1 # Copyright (C) 2007-2016 CEA/DEN, EDF R&D
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 BLSURFPluginBuilder
22 # Python API for the MG-CADSurf meshing plug-in module.
24 from salome.smesh.smesh_algorithm import Mesh_Algorithm
27 LIBRARY = "libBLSURFEngine.so"
30 Triangles, QuadrangleDominant, Quadrangles = 0, 1, 2
32 # Topology treatment way of MG-CADSurf
33 FromCAD, PreProcess, PreProcessPlus, PreCAD = 0,1,2,3
35 # Element size flag of MG-CADSurf
36 DefaultSize, DefaultGeom, MG_CADSURF_GlobalSize, MG_CADSURF_LocalSize = 0,0,1,2
38 MG_CADSURF_Custom, SizeMap = MG_CADSURF_GlobalSize, MG_CADSURF_LocalSize
39 BLSURF_Custom, BLSURF_GlobalSize, BLSURF_LocalSize = MG_CADSURF_Custom, MG_CADSURF_GlobalSize, MG_CADSURF_LocalSize
41 # import BLSURFPlugin module if possible
49 #----------------------------
50 # Mesh algo type identifiers
51 #----------------------------
53 ## Algorithm type: MG-CADSurf triangle algorithm, see BLSURF_Algorithm
54 MG_CADSurf = "MG-CADSurf"
57 #----------------------
59 #----------------------
61 ## MG-CADSurf 2D algorithm.
63 # It can be created by calling smeshBuilder.Mesh.Triangle(smeshBuilder.MG-CADSurf,geom=0)
65 class BLSURF_Algorithm(Mesh_Algorithm):
67 ## name of the dynamic method in smeshBuilder.Mesh class
69 meshMethod = "Triangle"
70 ## type of algorithm used with helper function in smeshBuilder.Mesh class
73 ## doc string of the method
75 docHelper = "Creates triangle algorithm for faces"
77 _anisotropic_ratio = 0
78 _bad_surface_element_aspect_ratio = 1000
79 _geometric_approximation = 22
83 _remove_tiny_edges = 0
85 ## Private constructor.
86 # @param mesh parent mesh object algorithm is assigned to
87 # @param geom geometry (shape/sub-shape) algorithm is assigned to;
88 # if it is @c 0 (default), the algorithm is assigned to the main shape
89 def __init__(self, mesh, geom=0):
90 Mesh_Algorithm.__init__(self)
92 print("Warning: BLSURFPlugin module unavailable")
93 if mesh.GetMesh().HasShapeToMesh():
94 self.Create(mesh, geom, self.algoType, LIBRARY)
96 self.Create(mesh, geom, self.algoType+"_NOGEOM", LIBRARY)
97 mesh.smeshpyD.SetName( self.algo, self.algoType )
99 self.geompyD = mesh.geompyD
100 #self.SetPhysicalMesh() - PAL19680
103 ## Sets a way to define size of mesh elements to generate.
104 # @param thePhysicalMesh is: DefaultSize, MG_CADSURF_Custom or SizeMap.
105 def SetPhysicalMesh(self, thePhysicalMesh=DefaultSize):
106 physical_size_mode = thePhysicalMesh
107 if self.Parameters().GetGeometricMesh() == DefaultGeom:
108 if physical_size_mode == DefaultSize:
109 physical_size_mode = MG_CADSURF_GlobalSize
110 self.Parameters().SetPhysicalMesh(physical_size_mode)
113 ## Sets a way to define maximum angular deflection of mesh from CAD model.
114 # @param theGeometricMesh is: DefaultGeom (0)) or MG_CADSURF_GlobalSize (1))
115 def SetGeometricMesh(self, theGeometricMesh=DefaultGeom):
116 geometric_size_mode = theGeometricMesh
117 if self.Parameters().GetPhysicalMesh() == DefaultSize:
118 if geometric_size_mode == DefaultGeom:
119 geometric_size_mode = MG_CADSURF_GlobalSize
120 self.Parameters().SetGeometricMesh(geometric_size_mode)
123 ## Sets size of mesh elements to generate.
