## @defgroup l3_hypos_ghs3dh GHS3D Parameters hypothesis
## @defgroup l3_hypos_blsurf BLSURF Parameters hypothesis
## @defgroup l3_hypos_hexotic Hexotic Parameters hypothesis
+## @defgroup l3_hypos_quad Quadrangle Parameters hypothesis
## @defgroup l3_hypos_additi Additional Hypotheses
## @}
# TopAbs_State enumeration
[TopAbs_IN, TopAbs_OUT, TopAbs_ON, TopAbs_UNKNOWN] = range(4)
+# Methods of splitting a hexahedron into tetrahedra
+Hex_5Tet, Hex_6Tet, Hex_24Tet = 1, 2, 3
+
+# import items of enum QuadType
+for e in StdMeshers.QuadType._items: exec('%s = StdMeshers.%s'%(e,e))
## Converts an angle from degrees to radians
def DegreesToRadians(AngleInDegrees):
def Concatenate( self, meshes, uniteIdenticalGroups,
mergeNodesAndElements = False, mergeTolerance = 1e-5, allGroups = False):
mergeTolerance,Parameters = geompyDC.ParseParameters(mergeTolerance)
+ for i,m in enumerate(meshes):
+ if isinstance(m, Mesh):
+ meshes[i] = m.GetMesh()
if allGroups:
aSmeshMesh = SMESH._objref_SMESH_Gen.ConcatenateWithGroups(
self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
else:
print "Error: The treshold should be a string."
return None
+ elif CritType == FT_CoplanarFaces:
+ # Checks the treshold
+ if isinstance(aTreshold, int):
+ aCriterion.ThresholdID = "%s"%aTreshold
+ elif isinstance(aTreshold, str):
+ ID = int(aTreshold)
+ if ID < 1:
+ raise ValueError, "Invalid ID of mesh face: '%s'"%aTreshold
+ aCriterion.ThresholdID = aTreshold
+ else:
+ raise ValueError,\
+ "The treshold should be an ID of mesh face and not '%s'"%aTreshold
elif CritType == FT_ElemGeomType:
# Checks the treshold
try:
def MakeGroupByCriterion(self, groupName, Criterion):
aFilterMgr = self.smeshpyD.CreateFilterManager()
aFilter = aFilterMgr.CreateFilter()
+ aFilter.SetMesh( self.mesh )
aCriteria = []
aCriteria.append(Criterion)
aFilter.SetCriteria(aCriteria)
def MakeGroupByCriteria(self, groupName, theCriteria):
aFilterMgr = self.smeshpyD.CreateFilterManager()
aFilter = aFilterMgr.CreateFilter()
+ aFilter.SetMesh( self.mesh )
aFilter.SetCriteria(theCriteria)
group = self.MakeGroupByFilter(groupName, aFilter)
return group
# @return SMESH_Group
# @ingroup l2_grps_create
def MakeGroupByFilter(self, groupName, theFilter):
- anIds = theFilter.GetElementsId(self.mesh)
- anElemType = theFilter.GetElementType()
- group = self.MakeGroupByIds(groupName, anElemType, anIds)
+ group = self.CreateEmptyGroup(theFilter.GetElementType(), groupName)
+ group.AddFrom( theFilter )
return group
## Passes mesh elements through the given filter and return IDs of fitting elements
# @return a list of ids
# @ingroup l1_controls
def GetIdsFromFilter(self, theFilter):
- return theFilter.GetElementsId(self.mesh)
+ return theFilter.GetIDs()
