1 # Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 # This library is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU Lesser General Public
5 # License as published by the Free Software Foundation; either
6 # version 2.1 of the License, or (at your option) any later version.
8 # This library is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # Lesser General Public License for more details.
13 # You should have received a copy of the GNU Lesser General Public
14 # License along with this library; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 # @package StdMeshersBuilder
22 # Python API for the standard meshing plug-in module.
24 LIBRARY = "libStdMeshersEngine.so"
26 from salome.smesh.smesh_algorithm import Mesh_Algorithm
29 #----------------------------
30 # Mesh algo type identifiers
31 #----------------------------
33 ## Algorithm type: Regular 1D algorithm, see StdMeshersBuilder_Segment
34 REGULAR = "Regular_1D"
35 ## Algorithm type: Python 1D algorithm, see StdMeshersBuilder_Segment_Python
37 ## Algorithm type: Composite segment 1D algorithm, see StdMeshersBuilder_CompositeSegment
38 COMPOSITE = "CompositeSegment_1D"
39 ## Algorithm type: Triangle MEFISTO 2D algorithm, see StdMeshersBuilder_Triangle_MEFISTO
40 MEFISTO = "MEFISTO_2D"
41 ## Algorithm type: Hexahedron 3D (i-j-k) algorithm, see StdMeshersBuilder_Hexahedron
43 ## Algorithm type: Quadrangle 2D algorithm, see StdMeshersBuilder_Quadrangle
44 QUADRANGLE = "Quadrangle_2D"
45 ## Algorithm type: Radial Quadrangle 1D-2D algorithm, see StdMeshersBuilder_RadialQuadrangle1D2D
46 RADIAL_QUAD = "RadialQuadrangle_1D2D"
47 ## Algorithm type: Quadrangle (Medial Axis Projection) 1D-2D algorithm, see StdMeshersBuilder_QuadMA_1D2D
48 QUAD_MA_PROJ = "QuadFromMedialAxis_1D2D"
49 ## Algorithm type: Polygon Per Face 2D algorithm, see StdMeshersBuilder_PolygonPerFace
50 POLYGON = "PolygonPerFace_2D"
52 # import items of enums
53 for e in StdMeshers.QuadType._items: exec('%s = StdMeshers.%s'%(e,e))
54 for e in StdMeshers.VLExtrusionMethod._items: exec('%s = StdMeshers.%s'%(e,e))
56 #----------------------
58 #----------------------
60 ## Defines segment 1D algorithm for edges discretization.
62 # It can be created by calling smeshBuilder.Mesh.Segment(geom=0)
64 # @ingroup l3_algos_basic
65 class StdMeshersBuilder_Segment(Mesh_Algorithm):
67 ## name of the dynamic method in smeshBuilder.Mesh class
69 meshMethod = "Segment"
70 ## type of algorithm used with helper function in smeshBuilder.Mesh class
73 ## flag pointing whether this algorithm should be used by default in dynamic method
74 # of smeshBuilder.Mesh class
77 ## doc string of the method
79 docHelper = "Creates segment 1D algorithm for edges"
81 ## Private constructor.
82 # @param mesh parent mesh object algorithm is assigned to
83 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
84 # if it is @c 0 (default), the algorithm is assigned to the main shape
85 def __init__(self, mesh, geom=0):
86 Mesh_Algorithm.__init__(self)
87 self.Create(mesh, geom, self.algoType)
90 ## Defines "LocalLength" hypothesis to cut an edge in several segments with the same length
91 # @param l for the length of segments that cut an edge
92 # @param UseExisting if ==true - searches for an existing hypothesis created with
93 # the same parameters, else (default) - creates a new one
94 # @param p precision, used for calculation of the number of segments.
95 # The precision should be a positive, meaningful value within the range [0,1].
96 # In general, the number of segments is calculated with the formula:
97 # nb = ceil((edge_length / l) - p)
98 # Function ceil rounds its argument to the higher integer.
99 # So, p=0 means rounding of (edge_length / l) to the higher integer,
100 # p=0.5 means rounding of (edge_length / l) to the nearest integer,
101 # p=1 means rounding of (edge_length / l) to the lower integer.
102 # Default value is 1e-07.
103 # @return an instance of StdMeshers_LocalLength hypothesis
104 # @ingroup l3_hypos_1dhyps
105 def LocalLength(self, l, UseExisting=0, p=1e-07):
106 from salome.smesh.smeshBuilder import IsEqual
107 comFun=lambda hyp, args: IsEqual(hyp.GetLength(), args[0]) and IsEqual(hyp.GetPrecision(), args[1])
108 hyp = self.Hypothesis("LocalLength", [l,p], UseExisting=UseExisting, CompareMethod=comFun)
113 ## Defines "MaxSize" hypothesis to cut an edge into segments not longer than given value
114 # @param length is optional maximal allowed length of segment, if it is omitted
115 # the preestimated length is used that depends on geometry size
116 # @param UseExisting if ==true - searches for an existing hypothesis created with
117 # the same parameters, else (default) - creates a new one
118 # @return an instance of StdMeshers_MaxLength hypothesis
119 # @ingroup l3_hypos_1dhyps
120 def MaxSize(self, length=0.0, UseExisting=0):
121 hyp = self.Hypothesis("MaxLength", [length], UseExisting=UseExisting)
124 hyp.SetLength(length)
126 # set preestimated length
127 gen = self.mesh.smeshpyD
128 initHyp = gen.GetHypothesisParameterValues("MaxLength", "libStdMeshersEngine.so",
129 self.mesh.GetMesh(), self.mesh.GetShape(),
131 preHyp = initHyp._narrow(StdMeshers.StdMeshers_MaxLength)
133 hyp.SetPreestimatedLength( preHyp.GetPreestimatedLength() )
136 hyp.SetUsePreestimatedLength( length == 0.0 )
139 ## Defines "NumberOfSegments" hypothesis to cut an edge in a fixed number of segments
140 # @param n for the number of segments that cut an edge
141 # @param s for the scale factor (optional)
142 # @param reversedEdges is a list of edges to mesh using reversed orientation.
143 # A list item can also be a tuple (edge, 1st_vertex_of_edge)
144 # @param UseExisting if ==true - searches for an existing hypothesis created with
145 # the same parameters, else (default) - create a new one
146 # @return an instance of StdMeshers_NumberOfSegments hypothesis
147 # @ingroup l3_hypos_1dhyps
148 def NumberOfSegments(self, n, s=[], reversedEdges=[], UseExisting=0):
149 if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
150 reversedEdges, UseExisting = [], reversedEdges
151 entry = self.MainShapeEntry()
152 reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
154 hyp = self.Hypothesis("NumberOfSegments", [n, reversedEdgeInd, entry],
155 UseExisting=UseExisting,
156 CompareMethod=self._compareNumberOfSegments)
158 hyp = self.Hypothesis("NumberOfSegments", [n,s, reversedEdgeInd, entry],
159 UseExisting=UseExisting,
160 CompareMethod=self._compareNumberOfSegments)
161 hyp.SetScaleFactor(s)
162 hyp.SetNumberOfSegments(n)
163 hyp.SetReversedEdges( reversedEdgeInd )
164 hyp.SetObjectEntry( entry )
169 # Checks if the given "NumberOfSegments" hypothesis has the same parameters as the given arguments
170 def _compareNumberOfSegments(self, hyp, args):
171 if hyp.GetNumberOfSegments() == args[0]:
173 if hyp.GetReversedEdges() == args[1]:
174 if not args[1] or hyp.GetObjectEntry() == args[2]:
177 from salome.smesh.smeshBuilder import IsEqual
178 if hyp.GetReversedEdges() == args[2]:
179 if not args[2] or hyp.GetObjectEntry() == args[3]:
180 if hyp.GetDistrType() == 1:
181 if IsEqual(hyp.GetScaleFactor(), args[1]):
185 ## Defines "Adaptive" hypothesis to cut an edge into segments keeping segment size
186 # within the given range and considering (1) deflection of segments from the edge
187 # and (2) distance from segments to closest edges and faces to have segment length
188 # not longer than two times shortest distances to edges and faces.
189 # @param minSize defines the minimal allowed segment length
190 # @param maxSize defines the maximal allowed segment length
191 # @param deflection defines the maximal allowed distance from a segment to an edge
192 # @param UseExisting if ==true - searches for an existing hypothesis created with
193 # the same parameters, else (default) - creates a new one
194 # @return an instance of StdMeshers_Adaptive1D hypothesis
195 # @ingroup l3_hypos_1dhyps
196 def Adaptive(self, minSize, maxSize, deflection, UseExisting=False):
197 from salome.smesh.smeshBuilder import IsEqual
198 compFun = lambda hyp, args: ( IsEqual(hyp.GetMinSize(), args[0]) and \
199 IsEqual(hyp.GetMaxSize(), args[1]) and \
200 IsEqual(hyp.GetDeflection(), args[2]))
201 hyp = self.Hypothesis("Adaptive1D", [minSize, maxSize, deflection],
202 UseExisting=UseExisting, CompareMethod=compFun)
203 hyp.SetMinSize(minSize)
204 hyp.SetMaxSize(maxSize)
205 hyp.SetDeflection(deflection)
208 ## Defines "Arithmetic1D" hypothesis to cut an edge in several segments with a length
209 # that changes in arithmetic progression
210 # @param start defines the length of the first segment
211 # @param end defines the length of the last segment
212 # @param reversedEdges is a list of edges to mesh using reversed orientation.