124 # @param theVal : constant global size when using a global physical size.
125 # @param isRelative : if True, the value is relative to the length of the diagonal of the bounding box
126 def SetPhySize(self, theVal, isRelative = False):
127 if self.Parameters().GetPhysicalMesh() == DefaultSize:
128 self.SetPhysicalMesh(MG_CADSURF_GlobalSize)
130 self.Parameters().SetPhySizeRel(theVal)
132 self.Parameters().SetPhySize(theVal)
135 ## Sets lower boundary of mesh element size.
136 # @param theVal : global minimal cell size desired.
137 # @param isRelative : if True, the value is relative to the length of the diagonal of the bounding box
138 def SetMinSize(self, theVal=-1, isRelative = False):
140 self.Parameters().SetMinSizeRel(theVal)
142 self.Parameters().SetMinSize(theVal)
145 ## Sets upper boundary of mesh element size.
146 # @param theVal : global maximal cell size desired.
147 # @param isRelative : if True, the value is relative to the length of the diagonal of the bounding box
148 def SetMaxSize(self, theVal=-1, isRelative = False):
150 self.Parameters().SetMaxSizeRel(theVal)
152 self.Parameters().SetMaxSize(theVal)
155 ## Sets angular deflection (in degrees) from CAD surface.
156 # @param theVal value of angular deflection
157 def SetAngleMesh(self, theVal=_geometric_approximation):
158 if self.Parameters().GetGeometricMesh() == DefaultGeom:
159 self.SetGeometricMesh(MG_CADSURF_GlobalSize)
160 self.Parameters().SetAngleMesh(theVal)
163 ## Sets the maximum desired distance between a triangle and its supporting CAD surface
164 # @param distance the distance between a triangle and a surface
165 def SetChordalError(self, distance):
166 self.Parameters().SetChordalError(distance)
169 ## Sets maximal allowed ratio between the lengths of two adjacent edges.
170 # @param toUseGradation to use gradation
171 # @param theVal value of maximal length ratio
172 def SetGradation(self, toUseGradation=True, theVal=_gradation):
173 if isinstance( toUseGradation, float ): ## backward compatibility
174 toUseGradation, theVal = True, toUseGradation
175 if self.Parameters().GetGeometricMesh() == 0: theVal = self._gradation
176 self.Parameters().SetUseGradation(toUseGradation)
177 self.Parameters().SetGradation(theVal)
180 ## Sets maximal allowed ratio between the lengths of two adjacent edges in 3D mesh.
181 # @param toUseGradation to use gradation
182 # @param theVal value of maximal length ratio
183 def SetVolumeGradation(self, toUseGradation=True, theVal=_gradation):
184 if self.Parameters().GetGeometricMesh() == 0: theVal = self._volume_gradation
185 self.Parameters().SetUseVolumeGradation(toUseGradation)
186 self.Parameters().SetVolumeGradation(theVal)
189 ## Sets topology usage way.
190 # @param way defines how mesh conformity is assured <ul>
191 # <li>FromCAD - mesh conformity is assured by conformity of a shape</li>
192 # <li>PreProcess or PreProcessPlus - by pre-processing a CAD model (OBSOLETE: FromCAD will be used)</li>
193 # <li>PreCAD - by pre-processing with PreCAD a CAD model</li></ul>
194 def SetTopology(self, way):
195 if way != PreCAD and way != FromCAD:
196 print("Warning: topology mode %d is no longer supported. Mode FromCAD is used."%way)
198 self.Parameters().SetTopology(way)
201 ## Sets verbosity level in the range 0 to 100.
202 # @param level verbosity level
203 def SetVerbosity(self, level):
204 self.Parameters().SetVerbosity(level)
207 ## Set enforce_cad_edge_sizes parameter
209 # Relaxes the given sizemap constraint around CAD edges to allow a better
210 # element quality and a better geometric approximation. It is only useful in
211 # combination with the gradation option.
