1 # Copyright (C) 2007-2019 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 ## Activate/deactivate surface proximity computation
202 # @param toUse boolean flag
204 def SetSurfaceProximity(self, toUse ):
205 self.Parameters().SetSurfaceProximity(toUse)
208 ## Set number of surface element layers to be generated due to surface proximity
209 # @param nbLayers number of layers
211 def SetNbSurfaceProximityLayers(self, nbLayers ):
212 self.Parameters().SetNbSurfaceProximityLayers( nbLayers )
215 ## Set coefficient by which size of element refined due to surface proximity is increased
216 # @param ratio proximity coefficient
218 def SetSurfaceProximityRatio(self, ratio ):
219 self.Parameters().SetSurfaceProximityRatio(ratio)
222 ## Activate/deactivate volume proximity computation
223 # @param toUse boolean flag
225 def SetVolumeProximity(self, toUse ):
226 self.Parameters().SetVolumeProximity(toUse)
229 ## Set number of surface element layers to be generated due to volume proximity
230 # @param nbLayers number of layers
232 def SetNbVolumeProximityLayers(self, nbLayers ):
233 self.Parameters().SetNbVolumeProximityLayers(nbLayers)
236 ## Set coefficient by which size of element refined due to volume proximity is increased
237 # @param ratio proximity coefficient
239 def SetVolumeProximityRatio(self, ratio ):
240 self.Parameters().SetVolumeProximityRatio(ratio)
244 ## Sets verbosity level in the range 0 to 100.
245 # @param level verbosity level
246 def SetVerbosity(self, level):
247 self.Parameters().SetVerbosity(level)
250 ## Set enforce_cad_edge_sizes parameter
252 # Relaxes the given sizemap constraint around CAD edges to allow a better
253 # element quality and a better geometric approximation. It is only useful in
254 # combination with the gradation option.
256 def SetEnforceCadEdgesSize( self, toEnforce ):
257 self.Parameters().SetEnforceCadEdgesSize( toEnforce )
259 ## Set jacobian_rectification_respect_geometry parameter
261 # While making the mesh quadratic, allows to lose the CAD-mesh associativity in order
262 # to correct elements with nagative Jacobian
264 def SetJacobianRectificationRespectGeometry( self, allowRectification ):
265 self.Parameters().SetJacobianRectificationRespectGeometry( allowRectification )
267 ## Set rectify_jacobian parameter
269 # While making the mesh quadratic, allow to fix nagative Jacobian surface elements
271 def SetJacobianRectification( self, allowRectification ):
272 self.Parameters().SetJacobianRectification( allowRectification )
274 ## Set use_deprecated_patch_mesher parameter (compatibility with older versions of Meshgems)
276 # the use_deprecated_patch_mesher parameter allows to keep the same behaviour than
277 # in salome < 8.3 (meshgems 2.1.11 instead of meshgems >= 2.4.5)
279 def SetUseDeprecatedPatchMesher( self, useDeprecatedPatchMesher ):
280 self.Parameters().SetUseDeprecatedPatchMesher( useDeprecatedPatchMesher )
282 ## Set respect_geometry parameter
284 # This patch independent option can be deactivated to allow MeshGems-CADSurf
285 # to lower the geometry accuracy in its patch independent process.
287 def SetRespectGeometry( self, toRespect ):
288 self.Parameters().SetRespectGeometry( toRespect )
290 ## Set max_number_of_points_per_patch parameter
292 # This parameter controls the maximum amount of points MeshGems-CADSurf is allowed
293 # to generate on a single CAD patch. For an automatic gestion of the memory, one
294 # can set this parameter to 0
296 def SetMaxNumberOfPointsPerPatch( self, nb ):
297 print("Warning: method SetMaxNumberOfPointsPerPatch() is deprecated")
298 self.Parameters().SetMaxNumberOfPointsPerPatch( nb )
300 ## Set max_number_of_threads parameter
302 # Set the maximum of threads to use for multithreading mesh computation
304 def SetMaxNumberOfThreads( self, nb ):
305 self.Parameters().SetMaxNumberOfThreads( nb )
307 ## Set respect_geometry parameter
309 # This patch independent option can be deactivated to allow MeshGems-CADSurf
310 # to lower the geometry accuracy in its patch independent process.
312 def SetRespectGeometry( self, toRespect ):
313 self.Parameters().SetRespectGeometry( toRespect )
315 ## Set tiny_edges_avoid_surface_intersections parameter
317 # This option defines the priority between the tiny feature
318 # suppression and the surface intersection prevention.