213 # A list item can also be a tuple (edge, 1st_vertex_of_edge)
214 # @param UseExisting if ==true - searches for an existing hypothesis created with
215 # the same parameters, else (default) - creates a new one
216 # @return an instance of StdMeshers_Arithmetic1D hypothesis
217 # @ingroup l3_hypos_1dhyps
218 def Arithmetic1D(self, start, end, reversedEdges=[], UseExisting=0):
219 if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
220 reversedEdges, UseExisting = [], reversedEdges
221 reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
222 entry = self.MainShapeEntry()
223 from salome.smesh.smeshBuilder import IsEqual
224 compFun = lambda hyp, args: ( IsEqual(hyp.GetLength(1), args[0]) and \
225 IsEqual(hyp.GetLength(0), args[1]) and \
226 hyp.GetReversedEdges() == args[2] and \
227 (not args[2] or hyp.GetObjectEntry() == args[3]))
228 hyp = self.Hypothesis("Arithmetic1D", [start, end, reversedEdgeInd, entry],
229 UseExisting=UseExisting, CompareMethod=compFun)
230 hyp.SetStartLength(start)
231 hyp.SetEndLength(end)
232 hyp.SetReversedEdges( reversedEdgeInd )
233 hyp.SetObjectEntry( entry )
236 ## Defines "GeometricProgression" hypothesis to cut an edge in several
237 # segments with a length that changes in Geometric progression
238 # @param start defines the length of the first segment
239 # @param ratio defines the common ratio of the geometric progression
240 # @param reversedEdges is a list of edges to mesh using reversed orientation.
241 # A list item can also be a tuple (edge, 1st_vertex_of_edge)
242 # @param UseExisting if ==true - searches for an existing hypothesis created with
243 # the same parameters, else (default) - creates a new one
244 # @return an instance of StdMeshers_Geometric1D hypothesis
245 # @ingroup l3_hypos_1dhyps
246 def GeometricProgression(self, start, ratio, reversedEdges=[], UseExisting=0):
247 reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
248 entry = self.MainShapeEntry()
249 from salome.smesh.smeshBuilder import IsEqual
250 compFun = lambda hyp, args: ( IsEqual(hyp.GetLength(1), args[0]) and \
251 IsEqual(hyp.GetLength(0), args[1]) and \
252 hyp.GetReversedEdges() == args[2] and \
253 (not args[2] or hyp.GetObjectEntry() == args[3]))
254 hyp = self.Hypothesis("GeometricProgression", [start, ratio, reversedEdgeInd, entry],
255 UseExisting=UseExisting, CompareMethod=compFun)
256 hyp.SetStartLength( start )
257 hyp.SetCommonRatio( ratio )
258 hyp.SetReversedEdges( reversedEdgeInd )
259 hyp.SetObjectEntry( entry )
262 ## Defines "FixedPoints1D" hypothesis to cut an edge using parameter
263 # on curve from 0 to 1 (additionally it is neecessary to check
264 # orientation of edges and create list of reversed edges if it is
265 # needed) and sets numbers of segments between given points (default
267 # @param points defines the list of parameters on curve
268 # @param nbSegs defines the list of numbers of segments
269 # @param reversedEdges is a list of edges to mesh using reversed orientation.
270 # A list item can also be a tuple (edge, 1st_vertex_of_edge)
271 # @param UseExisting if ==true - searches for an existing hypothesis created with
272 # the same parameters, else (default) - creates a new one
273 # @return an instance of StdMeshers_FixedPoints1D hypothesis
274 # @ingroup l3_hypos_1dhyps
275 def FixedPoints1D(self, points, nbSegs=[1], reversedEdges=[], UseExisting=0):
276 if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
277 reversedEdges, UseExisting = [], reversedEdges
278 reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
279 entry = self.MainShapeEntry()
280 compFun = lambda hyp, args: ( hyp.GetPoints() == args[0] and \
281 hyp.GetNbSegments() == args[1] and \
282 hyp.GetReversedEdges() == args[2] and \
283 (not args[2] or hyp.GetObjectEntry() == args[3]))
284 hyp = self.Hypothesis("FixedPoints1D", [points, nbSegs, reversedEdgeInd, entry],
285 UseExisting=UseExisting, CompareMethod=compFun)
286 hyp.SetPoints(points)
287 hyp.SetNbSegments(nbSegs)
288 hyp.SetReversedEdges(reversedEdgeInd)
289 hyp.SetObjectEntry(entry)
292 ## Defines "StartEndLength" hypothesis to cut an edge in several segments with increasing geometric length
293 # @param start defines the length of the first segment
294 # @param end defines the length of the last segment
295 # @param reversedEdges is a list of edges to mesh using reversed orientation.
296 # A list item can also be a tuple (edge, 1st_vertex_of_edge)
297 # @param UseExisting if ==true - searches for an existing hypothesis created with
298 # the same parameters, else (default) - creates a new one
299 # @return an instance of StdMeshers_StartEndLength hypothesis
300 # @ingroup l3_hypos_1dhyps
301 def StartEndLength(self, start, end, reversedEdges=[], UseExisting=0):
302 if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
303 reversedEdges, UseExisting = [], reversedEdges
304 reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
305 entry = self.MainShapeEntry()
306 from salome.smesh.smeshBuilder import IsEqual
307 compFun = lambda hyp, args: ( IsEqual(hyp.GetLength(1), args[0]) and \
308 IsEqual(hyp.GetLength(0), args[1]) and \
309 hyp.GetReversedEdges() == args[2] and \
310 (not args[2] or hyp.GetObjectEntry() == args[3]))
311 hyp = self.Hypothesis("StartEndLength", [start, end, reversedEdgeInd, entry],
312 UseExisting=UseExisting, CompareMethod=compFun)
313 hyp.SetStartLength(start)
314 hyp.SetEndLength(end)
315 hyp.SetReversedEdges( reversedEdgeInd )
316 hyp.SetObjectEntry( entry )
319 ## Defines "Deflection1D" hypothesis
320 # @param d for the deflection
321 # @param UseExisting if ==true - searches for an existing hypothesis created with
322 # the same parameters, else (default) - create a new one
323 # @ingroup l3_hypos_1dhyps
324 def Deflection1D(self, d, UseExisting=0):
325 from salome.smesh.smeshBuilder import IsEqual
326 compFun = lambda hyp, args: IsEqual(hyp.GetDeflection(), args[0])
327 hyp = self.Hypothesis("Deflection1D", [d], UseExisting=UseExisting, CompareMethod=compFun)
331 ## Defines "Propagation" hypothesis that propagates 1D hypotheses
332 # from an edge where this hypothesis is assigned to
333 # on all other edges that are at the opposite side in case of quadrangular faces
334 # This hypothesis should be assigned to an edge to propagate a hypothesis from.
335 # @ingroup l3_hypos_additi
336 def Propagation(self):
337 return self.Hypothesis("Propagation", UseExisting=1, CompareMethod=self.CompareEqualHyp)
339 ## Defines "Propagation of Node Distribution" hypothesis that propagates
340 # distribution of nodes from an edge where this hypothesis is assigned to,
341 # to opposite edges of quadrangular faces, so that number of segments on all these
342 # edges will be the same, as well as relations between segment lengths.
343 # @ingroup l3_hypos_additi
344 def PropagationOfDistribution(self):
345 return self.Hypothesis("PropagOfDistribution", UseExisting=1,
346 CompareMethod=self.CompareEqualHyp)
348 ## Defines "AutomaticLength" hypothesis
349 # @param fineness for the fineness [0-1]
350 # @param UseExisting if ==true - searches for an existing hypothesis created with the
351 # same parameters, else (default) - create a new one
352 # @ingroup l3_hypos_1dhyps
353 def AutomaticLength(self, fineness=0, UseExisting=0):
354 from salome.smesh.smeshBuilder import IsEqual
355 compFun = lambda hyp, args: IsEqual(hyp.GetFineness(), args[0])
356 hyp = self.Hypothesis("AutomaticLength",[fineness],UseExisting=UseExisting,
357 CompareMethod=compFun)
358 hyp.SetFineness( fineness )
361 ## Defines "SegmentLengthAroundVertex" hypothesis
362 # @param length for the segment length
363 # @param vertex for the length localization: the vertex index [0,1] | vertex object.
364 # Any other integer value means that the hypothesis will be set on the
365 # whole 1D shape, where Mesh_Segment algorithm is assigned.
