--- /dev/null
+# Copyright (C) 2007-2012 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
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
+##
+# @package BLSURFPluginBuilder
+# Python API for the BLSURF meshing plug-in module.
+
+from salome.smesh.smesh_algorithm import Mesh_Algorithm
+from salome.smesh.smeshBuilder import AssureGeomPublished
+
+# Topology treatment way of BLSURF
+FromCAD, PreProcess, PreProcessPlus, PreCAD = 0,1,2,3
+
+# Element size flag of BLSURF
+DefaultSize, DefaultGeom, BLSURF_GlobalSize, BLSURF_LocalSize = 0,0,1,2
+# Retrocompatibility
+BLSURF_Custom, SizeMap = BLSURF_GlobalSize, BLSURF_LocalSize
+
+
+# import BLSURFPlugin module if possible
+noBLSURFPlugin = 0
+try:
+ import BLSURFPlugin
+except ImportError:
+ noBLSURFPlugin = 1
+ pass
+
+#----------------------------
+# Mesh algo type identifiers
+#----------------------------
+
+## Algorithm type: BLSurf triangle 2D algorithm, see BLSURF_Algorithm
+BLSURF = "BLSURF"
+
+#----------------------
+# Algorithms
+#----------------------
+
+## BLSurf 2D algorithm.
+#
+# It can be created by calling smesh.Mesh.Triangle(smesh.BLSURF,geom=0)
+#
+class BLSURF_Algorithm(Mesh_Algorithm):
+
+ ## name of the dynamic method in smesh.Mesh class
+ # @internal
+ meshMethod = "Triangle"
+ ## type of algorithm used with helper function in smesh.Mesh class
+ # @internal
+ algoType = BLSURF
+ ## doc string of the method
+ # @internal
+ docHelper = "Creates triangle 2D algorithm for faces"
+
+ _anisotropic_ratio = 0
+ _bad_surface_element_aspect_ratio = 1000
+ _geometric_approximation = 22
+ _gradation = 1.3
+ _metric = "isotropic"
+ _remove_tiny_edges = 0
+
+ ## Private constructor.
+ # @param mesh parent mesh object algorithm is assigned to
+ # @param geom geometry (shape/sub-shape) algorithm is assigned to;
+ # if it is @c 0 (default), the algorithm is assigned to the main shape
+ def __init__(self, mesh, geom=0):
+ Mesh_Algorithm.__init__(self)
+ if noBLSURFPlugin:
+ print "Warning: BLSURFPlugin module unavailable"
+ self.Create(mesh, geom, BLSURF, "libBLSURFEngine.so")
+ self.params=None
+ #self.SetPhysicalMesh() - PAL19680
+ pass
+
+ ## Sets a way to define size of mesh elements to generate.
+ # @param thePhysicalMesh is: DefaultSize, BLSURF_Custom or SizeMap.
+ def SetPhysicalMesh(self, thePhysicalMesh=DefaultSize):
+ physical_size_mode = thePhysicalMesh
+ if self.Parameters().GetGeometricMesh() == DefaultGeom:
+ if physical_size_mode == DefaultSize:
+ physical_size_mode = BLSURF_GlobalSize
+ self.Parameters().SetPhysicalMesh(physical_size_mode)
+ pass
+
+ ## Sets a way to define maximum angular deflection of mesh from CAD model.
+ # @param theGeometricMesh is: DefaultGeom (0)) or BLSURF_GlobalSize (1))
+ def SetGeometricMesh(self, theGeometricMesh=DefaultGeom):
+ geometric_size_mode = theGeometricMesh
+ if self.Parameters().GetPhysicalMesh() == DefaultSize:
+ if geometric_size_mode == DefaultGeom:
+ geometric_size_mode = BLSURF_GlobalSize
+ self.Parameters().SetGeometricMesh(geometric_size_mode)
+ pass
+
+ ## Sets size of mesh elements to generate.
+ # @param theVal : constant global size when using a global physical size.
+ # @param isRelative : if True, the value is relative to the length of the diagonal of the bounding box
+ def SetPhySize(self, theVal, isRelative = False):
+ if self.Parameters().GetPhysicalMesh() == DefaultSize:
+ self.SetPhysicalMesh(BLSURF_GlobalSize)
+ if isRelative:
+ self.Parameters().SetPhySizeRel(theVal)
+ else:
+ self.Parameters().SetPhySize(theVal)
+ pass
+
+ ## Sets lower boundary of mesh element size.
