smesh/doc/salome/examples/quality_controls_ex12.py

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# Borders at Multiconnection 2D
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import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New()
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# create a compound of two glued boxes
box1 = geompy.MakeBox(0., 0., 0., 20., 20., 15.)
box2 = geompy.MakeTranslation(box1, 0., 20., 0)
comp = geompy.MakeCompound([box1, box2])
box = geompy.MakeGlueFaces(comp, 0.000001)
idbox = geompy.addToStudy(box, "box")
# create a mesh
mesh = smesh.Mesh(box, "Box compound : 2D triangle mesh")
algo = mesh.Segment()
algo.NumberOfSegments(5)
algo = mesh.Triangle()
algo.MaxElementArea(20.)
mesh.Compute()
# Criterion : MULTI-CONNECTION 2D = 3
nb_conn = 3
aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_MultiConnection2D, SMESH.FT_EqualTo, nb_conn)
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anIds = mesh.GetIdsFromFilter(aFilter)
# print the result
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print("Criterion: Borders at multi-connection 2D = ", nb_conn, " Nb = ", len(anIds))
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j = 1
for i in range(len(anIds)):
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if j > 20: j = 1; print("")
print(anIds[i], end=' ')
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j = j + 1
pass
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print("")
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# create a group
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aGroup = mesh.CreateEmptyGroup(SMESH.FACE, "Borders at multi-connection 2D = " + repr(nb_conn))
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aGroup.Add(anIds)
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salome.sg.updateObjBrowser()