFromFile(pattern_tetra)
3449 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
3452 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
3453 isDone = pattern.MakeMesh(self.mesh, False, False)
3454 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
3456 # split quafrangle faces near triangular facets of volumes
3457 self.SplitQuadsNearTriangularFacets()
3461 ## @brief Split hexahedrons into prisms.
3463 # Uses the pattern mapping functionality for splitting.
3464 # @param theObject the object (mesh, submesh or group) from where the list of hexahedrons is taken;
3465 # @param theNode000,theNode001 (within the range [0,7]) gives the orientation of the
3466 # pattern relatively each hexahedron: keypoint (0,0,0) of the pattern
3467 # will be mapped into the <VAR>theNode000</VAR>-th node of each volume, keypoint (0,0,1)
3468 # will be mapped into the <VAR>theNode001</VAR>-th node of each volume.
3469 # Edge (0,0,0)-(0,0,1) of used pattern connects two not split corners.
3470 # @return TRUE in case of success, FALSE otherwise.
3471 # @ingroup l1_auxiliary
3472 def SplitHexaToPrisms (self, theObject, theNode000, theNode001):
3473 # Pattern: 5.---------.6
3478 # (0,0,1) 4.---------.7 |
3485 # (0,0,0) 0.---------.3
3486 pattern_prism = "!!! Nb of points: \n 8 \n\
3496 !!! Indices of points of 2 prisms: \n\
3500 pattern = self.smeshpyD.GetPattern()
3501 isDone = pattern.LoadFromFile(pattern_prism)
3503 print 'Pattern.LoadFromFile :', pattern.GetErrorCode()
3506 pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
3507 isDone = pattern.MakeMesh(self.mesh, False, False)
3508 if not isDone: print 'Pattern.MakeMesh :', pattern.GetErrorCode()
3510 # Splits quafrangle faces near triangular facets of volumes
3511 self.SplitQuadsNearTriangularFacets()
3515 ## Smoothes elements
3516 # @param IDsOfElements the list if ids of elements to smooth
3517 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3518 # Note that nodes built on edges and boundary nodes are always fixed.
3519 # @param MaxNbOfIterations the maximum number of iterations
3520 # @param MaxAspectRatio varies in range [1.0, inf]
3521 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3522 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3523 # @return TRUE in case of success, FALSE otherwise.
3524 # @ingroup l2_modif_smooth
3525 def Smooth(self, IDsOfElements, IDsOfFixedNodes,
3526 MaxNbOfIterations, MaxAspectRatio, Method):
3527 if IDsOfElements == []:
3528 IDsOfElements = self.GetElementsId()
3529 MaxNbOfIterations,MaxAspectRatio,Parameters,hasVars = ParseParameters(MaxNbOfIterations,MaxAspectRatio)
3530 self.mesh.SetParameters(Parameters)
3531 return self.editor.Smooth(IDsOfElements, IDsOfFixedNodes,
3532 MaxNbOfIterations, MaxAspectRatio, Method)
3534 ## Smoothes elements which belong to the given object
3535 # @param theObject the object to smooth
3536 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3537 # Note that nodes built on edges and boundary nodes are always fixed.
3538 # @param MaxNbOfIterations the maximum number of iterations
3539 # @param MaxAspectRatio varies in range [1.0, inf]
3540 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3541 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3542 # @return TRUE in case of success, FALSE otherwise.
3543 # @ingroup l2_modif_smooth
3544 def SmoothObject(self, theObject, IDsOfFixedNodes,
3545 MaxNbOfIterations, MaxAspectRatio, Method):
3546 if ( isinstance( theObject, Mesh )):
3547 theObject = theObject.GetMesh()
3548 return self.editor.SmoothObject(theObject, IDsOfFixedNodes,
3549 MaxNbOfIterations, MaxAspectRatio, Method)
3551 ## Parametrically smoothes the given elements
3552 # @param IDsOfElements the list if ids of elements to smooth
3553 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3554 # Note that nodes built on edges and boundary nodes are always fixed.
3555 # @param MaxNbOfIterations the maximum number of iterations
3556 # @param MaxAspectRatio varies in range [1.0, inf]
3557 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3558 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3559 # @return TRUE in case of success, FALSE otherwise.
3560 # @ingroup l2_modif_smooth
3561 def SmoothParametric(self, IDsOfElements, IDsOfFixedNodes,
3562 MaxNbOfIterations, MaxAspectRatio, Method):
3563 if IDsOfElements == []:
3564 IDsOfElements = self.GetElementsId()
3565 MaxNbOfIterations,MaxAspectRatio,Parameters,hasVars = ParseParameters(MaxNbOfIterations,MaxAspectRatio)
3566 self.mesh.SetParameters(Parameters)
3567 return self.editor.SmoothParametric(IDsOfElements, IDsOfFixedNodes,
3568 MaxNbOfIterations, MaxAspectRatio, Method)
3570 ## Parametrically smoothes the elements which belong to the given object
3571 # @param theObject the object to smooth
3572 # @param IDsOfFixedNodes the list of ids of fixed nodes.
3573 # Note that nodes built on edges and boundary nodes are always fixed.
3574 # @param MaxNbOfIterations the maximum number of iterations
3575 # @param MaxAspectRatio varies in range [1.0, inf]
3576 # @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
3577 # or Centroidal (smesh.CENTROIDAL_SMOOTH)
3578 # @return TRUE in case of success, FALSE otherwise.
3579 # @ingroup l2_modif_smooth
3580 def SmoothParametricObject(self, theObject, IDsOfFixedNodes,
3581 MaxNbOfIterations, MaxAspectRatio, Method):
3582 if ( isinstance( theObject, Mesh )):
3583 theObject = theObject.GetMesh()
3584 return self.editor.SmoothParametricObject(theObject, IDsOfFixedNodes,
3585 MaxNbOfIterations, MaxAspectRatio, Method)
3587 ## Converts the mesh to quadratic or bi-quadratic, deletes old elements, replacing
3588 # them with quadratic with the same id.
3589 # @param theForce3d new node creation method:
3590 # 0 - the medium node lies at the geometrical entity from which the mesh element is built
3591 # 1 - the medium node lies at the middle of the line segments connecting two nodes of a mesh element
3592 # @param theSubMesh a group or a sub-mesh to convert; WARNING: in this case the mesh can become not conformal
3593 # @param theToBiQuad If True, converts the mesh to bi-quadratic
3594 # @ingroup l2_modif_tofromqu
3595 def ConvertToQuadratic(self, theForce3d=False, theSubMesh=None, theToBiQuad=False):
3596 if isinstance( theSubMesh, Mesh ):
3597 theSubMesh = theSubMesh.mesh
3599 self.editor.ConvertToBiQuadratic(theForce3d,theSubMesh)
3602 self.editor.ConvertToQuadraticObject(theForce3d,theSubMesh)
3604 self.editor.ConvertToQuadratic(theForce3d)
3605 error = self.editor.GetLastError()
3606 if error and error.comment:
3609 ## Converts the mesh from quadratic to ordinary,
3610 # deletes old quadratic elements, \n replacing
3611 # them with ordinary mesh elements with the same id.
3612 # @param theSubMesh a group or a sub-mesh to convert; WARNING: in this case the mesh can become not conformal
3613 # @ingroup l2_modif_tofromqu
3614 def ConvertFromQuadratic(self, theSubMesh=None):
3616 self.editor.ConvertFromQuadraticObject(theSubMesh)
3618 return self.editor.ConvertFromQuadratic()
3620 ## Creates 2D mesh as skin on boundary faces of a 3D mesh
3621 # @return TRUE if operation has been completed successfully, FALSE otherwise
3622 # @ingroup l2_modif_edit
3623 def Make2DMeshFrom3D(self):
3624 return self.editor.Make2DMeshFrom3D()
3626 ## Creates missing boundary elements
3627 # @param elements - elements whose boundary is to be checked:
3628 # mesh, group, sub-mesh or list of elements
3629 # if elements is mesh, it must be the mesh whose MakeBoundaryMesh() is called
3630 # @param dimension - defines type of boundary elements to create, either of
3631 # { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
3632 # SMESH.BND_1DFROM3D creates mesh edges on all borders of free facets of 3D cells
3633 # @param groupName - a name of group to store created boundary elements in,
3634 # "" means not to create the group
3635 # @param meshName - a name of new mesh to store created boundary elements in,
3636 # "" means not to create the new mesh
3637 # @param toCopyElements - if true, the checked elements will be copied into
3638 # the new mesh else only boundary elements will be copied into the new mesh
3639 # @param toCopyExistingBondary - if true, not only new but also pre-existing
3640 # boundary elements will be copied into the new mesh
3641 # @return tuple (mesh, group) where boundary elements were added to
3642 # @ingroup l2_modif_edit
3643 def MakeBoundaryMesh(self, elements, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
3644 toCopyElements=False, toCopyExistingBondary=False):
3645 unRegister = genObjUnRegister()
3646 if isinstance( elements, Mesh ):
3647 elements = elements.GetMesh()
3648 if ( isinstance( elements, list )):
3649 elemType = SMESH.ALL
3650 if elements: elemType = self.GetElementType( elements[0], iselem=True)
3651 elements = self.editor.MakeIDSource(elements, elemType)
3652 unRegister.set( elements )
3653 mesh, group = self.editor.MakeBoundaryMesh(elements,dimension,groupName,meshName,
3654 toCopyElements,toCopyExistingBondary)
3655 if mesh: mesh = self.smeshpyD.Mesh(mesh)
3659 # @brief Creates missing boundary elements around either the whole mesh or
3660 # groups of elements
3661 # @param dimension - defines type of boundary elements to create, either of
3662 # { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
3663 # @param groupName - a name of group to store all boundary elements in,
3664 # "" means not to create the group
3665 # @param meshName - a name of a new mesh, which is a copy of the initial
3666 # mesh + created boundary elements; "" means not to create the new mesh
3667 # @param toCopyAll - if true, the whole initial mesh will be copied into
3668 # the new mesh else only boundary elements will be copied into the new mesh
3669 # @param groups - groups of elements to make boundary around
3670 # @retval tuple( long, mesh, groups )
3671 # long - number of added boundary elements
3672 # mesh - the mesh where elements were added to
3673 # group - the group of boundary elements or None
3675 def MakeBoundaryElements(self, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
3676 toCopyAll=False, groups=[]):
3677 nb, mesh, group = self.editor.MakeBoundaryElements(dimension,groupName,meshName,
3679 if mesh: mesh = self.smeshpyD.Mesh(mesh)
3680 return nb, mesh, group
3682 ## Renumber mesh nodes (Obsolete, does nothing)
3683 # @ingroup l2_modif_renumber
3684 def RenumberNodes(self):
3685 self.editor.RenumberNodes()
3687 ## Renumber mesh elements (Obsole, does nothing)