+ # @param theVal : global minimal cell size desired.
+ # @param isRelative : if True, the value is relative to the length of the diagonal of the bounding box
+ def SetMinSize(self, theVal=-1, isRelative = False):
+ if isRelative:
+ self.Parameters().SetMinSizeRel(theVal)
+ else:
+ self.Parameters().SetMinSize(theVal)
+ pass
+
+ ## Sets upper boundary of mesh element size.
+ # @param theVal : global maximal cell size desired.
+ # @param isRelative : if True, the value is relative to the length of the diagonal of the bounding box
+ def SetMaxSize(self, theVal=-1):
+ if isRelative:
+ self.Parameters().SetMaxSizeRel(theVal)
+ else:
+ self.Parameters().SetMaxSize(theVal)
+ pass
+
+ ## Sets angular deflection (in degrees) from CAD surface.
+ # @param theVal value of angular deflection
+ def SetAngleMesh(self, theVal=_geometric_approximation):
+ if self.Parameters().GetGeometricMesh() == DefaultGeom:
+ self.SetGeometricMesh(BLSURF_GlobalSize)
+ self.Parameters().SetAngleMesh(theVal)
+ pass
+
+ ## Sets maximal allowed ratio between the lengths of two adjacent edges.
+ # @param theVal value of maximal length ratio
+ def SetGradation(self, theVal=_gradation):
+ if self.Parameters().GetGeometricMesh() == 0: theVal = self._gradation
+ self.Parameters().SetGradation(theVal)
+ pass
+
+ ## Sets topology usage way.
+ # @param way defines how mesh conformity is assured <ul>
+ # <li>FromCAD - mesh conformity is assured by conformity of a shape</li>
+ # <li>PreProcess or PreProcessPlus - by pre-processing a CAD model (OBSOLETE: FromCAD will be used)</li>
+ # <li>PreCAD - by pre-processing with PreCAD a CAD model</li></ul>
+ def SetTopology(self, way):
+ if way != PreCAD:
+ 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
+
+ ## Sets verbosity level in the range 0 to 100.
+ # @param level verbosity level
+ def SetVerbosity(self, level):
+ self.Parameters().SetVerbosity(level)
+ pass
+
+ ## To optimize merges edges.
+ # @param toMergeEdges "merge edges" flag value
+ def SetPreCADMergeEdges(self, toMergeEdges=False):
+ if self.Parameters().GetTopology() != PreCAD:
+ self.SetTopology(PreCAD)
+ self.Parameters().SetPreCADMergeEdges(toMergeEdges)
+ pass
+
+ ## To process 3D topology.
+ # @param toProcess "PreCAD process 3D" flag value
+ def SetPreCADProcess3DTopology(self, toProcess=False):
+ if self.Parameters().GetTopology() != PreCAD:
+ self.SetTopology(PreCAD)
+ self.Parameters().SetPreCADProcess3DTopology(toProcess)
+ pass
+
+ ## To remove nano edges.
+ # @param toRemoveNanoEdges "remove nano edges" flag value
+ def SetPreCADRemoveNanoEdges(self, toRemoveNanoEdges=False):
+ if toRemoveNanoEdges:
+ self.SetPreCADOptionValue("remove_tiny_edges","1")
+ else:
+ self.SetPreCADOptionValue("remove_tiny_edges","0")
+ pass
+
+ ## To compute topology from scratch
+ # @param toDiscardInput "discard input" flag value
+ def SetPreCADDiscardInput(self, toDiscardInput=False):
+ if self.Parameters().GetTopology() != PreCAD:
+ self.SetTopology(PreCAD)
+ self.Parameters().SetPreCADDiscardInput(toDiscardInput)
+ pass
+
+ ## Sets the length below which an edge is considered as nano
+ # for the topology processing.
+ # @param epsNano nano edge length threshold value
+ def SetPreCADEpsNano(self, epsNano):
+ self.SetPreCADOptionValue("tiny_edge_length","%f"%epsNano)
+ pass
+
+ ## Sets advanced option value.
+ # @param optionName advanced option name
+ # @param level advanced option value
+ def SetOptionValue(self, optionName, level):
+ self.Parameters().SetOptionValue(optionName,level)
+ pass
+
+ ## Sets advanced PreCAD option value.