213 def SetEnforceCadEdgesSize( self, toEnforce ):
214 self.Parameters().SetEnforceCadEdgesSize( toEnforce )
216 ## Set jacobian_rectification_respect_geometry parameter
218 # While making the mesh quadratic, allows to lose the CAD-mesh associativity in order
219 # to correct elements with nagative Jacobian
221 def SetJacobianRectificationRespectGeometry( self, allowRectification ):
222 self.Parameters().SetJacobianRectificationRespectGeometry( allowRectification )
224 ## Set rectify_jacobian parameter
226 # While making the mesh quadratic, allow to fix nagative Jacobian surface elements
228 def SetJacobianRectification( self, allowRectification ):
229 self.Parameters().SetJacobianRectification( allowRectification )
231 ## Set use_deprecated_patch_mesher parameter (compatibility with older versions of Meshgems)
233 # the use_deprecated_patch_mesher parameter allows to keep the same behaviour than
234 # in salome < 8.3 (meshgems 2.1.11 instead of meshgems >= 2.4.5)
236 def SetUseDeprecatedPatchMesher( self, useDeprecatedPatchMesher ):
237 self.Parameters().SetUseDeprecatedPatchMesher( useDeprecatedPatchMesher )
239 ## Set respect_geometry parameter
241 # This patch independent option can be deactivated to allow MeshGems-CADSurf
242 # to lower the geometry accuracy in its patch independent process.
244 def SetRespectGeometry( self, toRespect ):
245 self.Parameters().SetRespectGeometry( toRespect )
247 ## Set max_number_of_points_per_patch parameter
249 # This parameter controls the maximum amount of points MeshGems-CADSurf is allowed
250 # to generate on a single CAD patch. For an automatic gestion of the memory, one
251 # can set this parameter to 0
253 def SetMaxNumberOfPointsPerPatch( self, nb ):
254 self.Parameters().SetMaxNumberOfPointsPerPatch( nb )
256 ## Set max_number_of_threads parameter
258 # Set the maximum of threads to use for multithreading mesh computation
260 def SetMaxNumberOfThreads( self, nb ):
261 self.Parameters().SetMaxNumberOfThreads( nb )
263 ## Set respect_geometry parameter
265 # This patch independent option can be deactivated to allow MeshGems-CADSurf
266 # to lower the geometry accuracy in its patch independent process.
268 def SetRespectGeometry( self, toRespect ):
269 self.Parameters().SetRespectGeometry( toRespect )
271 ## Set tiny_edges_avoid_surface_intersections parameter
273 # This option defines the priority between the tiny feature
274 # suppression and the surface intersection prevention.
276 def SetTinyEdgesAvoidSurfaceIntersections( self, toAvoidIntersection ):
277 self.Parameters().SetTinyEdgesAvoidSurfaceIntersections( toAvoidIntersection )
279 ## Set closed_geometry parameter parameter
281 # Describes whether the geometry is expected to be closed or not.
282 # When activated, this option helps MeshGems-PreCAD to treat the dirtiest geometries.
284 def SetClosedGeometry( self, isClosed ):
285 self.Parameters().SetClosedGeometry( isClosed )
287 ## Set debug parameter
289 # Make MeshGems-CADSurf will be very verbose and will output some intermediate
290 # files in the working directory. This option is mainly meant for Distene support issues.
292 def SetDebug( self, isDebug ):
293 self.Parameters().SetDebug( isDebug )
295 ## Set periodic_tolerance parameter
297 # This parameter defines the maximum size difference between two periodic edges
298 # and also the maximum distance error between two periodic entities.
300 def SetPeriodicTolerance( self, tol ):
301 self.Parameters().SetPeriodicTolerance( tol )
303 ## Set required_entities parameter
305 # The required entities control the correction operations.
306 # Accepted values for this parameter are :
307 # - "respect" : MeshGems-CADSurf is not allowed to alter any required entity,
308 # even for correction purposes,
309 # - "ignore" : MeshGems-CADSurf will ignore the required entities in its processing,
310 # - "clear" : MeshGems-CADSurf will clear any required status for the entities.