3688 # @ingroup l2_modif_renumber
3689 def RenumberElements(self):
3690 self.editor.RenumberElements()
3692 ## Private method converting \a arg into a list of SMESH_IdSource's
3693 def _getIdSourceList(self, arg, idType, unRegister):
3694 if arg and isinstance( arg, list ):
3695 if isinstance( arg[0], int ):
3696 arg = self.GetIDSource( arg, idType )
3697 unRegister.set( arg )
3698 elif isinstance( arg[0], Mesh ):
3699 arg[0] = arg[0].GetMesh()
3700 elif isinstance( arg, Mesh ):
3702 if arg and isinstance( arg, SMESH._objref_SMESH_IDSource ):
3706 ## Generates new elements by rotation of the given elements and nodes around the axis
3707 # @param nodes - nodes to revolve: a list including ids, groups, sub-meshes or a mesh
3708 # @param edges - edges to revolve: a list including ids, groups, sub-meshes or a mesh
3709 # @param faces - faces to revolve: a list including ids, groups, sub-meshes or a mesh
3710 # @param Axis the axis of rotation: AxisStruct, line (geom object) or [x,y,z,dx,dy,dz]
3711 # @param AngleInRadians the angle of Rotation (in radians) or a name of variable
3712 # which defines angle in degrees
3713 # @param NbOfSteps the number of steps
3714 # @param Tolerance tolerance
3715 # @param MakeGroups forces the generation of new groups from existing ones
3716 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3717 # of all steps, else - size of each step
3718 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3719 # @ingroup l2_modif_extrurev
3720 def RotationSweepObjects(self, nodes, edges, faces, Axis, AngleInRadians, NbOfSteps, Tolerance,
3721 MakeGroups=False, TotalAngle=False):
3722 unRegister = genObjUnRegister()
3723 nodes = self._getIdSourceList( nodes, SMESH.NODE, unRegister )
3724 edges = self._getIdSourceList( edges, SMESH.EDGE, unRegister )
3725 faces = self._getIdSourceList( faces, SMESH.FACE, unRegister )
3727 if isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object):
3728 Axis = self.smeshpyD.GetAxisStruct( Axis )
3729 if isinstance( Axis, list ):
3730 Axis = SMESH.AxisStruct( *Axis )
3732 AngleInRadians,AngleParameters,hasVars = ParseAngles(AngleInRadians)
3733 NbOfSteps,Tolerance,Parameters,hasVars = ParseParameters(NbOfSteps,Tolerance)
3734 Parameters = Axis.parameters + var_separator + AngleParameters + var_separator + Parameters
3735 self.mesh.SetParameters(Parameters)
3736 if TotalAngle and NbOfSteps:
3737 AngleInRadians /= NbOfSteps
3738 return self.editor.RotationSweepObjects( nodes, edges, faces,
3739 Axis, AngleInRadians,
3740 NbOfSteps, Tolerance, MakeGroups)
3742 ## Generates new elements by rotation of the elements around the axis
3743 # @param IDsOfElements the list of ids of elements to sweep
3744 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3745 # @param AngleInRadians the angle of Rotation (in radians) or a name of variable which defines angle in degrees
3746 # @param NbOfSteps the number of steps
3747 # @param Tolerance tolerance
3748 # @param MakeGroups forces the generation of new groups from existing ones
3749 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3750 # of all steps, else - size of each step
3751 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3752 # @ingroup l2_modif_extrurev
3753 def RotationSweep(self, IDsOfElements, Axis, AngleInRadians, NbOfSteps, Tolerance,
3754 MakeGroups=False, TotalAngle=False):
3755 return self.RotationSweepObjects([], IDsOfElements, IDsOfElements, Axis,
3756 AngleInRadians, NbOfSteps, Tolerance,
3757 MakeGroups, TotalAngle)
3759 ## Generates new elements by rotation of the elements of object around the axis
3760 # @param theObject object which elements should be sweeped.
3761 # It can be a mesh, a sub mesh or a group.
3762 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3763 # @param AngleInRadians the angle of Rotation
3764 # @param NbOfSteps number of steps
3765 # @param Tolerance tolerance
3766 # @param MakeGroups forces the generation of new groups from existing ones
3767 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3768 # of all steps, else - size of each step
3769 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3770 # @ingroup l2_modif_extrurev
3771 def RotationSweepObject(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
3772 MakeGroups=False, TotalAngle=False):
3773 return self.RotationSweepObjects( [], theObject, theObject, Axis,
3774 AngleInRadians, NbOfSteps, Tolerance,
3775 MakeGroups, TotalAngle )
3777 ## Generates new elements by rotation of the elements of object around the axis
3778 # @param theObject object which elements should be sweeped.
3779 # It can be a mesh, a sub mesh or a group.
3780 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3781 # @param AngleInRadians the angle of Rotation
3782 # @param NbOfSteps number of steps
3783 # @param Tolerance tolerance
3784 # @param MakeGroups forces the generation of new groups from existing ones
3785 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3786 # of all steps, else - size of each step
3787 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3788 # @ingroup l2_modif_extrurev
3789 def RotationSweepObject1D(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
3790 MakeGroups=False, TotalAngle=False):
3791 return self.RotationSweepObjects([],theObject,[], Axis,
3792 AngleInRadians, NbOfSteps, Tolerance,
3793 MakeGroups, TotalAngle)
3795 ## Generates new elements by rotation of the elements of object around the axis
3796 # @param theObject object which elements should be sweeped.
3797 # It can be a mesh, a sub mesh or a group.
3798 # @param Axis the axis of rotation, AxisStruct or line(geom object)
3799 # @param AngleInRadians the angle of Rotation
3800 # @param NbOfSteps number of steps
3801 # @param Tolerance tolerance
3802 # @param MakeGroups forces the generation of new groups from existing ones
3803 # @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
3804 # of all steps, else - size of each step
3805 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3806 # @ingroup l2_modif_extrurev
3807 def RotationSweepObject2D(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
3808 MakeGroups=False, TotalAngle=False):
3809 return self.RotationSweepObjects([],[],theObject, Axis, AngleInRadians,
3810 NbOfSteps, Tolerance, MakeGroups, TotalAngle)
3812 ## Generates new elements by extrusion of the given elements and nodes
3813 # @param nodes - nodes to extrude: a list including ids, groups, sub-meshes or a mesh
3814 # @param edges - edges to extrude: a list including ids, groups, sub-meshes or a mesh
3815 # @param faces - faces to extrude: a list including ids, groups, sub-meshes or a mesh
3816 # @param StepVector vector or DirStruct or 3 vector components, defining
3817 # the direction and value of extrusion for one step (the total extrusion
3818 # length will be NbOfSteps * ||StepVector||)
3819 # @param NbOfSteps the number of steps
3820 # @param MakeGroups forces the generation of new groups from existing ones
3821 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3822 # @ingroup l2_modif_extrurev
3823 def ExtrusionSweepObjects(self, nodes, edges, faces, StepVector, NbOfSteps, MakeGroups=False):
3824 unRegister = genObjUnRegister()
3825 nodes = self._getIdSourceList( nodes, SMESH.NODE, unRegister )
3826 edges = self._getIdSourceList( edges, SMESH.EDGE, unRegister )
3827 faces = self._getIdSourceList( faces, SMESH.FACE, unRegister )
3829 if isinstance( StepVector, geomBuilder.GEOM._objref_GEOM_Object):
3830 StepVector = self.smeshpyD.GetDirStruct(StepVector)
3831 if isinstance( StepVector, list ):
3832 StepVector = self.smeshpyD.MakeDirStruct(*StepVector)
3834 NbOfSteps,Parameters,hasVars = ParseParameters(NbOfSteps)
3835 Parameters = StepVector.PS.parameters + var_separator + Parameters
3836 self.mesh.SetParameters(Parameters)
3838 return self.editor.ExtrusionSweepObjects( nodes, edges, faces,
3839 StepVector, NbOfSteps, MakeGroups)
3842 ## Generates new elements by extrusion of the elements with given ids
3843 # @param IDsOfElements the list of ids of elements or nodes for extrusion
3844 # @param StepVector vector or DirStruct or 3 vector components, defining
3845 # the direction and value of extrusion for one step (the total extrusion
3846 # length will be NbOfSteps * ||StepVector||)
3847 # @param NbOfSteps the number of steps
3848 # @param MakeGroups forces the generation of new groups from existing ones
3849 # @param IsNodes is True if elements with given ids are nodes
3850 # @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3851 # @ingroup l2_modif_extrurev
3852 def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps, MakeGroups=False, IsNodes = False):
3854 if IsNodes: n = IDsOfElements
3855 else : e,f, = IDsOfElements,IDsOfElements
3856 return self.ExtrusionSweepObjects(n,e,f, StepVector, NbOfSteps, MakeGroups)
3858 ## Generates new elements by extrusion along the normal to a discretized surface or wire
3859 # @param Elements elements to extrude - a list including ids, groups, sub-meshes or a mesh.
3860 # Only faces can be extruded so far. A sub-mesh should be a sub-mesh on geom faces.
3861 # @param StepSize length of one extrusion step (the total extrusion
3862 # length will be \a NbOfSteps * \a StepSize ).
3863 # @param NbOfSteps number of extrusion steps.
3864 # @param ByAverageNormal if True each node is translated by \a StepSize
3865 # along the average of the normal vectors to the faces sharing the node;
3866 # else each node is translated along the same average normal till
3867 # intersection with the plane got by translation of the face sharing
3868 # the node along its own normal by \a StepSize.
3869 # @param UseInputElemsOnly to use only \a Elements when computing extrusion direction
3870 # for every node of \a Elements.
3871 # @param MakeGroups forces generation of new groups from existing ones.
3872 # @param Dim dimension of elements to extrude: 2 - faces or 1 - edges. Extrusion of edges
3873 # is not yet implemented. This parameter is used if \a Elements contains
3874 # both faces and edges, i.e. \a Elements is a Mesh.
3875 # @return the list of created groups (SMESH_GroupBase) if \a MakeGroups=True,
3876 # empty list otherwise.
3877 # @ingroup l2_modif_extrurev
3878 def ExtrusionByNormal(self, Elements, StepSize, NbOfSteps,
3879 ByAverageNormal=False, UseInputElemsOnly=True, MakeGroups=False, Dim = 2):
3880 unRegister = genObjUnRegister()
3881 if isinstance( Elements, Mesh ):
3882 Elements = [ Elements.GetMesh() ]
3883 if isinstance( Elements, list ):
3885 raise RuntimeError, "Elements empty!"