+ # @param optionName name of the option
+ # @param optionValue value of the option
+ def SetPreCADOptionValue(self, optionName, optionValue):
+ if self.Parameters().GetTopology() != PreCAD:
+ self.SetTopology(PreCAD)
+ self.Parameters().SetPreCADOptionValue(optionName,optionValue)
+ pass
+
+ ## Sets GMF file for export at computation
+ # @param fileName GMF file name
+ def SetGMFFile(self, fileName):
+ self.Parameters().SetGMFFile(fileName)
+ pass
+
+ #-----------------------------------------
+ # Enforced vertices (BLSURF)
+ #-----------------------------------------
+
+ ## To get all the enforced vertices
+ def GetAllEnforcedVertices(self):
+ return self.Parameters().GetAllEnforcedVertices()
+
+ ## To get all the enforced vertices sorted by face (or group, compound)
+ def GetAllEnforcedVerticesByFace(self):
+ return self.Parameters().GetAllEnforcedVerticesByFace()
+
+ ## To get all the enforced vertices sorted by coords of input vertices
+ def GetAllEnforcedVerticesByCoords(self):
+ return self.Parameters().GetAllEnforcedVerticesByCoords()
+
+ ## To get all the coords of input vertices sorted by face (or group, compound)
+ def GetAllCoordsByFace(self):
+ return self.Parameters().GetAllCoordsByFace()
+
+ ## To get all the enforced vertices on a face (or group, compound)
+ # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
+ def GetEnforcedVertices(self, theFace):
+ AssureGeomPublished( self.mesh, theFace )
+ return self.Parameters().GetEnforcedVertices(theFace)
+
+ ## To clear all the enforced vertices
+ def ClearAllEnforcedVertices(self):
+ return self.Parameters().ClearAllEnforcedVertices()
+
+ ## 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.
+ # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
+ # @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 SetEnforcedVertex(self, theFace, x, y, z, vertexName = "", groupName = ""):
+ AssureGeomPublished( self.mesh, theFace )
+ if vertexName == "":
+ if groupName == "":
+ return self.Parameters().SetEnforcedVertex(theFace, x, y, z)
+ else:
+ return self.Parameters().SetEnforcedVertexWithGroup(theFace, x, y, z, groupName)
+ pass
+ else:
+ if groupName == "":
+ return self.Parameters().SetEnforcedVertexNamed(theFace, x, y, z, vertexName)
+ else:
+ return self.Parameters().SetEnforcedVertexNamedWithGroup(theFace, x, y, z, vertexName, groupName)
+ pass
+ pass
+
+ ## To set an enforced vertex on a face (or group, compound) given a GEOM vertex, group or compound.
+ # @param theFace : GEOM face (or group, compound) on which to define an enforced vertex
+ # @param theVertex : GEOM vertex (or group, compound) to be projected on theFace.
+ # @param groupName : name of the group
+ def SetEnforcedVertexGeom(self, theFace, theVertex, groupName = ""):
+ AssureGeomPublished( self.mesh, theFace )
+ AssureGeomPublished( self.mesh, theVertex )
+ if groupName == "":
+ return self.Parameters().SetEnforcedVertexGeom(theFace, theVertex)
+ else:
+ return self.Parameters().SetEnforcedVertexGeomWithGroup(theFace, 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
+ # @param y : y coordinate
+ # @param z : z coordinate
+ def UnsetEnforcedVertex(self, theFace, x, y, z):
+ AssureGeomPublished( self.mesh, theFace )
+ return self.Parameters().UnsetEnforcedVertex(theFace, x, y, z)
+
+ ## To remove an enforced vertex on a given GEOM face (or group, compound) given a GEOM vertex, group or compound.
+ # @param theFace : GEOM face (or group, compound) on which to remove the enforced vertex
+ # @param theVertex : GEOM vertex (or group, compound) to remove.
+ def UnsetEnforcedVertexGeom(self, theFace, theVertex):
+ AssureGeomPublished( self.mesh, theFace )
+ AssureGeomPublished( self.mesh, theVertex )
+ return self.Parameters().UnsetEnforcedVertexGeom(theFace, theVertex)
+
+ ## To remove all enforced vertices on a given face.