## Verifies whether a 2D mesh element has free edges (edges connected to one face only)\n
# Returns a list of special structures (borders).
return self.mesh.GetElementsId()
## Returns the list of IDs of mesh elements with the given type
- # @param elementType the required type of elements
+ # @param elementType the required type of elements (SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
# @return list of integer values
# @ingroup l1_meshinfo
def GetElementsByType(self, elementType):
## Splits volumic elements into tetrahedrons
# @param elemIDs either list of elements or mesh or group or submesh
- # @param method flags passing splitting method:
- # 1 - split the hexahedron into 5 tetrahedrons
- # 2 - split the hexahedron into 6 tetrahedrons
+ # @param method flags passing splitting method: Hex_5Tet, Hex_6Tet, Hex_24Tet
+ # Hex_5Tet - split the hexahedron into 5 tetrahedrons, etc
# @ingroup l2_modif_cutquadr
- def SplitVolumesIntoTetra(self, elemIDs, method=1 ):
+ def SplitVolumesIntoTetra(self, elemIDs, method=Hex_5Tet ):
if isinstance( elemIDs, Mesh ):
elemIDs = elemIDs.GetMesh()
+ if ( isinstance( elemIDs, list )):
+ elemIDs = self.editor.MakeIDSource(elemIDs, SMESH.VOLUME)
self.editor.SplitVolumesIntoTetra(elemIDs, method)
## Splits quadrangle faces near triangular facets of volumes
## Converts the mesh to quadratic, deletes old elements, replacing
# them with quadratic with the same id.
+ # @param theForce3d new node creation method:
+ # 0 - the medium node lies at the geometrical edge from which the mesh element is built
+ # 1 - the medium node lies at the middle of the line segments connecting start and end node of a mesh element
# @ingroup l2_modif_tofromqu
def ConvertToQuadratic(self, theForce3d):
self.editor.ConvertToQuadratic(theForce3d)
# @ingroup l2_modif_edit
def Make2DMeshFrom3D(self):
return self.editor. Make2DMeshFrom3D()
-
+
+ ## Creates missing boundary elements
+ # @param elements - elements whose boundary is to be checked:
+ # mesh, group, sub-mesh or list of elements
+ # @param dimension - defines type of boundary elements to create:
+ # SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D
+ # @param groupName - a name of group to store created boundary elements in,
+ # "" means not to create the group
+ # @param meshName - a name of new mesh to store created boundary elements in,
+ # "" means not to create the new mesh
+ # @param toCopyElements - if true, the checked elements will be copied into the new mesh
+ # @param toCopyExistingBondary - if true, not only new but also pre-existing
+ # boundary elements will be copied into the new mesh
+ # @return tuple (mesh, group) where bondary elements were added to
+ # @ingroup l2_modif_edit
+ def MakeBoundaryMesh(self, elements, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
+ toCopyElements=False, toCopyExistingBondary=False):
+ if isinstance( elements, Mesh ):
+ elements = elements.GetMesh()
+ if ( isinstance( elements, list )):
+ elemType = SMESH.ALL
+ if elements: elemType = self.GetElementType( elements[0], iselem=True)
+ elements = self.editor.MakeIDSource(elements, elemType)
+ mesh, group = self.editor.MakeBoundaryMesh(elements,dimension,groupName,meshName,
+ toCopyElements,toCopyExistingBondary)
+ if mesh: mesh = self.smeshpyD.Mesh(mesh)
+ return mesh, group
+
## Renumber mesh nodes
# @ingroup l2_modif_renumber
def RenumberNodes(self):
## Scales the object
# @param theObject - the object to translate (mesh, submesh, or group)
# @param thePoint - base point for scale
- # @param theScaleFact - scale factors for axises
+ # @param theScaleFact - list of 1-3 scale factors for axises
# @param Copy - allows copying the translated elements
# @param MakeGroups - forces the generation of new groups from existing
# ones (if Copy)
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if ( isinstance( theObject, list )):
- theObject = self.editor.MakeIDSource(theObject)