3886 if isinstance( Elements[0], int ):
3887 Elements = self.GetIDSource( Elements, SMESH.ALL )
3888 unRegister.set( Elements )
3889 if not isinstance( Elements, list ):
3890 Elements = [ Elements ]
3891 StepSize,NbOfSteps,Parameters,hasVars = ParseParameters(StepSize,NbOfSteps)
3892 self.mesh.SetParameters(Parameters)
3893 return self.editor.ExtrusionByNormal(Elements, StepSize, NbOfSteps,
3894 ByAverageNormal, UseInputElemsOnly, MakeGroups, Dim)
3896 ## Generates new elements by extrusion of the elements or nodes which belong to the object
3897 # @param theObject the object whose elements or nodes should be processed.
3898 # It can be a mesh, a sub-mesh or a group.
3899 # @param StepVector vector or DirStruct or 3 vector components, defining
3900 # the direction and value of extrusion for one step (the total extrusion
3901 # length will be NbOfSteps * ||StepVector||)
3902 # @param NbOfSteps the number of steps
3903 # @param MakeGroups forces the generation of new groups from existing ones
3904 # @param IsNodes is True if elements to extrude are nodes
3905 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3906 # @ingroup l2_modif_extrurev
3907 def ExtrusionSweepObject(self, theObject, StepVector, NbOfSteps, MakeGroups=False, IsNodes=False):
3909 if IsNodes: n = theObject
3910 else : e,f, = theObject,theObject
3911 return self.ExtrusionSweepObjects(n,e,f, StepVector, NbOfSteps, MakeGroups)
3913 ## Generates new elements by extrusion of edges which belong to the object
3914 # @param theObject object whose 1D elements should be processed.
3915 # It can be a mesh, a sub-mesh or a group.
3916 # @param StepVector vector or DirStruct or 3 vector components, defining
3917 # the direction and value of extrusion for one step (the total extrusion
3918 # length will be NbOfSteps * ||StepVector||)
3919 # @param NbOfSteps the number of steps
3920 # @param MakeGroups to generate new groups from existing ones
3921 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3922 # @ingroup l2_modif_extrurev
3923 def ExtrusionSweepObject1D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
3924 return self.ExtrusionSweepObjects([],theObject,[], StepVector, NbOfSteps, MakeGroups)
3926 ## Generates new elements by extrusion of faces which belong to the object
3927 # @param theObject object whose 2D elements should be processed.
3928 # It can be a mesh, a sub-mesh or a group.
3929 # @param StepVector vector or DirStruct or 3 vector components, defining
3930 # the direction and value of extrusion for one step (the total extrusion
3931 # length will be NbOfSteps * ||StepVector||)
3932 # @param NbOfSteps the number of steps
3933 # @param MakeGroups forces the generation of new groups from existing ones
3934 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3935 # @ingroup l2_modif_extrurev
3936 def ExtrusionSweepObject2D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
3937 return self.ExtrusionSweepObjects([],[],theObject, StepVector, NbOfSteps, MakeGroups)
3939 ## Generates new elements by extrusion of the elements with given ids
3940 # @param IDsOfElements is ids of elements
3941 # @param StepVector vector or DirStruct or 3 vector components, defining
3942 # the direction and value of extrusion for one step (the total extrusion
3943 # length will be NbOfSteps * ||StepVector||)
3944 # @param NbOfSteps the number of steps
3945 # @param ExtrFlags sets flags for extrusion
3946 # @param SewTolerance uses for comparing locations of nodes if flag
3947 # EXTRUSION_FLAG_SEW is set
3948 # @param MakeGroups forces the generation of new groups from existing ones
3949 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
3950 # @ingroup l2_modif_extrurev
3951 def AdvancedExtrusion(self, IDsOfElements, StepVector, NbOfSteps,
3952 ExtrFlags, SewTolerance, MakeGroups=False):
3953 if isinstance( StepVector, geomBuilder.GEOM._objref_GEOM_Object):
3954 StepVector = self.smeshpyD.GetDirStruct(StepVector)
3955 if isinstance( StepVector, list ):
3956 StepVector = self.smeshpyD.MakeDirStruct(*StepVector)
3957 return self.editor.AdvancedExtrusion(IDsOfElements, StepVector, NbOfSteps,
3958 ExtrFlags, SewTolerance, MakeGroups)
3960 ## Generates new elements by extrusion of the given elements and nodes along the path.
3961 # The path of extrusion must be a meshed edge.
3962 # @param Nodes nodes to extrude: a list including ids, groups, sub-meshes or a mesh
3963 # @param Edges edges to extrude: a list including ids, groups, sub-meshes or a mesh
3964 # @param Faces faces to extrude: a list including ids, groups, sub-meshes or a mesh
3965 # @param PathMesh 1D mesh or 1D sub-mesh, along which proceeds the extrusion
3966 # @param PathShape shape (edge) defines the sub-mesh of PathMesh if PathMesh
3967 # contains not only path segments, else it can be None
3968 # @param NodeStart the first or the last node on the path. Defines the direction of extrusion
3969 # @param HasAngles allows the shape to be rotated around the path
3970 # to get the resulting mesh in a helical fashion
3971 # @param Angles list of angles
3972 # @param LinearVariation forces the computation of rotation angles as linear
3973 # variation of the given Angles along path steps
3974 # @param HasRefPoint allows using the reference point
3975 # @param RefPoint the point around which the shape is rotated (the mass center of the
3976 # shape by default). The User can specify any point as the Reference Point.
3977 # @param MakeGroups forces the generation of new groups from existing ones
3978 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error
3979 # @ingroup l2_modif_extrurev
3980 def ExtrusionAlongPathObjects(self, Nodes, Edges, Faces, PathMesh, PathShape=None,
3981 NodeStart=1, HasAngles=False, Angles=[], LinearVariation=False,
3982 HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False):
3983 unRegister = genObjUnRegister()
3984 Nodes = self._getIdSourceList( Nodes, SMESH.NODE, unRegister )
3985 Edges = self._getIdSourceList( Edges, SMESH.EDGE, unRegister )
3986 Faces = self._getIdSourceList( Faces, SMESH.FACE, unRegister )
3988 if isinstance( RefPoint, geomBuilder.GEOM._objref_GEOM_Object):
3989 RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
3990 if isinstance( RefPoint, list ):
3991 if not RefPoint: RefPoint = [0,0,0]
3992 RefPoint = SMESH.PointStruct( *RefPoint )
3993 if isinstance( PathMesh, Mesh ):
3994 PathMesh = PathMesh.GetMesh()
3995 Angles,AnglesParameters,hasVars = ParseAngles(Angles)
3996 Parameters = AnglesParameters + var_separator + RefPoint.parameters
3997 self.mesh.SetParameters(Parameters)
3998 return self.editor.ExtrusionAlongPathObjects(Nodes, Edges, Faces,
3999 PathMesh, PathShape, NodeStart,
4000 HasAngles, Angles, LinearVariation,
4001 HasRefPoint, RefPoint, MakeGroups)
4003 ## Generates new elements by extrusion of the given elements
4004 # The path of extrusion must be a meshed edge.
4005 # @param Base mesh or group, or sub-mesh, or list of ids of elements for extrusion
4006 # @param Path - 1D mesh or 1D sub-mesh, along which proceeds the extrusion
4007 # @param NodeStart the start node from Path. Defines the direction of extrusion
4008 # @param HasAngles allows the shape to be rotated around the path
4009 # to get the resulting mesh in a helical fashion
4010 # @param Angles list of angles in radians
4011 # @param LinearVariation forces the computation of rotation angles as linear
4012 # variation of the given Angles along path steps
4013 # @param HasRefPoint allows using the reference point
4014 # @param RefPoint the point around which the elements are rotated (the mass
4015 # center of the elements by default).
4016 # The User can specify any point as the Reference Point.
4017 # RefPoint can be either GEOM Vertex, [x,y,z] or SMESH.PointStruct
4018 # @param MakeGroups forces the generation of new groups from existing ones
4019 # @param ElemType type of elements for extrusion (if param Base is a mesh)
4020 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4021 # only SMESH::Extrusion_Error otherwise
4022 # @ingroup l2_modif_extrurev
4023 def ExtrusionAlongPathX(self, Base, Path, NodeStart,
4024 HasAngles=False, Angles=[], LinearVariation=False,
4025 HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False,
4026 ElemType=SMESH.FACE):
4028 if ElemType == SMESH.NODE: n = Base
4029 if ElemType == SMESH.EDGE: e = Base
4030 if ElemType == SMESH.FACE: f = Base
4031 gr,er = self.ExtrusionAlongPathObjects(n,e,f, Path, None, NodeStart,
4032 HasAngles, Angles, LinearVariation,
4033 HasRefPoint, RefPoint, MakeGroups)
4034 if MakeGroups: return gr,er
4037 ## Generates new elements by extrusion of the given elements
4038 # The path of extrusion must be a meshed edge.
4039 # @param IDsOfElements ids of elements
4040 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
4041 # @param PathShape shape(edge) defines the sub-mesh for the path
4042 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4043 # @param HasAngles allows the shape to be rotated around the path
4044 # to get the resulting mesh in a helical fashion
4045 # @param Angles list of angles in radians
4046 # @param HasRefPoint allows using the reference point
4047 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4048 # The User can specify any point as the Reference Point.
4049 # @param MakeGroups forces the generation of new groups from existing ones
4050 # @param LinearVariation forces the computation of rotation angles as linear
4051 # variation of the given Angles along path steps
4052 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4053 # only SMESH::Extrusion_Error otherwise
4054 # @ingroup l2_modif_extrurev
4055 def ExtrusionAlongPath(self, IDsOfElements, PathMesh, PathShape, NodeStart,
4056 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4057 MakeGroups=False, LinearVariation=False):
4058 n,e,f = [],IDsOfElements,IDsOfElements
4059 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape,
4060 NodeStart, HasAngles, Angles,
4062 HasRefPoint, RefPoint, MakeGroups)
4063 if MakeGroups: return gr,er
4066 ## Generates new elements by extrusion of the elements which belong to the object
4067 # The path of extrusion must be a meshed edge.
4068 # @param theObject the object whose elements should be processed.
4069 # It can be a mesh, a sub-mesh or a group.
4070 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
4071 # @param PathShape shape(edge) defines the sub-mesh for the path
4072 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4073 # @param HasAngles allows the shape to be rotated around the path
4074 # to get the resulting mesh in a helical fashion
4075 # @param Angles list of angles
4076 # @param HasRefPoint allows using the reference point
4077 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4078 # The User can specify any point as the Reference Point.