320 def SetTinyEdgesAvoidSurfaceIntersections( self, toAvoidIntersection ):
321 self.Parameters().SetTinyEdgesAvoidSurfaceIntersections( toAvoidIntersection )
323 ## Set closed_geometry parameter parameter
325 # Describes whether the geometry is expected to be closed or not.
326 # When activated, this option helps MeshGems-PreCAD to treat the dirtiest geometries.
328 def SetClosedGeometry( self, isClosed ):
329 self.Parameters().SetClosedGeometry( isClosed )
331 ## Set debug parameter
333 # Make MeshGems-CADSurf will be very verbose and will output some intermediate
334 # files in the working directory. This option is mainly meant for Distene support issues.
336 def SetDebug( self, isDebug ):
337 self.Parameters().SetDebug( isDebug )
339 ## Set periodic_tolerance parameter
341 # This parameter defines the maximum size difference between two periodic edges
342 # and also the maximum distance error between two periodic entities.
344 def SetPeriodicTolerance( self, tol ):
345 self.Parameters().SetPeriodicTolerance( tol )
347 ## Set required_entities parameter
349 # The required entities control the correction operations.
350 # Accepted values for this parameter are :
351 # - "respect" : MeshGems-CADSurf is not allowed to alter any required entity,
352 # even for correction purposes,
353 # - "ignore" : MeshGems-CADSurf will ignore the required entities in its processing,
354 # - "clear" : MeshGems-CADSurf will clear any required status for the entities.
355 # There will not be any entity marked as required in the generated mesh.
357 def SetRequiredEntities( self, howToTreat ):
358 self.Parameters().SetRequiredEntities( howToTreat )
360 ## Set sewing_tolerance parameter
362 # This parameter is the tolerance of the assembly.
364 def SetSewingTolerance( self, tol ):
365 self.Parameters().SetSewingTolerance( tol )
367 ## Set tags parameter
369 # The tag (attribute) system controls the optimisation process.
370 # Accepted values for this parameter are :
371 # - "respect" : the CAD tags will be preserved and unaltered by the optimisation operations,
372 # - "ignore" : the CAD tags will be ignored by the optimisation operations
373 # but they will still be present in the output mesh,
374 # - "clear" : MeshGems-CADSurf will clear any tag on any entity and optimise accordingly.
375 # There will not be any tag in the generated mesh.
377 def SetTags( self, howToTreat ):
378 self.Parameters().SetTags( howToTreat )
380 ## Activate/deactivate fully patch independent meshing
381 # @param isIndependent boolean flag
383 # This feature can only be used if the @a tags parameter is set to "respect".
384 # By default this option deactivated.
386 def SetPatchIndependent( self, isIndependent ):
387 self.SetOptionValue( "allow_patch_independent", "yes" if isIndependent else "no" )
389 ## Set to preserve lines defined by a sharp angle in the input discrete geometry
390 # @param toCompute boolean flag
392 # If this option is deactivated, MeshGems-CADSurf will not try to preserve lines
393 # defined by a sharp angle in the input discrete geometry. Only input ridges, free
394 # edges, non manifold edges and separation betwen zones with different attributes
395 # will be respected (if tags is set to respect).
396 # By default this option activated.
398 def SetComputeRidges( self, toCompute ):
399 self.SetOptionValue( "compute_ridges", "yes" if toCompute else "no" )
402 ## Activate removal of the tiny edges from the generated
403 # mesh when it improves the local mesh quality, without taking into account the
404 # tags (attributes) specifications.
405 # @param toOptimise "to optimize" flag value
406 # @param length minimal length under which an edge is considered to be a tiny
407 def SetOptimiseTinyEdges(self, toOptimise, length=-1):
408 self.Parameters().SetOptimiseTinyEdges( toOptimise )
410 self.Parameters().SetTinyEdgeOptimisationLength( length )
412 ## Activate correction of all surface intersections
413 # @param toCorrect "to correct" flag value
414 # @param maxCost the time the user is ready to spend in the intersection prevention process
415 # For example, maxCost = 3 means that MeshGems-CADSurf will not spend more time
416 # in the intersection removal process than 3 times the time required to mesh
417 # without processing the intersections.
418 def SetCorrectSurfaceIntersection(self, toCorrect, maxCost ):
419 self.Parameters().SetCorrectSurfaceIntersection( toCorrect )
421 self.Parameters().SetCorrectSurfaceIntersectionMaxCost( maxCost )
423 ## To optimize merges edges.