366 # @param UseExisting if ==true - searches for an existing hypothesis created with
367 # the same parameters, else (default) - creates a new one
368 # @ingroup l3_algos_segmarv
369 def LengthNearVertex(self, length, vertex=0, UseExisting=0):
371 store_geom = self.geom
372 if type(vertex) is types.IntType:
373 if vertex == 0 or vertex == 1:
374 from salome.geom import geomBuilder
375 vertex = self.mesh.geompyD.ExtractShapes(self.geom, geomBuilder.geomBuilder.ShapeType["VERTEX"],True)[vertex]
383 if self.geom is None:
384 raise RuntimeError, "Attemp to create SegmentAroundVertex_0D algoritm on None shape"
385 from salome.smesh.smeshBuilder import AssureGeomPublished, GetName, TreatHypoStatus
386 AssureGeomPublished( self.mesh, self.geom )
387 name = GetName(self.geom)
389 algo = self.FindAlgorithm("SegmentAroundVertex_0D", self.mesh.smeshpyD)
391 algo = self.mesh.smeshpyD.CreateHypothesis("SegmentAroundVertex_0D", "libStdMeshersEngine.so")
393 status = self.mesh.mesh.AddHypothesis(self.geom, algo)
394 TreatHypoStatus(status, "SegmentAroundVertex_0D", name, True, self.mesh)
396 from salome.smesh.smeshBuilder import IsEqual
397 comFun = lambda hyp, args: IsEqual(hyp.GetLength(), args[0])
398 hyp = self.Hypothesis("SegmentLengthAroundVertex", [length], UseExisting=UseExisting,
399 CompareMethod=comFun)
400 self.geom = store_geom
401 hyp.SetLength( length )
404 ## Defines "QuadraticMesh" hypothesis, forcing construction of quadratic edges.
405 # If the 2D mesher sees that all boundary edges are quadratic,
406 # it generates quadratic faces, else it generates linear faces using
407 # medium nodes as if they are vertices.
408 # The 3D mesher generates quadratic volumes only if all boundary faces
409 # are quadratic, else it fails.
411 # @ingroup l3_hypos_additi
412 def QuadraticMesh(self):
413 hyp = self.Hypothesis("QuadraticMesh", UseExisting=1, CompareMethod=self.CompareEqualHyp)
416 pass # end of StdMeshersBuilder_Segment class
418 ## Segment 1D algorithm for discretization of a set of adjacent edges as one edge.
420 # It is created by calling smeshBuilder.Mesh.Segment(smeshBuilder.COMPOSITE,geom=0)
422 # @ingroup l3_algos_basic
423 class StdMeshersBuilder_CompositeSegment(StdMeshersBuilder_Segment):
425 ## name of the dynamic method in smeshBuilder.Mesh class
427 meshMethod = "Segment"
428 ## type of algorithm used with helper function in smeshBuilder.Mesh class
431 ## flag pointing whether this algorithm should be used by default in dynamic method
432 # of smeshBuilder.Mesh class
435 ## doc string of the method
437 docHelper = "Creates segment 1D algorithm for edges"
439 ## Private constructor.
440 # @param mesh parent mesh object algorithm is assigned to
441 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
442 # if it is @c 0 (default), the algorithm is assigned to the main shape
443 def __init__(self, mesh, geom=0):
444 self.Create(mesh, geom, self.algoType)
447 pass # end of StdMeshersBuilder_CompositeSegment class
449 ## Defines a segment 1D algorithm for discretization of edges with Python function
451 # It is created by calling smeshBuilder.Mesh.Segment(smeshBuilder.PYTHON,geom=0)
453 # @ingroup l3_algos_basic
454 class StdMeshersBuilder_Segment_Python(Mesh_Algorithm):
456 ## name of the dynamic method in smeshBuilder.Mesh class
458 meshMethod = "Segment"
459 ## type of algorithm used with helper function in smeshBuilder.Mesh class
462 ## doc string of the method
464 docHelper = "Creates segment 1D algorithm for edges"
466 ## Private constructor.
467 # @param mesh parent mesh object algorithm is assigned to
468 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
469 # if it is @c 0 (default), the algorithm is assigned to the main shape
470 def __init__(self, mesh, geom=0):
471 import Python1dPlugin
472 self.Create(mesh, geom, self.algoType, "libPython1dEngine.so")
475 ## Defines "PythonSplit1D" hypothesis
476 # @param n for the number of segments that cut an edge
477 # @param func for the python function that calculates the length of all segments
478 # @param UseExisting if ==true - searches for the existing hypothesis created with
479 # the same parameters, else (default) - creates a new one
480 # @ingroup l3_hypos_1dhyps
481 def PythonSplit1D(self, n, func, UseExisting=0):
482 compFun = lambda hyp, args: False
483 hyp = self.Hypothesis("PythonSplit1D", [n], "libPython1dEngine.so",
484 UseExisting=UseExisting, CompareMethod=compFun)
485 hyp.SetNumberOfSegments(n)
486 hyp.SetPythonLog10RatioFunction(func)
489 pass # end of StdMeshersBuilder_Segment_Python class
491 ## Triangle MEFISTO 2D algorithm
493 # It is created by calling smeshBuilder.Mesh.Triangle(smeshBuilder.MEFISTO,geom=0)
495 # @ingroup l3_algos_basic
496 class StdMeshersBuilder_Triangle_MEFISTO(Mesh_Algorithm):
498 ## name of the dynamic method in smeshBuilder.Mesh class
500 meshMethod = "Triangle"
501 ## type of algorithm used with helper function in smeshBuilder.Mesh class
504 ## flag pointing whether this algorithm should be used by default in dynamic method
505 # of smeshBuilder.Mesh class
508 ## doc string of the method
510 docHelper = "Creates triangle 2D algorithm for faces"
512 ## Private constructor.
513 # @param mesh parent mesh object algorithm is assigned to
514 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
515 # if it is @c 0 (default), the algorithm is assigned to the main shape
516 def __init__(self, mesh, geom=0):
517 Mesh_Algorithm.__init__(self)
518 self.Create(mesh, geom, self.algoType)
521 ## Defines "MaxElementArea" hypothesis basing on the definition of the maximum area of each triangle
522 # @param area for the maximum area of each triangle
523 # @param UseExisting if ==true - searches for an existing hypothesis created with the
524 # same parameters, else (default) - creates a new one
526 # @ingroup l3_hypos_2dhyps
527 def MaxElementArea(self, area, UseExisting=0):
528 from salome.smesh.smeshBuilder import IsEqual
529 comparator = lambda hyp, args: IsEqual(hyp.GetMaxElementArea(), args[0])
530 hyp = self.Hypothesis("MaxElementArea", [area], UseExisting=UseExisting,
531 CompareMethod=comparator)
532 hyp.SetMaxElementArea(area)
535 ## Defines "LengthFromEdges" hypothesis to build triangles
536 # based on the length of the edges taken from the wire
538 # @ingroup l3_hypos_2dhyps
539 def LengthFromEdges(self):
540 hyp = self.Hypothesis("LengthFromEdges", UseExisting=1, CompareMethod=self.CompareEqualHyp)
543 pass # end of StdMeshersBuilder_Triangle_MEFISTO class
545 ## Defines a quadrangle 2D algorithm
547 # It is created by calling smeshBuilder.Mesh.Quadrangle(geom=0)
549 # @ingroup l3_algos_basic
550 class StdMeshersBuilder_Quadrangle(Mesh_Algorithm):
552 ## name of the dynamic method in smeshBuilder.Mesh class
554 meshMethod = "Quadrangle"
555 ## type of algorithm used with helper function in smeshBuilder.Mesh class
557 algoType = QUADRANGLE
558 ## flag pointing whether this algorithm should be used by default in dynamic method
559 # of smeshBuilder.Mesh class
562 ## doc string of the method
564 docHelper = "Creates quadrangle 2D algorithm for faces"
565 ## hypothesis associated with algorithm
569 ## Private constructor.
570 # @param mesh parent mesh object algorithm is assigned to
571 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
572 # if it is @c 0 (default), the algorithm is assigned to the main shape
573 def __init__(self, mesh, geom=0):
574 Mesh_Algorithm.__init__(self)
575 self.Create(mesh, geom, self.algoType)
578 ## Defines "QuadrangleParameters" hypothesis
579 # @param quadType defines the algorithm of transition between differently descretized
580 # sides of a geometrical face:
581 # - QUAD_STANDARD - both triangles and quadrangles are possible in the transition
582 # area along the finer meshed sides.
583 # - QUAD_TRIANGLE_PREF - only triangles are built in the transition area along the
584 # finer meshed sides.
585 # - QUAD_QUADRANGLE_PREF - only quadrangles are built in the transition area along
586 # the finer meshed sides, iff the total quantity of segments on
587 # all four sides of the face is even (divisible by 2).
588 # - QUAD_QUADRANGLE_PREF_REVERSED - same as QUAD_QUADRANGLE_PREF but the transition
589 # area is located along the coarser meshed sides.
590 # - QUAD_REDUCED - only quadrangles are built and the transition between the sides
591 # is made gradually, layer by layer. This type has a limitation on
592 # the number of segments: one pair of opposite sides must have the
593 # same number of segments, the other pair must have an even difference
594 # between the numbers of segments on the sides.
595 # @param triangleVertex: vertex of a trilateral geometrical face, around which triangles
596 # will be created while other elements will be quadrangles.
