mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-27 09:50:34 +05:00
133 lines
3.3 KiB
Python
133 lines
3.3 KiB
Python
#!/usr/bin/env python
|
|
import sys
|
|
import salome
|
|
|
|
salome.salome_init()
|
|
|
|
from os import path
|
|
import tempfile
|
|
import subprocess
|
|
|
|
import GEOM, SMESH, SALOMEDS
|
|
|
|
from salome.geom import geomBuilder
|
|
from salome.smesh import smeshBuilder
|
|
|
|
import math
|
|
|
|
smesh = smeshBuilder.New()
|
|
geompy = geomBuilder.New()
|
|
|
|
import medcoupling as mc
|
|
|
|
def create_param_file(param_file):
|
|
""" Create a parameter file for runner """
|
|
param = """1
|
|
34.64
|
|
0.14
|
|
16
|
|
0.15
|
|
1.5
|
|
0
|
|
0
|
|
1
|
|
5
|
|
1
|
|
1
|
|
-1
|
|
3
|
|
3
|
|
0.2
|
|
2
|
|
1
|
|
0
|
|
0
|
|
2
|
|
2
|
|
0
|
|
|
|
0
|
|
0
|
|
0"""
|
|
with open(param_file, "w") as ffile:
|
|
ffile.write(param)
|
|
|
|
|
|
def test_netgen3d():
|
|
""" Test netgen3d mesher """
|
|
# Building geometry
|
|
box = geompy.MakeBoxDXDYDZ(200, 200, 200)
|
|
|
|
geompy.ExtractShapes(box, geompy.ShapeType["FACE"], True)
|
|
groupe_1 = geompy.CreateGroup(box, geompy.ShapeType["FACE"])
|
|
geompy.UnionIDs(groupe_1, [3, 13, 23, 27, 31, 33])
|
|
|
|
[_, _, _, _, _, _, groupe_1] = geompy.GetExistingSubObjects(box, False)
|
|
|
|
# Creating 2D mesh
|
|
netgen_2d_parameters_1 = smesh.CreateHypothesisByAverageLength(
|
|
'NETGEN_Parameters_2D', 'NETGENEngine', 34.641, 0)
|
|
mesh_2d = smesh.Mesh(groupe_1, 'Maillage_1')
|
|
mesh_2d.AddHypothesis(groupe_1, netgen_2d_parameters_1)
|
|
mesh_2d.Triangle(algo=smeshBuilder.NETGEN_1D2D)
|
|
is_done = mesh_2d.Compute()
|
|
assert is_done
|
|
smesh.SetName(mesh_2d, 'Maillage_1')
|
|
|
|
with tempfile.TemporaryDirectory() as tmp_dir:
|
|
mesh_file = path.join(tmp_dir, "mesh.med")
|
|
shape_file = path.join(tmp_dir, "shape.step")
|
|
param_file = path.join(tmp_dir, "param.txt")
|
|
output_mesh = path.join(tmp_dir, "mesh3D.med")
|
|
|
|
print("Running in folder: ", tmp_dir)
|
|
create_param_file(param_file)
|
|
|
|
mesh_2d.ExportMED(mesh_file, 0, 41, 1, mesh_2d, 1, [], '', -1, 1)
|
|
geompy.ExportSTEP(box, shape_file, GEOM.LU_METER)
|
|
|
|
runner = path.join("${NETGENPLUGIN_ROOT_DIR}",
|
|
"bin",
|
|
"salome",
|
|
"NETGENPlugin_Runner")
|
|
|
|
if sys.platform == 'win32':
|
|
runner += ".exe"
|
|
|
|
cmd = "{runner} NETGEN3D {mesh_file} {shape_file} "\
|
|
"{param_file} NONE NONE {output_mesh}"\
|
|
.format(runner=runner,
|
|
mesh_file=mesh_file,
|
|
shape_file=shape_file,
|
|
param_file=param_file,
|
|
output_mesh=output_mesh)
|
|
print(cmd)
|
|
subprocess.check_call(cmd, shell=True)
|
|
|
|
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", 0)
|
|
|
|
nb_tetras = mesh_read.getNumberOfCellsWithType(mc.NORM_TETRA4)
|
|
nb_points = mesh_read.getNumberOfNodes()
|
|
|
|
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", -1)
|
|
nb_triangles = mesh_read.getNumberOfCellsWithType(mc.NORM_TRI3)
|
|
|
|
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", -2)
|
|
nb_segments = mesh_read.getNumberOfCellsWithType(mc.NORM_SEG2)
|
|
|
|
print("Nb Tetras:", nb_tetras)
|
|
print("Nb Triangles:", nb_triangles)
|
|
print("Nb Segments:", nb_segments)
|
|
print("Nb Points:", nb_points)
|
|
|
|
assert nb_points > 0
|
|
assert nb_segments > 0
|
|
assert nb_triangles > 0
|
|
assert nb_tetras > 0
|
|
|
|
if __name__ == "__main__":
|
|
if sys.platform == "win32":
|
|
print("Disabled on windows")
|
|
sys.exit(0)
|
|
test_netgen3d()
|