424 # @param toMergeEdges "merge edges" flag value
425 def SetPreCADMergeEdges(self, toMergeEdges=False):
426 self.Parameters().SetPreCADMergeEdges(toMergeEdges)
429 ## To remove duplicate CAD Faces
430 # @param toRemoveDuplicateCADFaces "remove_duplicate_cad_faces" flag value
431 def SetPreCADRemoveDuplicateCADFaces(self, toRemoveDuplicateCADFaces=False):
432 self.Parameters().SetPreCADRemoveDuplicateCADFaces(toRemoveDuplicateCADFaces)
435 ## To process 3D topology.
436 # @param toProcess "PreCAD process 3D" flag value
437 def SetPreCADProcess3DTopology(self, toProcess=False):
438 self.Parameters().SetPreCADProcess3DTopology(toProcess)
441 ## To remove nano edges.
442 # @param toRemoveNanoEdges "remove nano edges" flag value
443 def SetPreCADRemoveNanoEdges(self, toRemoveNanoEdges=False):
444 if toRemoveNanoEdges:
445 self.SetPreCADOptionValue("remove_tiny_edges","1")
447 self.SetPreCADOptionValue("remove_tiny_edges","0")
450 ## To compute topology from scratch
451 # @param toDiscardInput "discard input" flag value
452 def SetPreCADDiscardInput(self, toDiscardInput=False):
453 self.Parameters().SetPreCADDiscardInput(toDiscardInput)
456 ## Sets the length below which an edge is considered as nano
457 # for the topology processing.
458 # @param epsNano nano edge length threshold value
459 def SetPreCADEpsNano(self, epsNano):
460 self.SetPreCADOptionValue("tiny_edge_length","%f"%epsNano)
463 ## Sets advanced option value.
464 # @param optionName advanced option name
465 # @param level advanced option value
466 def SetOptionValue(self, optionName, level):
467 self.Parameters().SetOptionValue(optionName,level)
470 ## Sets advanced PreCAD option value.
471 # @param optionName name of the option
472 # @param optionValue value of the option
473 def SetPreCADOptionValue(self, optionName, optionValue):
474 self.Parameters().SetPreCADOptionValue(optionName,optionValue)
477 ## Adds custom advanced option values
478 # @param optionsAndValues options and values in a form "option_1 v1 option_2 v2'"
479 def SetAdvancedOption(self, optionsAndValues):
480 self.Parameters().SetAdvancedOption(optionsAndValues)
483 ## Adds custom advanced option value.
484 # @param optionName custom advanced option name
485 # @param level custom advanced option value
486 def AddOption(self, optionName, level):
487 self.Parameters().AddOption(optionName,level)
490 ## Adds custom advanced PreCAD option value.
491 # @param optionName custom name of the option
492 # @param optionValue value of the option
493 def AddPreCADOption(self, optionName, optionValue):
494 self.Parameters().AddPreCADOption(optionName,optionValue)
497 ## Sets GMF file for export at computation
498 # @param fileName GMF file name
499 def SetGMFFile(self, fileName):
500 self.Parameters().SetGMFFile(fileName)
503 #-----------------------------------------
504 # Enforced vertices (BLSURF)
505 #-----------------------------------------
507 ## To get all the enforced vertices
508 def GetAllEnforcedVertices(self):
509 return self.Parameters().GetAllEnforcedVertices()
511 ## To get all the enforced vertices sorted by face (or group, compound)
512 def GetAllEnforcedVerticesByFace(self):
513 return self.Parameters().GetAllEnforcedVerticesByFace()
515 ## To get all the enforced vertices sorted by coords of input vertices
516 def GetAllEnforcedVerticesByCoords(self):
517 return self.Parameters().GetAllEnforcedVerticesByCoords()
519 ## To get all the coords of input vertices sorted by face (or group, compound)
520 def GetAllCoordsByFace(self):
521 return self.Parameters().GetAllCoordsByFace()
523 ## To get all the enforced vertices on a face (or group, compound)
524 # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
525 def GetEnforcedVertices(self, theFace):
526 from salome.smesh.smeshBuilder import AssureGeomPublished
527 AssureGeomPublished( self.mesh, theFace )
528 return self.Parameters().GetEnforcedVertices(theFace)
530 ## To clear all the enforced vertices
531 def ClearAllEnforcedVertices(self):
532 return self.Parameters().ClearAllEnforcedVertices()
534 ## 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.