597 # Vertex can be either a GEOM_Object or a vertex ID within the
599 # @param enfVertices: list of shapes defining positions where nodes (enforced nodes)
600 # must be created by the mesher. Shapes can be of any type,
601 # vertices of given shapes define positions of enforced nodes.
602 # Only vertices successfully projected to the face are used.
603 # @param enfPoints: list of points giving positions of enforced nodes.
604 # Point can be defined either as SMESH.PointStruct's
605 # ([SMESH.PointStruct(x1,y1,z1), SMESH.PointStruct(x2,y2,z2),...])
606 # or triples of values ([[x1,y1,z1], [x2,y2,z2], ...]).
607 # In the case if the defined QuadrangleParameters() refer to a sole face,
608 # all given points must lie on this face, else the mesher fails.
609 # @param UseExisting: if \c True - searches for the existing hypothesis created with
610 # the same parameters, else (default) - creates a new one
611 # @ingroup l3_hypos_quad
612 def QuadrangleParameters(self, quadType=StdMeshers.QUAD_STANDARD, triangleVertex=0,
613 enfVertices=[],enfPoints=[],UseExisting=0):
615 vertexID = triangleVertex
616 if isinstance( triangleVertex, GEOM._objref_GEOM_Object ):
617 vertexID = self.mesh.geompyD.GetSubShapeID( self.mesh.geom, triangleVertex )
618 if isinstance( enfVertices, int ) and not enfPoints and not UseExisting:
619 # a call of old syntax, before inserting enfVertices and enfPoints before UseExisting
620 UseExisting, enfVertices = enfVertices, []
621 pStructs, xyz = [], []
623 if isinstance( p, SMESH.PointStruct ):
624 xyz.append(( p.x, p.y, p.z ))
627 xyz.append(( p[0], p[1], p[2] ))
628 pStructs.append( SMESH.PointStruct( p[0], p[1], p[2] ))
630 compFun = lambda hyp,args: \
631 hyp.GetQuadType() == args[0] and \
632 (hyp.GetTriaVertex()==args[1] or ( hyp.GetTriaVertex()<1 and args[1]<1)) and \
633 ((hyp.GetEnforcedNodes()) == (args[2],args[3])) # True w/o enfVertices only
634 entries = [ shape.GetStudyEntry() for shape in enfVertices ]
635 self.params = self.Hypothesis("QuadrangleParams", [quadType,vertexID,entries,xyz],
636 UseExisting = UseExisting, CompareMethod=compFun)
638 if self.params.GetQuadType() != quadType:
639 self.params.SetQuadType(quadType)
641 self.params.SetTriaVertex( vertexID )
642 from salome.smesh.smeshBuilder import AssureGeomPublished
643 for v in enfVertices:
644 AssureGeomPublished( self.mesh, v )
645 self.params.SetEnforcedNodes( enfVertices, pStructs )
648 ## Defines "QuadrangleParams" hypothesis with a type of quadrangulation that only
649 # quadrangles are built in the transition area along the finer meshed sides,
650 # iff the total quantity of segments on all four sides of the face is even.
651 # @param reversed if True, transition area is located along the coarser meshed sides.
652 # @param UseExisting: if ==true - searches for the existing hypothesis created with
653 # the same parameters, else (default) - creates a new one
654 # @ingroup l3_hypos_quad
655 def QuadranglePreference(self, reversed=False, UseExisting=0):
657 return self.QuadrangleParameters(QUAD_QUADRANGLE_PREF_REVERSED,UseExisting=UseExisting)
658 return self.QuadrangleParameters(QUAD_QUADRANGLE_PREF,UseExisting=UseExisting)
660 ## Defines "QuadrangleParams" hypothesis with a type of quadrangulation that only
661 # triangles are built in the transition area along the finer meshed sides.
662 # @param UseExisting: if ==true - searches for the existing hypothesis created with
663 # the same parameters, else (default) - creates a new one
664 # @ingroup l3_hypos_quad
665 def TrianglePreference(self, UseExisting=0):
666 return self.QuadrangleParameters(QUAD_TRIANGLE_PREF,UseExisting=UseExisting)
668 ## Defines "QuadrangleParams" hypothesis with a type of quadrangulation that only
669 # quadrangles are built and the transition between the sides is made gradually,
670 # layer by layer. This type has a limitation on the number of segments: one pair
671 # of opposite sides must have the same number of segments, the other pair must
672 # have an even difference between the numbers of segments on the sides.
673 # @param UseExisting: if ==true - searches for the existing hypothesis created with
674 # the same parameters, else (default) - creates a new one
675 # @ingroup l3_hypos_quad
676 def Reduced(self, UseExisting=0):
677 return self.QuadrangleParameters(QUAD_REDUCED,UseExisting=UseExisting)
679 ## Defines "QuadrangleParams" hypothesis with QUAD_STANDARD type of quadrangulation
680 # @param vertex: vertex of a trilateral geometrical face, around which triangles
681 # will be created while other elements will be quadrangles.
682 # Vertex can be either a GEOM_Object or a vertex ID within the
684 # @param UseExisting: if ==true - searches for the existing hypothesis created with
685 # the same parameters, else (default) - creates a new one
686 # @ingroup l3_hypos_quad
687 def TriangleVertex(self, vertex, UseExisting=0):
688 return self.QuadrangleParameters(QUAD_STANDARD,vertex,UseExisting)
690 pass # end of StdMeshersBuilder_Quadrangle class
692 ## Defines a hexahedron 3D algorithm
694 # It is created by calling smeshBuilder.Mesh.Hexahedron(geom=0)
696 # @ingroup l3_algos_basic
697 class StdMeshersBuilder_Hexahedron(Mesh_Algorithm):
699 ## name of the dynamic method in smeshBuilder.Mesh class
701 meshMethod = "Hexahedron"
702 ## type of algorithm used with helper function in smeshBuilder.Mesh class
705 ## flag pointing whether this algorithm should be used by default in dynamic method
706 # of smeshBuilder.Mesh class
709 ## doc string of the method
711 docHelper = "Creates hexahedron 3D algorithm for volumes"
713 ## Private constructor.
714 # @param mesh parent mesh object algorithm is assigned to
715 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
716 # if it is @c 0 (default), the algorithm is assigned to the main shape
717 def __init__(self, mesh, geom=0):
718 Mesh_Algorithm.__init__(self)
719 self.Create(mesh, geom, Hexa)
722 pass # end of StdMeshersBuilder_Hexahedron class
724 ## Defines a projection 1D algorithm
726 # It is created by calling smeshBuilder.Mesh.Projection1D(geom=0)
728 # @ingroup l3_algos_proj
729 class StdMeshersBuilder_Projection1D(Mesh_Algorithm):
731 ## name of the dynamic method in smeshBuilder.Mesh class
733 meshMethod = "Projection1D"
734 ## type of algorithm used with helper function in smeshBuilder.Mesh class
736 algoType = "Projection_1D"
737 ## flag pointing whether this algorithm should be used by default in dynamic method
738 # of smeshBuilder.Mesh class
741 ## doc string of the method
743 docHelper = "Creates projection 1D algorithm for edges"
745 ## Private constructor.
746 # @param mesh parent mesh object algorithm is assigned to
747 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
748 # if it is @c 0 (default), the algorithm is assigned to the main shape
749 def __init__(self, mesh, geom=0):
750 Mesh_Algorithm.__init__(self)
751 self.Create(mesh, geom, self.algoType)
754 ## Defines "Source Edge" hypothesis, specifying a meshed edge, from where
755 # a mesh pattern is taken, and, optionally, the association of vertices
756 # between the source edge and a target edge (to which a hypothesis is assigned)
757 # @param edge from which nodes distribution is taken
758 # @param mesh from which nodes distribution is taken (optional)
759 # @param srcV a vertex of \a edge to associate with \a tgtV (optional)
760 # @param tgtV a vertex of \a the edge to which the algorithm is assigned,
761 # to associate with \a srcV (optional)
762 # @param UseExisting if ==true - searches for the existing hypothesis created with
763 # the same parameters, else (default) - creates a new one
764 def SourceEdge(self, edge, mesh=None, srcV=None, tgtV=None, UseExisting=0):
765 from salome.smesh.smeshBuilder import AssureGeomPublished, Mesh
766 AssureGeomPublished( self.mesh, edge )
767 AssureGeomPublished( self.mesh, srcV )
768 AssureGeomPublished( self.mesh, tgtV )
769 hyp = self.Hypothesis("ProjectionSource1D", [edge,mesh,srcV,tgtV],
771 # it does not seem to be useful to reuse the existing "SourceEdge" hypothesis
772 #UseExisting=UseExisting, CompareMethod=self.CompareSourceEdge)
773 hyp.SetSourceEdge( edge )
774 if not mesh is None and isinstance(mesh, Mesh):
775 mesh = mesh.GetMesh()
776 hyp.SetSourceMesh( mesh )
777 hyp.SetVertexAssociation( srcV, tgtV )
780 pass # end of StdMeshersBuilder_Projection1D class
782 ## Defines a projection 2D algorithm
784 # It is created by calling smeshBuilder.Mesh.Projection2D(geom=0)
786 # @ingroup l3_algos_proj
787 class StdMeshersBuilder_Projection2D(Mesh_Algorithm):
789 ## name of the dynamic method in smeshBuilder.Mesh class
791 meshMethod = "Projection2D"
792 ## type of algorithm used with helper function in smeshBuilder.Mesh class
794 algoType = "Projection_2D"
795 ## flag pointing whether this algorithm should be used by default in dynamic method
796 # of smeshBuilder.Mesh class
799 ## doc string of the method
801 docHelper = "Creates projection 2D algorithm for faces"
803 ## Private constructor.
