mesh.geompyD.addToStudyInFather( mesh.geom, geom, name )
return
+## Return the first vertex of a geomertical edge by ignoring orienation
+def FirstVertexOnCurve(edge):
+ from geompy import SubShapeAll, ShapeType, KindOfShape, PointCoordinates
+ vv = SubShapeAll( edge, ShapeType["VERTEX"])
+ if not vv:
+ raise TypeError, "Given object has no vertices"
+ if len( vv ) == 1: return vv[0]
+ info = KindOfShape(edge)
+ xyz = info[1:4] # coords of the first vertex
+ xyz1 = PointCoordinates( vv[0] )
+ xyz2 = PointCoordinates( vv[1] )
+ dist1, dist2 = 0,0
+ for i in range(3):
+ dist1 += abs( xyz[i] - xyz1[i] )
+ dist2 += abs( xyz[i] - xyz2[i] )
+ if dist1 < dist2:
+ return vv[0]
+ else:
+ return vv[1]
+
# end of l1_auxiliary
## @}
aMeshes.append(aMesh)
return aMeshes, aStatus
+ ## Creates a Mesh object(s) importing data from the given SAUV file
+ # @return a list of Mesh class instances
+ # @ingroup l2_impexp
+ def CreateMeshesFromSAUV( self,theFileName ):
+ aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromSAUV(self,theFileName)
+ aMeshes = []
+ for iMesh in range(len(aSmeshMeshes)) :
+ aMesh = Mesh(self, self.geompyD, aSmeshMeshes[iMesh])
+ aMeshes.append(aMesh)
+ return aMeshes, aStatus
+
## Creates a Mesh object importing data from the given STL file
# @return an instance of Mesh class
# @ingroup l2_impexp
UnaryOp=FT_Undefined,
BinaryOp=FT_Undefined,
Tolerance=1e-07):
+ if not CritType in SMESH.FunctorType._items:
+ raise TypeError, "CritType should be of SMESH.FunctorType"
aCriterion = self.GetEmptyCriterion()
aCriterion.TypeOfElement = elementType
aCriterion.Type = self.EnumToLong(CritType)
# Checks the treshold
try:
aCriterion.Threshold = self.EnumToLong(aTreshold)
+ assert( aTreshold in SMESH.GeometryType._items )
except:
if isinstance(aTreshold, int):
aCriterion.Threshold = aTreshold
def Projection1D(self, geom=0):
return Mesh_Projection1D(self, geom)
+ ## Creates a projection 1D-2D algorithm for faces.
+ # If the optional \a geom parameter is not set, this algorithm is global.
+ # Otherwise, this algorithm defines a submesh based on \a geom subshape.
+ # @param geom If defined, the subshape to be meshed
+ # @return an instance of Mesh_Projection2D algorithm
+ # @ingroup l3_algos_proj
+ def Projection1D2D(self, geom=0):
+ return Mesh_Projection2D(self, geom, "Projection_1D2D")
+
## Creates a projection 2D algorithm for faces.
# If the optional \a geom parameter is not set, this algorithm is global.
# Otherwise, this algorithm defines a submesh based on \a geom subshape.
# @return an instance of Mesh_Projection2D algorithm
# @ingroup l3_algos_proj
def Projection2D(self, geom=0):
- return Mesh_Projection2D(self, geom)
+ return Mesh_Projection2D(self, geom, "Projection_2D")
## Creates a projection 3D algorithm for solids.
# If the optional \a geom parameter is not set, this algorithm is global.
else:
self.mesh.ExportToMEDX(f, auto_groups, version, overwrite)
+ ## Exports the mesh in a file in SAUV format
+ # @param f is the file name
+ # @param auto_groups boolean parameter for creating/not creating
+ # the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
+ # the typical use is auto_groups=false.