535 # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
536 # @param x : x coordinate
537 # @param y : y coordinate
538 # @param z : z coordinate
539 # @param vertexName : name of the enforced vertex
540 # @param groupName : name of the group
541 def SetEnforcedVertex(self, theFace, x, y, z, vertexName = "", groupName = ""):
542 from salome.smesh.smeshBuilder import AssureGeomPublished
543 AssureGeomPublished( self.mesh, theFace )
546 return self.Parameters().SetEnforcedVertex(theFace, x, y, z)
548 return self.Parameters().SetEnforcedVertexWithGroup(theFace, x, y, z, groupName)
552 return self.Parameters().SetEnforcedVertexNamed(theFace, x, y, z, vertexName)
554 return self.Parameters().SetEnforcedVertexNamedWithGroup(theFace, x, y, z, vertexName, groupName)
558 ## To set an enforced vertex on a face (or group, compound) given a GEOM vertex, group or compound.
559 # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
560 # @param theVertex : GEOM vertex (or group, compound) to be projected on theFace.
561 # @param groupName : name of the group
562 def SetEnforcedVertexGeom(self, theFace, theVertex, groupName = ""):
563 from salome.smesh.smeshBuilder import AssureGeomPublished
564 AssureGeomPublished( self.mesh, theFace )
565 AssureGeomPublished( self.mesh, theVertex )
567 return self.Parameters().SetEnforcedVertexGeom(theFace, theVertex)
569 return self.Parameters().SetEnforcedVertexGeomWithGroup(theFace, theVertex,groupName)
572 ## Set an enforced vertex on a face given the coordinates of a point.
573 # The face if found by the application.
574 # @param x : x coordinate
575 # @param y : y coordinate
576 # @param z : z coordinate
577 # @param vertexName : name of the enforced vertex
578 # @param groupName : name of the group
579 def AddEnforcedVertex(self, x, y, z, vertexName = "", groupName = ""):
580 from salome.smesh.smeshBuilder import AssureGeomPublished
583 return self.Parameters().AddEnforcedVertex(x, y, z)
585 return self.Parameters().AddEnforcedVertexWithGroup(x, y, z, groupName)
589 return self.Parameters().AddEnforcedVertexNamed(x, y, z, vertexName)
591 return self.Parameters().AddEnforcedVertexNamedWithGroup( x, y, z, vertexName, groupName)
595 ## To set an enforced vertex on a face given a GEOM vertex, group or compound.
596 # The face if found by the application.
597 # @param theVertex : GEOM vertex (or group, compound).
598 # @param groupName : name of the group
599 def AddEnforcedVertexGeom(self, theVertex, groupName = ""):
600 from salome.smesh.smeshBuilder import AssureGeomPublished
601 AssureGeomPublished( self.mesh, theVertex )
603 return self.Parameters().AddEnforcedVertexGeom(theVertex)
605 return self.Parameters().AddEnforcedVertexGeomWithGroup(theVertex,groupName)
608 ## To remove an enforced vertex on a given GEOM face (or group, compound) given the coordinates.
609 # @param theFace : GEOM face (or group, compound) on which to remove the enforced vertex
610 # @param x : x coordinate
611 # @param y : y coordinate
612 # @param z : z coordinate
613 def UnsetEnforcedVertex(self, theFace, x, y, z):
614 from salome.smesh.smeshBuilder import AssureGeomPublished
615 AssureGeomPublished( self.mesh, theFace )
616 return self.Parameters().UnsetEnforcedVertex(theFace, x, y, z)
618 ## To remove an enforced vertex on a given GEOM face (or group, compound) given a GEOM vertex, group or compound.
619 # @param theFace : GEOM face (or group, compound) on which to remove the enforced vertex
620 # @param theVertex : GEOM vertex (or group, compound) to remove.
621 def UnsetEnforcedVertexGeom(self, theFace, theVertex):
622 from salome.smesh.smeshBuilder import AssureGeomPublished
623 AssureGeomPublished( self.mesh, theFace )
624 AssureGeomPublished( self.mesh, theVertex )
625 return self.Parameters().UnsetEnforcedVertexGeom(theFace, theVertex)
627 ## To remove all enforced vertices on a given face.