311 # There will not be any entity marked as required in the generated mesh.
313 def SetRequiredEntities( self, howToTreat ):
314 self.Parameters().SetRequiredEntities( howToTreat )
316 ## Set sewing_tolerance parameter
318 # This parameter is the tolerance of the assembly.
320 def SetSewingTolerance( self, tol ):
321 self.Parameters().SetSewingTolerance( tol )
323 ## Set tags parameter
325 # The tag (attribute) system controls the optimisation process.
326 # Accepted values for this parameter are :
327 # - "respect" : the CAD tags will be preserved and unaltered by the optimisation operations,
328 # - "ignore" : the CAD tags will be ignored by the optimisation operations
329 # but they will still be present in the output mesh,
330 # - "clear" : MeshGems-CADSurf will clear any tag on any entity and optimise accordingly.
331 # There will not be any tag in the generated mesh.
333 def SetTags( self, howToTreat ):
334 self.Parameters().SetTags( howToTreat )
336 ## Activate removal of the tiny edges from the generated
337 # mesh when it improves the local mesh quality, without taking into account the
338 # tags (attributes) specifications.
339 # @param toOptimise "to optimize" flag value
340 # @param length minimal length under which an edge is considered to be a tiny
341 def SetOptimiseTinyEdges(self, toOptimise, length=-1):
342 self.Parameters().SetOptimiseTinyEdges( toOptimise )
344 self.Parameters().SetTinyEdgeOptimisationLength( length )
346 ## Activate correction of all surface intersections
347 # @param toCorrect "to correct" flag value
348 # @param maxCost the time the user is ready to spend in the intersection prevention process
349 # For example, maxCost = 3 means that MeshGems-CADSurf will not spend more time
350 # in the intersection removal process than 3 times the time required to mesh
351 # without processing the intersections.
352 def SetCorrectSurfaceIntersection(self, toCorrect, maxCost ):
353 self.Parameters().SetCorrectSurfaceIntersection( toCorrect )
355 self.Parameters().SetCorrectSurfaceIntersectionMaxCost( maxCost )
357 ## To optimize merges edges.
358 # @param toMergeEdges "merge edges" flag value
359 def SetPreCADMergeEdges(self, toMergeEdges=False):
360 self.Parameters().SetPreCADMergeEdges(toMergeEdges)
363 ## To remove duplicate CAD Faces
364 # @param toRemoveDuplicateCADFaces "remove_duplicate_cad_faces" flag value
365 def SetPreCADRemoveDuplicateCADFaces(self, toRemoveDuplicateCADFaces=False):
366 self.Parameters().SetPreCADRemoveDuplicateCADFaces(toRemoveDuplicateCADFaces)
369 ## To process 3D topology.
370 # @param toProcess "PreCAD process 3D" flag value
371 def SetPreCADProcess3DTopology(self, toProcess=False):
372 self.Parameters().SetPreCADProcess3DTopology(toProcess)
375 ## To remove nano edges.
376 # @param toRemoveNanoEdges "remove nano edges" flag value
377 def SetPreCADRemoveNanoEdges(self, toRemoveNanoEdges=False):
378 if toRemoveNanoEdges:
379 self.SetPreCADOptionValue("remove_tiny_edges","1")
381 self.SetPreCADOptionValue("remove_tiny_edges","0")
384 ## To compute topology from scratch
385 # @param toDiscardInput "discard input" flag value
386 def SetPreCADDiscardInput(self, toDiscardInput=False):
387 self.Parameters().SetPreCADDiscardInput(toDiscardInput)
390 ## Sets the length below which an edge is considered as nano
391 # for the topology processing.
392 # @param epsNano nano edge length threshold value
393 def SetPreCADEpsNano(self, epsNano):
394 self.SetPreCADOptionValue("tiny_edge_length","%f"%epsNano)
397 ## Sets advanced option value.
398 # @param optionName advanced option name
399 # @param level advanced option value
400 def SetOptionValue(self, optionName, level):
401 self.Parameters().SetOptionValue(optionName,level)
404 ## Sets advanced PreCAD option value.