+ # @ingroup l2_impexp
+ def ExportSAUV(self, f, auto_groups=0):
+ self.mesh.ExportSAUV(f, auto_groups)
+
## Exports the mesh in a file in DAT format
# @param f the file name
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
hyp.SetIgnoreFaces(ignoreFaces)
return hyp
+ ## Transform a list of ether edges or tuples (edge 1st_vertex_of_edge)
+ # into a list acceptable to SetReversedEdges() of some 1D hypotheses
+ # @ingroupl3_hypos_1dhyps
+ def ReversedEdgeIndices(self, reverseList):
+ resList = []
+ geompy = self.mesh.geompyD
+ for i in reverseList:
+ if isinstance( i, int ):
+ s = geompy.SubShapes(self.mesh.geom, [i])[0]
+ if s.GetShapeType() != geompyDC.GEOM.EDGE:
+ raise TypeError, "Not EDGE index given"
+ resList.append( i )
+ elif isinstance( i, geompyDC.GEOM._objref_GEOM_Object ):
+ if i.GetShapeType() != geompyDC.GEOM.EDGE:
+ raise TypeError, "Not an EDGE given"
+ resList.append( geompy.GetSubShapeID(self.mesh.geom, i ))
+ elif len( i ) > 1:
+ e = i[0]
+ v = i[1]
+ if not isinstance( e, geompyDC.GEOM._objref_GEOM_Object ) or \
+ not isinstance( v, geompyDC.GEOM._objref_GEOM_Object ):
+ raise TypeError, "A list item must be a tuple (edge 1st_vertex_of_edge)"
+ if v.GetShapeType() == geompyDC.GEOM.EDGE and \
+ e.GetShapeType() == geompyDC.GEOM.VERTEX:
+ v,e = e,v
+ if e.GetShapeType() != geompyDC.GEOM.EDGE or \
+ v.GetShapeType() != geompyDC.GEOM.VERTEX:
+ raise TypeError, "A list item must be a tuple (edge 1st_vertex_of_edge)"
+ vFirst = FirstVertexOnCurve( e )
+ tol = geompy.Tolerance( vFirst )[-1]
+ if geompy.MinDistance( v, vFirst ) > 1.5*tol:
+ resList.append( geompy.GetSubShapeID(self.mesh.geom, e ))
+ else:
+ raise TypeError, "Item must be either an edge or tuple (edge 1st_vertex_of_edge)"
+ return resList
+
# Public class: Mesh_Segment
# --------------------------
## Defines "NumberOfSegments" hypothesis to cut an edge in a fixed number of segments
# @param n for the number of segments that cut an edge
# @param s for the scale factor (optional)
- # @param reversedEdges is a list of edges to mesh using reversed orientation
+ # @param reversedEdges is a list of edges to mesh using reversed orientation.
+ # A list item can also be a tuple (edge 1st_vertex_of_edge)
# @param UseExisting if ==true - searches for an existing hypothesis created with
# the same parameters, else (default) - create a new one
# @return an instance of StdMeshers_NumberOfSegments hypothesis
if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
reversedEdges, UseExisting = [], reversedEdges
entry = self.MainShapeEntry()
- if reversedEdges and isinstance(reversedEdges[0],geompyDC.GEOM._objref_GEOM_Object):
- reversedEdges = [ self.mesh.geompyD.GetSubShapeID(self.mesh.geom, e) for e in reversedEdges ]
+ reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
if s == []:
- hyp = self.Hypothesis("NumberOfSegments", [n, reversedEdges, entry],
+ hyp = self.Hypothesis("NumberOfSegments", [n, reversedEdgeInd, entry],
UseExisting=UseExisting,
CompareMethod=self.CompareNumberOfSegments)
else:
- hyp = self.Hypothesis("NumberOfSegments", [n,s, reversedEdges, entry],
+ hyp = self.Hypothesis("NumberOfSegments", [n,s, reversedEdgeInd, entry],
UseExisting=UseExisting,
CompareMethod=self.CompareNumberOfSegments)
hyp.SetDistrType( 1 )
hyp.SetScaleFactor(s)
hyp.SetNumberOfSegments(n)
- hyp.SetReversedEdges( reversedEdges )
+ hyp.SetReversedEdges( reversedEdgeInd )
hyp.SetObjectEntry( entry )
return hyp
## Defines "Arithmetic1D" hypothesis to cut an edge in several segments with increasing arithmetic length
# @param start defines the length of the first segment
# @param end defines the length of the last segment
- # @param reversedEdges is a list of edges to mesh using reversed orientation
+ # @param reversedEdges is a list of edges to mesh using reversed orientation.
+ # A list item can also be a tuple (edge 1st_vertex_of_edge)
# @param UseExisting if ==true - searches for an existing hypothesis created with
# the same parameters, else (default) - creates a new one
# @return an instance of StdMeshers_Arithmetic1D hypothesis
def Arithmetic1D(self, start, end, reversedEdges=[], UseExisting=0):
if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
reversedEdges, UseExisting = [], reversedEdges
- if reversedEdges and isinstance(reversedEdges[0],geompyDC.GEOM._objref_GEOM_Object):
- reversedEdges = [ self.mesh.geompyD.GetSubShapeID(self.mesh.geom, e) for e in reversedEdges ]
+ reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
entry = self.MainShapeEntry()
- hyp = self.Hypothesis("Arithmetic1D", [start, end, reversedEdges, entry],
+ hyp = self.Hypothesis("Arithmetic1D", [start, end, reversedEdgeInd, entry],
UseExisting=UseExisting,
CompareMethod=self.CompareArithmetic1D)
hyp.SetStartLength(start)
hyp.SetEndLength(end)
- hyp.SetReversedEdges( reversedEdges )
+ hyp.SetReversedEdges( reversedEdgeInd )
hyp.SetObjectEntry( entry )
return hyp
# values are equals 1
# @param points defines the list of parameters on curve
# @param nbSegs defines the list of numbers of segments
- # @param reversedEdges is a list of edges to mesh using reversed orientation
+ # @param reversedEdges is a list of edges to mesh using reversed orientation.