628 # @param theFace : face (or group/compound of faces) on which to remove all enforced vertices
629 def UnsetEnforcedVertices(self, theFace):
630 from salome.smesh.smeshBuilder import AssureGeomPublished
631 AssureGeomPublished( self.mesh, theFace )
632 return self.Parameters().UnsetEnforcedVertices(theFace)
634 ## To tell BLSURF to add a node on internal vertices
635 # @param toEnforceInternalVertices : boolean; if True the internal vertices are added as enforced vertices
636 def SetInternalEnforcedVertexAllFaces(self, toEnforceInternalVertices):
637 return self.Parameters().SetInternalEnforcedVertexAllFaces(toEnforceInternalVertices)
639 ## To know if BLSURF will add a node on internal vertices
640 def GetInternalEnforcedVertexAllFaces(self):
641 return self.Parameters().GetInternalEnforcedVertexAllFaces()
643 ## To define a group for the nodes of internal vertices
644 # @param groupName : string; name of the group
645 def SetInternalEnforcedVertexAllFacesGroup(self, groupName):
646 return self.Parameters().SetInternalEnforcedVertexAllFacesGroup(groupName)
648 ## To get the group name of the nodes of internal vertices
649 def GetInternalEnforcedVertexAllFacesGroup(self):
650 return self.Parameters().GetInternalEnforcedVertexAllFacesGroup()
652 #-----------------------------------------
654 #-----------------------------------------
656 ## 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 ]
657 # @param theFace : face on which the attractor will be defined
658 # @param theAttractor : geometrical object from which the mesh size "h" decreases exponentially
659 # @param theStartSize : mesh size on theAttractor
660 # @param theEndSize : maximum size that will be reached on theFace
661 # @param theInfluenceDistance : influence of the attractor ( the size grow slower on theFace if it's high)
662 # @param theConstantSizeDistance : distance until which the mesh size will be kept constant on theFace
663 def SetAttractorGeom(self, theFace, theAttractor, theStartSize, theEndSize, theInfluenceDistance, theConstantSizeDistance):
664 from salome.smesh.smeshBuilder import AssureGeomPublished
665 AssureGeomPublished( self.mesh, theFace )
666 AssureGeomPublished( self.mesh, theAttractor )
667 self.Parameters().SetAttractorGeom(theFace, theAttractor, theStartSize, theEndSize, theInfluenceDistance, theConstantSizeDistance)
670 ## Unsets an attractor on the chosen face.
671 # @param theFace : face on which the attractor has to be removed
672 def UnsetAttractorGeom(self, theFace):
673 from salome.smesh.smeshBuilder import AssureGeomPublished
674 AssureGeomPublished( self.mesh, theFace )
675 self.Parameters().SetAttractorGeom(theFace)
678 #-----------------------------------------
680 #-----------------------------------------
682 ## To set a size map on a face, edge or vertex (or group, compound) given Python function.
683 # If theObject is a face, the function can be: def f(u,v): return u+v
684 # If theObject is an edge, the function can be: def f(t): return t/2
685 # If theObject is a vertex, the function can be: def f(): return 10
686 # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
687 # @param theSizeMap : Size map defined as a string
688 def SetSizeMap(self, theObject, theSizeMap):
689 from salome.smesh.smeshBuilder import AssureGeomPublished
690 AssureGeomPublished( self.mesh, theObject )
691 self.Parameters().SetSizeMap(theObject, theSizeMap)
694 ## To set a constant size map on a face, edge or vertex (or group, compound).
695 # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
696 # @param theSizeMap : Size map defined as a double
697 def SetConstantSizeMap(self, theObject, theSizeMap):
698 from salome.smesh.smeshBuilder import AssureGeomPublished
699 AssureGeomPublished( self.mesh, theObject )
700 self.Parameters().SetConstantSizeMap(theObject, theSizeMap)
702 ## To remove a size map defined on a face, edge or vertex (or group, compound)
703 # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
704 def UnsetSizeMap(self, theObject):
705 from salome.smesh.smeshBuilder import AssureGeomPublished
706 AssureGeomPublished( self.mesh, theObject )
707 self.Parameters().UnsetSizeMap(theObject)
710 ## To remove all the size maps
711 def ClearSizeMaps(self):
712 self.Parameters().ClearSizeMaps()
715 ## Sets QuadAllowed flag (DEPRECATED: use SetElementType)
716 # @param toAllow "allow quadrangles" flag value
717 # TODO: to remove in Salome 9
718 def SetQuadAllowed(self, toAllow=True):
719 self.Parameters().SetQuadAllowed(toAllow)
722 ## Sets elements type
723 # @param theElementType: 0 (Triangles), 1 (QuadrangleDominant), 2 (Quadrangles)
724 def SetElementType(self, theElementType=Triangles):
725 self.Parameters().SetElementType(theElementType)
728 ## Defines hypothesis having several parameters
729 # @return hypothesis object
730 def Parameters(self):
732 hypType = "MG-CADSurf Parameters"
733 hasGeom = self.mesh.GetMesh().HasShapeToMesh()
735 self.params = self.Hypothesis(hypType, [], LIBRARY, UseExisting=0)
737 self.params = self.Hypothesis(hypType + "_NOGEOM", [], LIBRARY, UseExisting=0)
738 self.mesh.smeshpyD.SetName( self.params, hypType )
742 #-----------------------------------------
743 # Periodicity (BLSURF with PreCAD)
744 #-----------------------------------------
746 ## Defines periodicity between two groups of faces, using PreCAD
747 # @param theFace1 : GEOM face (or group, compound) to associate with theFace2
748 # @param theFace2 : GEOM face (or group, compound) associated with theFace1
749 # @param theSourceVertices (optionnal): list of GEOM vertices on theFace1 defining the transformation from theFace1 to theFace2.
