-# Copyright (C) 2007-2016 CEA/DEN, EDF R&D
+# Copyright (C) 2007-2023 CEA/DEN, EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# Python API for the MG-CADSurf meshing plug-in module.
from salome.smesh.smesh_algorithm import Mesh_Algorithm
+import GEOM
LIBRARY = "libBLSURFEngine.so"
+# ElementType enum
+Triangles, QuadrangleDominant, Quadrangles = 0, 1, 2
+
# Topology treatment way of MG-CADSurf
FromCAD, PreProcess, PreProcessPlus, PreCAD = 0,1,2,3
noBLSURFPlugin = 0
try:
import BLSURFPlugin
+ from BLSURFPlugin import MG_EnforcedMesh1D
+
except ImportError:
noBLSURFPlugin = 1
pass
def __init__(self, mesh, geom=0):
Mesh_Algorithm.__init__(self)
if noBLSURFPlugin:
- print "Warning: BLSURFPlugin module unavailable"
- self.Create(mesh, geom, BLSURF, LIBRARY)
+ print("Warning: BLSURFPlugin module unavailable")
+ if mesh.GetMesh().HasShapeToMesh():
+ self.Create(mesh, geom, self.algoType, LIBRARY)
+ else:
+ self.Create(mesh, geom, self.algoType+"_NOGEOM", LIBRARY)
+ mesh.smeshpyD.SetName( self.algo, self.algoType )
self.params=None
self.geompyD = mesh.geompyD
#self.SetPhysicalMesh() - PAL19680
pass
## Sets maximal allowed ratio between the lengths of two adjacent edges.
+ # @param toUseGradation to use gradation
# @param theVal value of maximal length ratio
def SetGradation(self, toUseGradation=True, theVal=_gradation):
if isinstance( toUseGradation, float ): ## backward compatibility
pass
## Sets maximal allowed ratio between the lengths of two adjacent edges in 3D mesh.
+ # @param toUseGradation to use gradation
# @param theVal value of maximal length ratio
def SetVolumeGradation(self, toUseGradation=True, theVal=_gradation):
if self.Parameters().GetGeometricMesh() == 0: theVal = self._volume_gradation
# <li>PreCAD - by pre-processing with PreCAD a CAD model</li></ul>
def SetTopology(self, way):
if way != PreCAD and way != FromCAD:
- print "Warning: topology mode %d is no longer supported. Mode FromCAD is used."%way
+ print("Warning: topology mode %d is no longer supported. Mode FromCAD is used."%way)
way = FromCAD
self.Parameters().SetTopology(way)
pass
- ## To respect geometrical edges or not.
- # @param toIgnoreEdges "ignore edges" flag value
- def SetDecimesh(self, toIgnoreEdges=False):
- if toIgnoreEdges:
- self.SetOptionValue("respect_geometry","0")
- else:
- self.SetOptionValue("respect_geometry","1")
- pass
+ ## Activate/deactivate surface proximity computation
+ # @param toUse boolean flag
+ #
+ def SetSurfaceProximity(self, toUse ):
+ self.Parameters().SetSurfaceProximity(toUse)
+ return
+
+ ## Set number of surface element layers to be generated due to surface proximity
+ # @param nbLayers number of layers
+ #
+ def SetNbSurfaceProximityLayers(self, nbLayers ):
+ self.Parameters().SetNbSurfaceProximityLayers( nbLayers )
+ return
+
+ ## Set coefficient by which size of element refined due to surface proximity is increased
+ # @param ratio proximity coefficient
+ #
+ def SetSurfaceProximityRatio(self, ratio ):
+ self.Parameters().SetSurfaceProximityRatio(ratio)
+ return
+
+ ## Activate/deactivate volume proximity computation
+ # @param toUse boolean flag
+ #
+ def SetVolumeProximity(self, toUse ):
+ self.Parameters().SetVolumeProximity(toUse)
+ return
+
+ ## Set number of surface element layers to be generated due to volume proximity
+ # @param nbLayers number of layers
+ #
+ def SetNbVolumeProximityLayers(self, nbLayers ):
+ self.Parameters().SetNbVolumeProximityLayers(nbLayers)
+ return
+
+ ## Set coefficient by which size of element refined due to volume proximity is increased
+ # @param ratio proximity coefficient
+ #
+ def SetVolumeProximityRatio(self, ratio ):
+ self.Parameters().SetVolumeProximityRatio(ratio)
+ return
+
- ## Sets verbosity level in the range 0 to 100.