804 # @param mesh parent mesh object algorithm is assigned to
805 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
806 # if it is @c 0 (default), the algorithm is assigned to the main shape
807 def __init__(self, mesh, geom=0):
808 Mesh_Algorithm.__init__(self)
809 self.Create(mesh, geom, self.algoType)
812 ## Defines "Source Face" hypothesis, specifying a meshed face, from where
813 # a mesh pattern is taken, and, optionally, the association of vertices
814 # between the source face and the target face (to which a hypothesis is assigned)
815 # @param face from which the mesh pattern is taken
816 # @param mesh from which the mesh pattern is taken (optional)
817 # @param srcV1 a vertex of \a face to associate with \a tgtV1 (optional)
818 # @param tgtV1 a vertex of \a the face to which the algorithm is assigned,
819 # to associate with \a srcV1 (optional)
820 # @param srcV2 a vertex of \a face to associate with \a tgtV1 (optional)
821 # @param tgtV2 a vertex of \a the face to which the algorithm is assigned,
822 # to associate with \a srcV2 (optional)
823 # @param UseExisting if ==true - forces the search for the existing hypothesis created with
824 # the same parameters, else (default) - forces the creation a new one
826 # Note: all association vertices must belong to one edge of a face
827 def SourceFace(self, face, mesh=None, srcV1=None, tgtV1=None,
828 srcV2=None, tgtV2=None, UseExisting=0):
829 from salome.smesh.smeshBuilder import Mesh
830 if isinstance(mesh, Mesh):
831 mesh = mesh.GetMesh()
832 for geom in [ face, srcV1, tgtV1, srcV2, tgtV2 ]:
833 from salome.smesh.smeshBuilder import AssureGeomPublished
834 AssureGeomPublished( self.mesh, geom )
835 hyp = self.Hypothesis("ProjectionSource2D", [face,mesh,srcV1,tgtV1,srcV2,tgtV2],
836 UseExisting=0, toAdd=False)
837 # it does not seem to be useful to reuse the existing "SourceFace" hypothesis
838 #UseExisting=UseExisting, CompareMethod=self.CompareSourceFace)
839 hyp.SetSourceFace( face )
840 hyp.SetSourceMesh( mesh )
841 hyp.SetVertexAssociation( srcV1, srcV2, tgtV1, tgtV2 )
842 self.mesh.AddHypothesis(hyp, self.geom)
845 pass # end of StdMeshersBuilder_Projection2D class
847 ## Defines a projection 1D-2D algorithm
849 # It is created by calling smeshBuilder.Mesh.Projection1D2D(geom=0)
851 # @ingroup l3_algos_proj
852 class StdMeshersBuilder_Projection1D2D(StdMeshersBuilder_Projection2D):
854 ## name of the dynamic method in smeshBuilder.Mesh class
856 meshMethod = "Projection1D2D"
857 ## type of algorithm used with helper function in smeshBuilder.Mesh class
859 algoType = "Projection_1D2D"
860 ## doc string of the method
862 docHelper = "Creates projection 1D-2D algorithm for faces"
864 ## Private constructor.
865 # @param mesh parent mesh object algorithm is assigned to
866 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
867 # if it is @c 0 (default), the algorithm is assigned to the main shape
868 def __init__(self, mesh, geom=0):
869 StdMeshersBuilder_Projection2D.__init__(self, mesh, geom)
872 pass # end of StdMeshersBuilder_Projection1D2D class
874 ## Defines a projection 3D algorithm
876 # It is created by calling smeshBuilder.Mesh.Projection3D(geom=0)
878 # @ingroup l3_algos_proj
879 class StdMeshersBuilder_Projection3D(Mesh_Algorithm):
881 ## name of the dynamic method in smeshBuilder.Mesh class
883 meshMethod = "Projection3D"
884 ## type of algorithm used with helper function in smeshBuilder.Mesh class
886 algoType = "Projection_3D"
887 ## doc string of the method
889 docHelper = "Creates projection 3D algorithm for volumes"
891 ## Private constructor.
892 # @param mesh parent mesh object algorithm is assigned to
893 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
894 # if it is @c 0 (default), the algorithm is assigned to the main shape
895 def __init__(self, mesh, geom=0):
896 Mesh_Algorithm.__init__(self)
897 self.Create(mesh, geom, self.algoType)
900 ## Defines the "Source Shape 3D" hypothesis, specifying a meshed solid, from where
901 # the mesh pattern is taken, and, optionally, the association of vertices
902 # between the source and the target solid (to which a hipothesis is assigned)
903 # @param solid from where the mesh pattern is taken
904 # @param mesh from where the mesh pattern is taken (optional)
905 # @param srcV1 a vertex of \a solid to associate with \a tgtV1 (optional)
906 # @param tgtV1 a vertex of \a the solid where the algorithm is assigned,
907 # to associate with \a srcV1 (optional)
908 # @param srcV2 a vertex of \a solid to associate with \a tgtV1 (optional)
909 # @param tgtV2 a vertex of \a the solid to which the algorithm is assigned,
910 # to associate with \a srcV2 (optional)
911 # @param UseExisting - if ==true - searches for the existing hypothesis created with
912 # the same parameters, else (default) - creates a new one
914 # Note: association vertices must belong to one edge of a solid
915 def SourceShape3D(self, solid, mesh=0, srcV1=0, tgtV1=0,
916 srcV2=0, tgtV2=0, UseExisting=0):
917 for geom in [ solid, srcV1, tgtV1, srcV2, tgtV2 ]:
918 from salome.smesh.smeshBuilder import AssureGeomPublished
919 AssureGeomPublished( self.mesh, geom )
920 hyp = self.Hypothesis("ProjectionSource3D",
921 [solid,mesh,srcV1,tgtV1,srcV2,tgtV2],
923 # seems to be not really useful to reuse existing "SourceShape3D" hypothesis
924 #UseExisting=UseExisting, CompareMethod=self.CompareSourceShape3D)
925 hyp.SetSource3DShape( solid )
926 from salome.smesh.smeshBuilder import Mesh
927 if isinstance(mesh, Mesh):
928 mesh = mesh.GetMesh()
930 hyp.SetSourceMesh( mesh )
931 if srcV1 and srcV2 and tgtV1 and tgtV2:
932 hyp.SetVertexAssociation( srcV1, srcV2, tgtV1, tgtV2 )
933 #elif srcV1 or srcV2 or tgtV1 or tgtV2:
936 pass # end of StdMeshersBuilder_Projection3D class
938 ## Defines a Prism 3D algorithm, which is either "Extrusion 3D" or "Radial Prism"
939 # depending on geometry
941 # It is created by calling smeshBuilder.Mesh.Prism(geom=0)
943 # @ingroup l3_algos_3dextr
944 class StdMeshersBuilder_Prism3D(Mesh_Algorithm):
946 ## name of the dynamic method in smeshBuilder.Mesh class
949 ## type of algorithm used with helper function in smeshBuilder.Mesh class
951 algoType = "Prism_3D"
952 ## doc string of the method
954 docHelper = "Creates prism 3D algorithm for volumes"
956 ## Private constructor.
