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d8beec758e
- assign pointelements - sometimes region names were not copied correctly - add some basic pytests for Mesh.Copy()
66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
import pyngcore
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import netgen
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import pytest
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import tempfile
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from meshes import unit_mesh_3d
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def test_element_arrays(unit_mesh_3d):
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mesh = unit_mesh_3d
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el1 = mesh.Elements1D()
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el2 = mesh.Elements2D()
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el3 = mesh.Elements3D()
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p = mesh.Points()
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assert len(el1) > 0
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assert len(el2) > 0
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assert len(el3) > 0
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assert len(p) > 0
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for el in el2:
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assert len(el.vertices) == 3
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for el in el3:
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assert len(el.vertices) == 4
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def test_copy_mesh():
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pytest.importorskip("netgen.occ")
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import netgen.occ as occ
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box1 = occ.Box((0, 0, 0), (1, 1, 1))
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box2 = occ.Box((1, 0, 0), (2, 1, 1))
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box1.faces.name = "bnd1"
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box1.name = "mat1"
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box2.faces.name = "bnd2"
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box2.name = "mat1"
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geo = occ.OCCGeometry(occ.Glue([box1, box2]))
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m3d = geo.GenerateMesh(maxh=99)
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plane1 = occ.WorkPlane(occ.Axes((0, 0, 0), occ.X, occ.Y)).Rectangle(1, 1).Face()
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plane1.name = "mat1"
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plane1.edges.name = "bnd1"
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plane2 = occ.WorkPlane(occ.Axes((0, 0, 0), occ.X, occ.Y)).Rectangle(2, 2).Face()
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plane2.name = "mat2"
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plane2.edges.name = "bnd2"
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geo2 = occ.OCCGeometry(occ.Glue([plane1, plane2]), dim=2)
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m2d = geo2.GenerateMesh(maxh=99)
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for mesh in [m2d, m3d]:
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copy = mesh.Copy()
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assert copy.dim == mesh.dim
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assert len(copy.Elements0D()) == len(mesh.Elements0D())
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assert len(copy.Elements1D()) == len(mesh.Elements1D())
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assert len(copy.Elements2D()) == len(mesh.Elements2D())
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assert len(copy.Elements3D()) == len(mesh.Elements3D())
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assert copy.GetNDomains() == mesh.GetNDomains()
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assert copy.GetNFaceDescriptors() == mesh.GetNFaceDescriptors()
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for dim in range(1, mesh.dim + 1):
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assert copy.GetRegionNames(dim) == mesh.GetRegionNames(dim)
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assert copy.GetIdentifications() == mesh.GetIdentifications()
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