smesh/doc/salome/examples/grouping_elements_ex03.py
2017-11-28 14:15:48 +03:00

50 lines
1.6 KiB
Python

# Create a Group on Filter
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New(salome.myStudy)
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New(salome.myStudy)
import salome_notebook
box = geompy.MakeBoxDXDYDZ(10,10,10)
# make a mesh with quadrangles of different area in range [1,16]
mesh = smesh.Mesh(box,"Quad mesh")
hyp1D = mesh.Segment().StartEndLength( 1, 4 )
mesh.Quadrangle()
mesh.Compute()
# create a group on filter selecting faces of medium size
critaria = [ \
smesh.GetCriterion(SMESH.FACE, SMESH.FT_Area, ">", 1.1, BinaryOp=SMESH.FT_LogicalAND ),
smesh.GetCriterion(SMESH.FACE, SMESH.FT_Area, "<", 15.0 )
]
filt = smesh.GetFilterFromCriteria( critaria )
filtGroup = mesh.GroupOnFilter( SMESH.FACE, "group on filter", filt )
print "Group on filter contains %s elements" % filtGroup.Size()
# group on filter is updated if the mesh is modified
hyp1D.SetStartLength( 2.5 )
hyp1D.SetEndLength( 2.5 )
mesh.Compute()
print "After mesh change, group on filter contains %s elements" % filtGroup.Size()
# set a new filter defining the group
filt2 = smesh.GetFilter( SMESH.FACE, SMESH.FT_RangeOfIds, "1-50" )
filtGroup.SetFilter( filt2 )
print "With a new filter, group on filter contains %s elements" % filtGroup.Size()
# group is updated at modification of the filter
filt2.SetCriteria( [ smesh.GetCriterion( SMESH.FACE, SMESH.FT_RangeOfIds, "1-70" )])
filtIDs3 = filtGroup.GetIDs()
print "After filter modification, group on filter contains %s elements" % filtGroup.Size()
salome.sg.updateObjBrowser(True)