+ theObject = self.editor.MakeIDSource(theObject, SMESH.ALL)
thePoint, Parameters = ParsePointStruct(thePoint)
self.mesh.SetParameters(Parameters)
## Creates a new mesh from the translated object
# @param theObject - the object to translate (mesh, submesh, or group)
# @param thePoint - base point for scale
- # @param theScaleFact - scale factors for axises
+ # @param theScaleFact - list of 1-3 scale factors for axises
# @param MakeGroups - forces the generation of new groups from existing ones
# @param NewMeshName - the name of the newly created mesh
# @return instance of Mesh class
if (isinstance(theObject, Mesh)):
theObject = theObject.GetMesh()
if ( isinstance( theObject, list )):
- theObject = self.editor.MakeIDSource(theObject)
+ theObject = self.editor.MakeIDSource(theObject,SMESH.ALL)
mesh = self.editor.ScaleMakeMesh(theObject, thePoint, theScaleFact,
MakeGroups, NewMeshName)
def FindCoincidentNodesOnPart (self, SubMeshOrGroup, Tolerance, exceptNodes=[]):
if (isinstance( SubMeshOrGroup, Mesh )):
SubMeshOrGroup = SubMeshOrGroup.GetMesh()
- if not isinstance( ExceptSubMeshOrGroups, list):
- ExceptSubMeshOrGroups = [ ExceptSubMeshOrGroups ]
- if ExceptSubMeshOrGroups and isinstance( ExceptSubMeshOrGroups[0], int):
- ExceptSubMeshOrGroups = [ self.editor.MakeIDSource( ExceptSubMeshOrGroups, SMESH.NODE)]
- return self.editor.FindCoincidentNodesOnPartBut(SubMeshOrGroup, Tolerance,ExceptSubMeshOrGroups)
+ if not isinstance( exceptNodes, list):
+ exceptNodes = [ exceptNodes ]
+ if exceptNodes and isinstance( exceptNodes[0], int):
+ exceptNodes = [ self.editor.MakeIDSource( exceptNodes, SMESH.NODE)]
+ return self.editor.FindCoincidentNodesOnPartBut(SubMeshOrGroup, Tolerance,exceptNodes)
## Merges nodes
# @param GroupsOfNodes the list of groups of nodes
self.Parameters().SetPhyMax(theVal)
## Sets a way to define maximum angular deflection of mesh from CAD model.
- # @param theGeometricMesh is: DefaultGeom or Custom
+ # @param theGeometricMesh is: 0 (None) or 1 (Custom)
# @ingroup l3_hypos_blsurf
def SetGeometricMesh(self, theGeometricMesh=0):
# Parameter of BLSURF algo
# @ingroup l3_algos_basic
class Mesh_Quadrangle(Mesh_Algorithm):
+ params=0
+
## Private constructor.
def __init__(self, mesh, geom=0):
Mesh_Algorithm.__init__(self)
self.Create(mesh, geom, "Quadrangle_2D")
+ return
- ## Defines "QuadranglePreference" hypothesis, forcing construction
- # of quadrangles if the number of nodes on the opposite edges is not the same
- # while the total number of nodes on edges is even
- #
- # @ingroup l3_hypos_additi
- def QuadranglePreference(self):
- hyp = self.Hypothesis("QuadranglePreference", UseExisting=1,
- CompareMethod=self.CompareEqualHyp)
- return hyp
+ ## Defines "QuadrangleParameters" hypothesis
+ # @param quadType defines the algorithm of transition between differently descretized
+ # sides of a geometrical face:
+ # - QUAD_STANDARD - both triangles and quadrangles are possible in the transition
+ # area along the finer meshed sides.
+ # - QUAD_TRIANGLE_PREF - only triangles are built in the transition area along the
+ # finer meshed sides.
+ # - QUAD_QUADRANGLE_PREF - only quadrangles are built in the transition area along
+ # the finer meshed sides, iff the total quantity of segments on
+ # all four sides of the face is even (divisible by 2).
+ # - QUAD_QUADRANGLE_PREF_REVERSED - same as QUAD_QUADRANGLE_PREF but the transition
+ # area is located along the coarser meshed sides.
+ # - QUAD_REDUCED - only quadrangles are built and the transition between the sides
+ # is made gradually, layer by layer. This type has a limitation on
+ # the number of segments: one pair of opposite sides must have the
+ # same number of segments, the other pair must have an even difference
+ # between the numbers of segments on the sides.
+ # @param triangleVertex: vertex of a trilateral geometrical face, around which triangles
+ # will be created while other elements will be quadrangles.