+ ## Sets verbosity level in the range 0 to 10.
# @param level verbosity level
def SetVerbosity(self, level):
self.Parameters().SetVerbosity(level)
# combination with the gradation option.
#
def SetEnforceCadEdgesSize( self, toEnforce ):
+ if not version_less(self.Parameters().GetMeshGemsVersion(), '2.10'):
+ print("Warning: method SetEnforceCadEdgesSize() is deprecated")
self.Parameters().SetEnforceCadEdgesSize( toEnforce )
## Set jacobian_rectification_respect_geometry parameter
def SetJacobianRectification( self, allowRectification ):
self.Parameters().SetJacobianRectification( allowRectification )
+ ## Set use_deprecated_patch_mesher parameter (compatibility with older versions of Meshgems)
+ #
+ # the use_deprecated_patch_mesher parameter allows to keep the same behaviour than
+ # in salome < 8.3 (meshgems 2.1.11 instead of meshgems >= 2.4.5)
+ #
+ def SetUseDeprecatedPatchMesher( self, useDeprecatedPatchMesher ):
+ self.Parameters().SetUseDeprecatedPatchMesher( useDeprecatedPatchMesher )
+
## Set respect_geometry parameter
#
# This patch independent option can be deactivated to allow MeshGems-CADSurf
# can set this parameter to 0
#
def SetMaxNumberOfPointsPerPatch( self, nb ):
+ if not version_less(self.Parameters().GetMeshGemsVersion(), '2.10'):
+ print("Warning: method SetMaxNumberOfPointsPerPatch() is deprecated")
self.Parameters().SetMaxNumberOfPointsPerPatch( nb )
+ ## Set max_number_of_threads parameter
+ #
+ # Set the maximum of threads to use for multithreading mesh computation
+ #
+ def SetMaxNumberOfThreads( self, nb ):
+ self.Parameters().SetMaxNumberOfThreads( nb )
+
## Set respect_geometry parameter
#
# This patch independent option can be deactivated to allow MeshGems-CADSurf
def SetTags( self, howToTreat ):
self.Parameters().SetTags( howToTreat )
+ ## Activate/deactivate fully patch independent meshing
+ # @param isIndependent boolean flag
+ #
+ # This feature can only be used if the @a tags parameter is set to "respect".
+ # By default this option deactivated.
+ #
+ def SetPatchIndependent( self, isIndependent ):
+ self.SetOptionValue( "allow_patch_independent", "yes" if isIndependent else "no" )
+
+ ## Set to preserve lines defined by a sharp angle in the input discrete geometry
+ # @param toCompute boolean flag
+ #
+ # If this option is deactivated, MeshGems-CADSurf will not try to preserve lines
+ # defined by a sharp angle in the input discrete geometry. Only input ridges, free
+ # edges, non manifold edges and separation betwen zones with different attributes
+ # will be respected (if tags is set to respect).
+ # By default this option activated.
+ #
+ def SetComputeRidges( self, toCompute ):
+ self.SetOptionValue( "compute_ridges", "yes" if toCompute else "no" )
+
+
## Activate removal of the tiny edges from the generated
# mesh when it improves the local mesh quality, without taking into account the
# tags (attributes) specifications.
self.Parameters().SetPreCADMergeEdges(toMergeEdges)
pass
- ## To remove tiny UV edges.
- # @param toRemoveTinyUVEdges "remove_tiny_uv_edges" flag value
- def SetPreCADRemoveTinyUVEdges(self, toRemoveTinyUVEdges=False):
- self.Parameters().SetPreCADRemoveTinyUVEdges(toRemoveTinyUVEdges)
- pass
-
## To remove duplicate CAD Faces
# @param toRemoveDuplicateCADFaces "remove_duplicate_cad_faces" flag value
def SetPreCADRemoveDuplicateCADFaces(self, toRemoveDuplicateCADFaces=False):
return self.Parameters().SetEnforcedVertexGeomWithGroup(theFace, theVertex,groupName)
pass
+ ## Set an enforced vertex on a face given the coordinates of a point.