4079 # @param MakeGroups forces the generation of new groups from existing ones
4080 # @param LinearVariation forces the computation of rotation angles as linear
4081 # variation of the given Angles along path steps
4082 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4083 # only SMESH::Extrusion_Error otherwise
4084 # @ingroup l2_modif_extrurev
4085 def ExtrusionAlongPathObject(self, theObject, PathMesh, PathShape, NodeStart,
4086 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4087 MakeGroups=False, LinearVariation=False):
4088 n,e,f = [],theObject,theObject
4089 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
4090 HasAngles, Angles, LinearVariation,
4091 HasRefPoint, RefPoint, MakeGroups)
4092 if MakeGroups: return gr,er
4095 ## Generates new elements by extrusion of mesh segments which belong to the object
4096 # The path of extrusion must be a meshed edge.
4097 # @param theObject the object whose 1D elements should be processed.
4098 # It can be a mesh, a sub-mesh or a group.
4099 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
4100 # @param PathShape shape(edge) defines the sub-mesh for the path
4101 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4102 # @param HasAngles allows the shape to be rotated around the path
4103 # to get the resulting mesh in a helical fashion
4104 # @param Angles list of angles
4105 # @param HasRefPoint allows using the reference point
4106 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4107 # The User can specify any point as the Reference Point.
4108 # @param MakeGroups forces the generation of new groups from existing ones
4109 # @param LinearVariation forces the computation of rotation angles as linear
4110 # variation of the given Angles along path steps
4111 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4112 # only SMESH::Extrusion_Error otherwise
4113 # @ingroup l2_modif_extrurev
4114 def ExtrusionAlongPathObject1D(self, theObject, PathMesh, PathShape, NodeStart,
4115 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4116 MakeGroups=False, LinearVariation=False):
4117 n,e,f = [],theObject,[]
4118 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
4119 HasAngles, Angles, LinearVariation,
4120 HasRefPoint, RefPoint, MakeGroups)
4121 if MakeGroups: return gr,er
4124 ## Generates new elements by extrusion of faces which belong to the object
4125 # The path of extrusion must be a meshed edge.
4126 # @param theObject the object whose 2D elements should be processed.
4127 # It can be a mesh, a sub-mesh or a group.
4128 # @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
4129 # @param PathShape shape(edge) defines the sub-mesh for the path
4130 # @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
4131 # @param HasAngles allows the shape to be rotated around the path
4132 # to get the resulting mesh in a helical fashion
4133 # @param Angles list of angles
4134 # @param HasRefPoint allows using the reference point
4135 # @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
4136 # The User can specify any point as the Reference Point.
4137 # @param MakeGroups forces the generation of new groups from existing ones
4138 # @param LinearVariation forces the computation of rotation angles as linear
4139 # variation of the given Angles along path steps
4140 # @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
4141 # only SMESH::Extrusion_Error otherwise
4142 # @ingroup l2_modif_extrurev
4143 def ExtrusionAlongPathObject2D(self, theObject, PathMesh, PathShape, NodeStart,
4144 HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
4145 MakeGroups=False, LinearVariation=False):
4146 n,e,f = [],[],theObject
4147 gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
4148 HasAngles, Angles, LinearVariation,
4149 HasRefPoint, RefPoint, MakeGroups)
4150 if MakeGroups: return gr,er
4153 ## Creates a symmetrical copy of mesh elements
4154 # @param IDsOfElements list of elements ids
4155 # @param Mirror is AxisStruct or geom object(point, line, plane)
4156 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4157 # If the Mirror is a geom object this parameter is unnecessary
4158 # @param Copy allows to copy element (Copy is 1) or to replace with its mirroring (Copy is 0)
4159 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4160 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4161 # @ingroup l2_modif_trsf
4162 def Mirror(self, IDsOfElements, Mirror, theMirrorType=None, Copy=0, MakeGroups=False):
4163 if IDsOfElements == []:
4164 IDsOfElements = self.GetElementsId()
4165 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4166 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4167 theMirrorType = Mirror._mirrorType
4169 self.mesh.SetParameters(Mirror.parameters)
4170 if Copy and MakeGroups:
4171 return self.editor.MirrorMakeGroups(IDsOfElements, Mirror, theMirrorType)
4172 self.editor.Mirror(IDsOfElements, Mirror, theMirrorType, Copy)
4175 ## Creates a new mesh by a symmetrical copy of mesh elements
4176 # @param IDsOfElements the list of elements ids
4177 # @param Mirror is AxisStruct or geom object (point, line, plane)
4178 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4179 # If the Mirror is a geom object this parameter is unnecessary
4180 # @param MakeGroups to generate new groups from existing ones
4181 # @param NewMeshName a name of the new mesh to create
4182 # @return instance of Mesh class
4183 # @ingroup l2_modif_trsf
4184 def MirrorMakeMesh(self, IDsOfElements, Mirror, theMirrorType=0, MakeGroups=0, NewMeshName=""):
4185 if IDsOfElements == []:
4186 IDsOfElements = self.GetElementsId()
4187 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4188 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4189 theMirrorType = Mirror._mirrorType
4191 self.mesh.SetParameters(Mirror.parameters)
4192 mesh = self.editor.MirrorMakeMesh(IDsOfElements, Mirror, theMirrorType,
4193 MakeGroups, NewMeshName)
4194 return Mesh(self.smeshpyD,self.geompyD,mesh)
4196 ## Creates a symmetrical copy of the object
4197 # @param theObject mesh, submesh or group
4198 # @param Mirror AxisStruct or geom object (point, line, plane)
4199 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4200 # If the Mirror is a geom object this parameter is unnecessary
4201 # @param Copy allows copying the element (Copy is 1) or replacing it with its mirror (Copy is 0)
4202 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4203 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4204 # @ingroup l2_modif_trsf
4205 def MirrorObject (self, theObject, Mirror, theMirrorType=None, Copy=0, MakeGroups=False):
4206 if ( isinstance( theObject, Mesh )):
4207 theObject = theObject.GetMesh()
4208 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4209 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4210 theMirrorType = Mirror._mirrorType
4212 self.mesh.SetParameters(Mirror.parameters)
4213 if Copy and MakeGroups:
4214 return self.editor.MirrorObjectMakeGroups(theObject, Mirror, theMirrorType)
4215 self.editor.MirrorObject(theObject, Mirror, theMirrorType, Copy)
4218 ## Creates a new mesh by a symmetrical copy of the object
4219 # @param theObject mesh, submesh or group
4220 # @param Mirror AxisStruct or geom object (point, line, plane)
4221 # @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
4222 # If the Mirror is a geom object this parameter is unnecessary
4223 # @param MakeGroups forces the generation of new groups from existing ones
4224 # @param NewMeshName the name of the new mesh to create
4225 # @return instance of Mesh class
4226 # @ingroup l2_modif_trsf
4227 def MirrorObjectMakeMesh (self, theObject, Mirror, theMirrorType=0,MakeGroups=0,NewMeshName=""):
4228 if ( isinstance( theObject, Mesh )):
4229 theObject = theObject.GetMesh()
4230 if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
4231 Mirror = self.smeshpyD.GetAxisStruct(Mirror)
4232 theMirrorType = Mirror._mirrorType
4234 self.mesh.SetParameters(Mirror.parameters)
4235 mesh = self.editor.MirrorObjectMakeMesh(theObject, Mirror, theMirrorType,
4236 MakeGroups, NewMeshName)
4237 return Mesh( self.smeshpyD,self.geompyD,mesh )
4239 ## Translates the elements
4240 # @param IDsOfElements list of elements ids
4241 # @param Vector the direction of translation (DirStruct or vector or 3 vector components)
4242 # @param Copy allows copying the translated elements
4243 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4244 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4245 # @ingroup l2_modif_trsf
4246 def Translate(self, IDsOfElements, Vector, Copy, MakeGroups=False):
4247 if IDsOfElements == []:
4248 IDsOfElements = self.GetElementsId()
4249 if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
4250 Vector = self.smeshpyD.GetDirStruct(Vector)
4251 if isinstance( Vector, list ):
4252 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4253 self.mesh.SetParameters(Vector.PS.parameters)
4254 if Copy and MakeGroups:
4255 return self.editor.TranslateMakeGroups(IDsOfElements, Vector)
4256 self.editor.Translate(IDsOfElements, Vector, Copy)
4259 ## Creates a new mesh of translated elements
4260 # @param IDsOfElements list of elements ids
4261 # @param Vector the direction of translation (DirStruct or vector or 3 vector components)
4262 # @param MakeGroups forces the generation of new groups from existing ones
4263 # @param NewMeshName the name of the newly created mesh
4264 # @return instance of Mesh class
4265 # @ingroup l2_modif_trsf
4266 def TranslateMakeMesh(self, IDsOfElements, Vector, MakeGroups=False, NewMeshName=""):
4267 if IDsOfElements == []:
4268 IDsOfElements = self.GetElementsId()
4269 if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
4270 Vector = self.smeshpyD.GetDirStruct(Vector)
4271 if isinstance( Vector, list ):
4272 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4273 self.mesh.SetParameters(Vector.PS.parameters)
4274 mesh = self.editor.TranslateMakeMesh(IDsOfElements, Vector, MakeGroups, NewMeshName)
4275 return Mesh ( self.smeshpyD, self.geompyD, mesh )
4277 ## Translates the object
4278 # @param theObject the object to translate (mesh, submesh, or group)
4279 # @param Vector direction of translation (DirStruct or geom vector or 3 vector components)
4280 # @param Copy allows copying the translated elements
4281 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4282 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4283 # @ingroup l2_modif_trsf
4284 def TranslateObject(self, theObject, Vector, Copy, MakeGroups=False):
4285 if ( isinstance( theObject, Mesh )):
4286 theObject = theObject.GetMesh()
4287 if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
4288 Vector = self.smeshpyD.GetDirStruct(Vector)
4289 if isinstance( Vector, list ):
4290 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4291 self.mesh.SetParameters(Vector.PS.parameters)
4292 if Copy and MakeGroups:
4293 return self.editor.TranslateObjectMakeGroups(theObject, Vector)
4294 self.editor.TranslateObject(theObject, Vector, Copy)
4297 ## Creates a new mesh from the translated object
4298 # @param theObject the object to translate (mesh, submesh, or group)
4299 # @param Vector the direction of translation (DirStruct or geom vector or 3 vector components)
4300 # @param MakeGroups forces the generation of new groups from existing ones
4301 # @param NewMeshName the name of the newly created mesh
4302 # @return instance of Mesh class
4303 # @ingroup l2_modif_trsf
4304 def TranslateObjectMakeMesh(self, theObject, Vector, MakeGroups=False, NewMeshName=""):
4305 if isinstance( theObject, Mesh ):
4306 theObject = theObject.GetMesh()
4307 if isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object ):
4308 Vector = self.smeshpyD.GetDirStruct(Vector)
4309 if isinstance( Vector, list ):
4310 Vector = self.smeshpyD.MakeDirStruct(*Vector)
4311 self.mesh.SetParameters(Vector.PS.parameters)
4312 mesh = self.editor.TranslateObjectMakeMesh(theObject, Vector, MakeGroups, NewMeshName)
4313 return Mesh( self.smeshpyD, self.geompyD, mesh )
4317 ## Scales the object
4318 # @param theObject - the object to translate (mesh, submesh, or group)
4319 # @param thePoint - base point for scale (SMESH.PointStruct or list of 3 coordinates)
4320 # @param theScaleFact - list of 1-3 scale factors for axises
4321 # @param Copy - allows copying the translated elements
4322 # @param MakeGroups - forces the generation of new groups from existing
4324 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True,
4325 # empty list otherwise
4326 def Scale(self, theObject, thePoint, theScaleFact, Copy, MakeGroups=False):
4327 unRegister = genObjUnRegister()
4328 if ( isinstance( theObject, Mesh )):
4329 theObject = theObject.GetMesh()
4330 if ( isinstance( theObject, list )):
4331 theObject = self.GetIDSource(theObject, SMESH.ALL)
4332 unRegister.set( theObject )
4333 if ( isinstance( thePoint, list )):
4334 thePoint = PointStruct( thePoint[0], thePoint[1], thePoint[2] )
4335 if ( isinstance( theScaleFact, float )):
4336 theScaleFact = [theScaleFact]
4337 if ( isinstance( theScaleFact, int )):
4338 theScaleFact = [ float(theScaleFact)]
4340 self.mesh.SetParameters(thePoint.parameters)
4342 if Copy and MakeGroups:
4343 return self.editor.ScaleMakeGroups(theObject, thePoint, theScaleFact)
4344 self.editor.Scale(theObject, thePoint, theScaleFact, Copy)
4347 ## Creates a new mesh from the translated object
4348 # @param theObject - the object to translate (mesh, submesh, or group)
4349 # @param thePoint - base point for scale (SMESH.PointStruct or list of 3 coordinates)
4350 # @param theScaleFact - list of 1-3 scale factors for axises
4351 # @param MakeGroups - forces the generation of new groups from existing ones
4352 # @param NewMeshName - the name of the newly created mesh
4353 # @return instance of Mesh class
4354 def ScaleMakeMesh(self, theObject, thePoint, theScaleFact, MakeGroups=False, NewMeshName=""):
4355 unRegister = genObjUnRegister()
4356 if (isinstance(theObject, Mesh)):
4357 theObject = theObject.GetMesh()
4358 if ( isinstance( theObject, list )):
4359 theObject = self.GetIDSource(theObject,SMESH.ALL)
4360 unRegister.set( theObject )
4361 if ( isinstance( thePoint, list )):
4362 thePoint = PointStruct( thePoint[0], thePoint[1], thePoint[2] )
4363 if ( isinstance( theScaleFact, float )):
4364 theScaleFact = [theScaleFact]
4365 if ( isinstance( theScaleFact, int )):
4366 theScaleFact = [ float(theScaleFact)]
4368 self.mesh.SetParameters(thePoint.parameters)
4369 mesh = self.editor.ScaleMakeMesh(theObject, thePoint, theScaleFact,
4370 MakeGroups, NewMeshName)
4371 return Mesh( self.smeshpyD, self.geompyD, mesh )
4375 ## Rotates the elements
4376 # @param IDsOfElements list of elements ids
4377 # @param Axis the axis of rotation (AxisStruct or geom line)
4378 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4379 # @param Copy allows copying the rotated elements
4380 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4381 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4382 # @ingroup l2_modif_trsf
4383 def Rotate (self, IDsOfElements, Axis, AngleInRadians, Copy, MakeGroups=False):
4384 if IDsOfElements == []:
4385 IDsOfElements = self.GetElementsId()
4386 if ( isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4387 Axis = self.smeshpyD.GetAxisStruct(Axis)
4388 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4389 Parameters = Axis.parameters + var_separator + Parameters
4390 self.mesh.SetParameters(Parameters)
4391 if Copy and MakeGroups:
4392 return self.editor.RotateMakeGroups(IDsOfElements, Axis, AngleInRadians)
4393 self.editor.Rotate(IDsOfElements, Axis, AngleInRadians, Copy)
4396 ## Creates a new mesh of rotated elements
4397 # @param IDsOfElements list of element ids
4398 # @param Axis the axis of rotation (AxisStruct or geom line)
4399 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4400 # @param MakeGroups forces the generation of new groups from existing ones
4401 # @param NewMeshName the name of the newly created mesh
4402 # @return instance of Mesh class
4403 # @ingroup l2_modif_trsf
4404 def RotateMakeMesh (self, IDsOfElements, Axis, AngleInRadians, MakeGroups=0, NewMeshName=""):
4405 if IDsOfElements == []:
4406 IDsOfElements = self.GetElementsId()
4407 if ( isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4408 Axis = self.smeshpyD.GetAxisStruct(Axis)
4409 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4410 Parameters = Axis.parameters + var_separator + Parameters
4411 self.mesh.SetParameters(Parameters)
4412 mesh = self.editor.RotateMakeMesh(IDsOfElements, Axis, AngleInRadians,
4413 MakeGroups, NewMeshName)
4414 return Mesh( self.smeshpyD, self.geompyD, mesh )
4416 ## Rotates the object
4417 # @param theObject the object to rotate( mesh, submesh, or group)
4418 # @param Axis the axis of rotation (AxisStruct or geom line)
4419 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4420 # @param Copy allows copying the rotated elements
4421 # @param MakeGroups forces the generation of new groups from existing ones (if Copy)
4422 # @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
4423 # @ingroup l2_modif_trsf
4424 def RotateObject (self, theObject, Axis, AngleInRadians, Copy, MakeGroups=False):
4425 if (isinstance(theObject, Mesh)):
4426 theObject = theObject.GetMesh()
4427 if (isinstance(Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4428 Axis = self.smeshpyD.GetAxisStruct(Axis)
4429 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4430 Parameters = Axis.parameters + ":" + Parameters
4431 self.mesh.SetParameters(Parameters)
4432 if Copy and MakeGroups:
4433 return self.editor.RotateObjectMakeGroups(theObject, Axis, AngleInRadians)
4434 self.editor.RotateObject(theObject, Axis, AngleInRadians, Copy)
4437 ## Creates a new mesh from the rotated object
4438 # @param theObject the object to rotate (mesh, submesh, or group)
4439 # @param Axis the axis of rotation (AxisStruct or geom line)
4440 # @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
4441 # @param MakeGroups forces the generation of new groups from existing ones
4442 # @param NewMeshName the name of the newly created mesh
4443 # @return instance of Mesh class
4444 # @ingroup l2_modif_trsf
4445 def RotateObjectMakeMesh(self, theObject, Axis, AngleInRadians, MakeGroups=0,NewMeshName=""):
4446 if (isinstance( theObject, Mesh )):
4447 theObject = theObject.GetMesh()
4448 if (isinstance(Axis, geomBuilder.GEOM._objref_GEOM_Object)):
4449 Axis = self.smeshpyD.GetAxisStruct(Axis)
4450 AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
4451 Parameters = Axis.parameters + ":" + Parameters
4452 mesh = self.editor.RotateObjectMakeMesh(theObject, Axis, AngleInRadians,
4453 MakeGroups, NewMeshName)
4454 self.mesh.SetParameters(Parameters)
4455 return Mesh( self.smeshpyD, self.geompyD, mesh )
4457 ## Finds groups of adjacent nodes within Tolerance.
4458 # @param Tolerance the value of tolerance
4459 # @param SeparateCornerAndMediumNodes if @c True, in quadratic mesh puts
4460 # corner and medium nodes in separate groups thus preventing
4461 # their further merge.
4462 # @return the list of groups of nodes IDs (e.g. [[1,12,13],[4,25]])
4463 # @ingroup l2_modif_trsf
4464 def FindCoincidentNodes (self, Tolerance, SeparateCornerAndMediumNodes=False):
4465 return self.editor.FindCoincidentNodes( Tolerance, SeparateCornerAndMediumNodes )
4467 ## Finds groups of ajacent nodes within Tolerance.
4468 # @param Tolerance the value of tolerance
4469 # @param SubMeshOrGroup SubMesh or Group
4470 # @param exceptNodes list of either SubMeshes, Groups or node IDs to exclude from search
4471 # @param SeparateCornerAndMediumNodes if @c True, in quadratic mesh puts
4472 # corner and medium nodes in separate groups thus preventing
4473 # their further merge.
4474 # @return the list of groups of nodes IDs (e.g. [[1,12,13],[4,25]])
4475 # @ingroup l2_modif_trsf
4476 def FindCoincidentNodesOnPart (self, SubMeshOrGroup, Tolerance,
4477 exceptNodes=[], SeparateCornerAndMediumNodes=False):
4478 unRegister = genObjUnRegister()
4479 if (isinstance( SubMeshOrGroup, Mesh )):
4480 SubMeshOrGroup = SubMeshOrGroup.GetMesh()
4481 if not isinstance( exceptNodes, list ):
4482 exceptNodes = [ exceptNodes ]
4483 if exceptNodes and isinstance( exceptNodes[0], int ):
4484 exceptNodes = [ self.GetIDSource( exceptNodes, SMESH.NODE )]
4485 unRegister.set( exceptNodes )
4486 return self.editor.FindCoincidentNodesOnPartBut(SubMeshOrGroup, Tolerance,
4487 exceptNodes, SeparateCornerAndMediumNodes)
4490 # @param GroupsOfNodes a list of groups of nodes IDs for merging
4491 # (e.g. [[1,12,13],[25,4]], then nodes 12, 13 and 4 will be removed and replaced
4492 # by nodes 1 and 25 correspondingly in all elements and groups
4493 # @param NodesToKeep nodes to keep in the mesh: a list of groups, sub-meshes or node IDs.
4494 # If @a NodesToKeep does not include a node to keep for some group to merge,
4495 # then the first node in the group is kept.
4496 # @ingroup l2_modif_trsf
4497 def MergeNodes (self, GroupsOfNodes, NodesToKeep=[]):
4498 # NodesToKeep are converted to SMESH_IDSource in meshEditor.MergeNodes()
4499 self.editor.MergeNodes(GroupsOfNodes,NodesToKeep)
4501 ## Finds the elements built on the same nodes.
4502 # @param MeshOrSubMeshOrGroup Mesh or SubMesh, or Group of elements for searching
4503 # @return the list of groups of equal elements IDs (e.g. [[1,12,13],[4,25]])
4504 # @ingroup l2_modif_trsf
4505 def FindEqualElements (self, MeshOrSubMeshOrGroup=None):
4506 if not MeshOrSubMeshOrGroup:
4507 MeshOrSubMeshOrGroup=self.mesh
4508 elif isinstance( MeshOrSubMeshOrGroup, Mesh ):
4509 MeshOrSubMeshOrGroup = MeshOrSubMeshOrGroup.GetMesh()
4510 return self.editor.FindEqualElements( MeshOrSubMeshOrGroup )
4512 ## Merges elements in each given group.