957 # @param mesh parent mesh object algorithm is assigned to
958 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
959 # if it is @c 0 (default), the algorithm is assigned to the main shape
960 def __init__(self, mesh, geom=0):
961 Mesh_Algorithm.__init__(self)
966 isRadial = mesh.smeshpyD.IsApplicable("RadialPrism_3D", LIBRARY, shape, False )
968 self.Create(mesh, geom, "Prism_3D")
971 self.algoType = "RadialPrism_3D"
972 self.Create(mesh, geom, "RadialPrism_3D")
973 self.distribHyp = None #self.Hypothesis("LayerDistribution", UseExisting=0)
978 ## Return 3D hypothesis holding the 1D one
979 def Get3DHypothesis(self):
980 if self.algoType != "RadialPrism_3D":
981 print "Prism_3D algorith doesn't support any hyposesis"
983 return self.distribHyp
985 ## Private method creating a 1D hypothesis and storing it in the LayerDistribution
986 # hypothesis. Returns the created hypothesis
987 def OwnHypothesis(self, hypType, args=[], so="libStdMeshersEngine.so"):
988 if self.algoType != "RadialPrism_3D":
989 print "Prism_3D algorith doesn't support any hyposesis"
991 if not self.nbLayers is None:
992 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.nbLayers )
993 self.mesh.GetMesh().AddHypothesis( self.geom, self.distribHyp )
994 study = self.mesh.smeshpyD.GetCurrentStudy() # prevents publishing own 1D hypothesis
995 self.mesh.smeshpyD.SetCurrentStudy( None )
996 hyp = self.mesh.smeshpyD.CreateHypothesis(hypType, so)
997 self.mesh.smeshpyD.SetCurrentStudy( study ) # enables publishing
998 if not self.distribHyp:
999 self.distribHyp = self.Hypothesis("LayerDistribution", UseExisting=0)
1000 self.distribHyp.SetLayerDistribution( hyp )
1003 ## Defines "NumberOfLayers" hypothesis, specifying the number of layers of
1004 # prisms to build between the inner and outer shells
1005 # @param n number of layers
1006 # @param UseExisting if ==true - searches for the existing hypothesis created with
1007 # the same parameters, else (default) - creates a new one
1008 def NumberOfLayers(self, n, UseExisting=0):
1009 if self.algoType != "RadialPrism_3D":
1010 print "Prism_3D algorith doesn't support any hyposesis"
1012 self.mesh.RemoveHypothesis( self.distribHyp, self.geom )
1013 from salome.smesh.smeshBuilder import IsEqual
1014 compFun = lambda hyp, args: IsEqual(hyp.GetNumberOfLayers(), args[0])
1015 self.nbLayers = self.Hypothesis("NumberOfLayers", [n], UseExisting=UseExisting,
1016 CompareMethod=compFun)
1017 self.nbLayers.SetNumberOfLayers( n )
1018 return self.nbLayers
1020 ## Defines "LocalLength" hypothesis, specifying the segment length
1021 # to build between the inner and the outer shells
1022 # @param l the length of segments
1023 # @param p the precision of rounding
1024 def LocalLength(self, l, p=1e-07):
1025 if self.algoType != "RadialPrism_3D":
1026 print "Prism_3D algorith doesn't support any hyposesis"
1028 hyp = self.OwnHypothesis("LocalLength", [l,p])
1033 ## Defines "NumberOfSegments" hypothesis, specifying the number of layers of
1034 # prisms to build between the inner and the outer shells.
1035 # @param n the number of layers
1036 # @param s the scale factor (optional)
1037 def NumberOfSegments(self, n, s=[]):
1038 if self.algoType != "RadialPrism_3D":
1039 print "Prism_3D algorith doesn't support any hyposesis"
1042 hyp = self.OwnHypothesis("NumberOfSegments", [n])
1044 hyp = self.OwnHypothesis("NumberOfSegments", [n,s])
1045 hyp.SetScaleFactor(s)
1046 hyp.SetNumberOfSegments(n)
1049 ## Defines "Arithmetic1D" hypothesis, specifying the distribution of segments
1050 # to build between the inner and the outer shells with a length that changes
1051 # in arithmetic progression
1052 # @param start the length of the first segment
1053 # @param end the length of the last segment
1054 def Arithmetic1D(self, start, end ):
1055 if self.algoType != "RadialPrism_3D":
1056 print "Prism_3D algorith doesn't support any hyposesis"
1058 hyp = self.OwnHypothesis("Arithmetic1D", [start, end])
1059 hyp.SetLength(start, 1)
1060 hyp.SetLength(end , 0)
1063 ## Defines "GeometricProgression" hypothesis, specifying the distribution of segments
1064 # to build between the inner and the outer shells with a length that changes
1065 # in Geometric progression
1066 # @param start the length of the first segment
1067 # @param ratio the common ratio of the geometric progression
1068 def GeometricProgression(self, start, ratio ):
1069 if self.algoType != "RadialPrism_3D":
1070 print "Prism_3D algorith doesn't support any hyposesis"
1072 hyp = self.OwnHypothesis("GeometricProgression", [start, ratio])
1073 hyp.SetStartLength( start )
1074 hyp.SetCommonRatio( ratio )
1077 ## Defines "StartEndLength" hypothesis, specifying distribution of segments
1078 # to build between the inner and the outer shells as geometric length increasing
1079 # @param start for the length of the first segment
1080 # @param end for the length of the last segment
1081 def StartEndLength(self, start, end):
1082 if self.algoType != "RadialPrism_3D":
1083 print "Prism_3D algorith doesn't support any hyposesis"
1085 hyp = self.OwnHypothesis("StartEndLength", [start, end])
1086 hyp.SetLength(start, 1)
1087 hyp.SetLength(end , 0)
1090 ## Defines "AutomaticLength" hypothesis, specifying the number of segments
1091 # to build between the inner and outer shells
1092 # @param fineness defines the quality of the mesh within the range [0-1]
1093 def AutomaticLength(self, fineness=0):
1094 if self.algoType != "RadialPrism_3D":
1095 print "Prism_3D algorith doesn't support any hyposesis"
1097 hyp = self.OwnHypothesis("AutomaticLength")
1098 hyp.SetFineness( fineness )
1101 pass # end of StdMeshersBuilder_Prism3D class
1103 ## Defines Radial Prism 3D algorithm
1105 # It is created by calling smeshBuilder.Mesh.Prism(geom=0)
1107 # @ingroup l3_algos_3dextr
1108 class StdMeshersBuilder_RadialPrism3D(StdMeshersBuilder_Prism3D):
1110 ## name of the dynamic method in smeshBuilder.Mesh class
1112 meshMethod = "Prism"
1113 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1115 algoType = "RadialPrism_3D"
1116 ## doc string of the method
1118 docHelper = "Creates Raial Prism 3D algorithm for volumes"
1120 ## Private constructor.
1121 # @param mesh parent mesh object algorithm is assigned to
1122 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1123 # if it is @c 0 (default), the algorithm is assigned to the main shape
1124 def __init__(self, mesh, geom=0):
1125 Mesh_Algorithm.__init__(self)
1130 self.Create(mesh, geom, "RadialPrism_3D")
1131 self.distribHyp = None
1132 self.nbLayers = None
1135 ## Base class for algorithms supporting radial distribution hypotheses
1137 class StdMeshersBuilder_RadialAlgorithm(Mesh_Algorithm):
1140 Mesh_Algorithm.__init__(self)
1142 self.distribHyp = None #self.Hypothesis("LayerDistribution2D", UseExisting=0)
1143 self.nbLayers = None
1146 ## Return 2D hypothesis holding the 1D one
1147 def Get2DHypothesis(self):
1148 if not self.distribHyp:
1149 self.distribHyp = self.Hypothesis("LayerDistribution2D", UseExisting=0)
1150 return self.distribHyp
1152 ## Private method creating a 1D hypothesis and storing it in the LayerDistribution
1153 # hypothesis. Returns the created hypothesis
1154 def OwnHypothesis(self, hypType, args=[], so="libStdMeshersEngine.so"):
1156 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.nbLayers )
1157 if self.distribHyp is None:
1158 self.distribHyp = self.Hypothesis("LayerDistribution2D", UseExisting=0)
1160 self.mesh.GetMesh().AddHypothesis( self.geom, self.distribHyp )
1161 study = self.mesh.smeshpyD.GetCurrentStudy() # prevents publishing own 1D hypothesis
1162 self.mesh.smeshpyD.SetCurrentStudy( None )
1163 hyp = self.mesh.smeshpyD.CreateHypothesis(hypType, so)
1164 self.mesh.smeshpyD.SetCurrentStudy( study ) # enables publishing
1165 self.distribHyp.SetLayerDistribution( hyp )
1168 ## Defines "NumberOfLayers" hypothesis, specifying the number of layers
1169 # @param n number of layers
1170 # @param UseExisting if ==true - searches for the existing hypothesis created with
1171 # the same parameters, else (default) - creates a new one
1172 def NumberOfLayers(self, n, UseExisting=0):
1174 self.mesh.GetMesh().RemoveHypothesis( self.geom, self.distribHyp )
1175 from salome.smesh.smeshBuilder import IsEqual
1176 compFun = lambda hyp, args: IsEqual(hyp.GetNumberOfLayers(), args[0])
1177 self.nbLayers = self.Hypothesis("NumberOfLayers2D", [n], UseExisting=UseExisting,
1178 CompareMethod=compFun)
1179 self.nbLayers.SetNumberOfLayers( n )
1180 return self.nbLayers
1182 ## Defines "LocalLength" hypothesis, specifying the segment length
1183 # @param l the length of segments
1184 # @param p the precision of rounding
1185 def LocalLength(self, l, p=1e-07):
1186 hyp = self.OwnHypothesis("LocalLength", [l,p])
1191 ## Defines "NumberOfSegments" hypothesis, specifying the number of layers
1192 # @param n the number of layers
1193 # @param s the scale factor (optional)
1194 def NumberOfSegments(self, n, s=[]):
1196 hyp = self.OwnHypothesis("NumberOfSegments", [n])
1198 hyp = self.OwnHypothesis("NumberOfSegments", [n,s])
1199 hyp.SetDistrType( 1 )
1200 hyp.SetScaleFactor(s)
1201 hyp.SetNumberOfSegments(n)
1204 ## Defines "Arithmetic1D" hypothesis, specifying the distribution of segments
1205 # with a length that changes in arithmetic progression
1206 # @param start the length of the first segment
1207 # @param end the length of the last segment
1208 def Arithmetic1D(self, start, end ):
1209 hyp = self.OwnHypothesis("Arithmetic1D", [start, end])
1210 hyp.SetLength(start, 1)
1211 hyp.SetLength(end , 0)
1214 ## Defines "GeometricProgression" hypothesis, specifying the distribution of segments
1215 # with a length that changes in Geometric progression
1216 # @param start the length of the first segment
1217 # @param ratio the common ratio of the geometric progression
1218 def GeometricProgression(self, start, ratio ):
1219 hyp = self.OwnHypothesis("GeometricProgression", [start, ratio])
1220 hyp.SetStartLength( start )
1221 hyp.SetCommonRatio( ratio )
1224 ## Defines "StartEndLength" hypothesis, specifying distribution of segments
1225 # as geometric length increasing
1226 # @param start for the length of the first segment
1227 # @param end for the length of the last segment
1228 def StartEndLength(self, start, end):
1229 hyp = self.OwnHypothesis("StartEndLength", [start, end])
1230 hyp.SetLength(start, 1)
1231 hyp.SetLength(end , 0)
1234 ## Defines "AutomaticLength" hypothesis, specifying the number of segments
1235 # @param fineness defines the quality of the mesh within the range [0-1]
1236 def AutomaticLength(self, fineness=0):
1237 hyp = self.OwnHypothesis("AutomaticLength")
1238 hyp.SetFineness( fineness )
1241 pass # end of StdMeshersBuilder_RadialQuadrangle1D2D class
1243 ## Defines a Radial Quadrangle 1D-2D algorithm
1245 # It is created by calling smeshBuilder.Mesh.Quadrangle(smeshBuilder.RADIAL_QUAD,geom=0)
1247 # @ingroup l2_algos_radialq
1248 class StdMeshersBuilder_RadialQuadrangle1D2D(StdMeshersBuilder_RadialAlgorithm):
1250 ## name of the dynamic method in smeshBuilder.Mesh class
1252 meshMethod = "Quadrangle"
1253 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1255 algoType = RADIAL_QUAD
1256 ## doc string of the method
1258 docHelper = "Creates quadrangle 1D-2D algorithm for faces having a shape of disk or a disk segment"
1260 ## Private constructor.
