smesh/doc/examples/measurements_ex03.py

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# Basic Properties
import salome
salome.salome_init_without_session()
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from salome.geom import geomBuilder
from salome.smesh import smeshBuilder
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geom_builder = geomBuilder.New()
smesh_builder = smeshBuilder.New()
# create a box
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box = geom_builder.MakeBoxDXDYDZ(100,100,100)
face = geom_builder.SubShapeAllSorted(box, geom_builder.ShapeType['FACE'])[0]
# mesh a box
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mesh = smesh_builder.Mesh(box)
submesh_1d = mesh.Segment().NumberOfSegments(5)
submesh_2d = mesh.Quadrangle()
submesh_3d = mesh.Hexahedron()
submesh_2d_face = mesh.Triangle(face)
if not mesh.Compute(): raise Exception("Error when computing Mesh")
# create a group
group_2d = mesh.Group(face)
# compute basic properties
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print("Get basic properties: approach 1 (via measurements tool) ----")
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measure = smesh_builder.CreateMeasurements()
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print("* for mesh:")
print(" length:", measure.Length(mesh.mesh))
print(" area:", measure.Area(mesh.mesh))
print(" volume:", measure.Volume(mesh.mesh))
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print("* for group (2d):")
print(" length:", measure.Length(group_2d))
print(" area:", measure.Area(group_2d))
print(" volume:", measure.Volume(group_2d))
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print("* for submesh (2d):")
print(" length:", measure.Length(submesh_2d_face.GetSubMesh()))
print(" area:", measure.Area(submesh_2d_face.GetSubMesh()))
print(" volume:", measure.Volume(submesh_2d_face.GetSubMesh()))
measure.UnRegister()
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print("Get basic properties: approach 2 (via smeshBuilder) ----")
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print("* for mesh:")
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print(" length:", smesh_builder.GetLength(mesh))
print(" area:", smesh_builder.GetArea(mesh))
print(" volume:", smesh_builder.GetVolume(mesh))
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print("* for group (2d):")
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print(" length:", smesh_builder.GetLength(group_2d))
print(" area:", smesh_builder.GetArea(group_2d))
print(" volume:", smesh_builder.GetVolume(group_2d))
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print("* for submesh (2d):")
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print(" length:", smesh_builder.GetLength(submesh_2d_face))
print(" area:", smesh_builder.GetArea(submesh_2d_face))
print(" volume:", smesh_builder.GetVolume(submesh_2d_face))
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print("Get basic properties: approach 3 (via smeshBuilder.Mesh) ----")
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print("* for mesh:")
print(" length:", mesh.GetLength())
print(" area:", mesh.GetArea())
print(" volume:", mesh.GetVolume())
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print("* for group (2d): unsupported")
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print("* for submesh (2d): unsupported")