405 # @param optionName name of the option
406 # @param optionValue value of the option
407 def SetPreCADOptionValue(self, optionName, optionValue):
408 self.Parameters().SetPreCADOptionValue(optionName,optionValue)
411 ## Adds custom advanced option values
412 # @param optionsAndValues options and values in a form "option_1 v1 option_2 v2'"
413 def SetAdvancedOption(self, optionsAndValues):
414 self.Parameters().SetAdvancedOption(optionsAndValues)
417 ## Adds custom advanced option value.
418 # @param optionName custom advanced option name
419 # @param level custom advanced option value
420 def AddOption(self, optionName, level):
421 self.Parameters().AddOption(optionName,level)
424 ## Adds custom advanced PreCAD option value.
425 # @param optionName custom name of the option
426 # @param optionValue value of the option
427 def AddPreCADOption(self, optionName, optionValue):
428 self.Parameters().AddPreCADOption(optionName,optionValue)
431 ## Sets GMF file for export at computation
432 # @param fileName GMF file name
433 def SetGMFFile(self, fileName):
434 self.Parameters().SetGMFFile(fileName)
437 #-----------------------------------------
438 # Enforced vertices (BLSURF)
439 #-----------------------------------------
441 ## To get all the enforced vertices
442 def GetAllEnforcedVertices(self):
443 return self.Parameters().GetAllEnforcedVertices()
445 ## To get all the enforced vertices sorted by face (or group, compound)
446 def GetAllEnforcedVerticesByFace(self):
447 return self.Parameters().GetAllEnforcedVerticesByFace()
449 ## To get all the enforced vertices sorted by coords of input vertices
450 def GetAllEnforcedVerticesByCoords(self):
451 return self.Parameters().GetAllEnforcedVerticesByCoords()
453 ## To get all the coords of input vertices sorted by face (or group, compound)
454 def GetAllCoordsByFace(self):
455 return self.Parameters().GetAllCoordsByFace()
457 ## To get all the enforced vertices on a face (or group, compound)
458 # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
459 def GetEnforcedVertices(self, theFace):
460 from salome.smesh.smeshBuilder import AssureGeomPublished
461 AssureGeomPublished( self.mesh, theFace )
462 return self.Parameters().GetEnforcedVertices(theFace)
464 ## To clear all the enforced vertices
465 def ClearAllEnforcedVertices(self):
466 return self.Parameters().ClearAllEnforcedVertices()
468 ## To set an enforced vertex on a face (or group, compound) given the coordinates of a point. If the point is not on the face, it will projected on it. If there is no projection, no enforced vertex is created.
469 # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
470 # @param x : x coordinate
471 # @param y : y coordinate
472 # @param z : z coordinate
473 # @param vertexName : name of the enforced vertex
474 # @param groupName : name of the group
475 def SetEnforcedVertex(self, theFace, x, y, z, vertexName = "", groupName = ""):
476 from salome.smesh.smeshBuilder import AssureGeomPublished
477 AssureGeomPublished( self.mesh, theFace )
480 return self.Parameters().SetEnforcedVertex(theFace, x, y, z)
482 return self.Parameters().SetEnforcedVertexWithGroup(theFace, x, y, z, groupName)
486 return self.Parameters().SetEnforcedVertexNamed(theFace, x, y, z, vertexName)
488 return self.Parameters().SetEnforcedVertexNamedWithGroup(theFace, x, y, z, vertexName, groupName)
492 ## To set an enforced vertex on a face (or group, compound) given a GEOM vertex, group or compound.
493 # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
494 # @param theVertex : GEOM vertex (or group, compound) to be projected on theFace.
495 # @param groupName : name of the group
496 def SetEnforcedVertexGeom(self, theFace, theVertex, groupName = ""):
497 from salome.smesh.smeshBuilder import AssureGeomPublished
498 AssureGeomPublished( self.mesh, theFace )
499 AssureGeomPublished( self.mesh, theVertex )
501 return self.Parameters().SetEnforcedVertexGeom(theFace, theVertex)
503 return self.Parameters().SetEnforcedVertexGeomWithGroup(theFace, theVertex,groupName)
506 ## Set an enforced vertex on a face given the coordinates of a point.