1261 # @param mesh parent mesh object algorithm is assigned to
1262 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1263 # if it is @c 0 (default), the algorithm is assigned to the main shape
1264 def __init__(self, mesh, geom=0):
1265 StdMeshersBuilder_RadialAlgorithm.__init__(self)
1266 self.Create(mesh, geom, self.algoType)
1268 self.distribHyp = None #self.Hypothesis("LayerDistribution2D", UseExisting=0)
1269 self.nbLayers = None
1273 ## Defines a Quadrangle (Medial Axis Projection) 1D-2D algorithm
1275 # It is created by calling smeshBuilder.Mesh.Quadrangle(smeshBuilder.QUAD_MA_PROJ,geom=0)
1277 # @ingroup l2_algos_quad_ma
1278 class StdMeshersBuilder_QuadMA_1D2D(StdMeshersBuilder_RadialAlgorithm):
1280 ## name of the dynamic method in smeshBuilder.Mesh class
1282 meshMethod = "Quadrangle"
1283 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1285 algoType = QUAD_MA_PROJ
1286 ## doc string of the method
1288 docHelper = "Creates quadrangle 1D-2D algorithm for faces"
1290 ## Private constructor.
1291 # @param mesh parent mesh object algorithm is assigned to
1292 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1293 # if it is @c 0 (default), the algorithm is assigned to the main shape
1294 def __init__(self, mesh, geom=0):
1295 StdMeshersBuilder_RadialAlgorithm.__init__(self)
1296 self.Create(mesh, geom, self.algoType)
1301 ## Defines a Polygon Per Face 2D algorithm
1303 # It is created by calling smeshBuilder.Mesh.Polygon(geom=0)
1305 # @ingroup l2_algos_quad_ma
1306 class StdMeshersBuilder_PolygonPerFace(Mesh_Algorithm):
1308 ## name of the dynamic method in smeshBuilder.Mesh class
1310 meshMethod = "Polygon"
1311 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1314 ## flag pointing whether this algorithm should be used by default in dynamic method
1315 # of smeshBuilder.Mesh class
1318 ## doc string of the method
1320 docHelper = "Creates polygon 2D algorithm for faces"
1322 ## Private constructor.
1323 # @param mesh parent mesh object algorithm is assigned to
1324 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1325 # if it is @c 0 (default), the algorithm is assigned to the main shape
1326 def __init__(self, mesh, geom=0):
1327 Mesh_Algorithm.__init__(self)
1328 self.Create(mesh, geom, self.algoType)
1333 ## Defines a Use Existing Elements 1D algorithm
1335 # It is created by calling smeshBuilder.Mesh.UseExisting1DElements(geom=0)
1337 # @ingroup l3_algos_basic
1338 class StdMeshersBuilder_UseExistingElements_1D(Mesh_Algorithm):
1340 ## name of the dynamic method in smeshBuilder.Mesh class
1342 meshMethod = "UseExisting1DElements"
1343 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1345 algoType = "Import_1D"
1346 ## flag pointing whether this algorithm should be used by default in dynamic method
1347 # of smeshBuilder.Mesh class
1350 ## doc string of the method
1352 docHelper = "Creates 1D algorithm for edges with reusing of existing mesh elements"
1354 ## Private constructor.
1355 # @param mesh parent mesh object algorithm is assigned to
1356 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1357 # if it is @c 0 (default), the algorithm is assigned to the main shape
1358 def __init__(self, mesh, geom=0):
1359 Mesh_Algorithm.__init__(self)
1360 self.Create(mesh, geom, self.algoType)
1363 ## Defines "Source edges" hypothesis, specifying groups of edges to import
1364 # @param groups list of groups of edges
1365 # @param toCopyMesh if True, the whole mesh \a groups belong to is imported
1366 # @param toCopyGroups if True, all groups of the mesh \a groups belong to are imported
1367 # @param UseExisting if ==true - searches for the existing hypothesis created with
1368 # the same parameters, else (default) - creates a new one
1369 def SourceEdges(self, groups, toCopyMesh=False, toCopyGroups=False, UseExisting=False):
1370 for group in groups:
1371 from salome.smesh.smeshBuilder import AssureGeomPublished
1372 AssureGeomPublished( self.mesh, group )
1373 compFun = lambda hyp, args: ( hyp.GetSourceEdges() == args[0] and \
1374 hyp.GetCopySourceMesh() == args[1], args[2] )
1375 hyp = self.Hypothesis("ImportSource1D", [groups, toCopyMesh, toCopyGroups],
1376 UseExisting=UseExisting, CompareMethod=compFun)
1377 hyp.SetSourceEdges(groups)
1378 hyp.SetCopySourceMesh(toCopyMesh, toCopyGroups)
1381 pass # end of StdMeshersBuilder_UseExistingElements_1D class
1383 ## Defines a Use Existing Elements 1D-2D algorithm
1385 # It is created by calling smeshBuilder.Mesh.UseExisting2DElements(geom=0)
1387 # @ingroup l3_algos_basic
1388 class StdMeshersBuilder_UseExistingElements_1D2D(Mesh_Algorithm):
1390 ## name of the dynamic method in smeshBuilder.Mesh class
1392 meshMethod = "UseExisting2DElements"
1393 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1395 algoType = "Import_1D2D"
1396 ## flag pointing whether this algorithm should be used by default in dynamic method
1397 # of smeshBuilder.Mesh class
1400 ## doc string of the method
1402 docHelper = "Creates 1D-2D algorithm for faces with reusing of existing mesh elements"
1404 ## Private constructor.
1405 # @param mesh parent mesh object algorithm is assigned to
1406 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1407 # if it is @c 0 (default), the algorithm is assigned to the main shape
1408 def __init__(self, mesh, geom=0):
1409 Mesh_Algorithm.__init__(self)
1410 self.Create(mesh, geom, self.algoType)
1413 ## Defines "Source faces" hypothesis, specifying groups of faces to import
1414 # @param groups list of groups of faces
1415 # @param toCopyMesh if True, the whole mesh \a groups belong to is imported
1416 # @param toCopyGroups if True, all groups of the mesh \a groups belong to are imported
1417 # @param UseExisting if ==true - searches for the existing hypothesis created with
1418 # the same parameters, else (default) - creates a new one
1419 def SourceFaces(self, groups, toCopyMesh=False, toCopyGroups=False, UseExisting=False):
1421 compFun = lambda hyp, args: ( hyp.GetSourceFaces() == args[0] and \
1422 hyp.GetCopySourceMesh() == args[1], args[2] )
1423 hyp = self.Hypothesis("ImportSource2D", [groups, toCopyMesh, toCopyGroups],
1424 UseExisting=UseExisting, CompareMethod=compFun, toAdd=False)
1425 if groups and isinstance( groups, SMESH._objref_SMESH_GroupBase ):
1427 hyp.SetSourceFaces(groups)
1428 hyp.SetCopySourceMesh(toCopyMesh, toCopyGroups)
1429 self.mesh.AddHypothesis(hyp, self.geom)
1432 pass # end of StdMeshersBuilder_UseExistingElements_1D2D class
1434 ## Defines a Body Fitting 3D algorithm
1436 # It is created by calling smeshBuilder.Mesh.BodyFitted(geom=0)
1438 # @ingroup l3_algos_basic
1439 class StdMeshersBuilder_Cartesian_3D(Mesh_Algorithm):
1441 ## name of the dynamic method in smeshBuilder.Mesh class
1443 meshMethod = "BodyFitted"
1444 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1446 algoType = "Cartesian_3D"
1447 ## flag pointing whether this algorithm should be used by default in dynamic method
1448 # of smeshBuilder.Mesh class
1451 ## doc string of the method
1453 docHelper = "Creates Body Fitting 3D algorithm for volumes"
1455 ## Private constructor.