4513 # @param GroupsOfElementsID a list of groups of elements IDs for merging
4514 # (e.g. [[1,12,13],[25,4]], then elements 12, 13 and 4 will be removed and
4515 # replaced by elements 1 and 25 in all groups)
4516 # @ingroup l2_modif_trsf
4517 def MergeElements(self, GroupsOfElementsID):
4518 self.editor.MergeElements(GroupsOfElementsID)
4520 ## Leaves one element and removes all other elements built on the same nodes.
4521 # @ingroup l2_modif_trsf
4522 def MergeEqualElements(self):
4523 self.editor.MergeEqualElements()
4525 ## Returns groups of FreeBorder's coincident within the given tolerance.
4526 # @param tolerance the tolerance. If the tolerance <= 0.0 then one tenth of an average
4527 # size of elements adjacent to free borders being compared is used.
4528 # @return SMESH.CoincidentFreeBorders structure
4529 # @ingroup l2_modif_trsf
4530 def FindCoincidentFreeBorders (self, tolerance=0.):
4531 return self.editor.FindCoincidentFreeBorders( tolerance )
4533 ## Sew FreeBorder's of each group
4534 # @param freeBorders either a SMESH.CoincidentFreeBorders structure or a list of lists
4535 # where each enclosed list contains node IDs of a group of coincident free
4536 # borders such that each consequent triple of IDs within a group describes
4537 # a free border in a usual way: n1, n2, nLast - i.e. 1st node, 2nd node and
4538 # last node of a border.
4539 # For example [[1, 2, 10, 20, 21, 40], [11, 12, 15, 55, 54, 41]] describes two
4540 # groups of coincident free borders, each group including two borders.
4541 # @param createPolygons if @c True faces adjacent to free borders are converted to
4542 # polygons if a node of opposite border falls on a face edge, else such
4543 # faces are split into several ones.
4544 # @param createPolyhedra if @c True volumes adjacent to free borders are converted to
4545 # polyhedra if a node of opposite border falls on a volume edge, else such
4546 # volumes, if any, remain intact and the mesh becomes non-conformal.
4547 # @return a number of successfully sewed groups
4548 # @ingroup l2_modif_trsf
4549 def SewCoincidentFreeBorders (self, freeBorders, createPolygons=False, createPolyhedra=False):
4550 if freeBorders and isinstance( freeBorders, list ):
4551 # construct SMESH.CoincidentFreeBorders
4552 if isinstance( freeBorders[0], int ):
4553 freeBorders = [freeBorders]
4555 coincidentGroups = []
4556 for nodeList in freeBorders:
4557 if not nodeList or len( nodeList ) % 3:
4558 raise ValueError, "Wrong number of nodes in this group: %s" % nodeList
4561 group.append ( SMESH.FreeBorderPart( len(borders), 0, 1, 2 ))
4562 borders.append( SMESH.FreeBorder( nodeList[:3] ))
4563 nodeList = nodeList[3:]
4565 coincidentGroups.append( group )
4567 freeBorders = SMESH.CoincidentFreeBorders( borders, coincidentGroups )
4569 return self.editor.SewCoincidentFreeBorders( freeBorders, createPolygons, createPolyhedra )
4571 ## Sews free borders
4572 # @return SMESH::Sew_Error
4573 # @ingroup l2_modif_trsf
4574 def SewFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
4575 FirstNodeID2, SecondNodeID2, LastNodeID2,
4576 CreatePolygons, CreatePolyedrs):
4577 return self.editor.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
4578 FirstNodeID2, SecondNodeID2, LastNodeID2,
4579 CreatePolygons, CreatePolyedrs)
4581 ## Sews conform free borders
4582 # @return SMESH::Sew_Error
4583 # @ingroup l2_modif_trsf
4584 def SewConformFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
4585 FirstNodeID2, SecondNodeID2):
4586 return self.editor.SewConformFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
4587 FirstNodeID2, SecondNodeID2)
4589 ## Sews border to side
4590 # @return SMESH::Sew_Error
4591 # @ingroup l2_modif_trsf
4592 def SewBorderToSide (self, FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
4593 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs):
4594 return self.editor.SewBorderToSide(FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
4595 FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs)
4597 ## Sews two sides of a mesh. The nodes belonging to Side1 are
4598 # merged with the nodes of elements of Side2.
4599 # The number of elements in theSide1 and in theSide2 must be
4600 # equal and they should have similar nodal connectivity.
4601 # The nodes to merge should belong to side borders and
4602 # the first node should be linked to the second.
4603 # @return SMESH::Sew_Error
4604 # @ingroup l2_modif_trsf
4605 def SewSideElements (self, IDsOfSide1Elements, IDsOfSide2Elements,
4606 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
4607 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge):
4608 return self.editor.SewSideElements(IDsOfSide1Elements, IDsOfSide2Elements,
4609 NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
4610 NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge)
4612 ## Sets new nodes for the given element.
4613 # @param ide the element id
4614 # @param newIDs nodes ids
4615 # @return If the number of nodes does not correspond to the type of element - returns false
4616 # @ingroup l2_modif_edit
4617 def ChangeElemNodes(self, ide, newIDs):
4618 return self.editor.ChangeElemNodes(ide, newIDs)
4620 ## If during the last operation of MeshEditor some nodes were
4621 # created, this method returns the list of their IDs, \n
4622 # if new nodes were not created - returns empty list
4623 # @return the list of integer values (can be empty)
4624 # @ingroup l1_auxiliary
4625 def GetLastCreatedNodes(self):
4626 return self.editor.GetLastCreatedNodes()
4628 ## If during the last operation of MeshEditor some elements were
4629 # created this method returns the list of their IDs, \n
4630 # if new elements were not created - returns empty list
4631 # @return the list of integer values (can be empty)
4632 # @ingroup l1_auxiliary
4633 def GetLastCreatedElems(self):
4634 return self.editor.GetLastCreatedElems()
4636 ## Clears sequences of nodes and elements created by mesh edition oparations
4637 # @ingroup l1_auxiliary
4638 def ClearLastCreated(self):
4639 self.editor.ClearLastCreated()
4641 ## Creates duplicates of given elements, i.e. creates new elements based on the
4642 # same nodes as the given ones.
4643 # @param theElements - container of elements to duplicate. It can be a Mesh,
4644 # sub-mesh, group, filter or a list of element IDs. If \a theElements is
4645 # a Mesh, elements of highest dimension are duplicated
4646 # @param theGroupName - a name of group to contain the generated elements.
4647 # If a group with such a name already exists, the new elements
4648 # are added to the existng group, else a new group is created.
4649 # If \a theGroupName is empty, new elements are not added
4651 # @return a group where the new elements are added. None if theGroupName == "".
4652 # @ingroup l2_modif_edit
4653 def DoubleElements(self, theElements, theGroupName=""):
4654 unRegister = genObjUnRegister()
4655 if isinstance( theElements, Mesh ):
4656 theElements = theElements.mesh
4657 elif isinstance( theElements, list ):
4658 theElements = self.GetIDSource( theElements, SMESH.ALL )
4659 unRegister.set( theElements )
4660 return self.editor.DoubleElements(theElements, theGroupName)
4662 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4663 # @param theNodes identifiers of nodes to be doubled
4664 # @param theModifiedElems identifiers of elements to be updated by the new (doubled)
4665 # nodes. If list of element identifiers is empty then nodes are doubled but
4666 # they not assigned to elements
4667 # @return TRUE if operation has been completed successfully, FALSE otherwise
4668 # @ingroup l2_modif_edit
4669 def DoubleNodes(self, theNodes, theModifiedElems):
4670 return self.editor.DoubleNodes(theNodes, theModifiedElems)
4672 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4673 # This method provided for convenience works as DoubleNodes() described above.
4674 # @param theNodeId identifiers of node to be doubled
4675 # @param theModifiedElems identifiers of elements to be updated
4676 # @return TRUE if operation has been completed successfully, FALSE otherwise
4677 # @ingroup l2_modif_edit
4678 def DoubleNode(self, theNodeId, theModifiedElems):
4679 return self.editor.DoubleNode(theNodeId, theModifiedElems)
4681 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4682 # This method provided for convenience works as DoubleNodes() described above.
4683 # @param theNodes group of nodes to be doubled
4684 # @param theModifiedElems group of elements to be updated.
4685 # @param theMakeGroup forces the generation of a group containing new nodes.
4686 # @return TRUE or a created group if operation has been completed successfully,
4687 # FALSE or None otherwise
4688 # @ingroup l2_modif_edit
4689 def DoubleNodeGroup(self, theNodes, theModifiedElems, theMakeGroup=False):
4691 return self.editor.DoubleNodeGroupNew(theNodes, theModifiedElems)
4692 return self.editor.DoubleNodeGroup(theNodes, theModifiedElems)
4694 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4695 # This method provided for convenience works as DoubleNodes() described above.
4696 # @param theNodes list of groups of nodes to be doubled
4697 # @param theModifiedElems list of groups of elements to be updated.
4698 # @param theMakeGroup forces the generation of a group containing new nodes.
4699 # @return TRUE if operation has been completed successfully, FALSE otherwise
4700 # @ingroup l2_modif_edit
4701 def DoubleNodeGroups(self, theNodes, theModifiedElems, theMakeGroup=False):
4703 return self.editor.DoubleNodeGroupsNew(theNodes, theModifiedElems)
4704 return self.editor.DoubleNodeGroups(theNodes, theModifiedElems)
4706 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4707 # @param theElems - the list of elements (edges or faces) to be replicated
4708 # The nodes for duplication could be found from these elements
4709 # @param theNodesNot - list of nodes to NOT replicate
4710 # @param theAffectedElems - the list of elements (cells and edges) to which the
4711 # replicated nodes should be associated to.
4712 # @return TRUE if operation has been completed successfully, FALSE otherwise
4713 # @ingroup l2_modif_edit
4714 def DoubleNodeElem(self, theElems, theNodesNot, theAffectedElems):
4715 return self.editor.DoubleNodeElem(theElems, theNodesNot, theAffectedElems)
4717 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4718 # @param theElems - the list of elements (edges or faces) to be replicated
4719 # The nodes for duplication could be found from these elements
4720 # @param theNodesNot - list of nodes to NOT replicate
4721 # @param theShape - shape to detect affected elements (element which geometric center
4722 # located on or inside shape).
4723 # The replicated nodes should be associated to affected elements.