750 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
751 # @param theTargetVertices (optionnal): list of GEOM vertices on theFace2 defining the transformation from theFace1 to theFace2.
752 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
753 def AddPreCadFacesPeriodicity(self, theFace1, theFace2, theSourceVertices=[], theTargetVertices=[]):
754 """calls preCad function:
755 status_t cad_add_face_multiple_periodicity_with_transformation_function(cad t *cad,
756 integer *fid1, integer size1, integer *fid2, integer size2,
757 periodicity_transformation_t transf, void *user data);
759 if theSourceVertices and theTargetVertices:
760 self.Parameters().AddPreCadFacesPeriodicityWithVertices(theFace1, theFace2, theSourceVertices, theTargetVertices)
762 self.Parameters().AddPreCadFacesPeriodicity(theFace1, theFace2)
765 ## Defines periodicity between two groups of edges, using PreCAD
766 # @param theEdge1 : GEOM edge (or group, compound) to associate with theEdge2
767 # @param theEdge2 : GEOM edge (or group, compound) associated with theEdge1
768 # @param theSourceVertices (optionnal): list of GEOM vertices on theEdge1 defining the transformation from theEdge1 to theEdge2.
769 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
770 # @param theTargetVertices (optionnal): list of GEOM vertices on theEdge2 defining the transformation from theEdge1 to theEdge2.
771 # If None, PreCAD tries to find a simple translation. Else, need at least 3 not aligned vertices.
772 def AddPreCadEdgesPeriodicity(self, theEdge1, theEdge2, theSourceVertices=[], theTargetVertices=[]):
773 """calls preCad function:
774 status_t cad_add_edge_multiple_periodicity_with_transformation_function(cad t *cad,
775 integer *eid1, integer size1, integer *eid2, integer size2,
776 periodicity_transformation_t transf, void *user data);
778 if theSourceVertices and theTargetVertices:
779 self.Parameters().AddPreCadEdgesPeriodicityWithVertices(theEdge1, theEdge2, theSourceVertices, theTargetVertices)
781 self.Parameters().AddPreCadEdgesPeriodicity(theEdge1, theEdge2)
784 #-----------------------------------------
786 #-----------------------------------------
788 ## Defines hyper-patches. A hyper-patch is a set of adjacent faces meshed as a whole,
789 # ignoring edges between them
790 # @param hyperPatchList : list of hyper-patches. A hyper-patch is defined as a list of
791 # faces or groups of faces. A face can be identified either as a GEOM object or
792 # a face ID (returned e.g. by geompy.GetSubShapeID( mainShape, subShape )).
794 # Example: cadsurf.SetHyperPatches([[ Face_1, Group_2 ],[ 13, 23 ]])
795 def SetHyperPatches(self, hyperPatchList):
797 for patch in hyperPatchList:
800 if isinstance( face, int ):
802 elif isinstance( face, GEOM._objref_GEOM_Object):
803 faces = self.mesh.geompyD.SubShapeAll( face, self.mesh.geompyD.ShapeType["FACE"] )
805 ids.append( self.mesh.geompyD.GetSubShapeID( self.mesh.geom, f ))
807 raise TypeError("Face of hyper-patch should be either ID or GEOM_Object, not %s" % type(face))
811 self.Parameters().SetHyperPatches( hpl )
814 pass # end of BLSURF_Algorithm class