1456 # @param mesh parent mesh object algorithm is assigned to
1457 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1458 # if it is @c 0 (default), the algorithm is assigned to the main shape
1459 def __init__(self, mesh, geom=0):
1460 self.Create(mesh, geom, self.algoType)
1464 ## Defines "Body Fitting parameters" hypothesis
1465 # @param xGridDef is definition of the grid along the X asix.
1466 # It can be in either of two following forms:
1467 # - Explicit coordinates of nodes, e.g. [-1.5, 0.0, 3.1] or range( -100,200,10)
1468 # - Functions f(t) defining grid spacing at each point on grid axis. If there are
1469 # several functions, they must be accompanied by relative coordinates of
1470 # points dividing the whole shape into ranges where the functions apply; points
1471 # coodrinates should vary within (0.0, 1.0) range. Parameter \a t of the spacing
1472 # function f(t) varies from 0.0 to 1.0 witin a shape range.
1474 # - "10.5" - defines a grid with a constant spacing
1475 # - [["1", "1+10*t", "11"] [0.1, 0.6]] - defines different spacing in 3 ranges.
1476 # @param yGridDef defines the grid along the Y asix the same way as \a xGridDef does.
1477 # @param zGridDef defines the grid along the Z asix the same way as \a xGridDef does.
1478 # @param sizeThreshold (> 1.0) defines a minimal size of a polyhedron so that
1479 # a polyhedron of size less than hexSize/sizeThreshold is not created.
1480 # @param implEdges enables implementation of geometrical edges into the mesh.
1481 def SetGrid(self, xGridDef, yGridDef, zGridDef, sizeThreshold=4.0, implEdges=False):
1483 compFun = lambda hyp, args: False
1484 self.hyp = self.Hypothesis("CartesianParameters3D",
1485 [xGridDef, yGridDef, zGridDef, sizeThreshold],
1486 UseExisting=False, CompareMethod=compFun)
1487 if not self.mesh.IsUsedHypothesis( self.hyp, self.geom ):
1488 self.mesh.AddHypothesis( self.hyp, self.geom )
1490 for axis, gridDef in enumerate( [xGridDef, yGridDef, zGridDef] ):
1491 if not gridDef: raise ValueError, "Empty grid definition"
1492 if isinstance( gridDef, str ):
1493 self.hyp.SetGridSpacing( [gridDef], [], axis )
1494 elif isinstance( gridDef[0], str ):
1495 self.hyp.SetGridSpacing( gridDef, [], axis )
1496 elif isinstance( gridDef[0], int ) or \
1497 isinstance( gridDef[0], float ):
1498 self.hyp.SetGrid(gridDef, axis )
1500 self.hyp.SetGridSpacing( gridDef[0], gridDef[1], axis )
1501 self.hyp.SetSizeThreshold( sizeThreshold )
1502 self.hyp.SetToAddEdges( implEdges )
1505 ## Defines custom directions of axes of the grid
1506 # @param xAxis either SMESH.DirStruct or a vector, or 3 vector components
1507 # @param yAxis either SMESH.DirStruct or a vector, or 3 vector components
1508 # @param zAxis either SMESH.DirStruct or a vector, or 3 vector components
1509 def SetAxesDirs( self, xAxis, yAxis, zAxis ):
1511 if hasattr( xAxis, "__getitem__" ):
1512 xAxis = self.mesh.smeshpyD.MakeDirStruct( xAxis[0],xAxis[1],xAxis[2] )
1513 elif isinstance( xAxis, GEOM._objref_GEOM_Object ):
1514 xAxis = self.mesh.smeshpyD.GetDirStruct( xAxis )
1515 if hasattr( yAxis, "__getitem__" ):
1516 yAxis = self.mesh.smeshpyD.MakeDirStruct( yAxis[0],yAxis[1],yAxis[2] )
1517 elif isinstance( yAxis, GEOM._objref_GEOM_Object ):
1518 yAxis = self.mesh.smeshpyD.GetDirStruct( yAxis )
1519 if hasattr( zAxis, "__getitem__" ):
1520 zAxis = self.mesh.smeshpyD.MakeDirStruct( zAxis[0],zAxis[1],zAxis[2] )
1521 elif isinstance( zAxis, GEOM._objref_GEOM_Object ):
1522 zAxis = self.mesh.smeshpyD.GetDirStruct( zAxis )
1524 self.hyp = self.Hypothesis("CartesianParameters3D")
1525 if not self.mesh.IsUsedHypothesis( self.hyp, self.geom ):
1526 self.mesh.AddHypothesis( self.hyp, self.geom )
1527 self.hyp.SetAxesDirs( xAxis, yAxis, zAxis )
1530 ## Automatically defines directions of axes of the grid at which
1531 # a number of generated hexahedra is maximal
1532 # @param isOrthogonal defines whether the axes mush be orthogonal
1533 def SetOptimalAxesDirs(self, isOrthogonal=True):
1535 self.hyp = self.Hypothesis("CartesianParameters3D")
1536 if not self.mesh.IsUsedHypothesis( self.hyp, self.geom ):
1537 self.mesh.AddHypothesis( self.hyp, self.geom )
1538 x,y,z = self.hyp.ComputeOptimalAxesDirs( self.geom, isOrthogonal )
1539 self.hyp.SetAxesDirs( x,y,z )
1542 ## Sets/unsets a fixed point. The algorithm makes a plane of the grid pass
1543 # through the fixed point in each direction at which the grid is defined
1545 # @param p coordinates of the fixed point. Either SMESH.PointStruct or
1546 # a vertex or 3 components of coordinates.
1547 # @param toUnset defines whether the fixed point is defined or removed.
1548 def SetFixedPoint( self, p, toUnset=False ):
1551 if not self.hyp: return
1552 p = SMESH.PointStruct(0,0,0)
1553 elif hasattr( p, "__getitem__" ):
1554 p = SMESH.PointStruct( p[0],p[1],p[2] )
1555 elif isinstance( p, GEOM._objref_GEOM_Object ):
1556 p = self.mesh.smeshpyD.GetPointStruct( p )
1558 self.hyp = self.Hypothesis("CartesianParameters3D")
1559 if not self.mesh.IsUsedHypothesis( self.hyp, self.geom ):
1560 self.mesh.AddHypothesis( self.hyp, self.geom )
1561 self.hyp.SetFixedPoint( p, toUnset )
1565 pass # end of StdMeshersBuilder_Cartesian_3D class
1567 ## Defines a stub 1D algorithm, which enables "manual" creation of nodes and
1568 # segments usable by 2D algoritms
1570 # It is created by calling smeshBuilder.Mesh.UseExistingSegments(geom=0)
1572 # @ingroup l3_algos_basic
1573 class StdMeshersBuilder_UseExisting_1D(Mesh_Algorithm):
1575 ## name of the dynamic method in smeshBuilder.Mesh class
1577 meshMethod = "UseExistingSegments"
1578 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1580 algoType = "UseExisting_1D"
1581 ## doc string of the method
1583 docHelper = "Creates 1D algorithm allowing batch meshing of edges"
1585 ## Private constructor.
1586 # @param mesh parent mesh object algorithm is assigned to
1587 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1588 # if it is @c 0 (default), the algorithm is assigned to the main shape
1589 def __init__(self, mesh, geom=0):
1590 self.Create(mesh, geom, self.algoType)
1593 pass # end of StdMeshersBuilder_UseExisting_1D class
1595 ## Defines a stub 2D algorithm, which enables "manual" creation of nodes and
1596 # faces usable by 3D algoritms
1598 # It is created by calling smeshBuilder.Mesh.UseExistingFaces(geom=0)
1600 # @ingroup l3_algos_basic
1601 class StdMeshersBuilder_UseExisting_2D(Mesh_Algorithm):
1603 ## name of the dynamic method in smeshBuilder.Mesh class
1605 meshMethod = "UseExistingFaces"
1606 ## type of algorithm used with helper function in smeshBuilder.Mesh class
1608 algoType = "UseExisting_2D"
1609 ## doc string of the method
1611 docHelper = "Creates 2D algorithm allowing batch meshing of faces"
1613 ## Private constructor.
1614 # @param mesh parent mesh object algorithm is assigned to
1615 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
1616 # if it is @c 0 (default), the algorithm is assigned to the main shape
1617 def __init__(self, mesh, geom=0):
1618 self.Create(mesh, geom, self.algoType)
1621 pass # end of StdMeshersBuilder_UseExisting_2D class