4724 # @return TRUE if operation has been completed successfully, FALSE otherwise
4725 # @ingroup l2_modif_edit
4726 def DoubleNodeElemInRegion(self, theElems, theNodesNot, theShape):
4727 return self.editor.DoubleNodeElemInRegion(theElems, theNodesNot, theShape)
4729 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4730 # This method provided for convenience works as DoubleNodes() described above.
4731 # @param theElems - group of of elements (edges or faces) to be replicated
4732 # @param theNodesNot - group of nodes not to replicated
4733 # @param theAffectedElems - group of elements to which the replicated nodes
4734 # should be associated to.
4735 # @param theMakeGroup forces the generation of a group containing new elements.
4736 # @param theMakeNodeGroup forces the generation of a group containing new nodes.
4737 # @return TRUE or created groups (one or two) if operation has been completed successfully,
4738 # FALSE or None otherwise
4739 # @ingroup l2_modif_edit
4740 def DoubleNodeElemGroup(self, theElems, theNodesNot, theAffectedElems,
4741 theMakeGroup=False, theMakeNodeGroup=False):
4742 if theMakeGroup or theMakeNodeGroup:
4743 twoGroups = self.editor.DoubleNodeElemGroup2New(theElems, theNodesNot,
4745 theMakeGroup, theMakeNodeGroup)
4746 if theMakeGroup and theMakeNodeGroup:
4749 return twoGroups[ int(theMakeNodeGroup) ]
4750 return self.editor.DoubleNodeElemGroup(theElems, theNodesNot, theAffectedElems)
4752 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4753 # This method provided for convenience works as DoubleNodes() described above.
4754 # @param theElems - group of of elements (edges or faces) to be replicated
4755 # @param theNodesNot - group of nodes not to replicated
4756 # @param theShape - shape to detect affected elements (element which geometric center
4757 # located on or inside shape).
4758 # The replicated nodes should be associated to affected elements.
4759 # @ingroup l2_modif_edit
4760 def DoubleNodeElemGroupInRegion(self, theElems, theNodesNot, theShape):
4761 return self.editor.DoubleNodeElemGroupInRegion(theElems, theNodesNot, theShape)
4763 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4764 # This method provided for convenience works as DoubleNodes() described above.
4765 # @param theElems - list of groups of elements (edges or faces) to be replicated
4766 # @param theNodesNot - list of groups of nodes not to replicated
4767 # @param theAffectedElems - group of elements to which the replicated nodes
4768 # should be associated to.
4769 # @param theMakeGroup forces the generation of a group containing new elements.
4770 # @param theMakeNodeGroup forces the generation of a group containing new nodes.
4771 # @return TRUE or created groups (one or two) if operation has been completed successfully,
4772 # FALSE or None otherwise
4773 # @ingroup l2_modif_edit
4774 def DoubleNodeElemGroups(self, theElems, theNodesNot, theAffectedElems,
4775 theMakeGroup=False, theMakeNodeGroup=False):
4776 if theMakeGroup or theMakeNodeGroup:
4777 twoGroups = self.editor.DoubleNodeElemGroups2New(theElems, theNodesNot,
4779 theMakeGroup, theMakeNodeGroup)
4780 if theMakeGroup and theMakeNodeGroup:
4783 return twoGroups[ int(theMakeNodeGroup) ]
4784 return self.editor.DoubleNodeElemGroups(theElems, theNodesNot, theAffectedElems)
4786 ## Creates a hole in a mesh by doubling the nodes of some particular elements
4787 # This method provided for convenience works as DoubleNodes() described above.
4788 # @param theElems - list of groups of elements (edges or faces) to be replicated
4789 # @param theNodesNot - list of groups of nodes not to replicated
4790 # @param theShape - shape to detect affected elements (element which geometric center
4791 # located on or inside shape).
4792 # The replicated nodes should be associated to affected elements.
4793 # @return TRUE if operation has been completed successfully, FALSE otherwise
4794 # @ingroup l2_modif_edit
4795 def DoubleNodeElemGroupsInRegion(self, theElems, theNodesNot, theShape):
4796 return self.editor.DoubleNodeElemGroupsInRegion(theElems, theNodesNot, theShape)
4798 ## Identify the elements that will be affected by node duplication (actual duplication is not performed.
4799 # This method is the first step of DoubleNodeElemGroupsInRegion.
4800 # @param theElems - list of groups of elements (edges or faces) to be replicated
4801 # @param theNodesNot - list of groups of nodes not to replicated
4802 # @param theShape - shape to detect affected elements (element which geometric center
4803 # located on or inside shape).
4804 # The replicated nodes should be associated to affected elements.
4805 # @return groups of affected elements
4806 # @ingroup l2_modif_edit
4807 def AffectedElemGroupsInRegion(self, theElems, theNodesNot, theShape):
4808 return self.editor.AffectedElemGroupsInRegion(theElems, theNodesNot, theShape)
4810 ## Double nodes on shared faces between groups of volumes and create flat elements on demand.
4811 # The list of groups must describe a partition of the mesh volumes.
4812 # The nodes of the internal faces at the boundaries of the groups are doubled.
4813 # In option, the internal faces are replaced by flat elements.
4814 # Triangles are transformed in prisms, and quadrangles in hexahedrons.
4815 # @param theDomains - list of groups of volumes
4816 # @param createJointElems - if TRUE, create the elements
4817 # @param onAllBoundaries - if TRUE, the nodes and elements are also created on
4818 # the boundary between \a theDomains and the rest mesh
4819 # @return TRUE if operation has been completed successfully, FALSE otherwise
4820 def DoubleNodesOnGroupBoundaries(self, theDomains, createJointElems, onAllBoundaries=False ):
4821 return self.editor.DoubleNodesOnGroupBoundaries( theDomains, createJointElems, onAllBoundaries )
4823 ## Double nodes on some external faces and create flat elements.
4824 # Flat elements are mainly used by some types of mechanic calculations.
4826 # Each group of the list must be constituted of faces.
4827 # Triangles are transformed in prisms, and quadrangles in hexahedrons.
4828 # @param theGroupsOfFaces - list of groups of faces
4829 # @return TRUE if operation has been completed successfully, FALSE otherwise
4830 def CreateFlatElementsOnFacesGroups(self, theGroupsOfFaces ):
4831 return self.editor.CreateFlatElementsOnFacesGroups( theGroupsOfFaces )
4833 ## identify all the elements around a geom shape, get the faces delimiting the hole
4835 def CreateHoleSkin(self, radius, theShape, groupName, theNodesCoords):
4836 return self.editor.CreateHoleSkin( radius, theShape, groupName, theNodesCoords )
4838 def _getFunctor(self, funcType ):
4839 fn = self.functors[ funcType._v ]
4841 fn = self.smeshpyD.GetFunctor(funcType)
4842 fn.SetMesh(self.mesh)
4843 self.functors[ funcType._v ] = fn
4846 ## Returns value of a functor for a given element
4847 # @param funcType an item of SMESH.FunctorType enum
4848 # Type "SMESH.FunctorType._items" in the Python Console to see all items.
4849 # @param elemId element or node ID
4850 # @param isElem @a elemId is ID of element or node
4851 # @return the functor value or zero in case of invalid arguments
4852 def FunctorValue(self, funcType, elemId, isElem=True):
4853 fn = self._getFunctor( funcType )
4854 if fn.GetElementType() == self.GetElementType(elemId, isElem):
4855 val = fn.GetValue(elemId)
4860 ## Get length of 1D element or sum of lengths of all 1D mesh elements
4861 # @param elemId mesh element ID (if not defined - sum of length of all 1D elements will be calculated)
4862 # @return element's length value if \a elemId is specified or sum of all 1D mesh elements' lengths otherwise
4863 # @ingroup l1_measurements
4864 def GetLength(self, elemId=None):
4867 length = self.smeshpyD.GetLength(self)
4869 length = self.FunctorValue(SMESH.FT_Length, elemId)
4872 ## Get area of 2D element or sum of areas of all 2D mesh elements
4873 # @param elemId mesh element ID (if not defined - sum of areas of all 2D elements will be calculated)
4874 # @return element's area value if \a elemId is specified or sum of all 2D mesh elements' areas otherwise
4875 # @ingroup l1_measurements
4876 def GetArea(self, elemId=None):
4879 area = self.smeshpyD.GetArea(self)
4881 area = self.FunctorValue(SMESH.FT_Area, elemId)
4884 ## Get volume of 3D element or sum of volumes of all 3D mesh elements
4885 # @param elemId mesh element ID (if not defined - sum of volumes of all 3D elements will be calculated)
4886 # @return element's volume value if \a elemId is specified or sum of all 3D mesh elements' volumes otherwise
4887 # @ingroup l1_measurements
4888 def GetVolume(self, elemId=None):
4891 volume = self.smeshpyD.GetVolume(self)
4893 volume = self.FunctorValue(SMESH.FT_Volume3D, elemId)
4896 ## Get maximum element length.
4897 # @param elemId mesh element ID
4898 # @return element's maximum length value
4899 # @ingroup l1_measurements
4900 def GetMaxElementLength(self, elemId):
4901 if self.GetElementType(elemId, True) == SMESH.VOLUME:
4902 ftype = SMESH.FT_MaxElementLength3D
4904 ftype = SMESH.FT_MaxElementLength2D
4905 return self.FunctorValue(ftype, elemId)
4907 ## Get aspect ratio of 2D or 3D element.
4908 # @param elemId mesh element ID
4909 # @return element's aspect ratio value
4910 # @ingroup l1_measurements
4911 def GetAspectRatio(self, elemId):
4912 if self.GetElementType(elemId, True) == SMESH.VOLUME:
4913 ftype = SMESH.FT_AspectRatio3D
4915 ftype = SMESH.FT_AspectRatio
4916 return self.FunctorValue(ftype, elemId)
4918 ## Get warping angle of 2D element.
4919 # @param elemId mesh element ID
4920 # @return element's warping angle value
4921 # @ingroup l1_measurements
4922 def GetWarping(self, elemId):
4923 return self.FunctorValue(SMESH.FT_Warping, elemId)
4925 ## Get minimum angle of 2D element.
4926 # @param elemId mesh element ID
4927 # @return element's minimum angle value
4928 # @ingroup l1_measurements
4929 def GetMinimumAngle(self, elemId):
4930 return self.FunctorValue(SMESH.FT_MinimumAngle, elemId)
4932 ## Get taper of 2D element.
4933 # @param elemId mesh element ID
4934 # @return element's taper value
4935 # @ingroup l1_measurements
4936 def GetTaper(self, elemId):
4937 return self.FunctorValue(SMESH.FT_Taper, elemId)
4939 ## Get skew of 2D element.