+ # A list item can also be a tuple (edge 1st_vertex_of_edge)
# @param UseExisting if ==true - searches for an existing hypothesis created with
# the same parameters, else (default) - creates a new one
# @return an instance of StdMeshers_Arithmetic1D hypothesis
def FixedPoints1D(self, points, nbSegs=[1], reversedEdges=[], UseExisting=0):
if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
reversedEdges, UseExisting = [], reversedEdges
- if reversedEdges and isinstance(reversedEdges[0],geompyDC.GEOM._objref_GEOM_Object):
- reversedEdges = [ self.mesh.geompyD.GetSubShapeID(self.mesh.geom, e) for e in reversedEdges ]
+ reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
entry = self.MainShapeEntry()
- hyp = self.Hypothesis("FixedPoints1D", [points, nbSegs, reversedEdges, entry],
+ hyp = self.Hypothesis("FixedPoints1D", [points, nbSegs, reversedEdgeInd, entry],
UseExisting=UseExisting,
CompareMethod=self.CompareFixedPoints1D)
hyp.SetPoints(points)
hyp.SetNbSegments(nbSegs)
- hyp.SetReversedEdges(reversedEdges)
+ hyp.SetReversedEdges(reversedEdgeInd)
hyp.SetObjectEntry(entry)
return hyp
## Defines "StartEndLength" hypothesis to cut an edge in several segments with increasing geometric length
# @param start defines the length of the first segment
# @param end defines the length of the last segment
- # @param reversedEdges is a list of edges to mesh using reversed orientation
+ # @param reversedEdges is a list of edges to mesh using reversed orientation.
+ # A list item can also be a tuple (edge 1st_vertex_of_edge)
# @param UseExisting if ==true - searches for an existing hypothesis created with
# the same parameters, else (default) - creates a new one
# @return an instance of StdMeshers_StartEndLength hypothesis
def StartEndLength(self, start, end, reversedEdges=[], UseExisting=0):
if not isinstance(reversedEdges,list): #old version script, before adding reversedEdges
reversedEdges, UseExisting = [], reversedEdges
- if reversedEdges and isinstance(reversedEdges[0],geompyDC.GEOM._objref_GEOM_Object):
- reversedEdges = [ self.mesh.geompyD.GetSubShapeID(self.mesh.geom, e) for e in reversedEdges ]
+ reversedEdgeInd = self.ReversedEdgeIndices(reversedEdges)
entry = self.MainShapeEntry()
- hyp = self.Hypothesis("StartEndLength", [start, end, reversedEdges, entry],
+ hyp = self.Hypothesis("StartEndLength", [start, end, reversedEdgeInd, entry],
UseExisting=UseExisting,
CompareMethod=self.CompareStartEndLength)
hyp.SetStartLength(start)
hyp.SetEndLength(end)
- hyp.SetReversedEdges( reversedEdges )
+ hyp.SetReversedEdges( reversedEdgeInd )
hyp.SetObjectEntry( entry )
return hyp
class Mesh_Projection2D(Mesh_Algorithm):
## Private constructor.
- def __init__(self, mesh, geom=0):
+ def __init__(self, mesh, geom=0, algoName="Projection_2D"):
Mesh_Algorithm.__init__(self)
- self.Create(mesh, geom, "Projection_2D")
+ self.Create(mesh, geom, algoName)
## Defines "Source Face" hypothesis, specifying a meshed face, from where
# a mesh pattern is taken, and, optionally, the association of vertices
# @param UseExisting if ==true - searches for the existing hypothesis created with
# the same parameters, else (default) - creates a new one
def SourceEdges(self, groups, toCopyMesh=False, toCopyGroups=False, UseExisting=False):
- if self.algo.GetName() == "Import_2D":
+ if self.algo.GetName() != "Import_1D":
raise ValueError, "algoritm dimension mismatch"
for group in groups:
AssureGeomPublished( self.mesh, group )