507 # The face if found by the application.
508 # @param x : x coordinate
509 # @param y : y coordinate
510 # @param z : z coordinate
511 # @param vertexName : name of the enforced vertex
512 # @param groupName : name of the group
513 def AddEnforcedVertex(self, x, y, z, vertexName = "", groupName = ""):
514 from salome.smesh.smeshBuilder import AssureGeomPublished
517 return self.Parameters().AddEnforcedVertex(x, y, z)
519 return self.Parameters().AddEnforcedVertexWithGroup(x, y, z, groupName)
523 return self.Parameters().AddEnforcedVertexNamed(x, y, z, vertexName)
525 return self.Parameters().AddEnforcedVertexNamedWithGroup( x, y, z, vertexName, groupName)
529 ## To set an enforced vertex on a face given a GEOM vertex, group or compound.
530 # The face if found by the application.
531 # @param theVertex : GEOM vertex (or group, compound).
532 # @param groupName : name of the group
533 def AddEnforcedVertexGeom(self, theVertex, groupName = ""):
534 from salome.smesh.smeshBuilder import AssureGeomPublished
535 AssureGeomPublished( self.mesh, theVertex )
537 return self.Parameters().AddEnforcedVertexGeom(theVertex)
539 return self.Parameters().AddEnforcedVertexGeomWithGroup(theVertex,groupName)
542 ## To remove an enforced vertex on a given GEOM face (or group, compound) given the coordinates.
543 # @param theFace : GEOM face (or group, compound) on which to remove the enforced vertex
544 # @param x : x coordinate
545 # @param y : y coordinate
546 # @param z : z coordinate
547 def UnsetEnforcedVertex(self, theFace, x, y, z):
548 from salome.smesh.smeshBuilder import AssureGeomPublished
549 AssureGeomPublished( self.mesh, theFace )
550 return self.Parameters().UnsetEnforcedVertex(theFace, x, y, z)
552 ## To remove an enforced vertex on a given GEOM face (or group, compound) given a GEOM vertex, group or compound.
553 # @param theFace : GEOM face (or group, compound) on which to remove the enforced vertex
554 # @param theVertex : GEOM vertex (or group, compound) to remove.
555 def UnsetEnforcedVertexGeom(self, theFace, theVertex):
556 from salome.smesh.smeshBuilder import AssureGeomPublished
557 AssureGeomPublished( self.mesh, theFace )
558 AssureGeomPublished( self.mesh, theVertex )
559 return self.Parameters().UnsetEnforcedVertexGeom(theFace, theVertex)
561 ## To remove all enforced vertices on a given face.
562 # @param theFace : face (or group/compound of faces) on which to remove all enforced vertices
563 def UnsetEnforcedVertices(self, theFace):
564 from salome.smesh.smeshBuilder import AssureGeomPublished
565 AssureGeomPublished( self.mesh, theFace )
566 return self.Parameters().UnsetEnforcedVertices(theFace)
568 ## To tell BLSURF to add a node on internal vertices
569 # @param toEnforceInternalVertices : boolean; if True the internal vertices are added as enforced vertices
570 def SetInternalEnforcedVertexAllFaces(self, toEnforceInternalVertices):
571 return self.Parameters().SetInternalEnforcedVertexAllFaces(toEnforceInternalVertices)
573 ## To know if BLSURF will add a node on internal vertices
574 def GetInternalEnforcedVertexAllFaces(self):
575 return self.Parameters().GetInternalEnforcedVertexAllFaces()
577 ## To define a group for the nodes of internal vertices
578 # @param groupName : string; name of the group
579 def SetInternalEnforcedVertexAllFacesGroup(self, groupName):
580 return self.Parameters().SetInternalEnforcedVertexAllFacesGroup(groupName)
582 ## To get the group name of the nodes of internal vertices
583 def GetInternalEnforcedVertexAllFacesGroup(self):
584 return self.Parameters().GetInternalEnforcedVertexAllFacesGroup()
586 #-----------------------------------------
588 #-----------------------------------------
590 ## Sets an attractor on the chosen face. The mesh size will decrease exponentially with the distance from theAttractor, following the rule h(d) = theEndSize - (theEndSize - theStartSize) * exp [ - ( d / theInfluenceDistance ) ^ 2 ]
591 # @param theFace : face on which the attractor will be defined
592 # @param theAttractor : geometrical object from which the mesh size "h" decreases exponentially