4940 # @param elemId mesh element ID
4941 # @return element's skew value
4942 # @ingroup l1_measurements
4943 def GetSkew(self, elemId):
4944 return self.FunctorValue(SMESH.FT_Skew, elemId)
4946 ## Return minimal and maximal value of a given functor.
4947 # @param funType a functor type, an item of SMESH.FunctorType enum
4948 # (one of SMESH.FunctorType._items)
4949 # @param meshPart a part of mesh (group, sub-mesh) to treat
4950 # @return tuple (min,max)
4951 # @ingroup l1_measurements
4952 def GetMinMax(self, funType, meshPart=None):
4953 unRegister = genObjUnRegister()
4954 if isinstance( meshPart, list ):
4955 meshPart = self.GetIDSource( meshPart, SMESH.ALL )
4956 unRegister.set( meshPart )
4957 if isinstance( meshPart, Mesh ):
4958 meshPart = meshPart.mesh
4959 fun = self._getFunctor( funType )
4962 if hasattr( meshPart, "SetMesh" ):
4963 meshPart.SetMesh( self.mesh ) # set mesh to filter
4964 hist = fun.GetLocalHistogram( 1, False, meshPart )
4966 hist = fun.GetHistogram( 1, False )
4968 return hist[0].min, hist[0].max
4971 pass # end of Mesh class
4974 ## class used to compensate change of CORBA API of SMESH_Mesh for backward compatibility
4975 # with old dump scripts which call SMESH_Mesh directly and not via smeshBuilder.Mesh
4977 class meshProxy(SMESH._objref_SMESH_Mesh):
4979 SMESH._objref_SMESH_Mesh.__init__(self)
4980 def __deepcopy__(self, memo=None):
4981 new = self.__class__()
4983 def CreateDimGroup(self,*args): # 2 args added: nbCommonNodes, underlyingOnly
4984 if len( args ) == 3:
4985 args += SMESH.ALL_NODES, True
4986 return SMESH._objref_SMESH_Mesh.CreateDimGroup( self, *args )
4988 omniORB.registerObjref(SMESH._objref_SMESH_Mesh._NP_RepositoryId, meshProxy)
4990 ## class used to compensate change of CORBA API of SMESH_MeshEditor for backward compatibility
4991 # with old dump scripts which call SMESH_MeshEditor directly and not via smeshBuilder.Mesh
4993 class meshEditor(SMESH._objref_SMESH_MeshEditor):
4995 SMESH._objref_SMESH_MeshEditor.__init__(self)
4997 def __getattr__(self, name ): # method called if an attribute not found
4998 if not self.mesh: # look for name() method in Mesh class
4999 self.mesh = Mesh( None, None, SMESH._objref_SMESH_MeshEditor.GetMesh(self))
5000 if hasattr( self.mesh, name ):
5001 return getattr( self.mesh, name )
5002 if name == "ExtrusionAlongPathObjX":
5003 return getattr( self.mesh, "ExtrusionAlongPathX" ) # other method name
5004 print "meshEditor: attribute '%s' NOT FOUND" % name
5006 def __deepcopy__(self, memo=None):
5007 new = self.__class__()
5009 def FindCoincidentNodes(self,*args): # a 2nd arg added (SeparateCornerAndMediumNodes)
5010 if len( args ) == 1: args += False,
5011 return SMESH._objref_SMESH_MeshEditor.FindCoincidentNodes( self, *args )
5012 def FindCoincidentNodesOnPart(self,*args): # a 3d arg added (SeparateCornerAndMediumNodes)
5013 if len( args ) == 2: args += False,
5014 return SMESH._objref_SMESH_MeshEditor.FindCoincidentNodesOnPart( self, *args )
5015 def MergeNodes(self,*args): # a 2nd arg added (NodesToKeep)
5016 if len( args ) == 1:
5017 return SMESH._objref_SMESH_MeshEditor.MergeNodes( self, args[0], [] )
5018 NodesToKeep = args[1]
5019 unRegister = genObjUnRegister()
5021 if isinstance( NodesToKeep, list ) and isinstance( NodesToKeep[0], int ):
5022 NodesToKeep = self.MakeIDSource( NodesToKeep, SMESH.NODE )
5023 if not isinstance( NodesToKeep, list ):
5024 NodesToKeep = [ NodesToKeep ]
5025 return SMESH._objref_SMESH_MeshEditor.MergeNodes( self, args[0], NodesToKeep )
5027 omniORB.registerObjref(SMESH._objref_SMESH_MeshEditor._NP_RepositoryId, meshEditor)
5029 ## Helper class for wrapping of SMESH.SMESH_Pattern CORBA class
5031 class Pattern(SMESH._objref_SMESH_Pattern):
5033 def LoadFromFile(self, patternTextOrFile ):
5034 text = patternTextOrFile
5035 if os.path.exists( text ):
5036 text = open( patternTextOrFile ).read()
5038 return SMESH._objref_SMESH_Pattern.LoadFromFile( self, text )
5040 def ApplyToMeshFaces(self, theMesh, theFacesIDs, theNodeIndexOnKeyPoint1, theReverse):
5041 decrFun = lambda i: i-1
5042 theNodeIndexOnKeyPoint1,Parameters,hasVars = ParseParameters(theNodeIndexOnKeyPoint1, decrFun)
5043 theMesh.SetParameters(Parameters)
5044 return SMESH._objref_SMESH_Pattern.ApplyToMeshFaces( self, theMesh, theFacesIDs, theNodeIndexOnKeyPoint1, theReverse )
5046 def ApplyToHexahedrons(self, theMesh, theVolumesIDs, theNode000Index, theNode001Index):
5047 decrFun = lambda i: i-1
5048 theNode000Index,theNode001Index,Parameters,hasVars = ParseParameters(theNode000Index,theNode001Index, decrFun)
5049 theMesh.SetParameters(Parameters)
5050 return SMESH._objref_SMESH_Pattern.ApplyToHexahedrons( self, theMesh, theVolumesIDs, theNode000Index, theNode001Index )
5052 def MakeMesh(self, mesh, CreatePolygons=False, CreatePolyhedra=False):
5053 if isinstance( mesh, Mesh ):
5054 mesh = mesh.GetMesh()
5055 return SMESH._objref_SMESH_Pattern.MakeMesh( self, mesh, CreatePolygons, CreatePolyhedra )
5057 # Registering the new proxy for Pattern
5058 omniORB.registerObjref(SMESH._objref_SMESH_Pattern._NP_RepositoryId, Pattern)
5060 ## Private class used to bind methods creating algorithms to the class Mesh
5065 self.defaultAlgoType = ""
5066 self.algoTypeToClass = {}
5068 # Stores a python class of algorithm
5069 def add(self, algoClass):
5070 if type( algoClass ).__name__ == 'classobj' and \
5071 hasattr( algoClass, "algoType"):
5072 self.algoTypeToClass[ algoClass.algoType ] = algoClass
5073 if not self.defaultAlgoType and \
5074 hasattr( algoClass, "isDefault") and algoClass.isDefault:
5075 self.defaultAlgoType = algoClass.algoType
5076 #print "Add",algoClass.algoType, "dflt",self.defaultAlgoType
5078 # creates a copy of self and assign mesh to the copy
5079 def copy(self, mesh):
5080 other = algoCreator()
5081 other.defaultAlgoType = self.defaultAlgoType
5082 other.algoTypeToClass = self.algoTypeToClass
5086 # creates an instance of algorithm
5087 def __call__(self,algo="",geom=0,*args):
5088 algoType = self.defaultAlgoType
5089 for arg in args + (algo,geom):
5090 if isinstance( arg, geomBuilder.GEOM._objref_GEOM_Object ):
5092 if isinstance( arg, str ) and arg:
5094 if not algoType and self.algoTypeToClass:
5095 algoType = self.algoTypeToClass.keys()[0]
5096 if self.algoTypeToClass.has_key( algoType ):
5097 #print "Create algo",algoType
5098 return self.algoTypeToClass[ algoType ]( self.mesh, geom )
5099 raise RuntimeError, "No class found for algo type %s" % algoType
5102 # Private class used to substitute and store variable parameters of hypotheses.
5104 class hypMethodWrapper:
5105 def __init__(self, hyp, method):
5107 self.method = method
5108 #print "REBIND:", method.__name__
5111 # call a method of hypothesis with calling SetVarParameter() before
5112 def __call__(self,*args):
5114 return self.method( self.hyp, *args ) # hypothesis method with no args
5116 #print "MethWrapper.__call__",self.method.__name__, args
5118 parsed = ParseParameters(*args) # replace variables with their values
5119 self.hyp.SetVarParameter( parsed[-2], self.method.__name__ )
5120 result = self.method( self.hyp, *parsed[:-2] ) # call hypothesis method
5121 except omniORB.CORBA.BAD_PARAM: # raised by hypothesis method call
5122 # maybe there is a replaced string arg which is not variable
5123 result = self.method( self.hyp, *args )
5124 except ValueError, detail: # raised by ParseParameters()
5126 result = self.method( self.hyp, *args )
5127 except omniORB.CORBA.BAD_PARAM:
5128 raise ValueError, detail # wrong variable name
5133 # A helper class that call UnRegister() of SALOME.GenericObj'es stored in it
5134 class genObjUnRegister:
5136 def __init__(self, genObj=None):
5137 self.genObjList = []
5141 def set(self, genObj):
5142 "Store one or a list of of SALOME.GenericObj'es"
5143 if isinstance( genObj, list ):
5144 self.genObjList.extend( genObj )
5146 self.genObjList.append( genObj )
5150 for genObj in self.genObjList:
5151 if genObj and hasattr( genObj, "UnRegister" ):
5154 for pluginName in os.environ[ "SMESH_MeshersList" ].split( ":" ):
5156 #print "pluginName: ", pluginName
5157 pluginBuilderName = pluginName + "Builder"
5159 exec( "from salome.%s.%s import *" % (pluginName, pluginBuilderName))
5160 except Exception, e:
5161 from salome_utils import verbose
5162 if verbose(): print "Exception while loading %s: %s" % ( pluginBuilderName, e )
5164 exec( "from salome.%s import %s" % (pluginName, pluginBuilderName))
5165 plugin = eval( pluginBuilderName )
5166 #print " plugin:" , str(plugin)
5168 # add methods creating algorithms to Mesh
5169 for k in dir( plugin ):
5170 if k[0] == '_': continue
5171 algo = getattr( plugin, k )
5172 #print " algo:", str(algo)
5173 if type( algo ).__name__ == 'classobj' and hasattr( algo, "meshMethod" ):
5174 #print " meshMethod:" , str(algo.meshMethod)
5175 if not hasattr( Mesh, algo.meshMethod ):
5176 setattr( Mesh, algo.meshMethod, algoCreator() )
5178 getattr( Mesh, algo.meshMethod ).add( algo )