+ # @param theFace : face (or group/compound of faces) on which to remove all enforced vertices
+ def UnsetEnforcedVertices(self, theFace):
+ AssureGeomPublished( self.mesh, theFace )
+ return self.Parameters().UnsetEnforcedVertices(theFace)
+
+ ## To tell BLSURF to add a node on internal vertices
+ # @param toEnforceInternalVertices : boolean; if True the internal vertices are added as enforced vertices
+ def SetInternalEnforcedVertexAllFaces(self, toEnforceInternalVertices):
+ return self.Parameters().SetInternalEnforcedVertexAllFaces(toEnforceInternalVertices)
+
+ ## To know if BLSURF will add a node on internal vertices
+ def GetInternalEnforcedVertexAllFaces(self):
+ return self.Parameters().GetInternalEnforcedVertexAllFaces()
+
+ ## To define a group for the nodes of internal vertices
+ # @param groupName : string; name of the group
+ def SetInternalEnforcedVertexAllFacesGroup(self, groupName):
+ return self.Parameters().SetInternalEnforcedVertexAllFacesGroup(groupName)
+
+ ## To get the group name of the nodes of internal vertices
+ def GetInternalEnforcedVertexAllFacesGroup(self):
+ return self.Parameters().GetInternalEnforcedVertexAllFacesGroup()
+
+ #-----------------------------------------
+ # Attractors
+ #-----------------------------------------
+
+ ## 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 ]
+ # @param theFace : face on which the attractor will be defined
+ # @param theAttractor : geometrical object from which the mesh size "h" decreases exponentially
+ # @param theStartSize : mesh size on theAttractor
+ # @param theEndSize : maximum size that will be reached on theFace
+ # @param theInfluenceDistance : influence of the attractor ( the size grow slower on theFace if it's high)
+ # @param theConstantSizeDistance : distance until which the mesh size will be kept constant on theFace
+ def SetAttractorGeom(self, theFace, theAttractor, theStartSize, theEndSize, theInfluenceDistance, theConstantSizeDistance):
+ AssureGeomPublished( self.mesh, theFace )
+ AssureGeomPublished( self.mesh, theAttractor )
+ self.Parameters().SetAttractorGeom(theFace, theAttractor, theStartSize, theEndSize, theInfluenceDistance, theConstantSizeDistance)
+ pass
+
+ ## Unsets an attractor on the chosen face.
+ # @param theFace : face on which the attractor has to be removed
+ def UnsetAttractorGeom(self, theFace):
+ AssureGeomPublished( self.mesh, theFace )
+ self.Parameters().SetAttractorGeom(theFace)
+ pass
+
+ #-----------------------------------------
+ # Size maps (BLSURF)
+ #-----------------------------------------
+
+ ## To set a size map on a face, edge or vertex (or group, compound) given Python function.
+ # If theObject is a face, the function can be: def f(u,v): return u+v
+ # If theObject is an edge, the function can be: def f(t): return t/2
+ # If theObject is a vertex, the function can be: def f(): return 10
+ # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
+ # @param theSizeMap : Size map defined as a string
+ def SetSizeMap(self, theObject, theSizeMap):
+ AssureGeomPublished( self.mesh, theObject )
+ self.Parameters().SetSizeMap(theObject, theSizeMap)
+ pass
+
+ ## To set a constant size map on a face, edge or vertex (or group, compound).
+ # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
+ # @param theSizeMap : Size map defined as a double
+ def SetConstantSizeMap(self, theObject, theSizeMap):
+ AssureGeomPublished( self.mesh, theObject )
+ self.Parameters().SetConstantSizeMap(theObject, theSizeMap)
+
+ ## To remove a size map defined on a face, edge or vertex (or group, compound)
+ # @param theObject : GEOM face, edge or vertex (or group, compound) on which to define a size map
+ def UnsetSizeMap(self, theObject):
+ AssureGeomPublished( self.mesh, theObject )
+ self.Parameters().UnsetSizeMap(theObject)
+ pass
+
+ ## To remove all the size maps
+ def ClearSizeMaps(self):
+ self.Parameters().ClearSizeMaps()
+ pass
+
+ ## Sets QuadAllowed flag.
+ # @param toAllow "allow quadrangles" flag value
+ def SetQuadAllowed(self, toAllow=True):
+ self.Parameters().SetQuadAllowed(toAllow)
+ pass
+
+ ## Defines hypothesis having several parameters
+ # @return hypothesis object
+ def Parameters(self):
+ if not self.params:
+ self.params = self.Hypothesis("BLSURF_Parameters", [],
+ "libBLSURFEngine.so", UseExisting=0)
+ pass
+ return self.params
+
+ #=====================
+ # 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
+
+
+ pass # end of BLSURF_Algorithm class
\ No newline at end of file