593 # @param theStartSize : mesh size on theAttractor
594 # @param theEndSize : maximum size that will be reached on theFace
595 # @param theInfluenceDistance : influence of the attractor ( the size grow slower on theFace if it's high)
596 # @param theConstantSizeDistance : distance until which the mesh size will be kept constant on theFace
597 def SetAttractorGeom(self, theFace, theAttractor, theStartSize, theEndSize, theInfluenceDistance, theConstantSizeDistance):
598 from salome.smesh.smeshBuilder import AssureGeomPublished
599 AssureGeomPublished( self.mesh, theFace )
600 AssureGeomPublished( self.mesh, theAttractor )
601 self.Parameters().SetAttractorGeom(theFace, theAttractor, theStartSize, theEndSize, theInfluenceDistance, theConstantSizeDistance)
604 ## Unsets an attractor on the chosen face.
605 # @param theFace : face on which the attractor has to be removed
606 def UnsetAttractorGeom(self, theFace):
607 from salome.smesh.smeshBuilder import AssureGeomPublished
608 AssureGeomPublished( self.mesh, theFace )
609 self.Parameters().SetAttractorGeom(theFace)
612 #-----------------------------------------
614 #-----------------------------------------
616 ## To set a size map on a face, edge or vertex (or group, compound) given Python function.
617 # If theObject is a face, the function can be: def f(u,v): return u+v
618 # If theObject is an edge, the function can be: def f(t): return t/2
619 # If theObject is a vertex, the function can be: def f(): return 10
620 # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
621 # @param theSizeMap : Size map defined as a string
622 def SetSizeMap(self, theObject, theSizeMap):
623 from salome.smesh.smeshBuilder import AssureGeomPublished
624 AssureGeomPublished( self.mesh, theObject )
625 self.Parameters().SetSizeMap(theObject, theSizeMap)
628 ## To set a constant size map on a face, edge or vertex (or group, compound).
629 # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
630 # @param theSizeMap : Size map defined as a double
631 def SetConstantSizeMap(self, theObject, theSizeMap):
632 from salome.smesh.smeshBuilder import AssureGeomPublished
633 AssureGeomPublished( self.mesh, theObject )
634 self.Parameters().SetConstantSizeMap(theObject, theSizeMap)
636 ## To remove a size map defined on a face, edge or vertex (or group, compound)
637 # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
638 def UnsetSizeMap(self, theObject):
639 from salome.smesh.smeshBuilder import AssureGeomPublished
640 AssureGeomPublished( self.mesh, theObject )
641 self.Parameters().UnsetSizeMap(theObject)
644 ## To remove all the size maps
645 def ClearSizeMaps(self):
646 self.Parameters().ClearSizeMaps()
649 ## Sets QuadAllowed flag (DEPRECATED: use SetElementType)
650 # @param toAllow "allow quadrangles" flag value
651 # TODO: to remove in Salome 9
652 def SetQuadAllowed(self, toAllow=True):
653 self.Parameters().SetQuadAllowed(toAllow)
656 ## Sets elements type
657 # @param theElementType: 0 (Triangles), 1 (QuadrangleDominant), 2 (Quadrangles)
658 def SetElementType(self, theElementType=Triangles):
659 self.Parameters().SetElementType(theElementType)
662 ## Defines hypothesis having several parameters
663 # @return hypothesis object
664 def Parameters(self):
666 hypType = "MG-CADSurf Parameters"
667 hasGeom = self.mesh.GetMesh().HasShapeToMesh()
669 self.params = self.Hypothesis(hypType, [], LIBRARY, UseExisting=0)
671 self.params = self.Hypothesis(hypType + "_NOGEOM", [], LIBRARY, UseExisting=0)
672 self.mesh.smeshpyD.SetName( self.params, hypType )
676 #-----------------------------------------
677 # Periodicity (BLSURF with PreCAD)
678 #-----------------------------------------
680 ## Defines periodicity between two groups of faces, using PreCAD
681 # @param theFace1 : GEOM face (or group, compound) to associate with theFace2
682 # @param theFace2 : GEOM face (or group, compound) associated with theFace1
683 # @param theSourceVertices (optionnal): list of GEOM vertices on theFace1 defining the transformation from theFace1 to theFace2.