+ # The face if found by the application.
+ # @param x : x coordinate
+ # @param y : y coordinate
+ # @param z : z coordinate
+ # @param vertexName : name of the enforced vertex
+ # @param groupName : name of the group
+ def AddEnforcedVertex(self, x, y, z, vertexName = "", groupName = ""):
+ from salome.smesh.smeshBuilder import AssureGeomPublished
+ if vertexName == "":
+ if groupName == "":
+ return self.Parameters().AddEnforcedVertex(x, y, z)
+ else:
+ return self.Parameters().AddEnforcedVertexWithGroup(x, y, z, groupName)
+ pass
+ else:
+ if groupName == "":
+ return self.Parameters().AddEnforcedVertexNamed(x, y, z, vertexName)
+ else:
+ return self.Parameters().AddEnforcedVertexNamedWithGroup( x, y, z, vertexName, groupName)
+ pass
+ pass
+
+ ## To set an enforced vertex on a face given a GEOM vertex, group or compound.
+ # The face if found by the application.
+ # @param theVertex : GEOM vertex (or group, compound).
+ # @param groupName : name of the group
+ def AddEnforcedVertexGeom(self, theVertex, groupName = ""):
+ from salome.smesh.smeshBuilder import AssureGeomPublished
+ AssureGeomPublished( self.mesh, theVertex )
+ if groupName == "":
+ return self.Parameters().AddEnforcedVertexGeom(theVertex)
+ else:
+ return self.Parameters().AddEnforcedVertexGeomWithGroup(theVertex,groupName)
+ pass
+
## To remove an enforced vertex on a given GEOM face (or group, compound) given the coordinates.
# @param theFace : GEOM face (or group, compound) on which to remove the enforced vertex
# @param x : x coordinate
def GetInternalEnforcedVertexAllFacesGroup(self):
return self.Parameters().GetInternalEnforcedVertexAllFacesGroup()
+ #-----------------------------------------
+ # Enforced mesh
+ #-----------------------------------------
+
+ ## Set enforced 1D meshes
+ # @param enfMeshes : list of smeshBuilder.MG_EnforcedMesh1D structures
+ #
+ # Example: cadsurf.SetEnforcedMeshes([ smeshBuilder.MG_EnforcedMesh1D( mesh1D, "Group 1D")]
+ def SetEnforcedMeshes( self, enfMeshes ):
+ from salome.smesh.smeshBuilder import Mesh
+ for em in enfMeshes:
+ if isinstance( em.mesh, Mesh ):
+ em.mesh = em.mesh.GetMesh()
+ return self.Parameters().SetEnforcedMeshes( enfMeshes )
+
#-----------------------------------------
# Attractors
#-----------------------------------------
self.Parameters().ClearSizeMaps()
pass
- ## Sets QuadAllowed flag.
+ ## Sets QuadAllowed flag (DEPRECATED: use SetElementType)
# @param toAllow "allow quadrangles" flag value
+ # TODO: to remove in Salome 9
def SetQuadAllowed(self, toAllow=True):
self.Parameters().SetQuadAllowed(toAllow)
pass
+ ## Sets elements type
+ # @param theElementType: 0 (Triangles), 1 (QuadrangleDominant), 2 (Quadrangles)
+ def SetElementType(self, theElementType=Triangles):
+ self.Parameters().SetElementType(theElementType)
+ pass
+
## Defines hypothesis having several parameters
# @return hypothesis object
def Parameters(self):
if not self.params:
- self.params = self.Hypothesis("MG-CADSurf Parameters", [],
- LIBRARY, UseExisting=0)
+ hypType = "MG-CADSurf Parameters"
+ hasGeom = self.mesh.GetMesh().HasShapeToMesh()
+ if hasGeom:
+ self.params = self.Hypothesis(hypType, [], LIBRARY, UseExisting=0)
+ else:
+ self.params = self.Hypothesis(hypType + "_NOGEOM", [], LIBRARY, UseExisting=0)
+ self.mesh.smeshpyD.SetName( self.params, hypType )
pass
return self.params
self.Parameters().AddPreCadEdgesPeriodicity(theEdge1, theEdge2)
pass
- #=====================
- # Obsolete methods
- #=====================
- #
- # SALOME 6.6.0
- #
-
- ## Sets lower boundary of mesh element size (PhySize).