+ # Vertex can be either a GEOM_Object or a vertex ID within the
+ # shape to mesh
+ # @param UseExisting: if ==true - searches for the existing hypothesis created with
+ # the same parameters, else (default) - creates a new one
+ # @ingroup l3_hypos_quad
+ def QuadrangleParameters(self, quadType=StdMeshers.QUAD_STANDARD, triangleVertex=0, UseExisting=0):
+ vertexID = triangleVertex
+ if isinstance( triangleVertex, geompyDC.GEOM._objref_GEOM_Object ):
+ vertexID = self.mesh.geompyD.GetSubShapeID( self.mesh.geom, triangleVertex )
+ if not self.params:
+ compFun = lambda hyp,args: \
+ hyp.GetQuadType() == args[0] and \
+ ( hyp.GetTriaVertex()==args[1] or ( hyp.GetTriaVertex()<1 and args[1]<1))
+ self.params = self.Hypothesis("QuadrangleParams", [quadType,vertexID],
+ UseExisting = UseExisting, CompareMethod=compFun)
+ pass
+ if self.params.GetQuadType() != quadType:
+ self.params.SetQuadType(quadType)
+ if vertexID > 0:
+ self.params.SetTriaVertex( vertexID )
+ return self.params
- ## Defines "TrianglePreference" hypothesis, forcing construction
- # of triangles in the refinement area if the number of nodes
- # on the opposite edges is not the same
- #
- # @ingroup l3_hypos_additi
- def TrianglePreference(self):
- hyp = self.Hypothesis("TrianglePreference", UseExisting=1,
- CompareMethod=self.CompareEqualHyp)
- return hyp
+ ## Defines "QuadrangleParams" hypothesis with a type of quadrangulation that only
+ # quadrangles are built in the transition area along the finer meshed sides,
+ # iff the total quantity of segments on all four sides of the face is even.
+ # @param reversed if True, transition area is located along the coarser meshed sides.
+ # @param UseExisting: if ==true - searches for the existing hypothesis created with
+ # the same parameters, else (default) - creates a new one
+ # @ingroup l3_hypos_quad
+ def QuadranglePreference(self, reversed=False, UseExisting=0):
+ if reversed:
+ return self.QuadrangleParameters(QUAD_QUADRANGLE_PREF_REVERSED,UseExisting=UseExisting)
+ return self.QuadrangleParameters(QUAD_QUADRANGLE_PREF,UseExisting=UseExisting)
+
+ ## Defines "QuadrangleParams" hypothesis with a type of quadrangulation that only
+ # triangles are built in the transition area along the finer meshed sides.
+ # @param UseExisting: if ==true - searches for the existing hypothesis created with
+ # the same parameters, else (default) - creates a new one
+ # @ingroup l3_hypos_quad
+ def TrianglePreference(self, UseExisting=0):
+ return self.QuadrangleParameters(QUAD_TRIANGLE_PREF,UseExisting=UseExisting)
+
+ ## Defines "QuadrangleParams" hypothesis with a type of quadrangulation that only
+ # quadrangles are built and the transition between the sides is made gradually,
+ # layer by layer. This type has a limitation on the number of segments: one pair
+ # of opposite sides must have the same number of segments, the other pair must
+ # have an even difference between the numbers of segments on the sides.
+ # @param UseExisting: if ==true - searches for the existing hypothesis created with
+ # the same parameters, else (default) - creates a new one
+ # @ingroup l3_hypos_quad
+ def Reduced(self, UseExisting=0):
+ return self.QuadrangleParameters(QUAD_REDUCED,UseExisting=UseExisting)
- ## Defines "QuadrangleParams" hypothesis
+ ## Defines "QuadrangleParams" hypothesis with QUAD_STANDARD type of quadrangulation
# @param vertex: vertex of a trilateral geometrical face, around which triangles
# will be created while other elements will be quadrangles.
# Vertex can be either a GEOM_Object or a vertex ID within the
# shape to mesh
# @param UseExisting: if ==true - searches for the existing hypothesis created with
# the same parameters, else (default) - creates a new one
- #
- # @ingroup l3_hypos_additi
+ # @ingroup l3_hypos_quad
def TriangleVertex(self, vertex, UseExisting=0):
- vertexID = vertex
- if isinstance( vertexID, geompyDC.GEOM._objref_GEOM_Object ):
- vertexID = self.mesh.geompyD.GetSubShapeID( self.mesh.geom, vertex )
- hyp = self.Hypothesis("QuadrangleParams", [vertexID], UseExisting = UseExisting,
- CompareMethod=lambda hyp,args: hyp.GetTriaVertex()==args[0])
- hyp.SetTriaVertex( vertexID )
- return hyp
+ return self.QuadrangleParameters(QUAD_STANDARD,vertex,UseExisting)
# Public class: Mesh_Tetrahedron