684 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
685 # @param theTargetVertices (optionnal): list of GEOM vertices on theFace2 defining the transformation from theFace1 to theFace2.
686 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
687 def AddPreCadFacesPeriodicity(self, theFace1, theFace2, theSourceVertices=[], theTargetVertices=[]):
688 """calls preCad function:
689 status_t cad_add_face_multiple_periodicity_with_transformation_function(cad t *cad,
690 integer *fid1, integer size1, integer *fid2, integer size2,
691 periodicity_transformation_t transf, void *user data);
693 if theSourceVertices and theTargetVertices:
694 self.Parameters().AddPreCadFacesPeriodicityWithVertices(theFace1, theFace2, theSourceVertices, theTargetVertices)
696 self.Parameters().AddPreCadFacesPeriodicity(theFace1, theFace2)
699 ## Defines periodicity between two groups of edges, using PreCAD
700 # @param theEdge1 : GEOM edge (or group, compound) to associate with theEdge2
701 # @param theEdge2 : GEOM edge (or group, compound) associated with theEdge1
702 # @param theSourceVertices (optionnal): list of GEOM vertices on theEdge1 defining the transformation from theEdge1 to theEdge2.
703 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
704 # @param theTargetVertices (optionnal): list of GEOM vertices on theEdge2 defining the transformation from theEdge1 to theEdge2.
705 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
706 def AddPreCadEdgesPeriodicity(self, theEdge1, theEdge2, theSourceVertices=[], theTargetVertices=[]):
707 """calls preCad function:
708 status_t cad_add_edge_multiple_periodicity_with_transformation_function(cad t *cad,
709 integer *eid1, integer size1, integer *eid2, integer size2,
710 periodicity_transformation_t transf, void *user data);
712 if theSourceVertices and theTargetVertices:
713 self.Parameters().AddPreCadEdgesPeriodicityWithVertices(theEdge1, theEdge2, theSourceVertices, theTargetVertices)
715 self.Parameters().AddPreCadEdgesPeriodicity(theEdge1, theEdge2)
718 #-----------------------------------------
720 #-----------------------------------------
722 ## Defines hyper-patches. A hyper-patch is a set of adjacent faces meshed as a whole,
723 # ignoring edges between them
724 # @param hyperPatchList : list of hyper-patches. A hyper-patch is defined as a list of
725 # faces or groups of faces. A face can be identified either as a GEOM object or
726 # a face ID (returned e.g. by geompy.GetSubShapeID( mainShape, subShape )).
728 # Example: cadsurf.SetHyperPatches([[ Face_1, Group_2 ],[ 13, 23 ]])
729 def SetHyperPatches(self, hyperPatchList):
731 for patch in hyperPatchList:
734 if isinstance( face, int ):
736 elif isinstance( face, GEOM._objref_GEOM_Object):
737 faces = self.mesh.geompyD.SubShapeAll( face, self.mesh.geompyD.ShapeType["FACE"] )
739 ids.append( self.mesh.geompyD.GetSubShapeID( self.mesh.geom, f ))
741 raise TypeError("Face of hyper-patch should be either ID or GEOM_Object, not %s" % type(face))
745 self.Parameters().SetHyperPatches( hpl )
748 pass # end of BLSURF_Algorithm class