- def SetPhyMin(self, theVal=-1):
- """
- Obsolete function. Use SetMinSize.
- """
- print "Warning: SetPhyMin is obsolete. Please use SetMinSize"
- self.SetMinSize(theVal)
- pass
-
- ## Sets upper boundary of mesh element size (PhySize).
- def SetPhyMax(self, theVal=-1):
- """
- Obsolete function. Use SetMaxSize.
- """
- print "Warning: SetPhyMax is obsolete. Please use SetMaxSize"
- self.SetMaxSize(theVal)
- pass
-
- ## Sets angular deflection (in degrees) of a mesh face from CAD surface.
- def SetAngleMeshS(self, theVal=_geometric_approximation):
- """
- Obsolete function. Use SetAngleMesh.
- """
- print "Warning: SetAngleMeshS is obsolete. Please use SetAngleMesh"
- self.SetAngleMesh(theVal)
- pass
-
- ## Sets angular deflection (in degrees) of a mesh edge from CAD curve.
- def SetAngleMeshC(self, theVal=_geometric_approximation):
- """
- Obsolete function. Use SetAngleMesh.
- """
- print "Warning: SetAngleMeshC is obsolete. Please use SetAngleMesh"
- self.SetAngleMesh(theVal)
- pass
-
- ## Sets lower boundary of mesh element size computed to respect angular deflection.
- def SetGeoMin(self, theVal=-1):
- """
- Obsolete function. Use SetMinSize.
- """
- print "Warning: SetGeoMin is obsolete. Please use SetMinSize"
- self.SetMinSize(theVal)
- pass
-
- ## Sets upper boundary of mesh element size computed to respect angular deflection.
- def SetGeoMax(self, theVal=-1):
- """
- Obsolete function. Use SetMaxSize.
- """
- print "Warning: SetGeoMax is obsolete. Please use SetMaxSize"
- self.SetMaxSize(theVal)
- pass
-
+ #-----------------------------------------
+ # Hyper-Patches
+ #-----------------------------------------
+
+ ## Defines hyper-patches. A hyper-patch is a set of adjacent faces meshed as a whole,
+ # ignoring edges between them
+ # @param hyperPatchList : list of hyper-patches. A hyper-patch is defined as a list of
+ # faces or groups of faces. A face can be identified either as a GEOM object or
+ # a face ID (returned e.g. by geompy.GetSubShapeID( mainShape, subShape )).
+ #
+ # Example: cadsurf.SetHyperPatches([[ Face_1, Group_2 ],[ 13, 23 ]])
+ def SetHyperPatches(self, hyperPatchList):
+ hpl = []
+ for patch in hyperPatchList:
+ ids = []
+ for face in patch:
+ if isinstance( face, int ):
+ ids.append( face )
+ elif isinstance( face, GEOM._objref_GEOM_Object):
+ faces = self.mesh.geompyD.SubShapeAll( face, self.mesh.geompyD.ShapeType["FACE"] )
+ for f in faces:
+ ids.append( self.mesh.geompyD.GetSubShapeID( self.mesh.geom, f ))
+ else:
+ raise TypeError("Face of hyper-patch should be either ID or GEOM_Object, not %s" % type(face))
+ pass
+ hpl.append( ids )
+ pass
+ self.Parameters().SetHyperPatches( hpl )
+ return
pass # end of BLSURF_Algorithm class
+
+def version_less(version: str, ref_version: str):
+ from re import split
+ return [int(i) for i in split('[.-]', version)] < [int(i) for i in re.split('[.-]', ref_version)]
