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https://github.com/NGSolve/netgen.git
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76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
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import os, pytest
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from netgen.meshing import meshsize
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import netgen.gui
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import netgen.csg as csg
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import netgen.stl as stl
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import netgen.csg as csg
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from results import *
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def getFiles(fileEnding):
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r, d, files = next(os.walk(os.path.join("..","..","tutorials")))
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return (f for f in files if f.endswith(fileEnding))
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def getCheckFunc(filename):
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def func(mesh,i):
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if filename in number_elements:
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# number of elements should be in 2% range of expected value
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assert mesh.ne == pytest.approx(number_elements[filename][i], rel=0.02)
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return func
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def getResultFunc(filename):
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def resultFunc(mesh):
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results = {}
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results["number_elements"] = mesh.ne
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return results
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return resultFunc
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def getMeshingparameters(filename):
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standard = (meshsize.very_coarse, meshsize.coarse, meshsize.moderate, meshsize.fine, meshsize.very_fine)
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if filename == "shell.geo":
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return [] # do not test this example cause it needs so long...
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if filename == "extrusion.geo":
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return [] # this segfaults right now
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if filename == "manyholes2.geo" or filename == "manyholes.geo":
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return standard[:2] # this gets too big for finer meshsizes
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return standard
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# don't test step files as they do not respect all meshing parameters correctly yet.
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_geofiles = [f for f in getFiles(".geo")] + [f for f in getFiles(".stl")] # + [f for f in getFiles(".step")]
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def generateMesh(filename, mp):
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if filename.endswith(".geo"):
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geo = csg.CSGeometry(os.path.join("..","..","tutorials", filename))
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elif filename.endswith(".stl"):
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geo = stl.STLGeometry(os.path.join("..","..","tutorials", filename))
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elif filename.endswith(".step"):
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geo = occ.OCCGeometry(os.path.join("..","..","tutorials", filename))
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return geo.GenerateMesh(mp)
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@pytest.mark.parametrize("filename, checkFunc", [(f, getCheckFunc(f)) for f in _geofiles])
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def test_geoFiles(filename, checkFunc):
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for i, mp in enumerate(getMeshingparameters(filename)):
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print("load geo", filename)
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mesh = generateMesh(filename, mp)
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if checkFunc is not None:
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checkFunc(mesh,i)
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import time
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def generateResultFile():
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with open("results.py", "w") as f:
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print("number_elements = {}", file=f)
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for _file, _func in ((gf, getResultFunc(gf)) for gf in _geofiles):
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start = time.time()
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print("write", _file)
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mps = getMeshingparameters(_file)
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if not mps:
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continue
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results = [_func(generateMesh(_file, mp)) for mp in mps]
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print("number_elements['{}'] = {}".format(_file, "(" + ",".join((str(r["number_elements"]) for r in results)) + ")"), file=f)
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print("needed", time.time() - start, "seconds")
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if __name__ == "__main__":
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generateResultFile()
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