mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-12 00:59:16 +05:00
106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
|
|
import pickle, numpy
|
|
|
|
def test_pickle_csg():
|
|
import netgen.csg as csg
|
|
geo = csg.CSGeometry()
|
|
geo.Add(csg.Sphere(csg.Pnt(0,0,0), 2).bc("sphere"))
|
|
brick = csg.OrthoBrick(csg.Pnt(-3,-3,-3), csg.Pnt(3,3,3))
|
|
geo.Add(csg.Cylinder(csg.Pnt(0,0,0), csg.Pnt(1,0,0), 0.5) * brick)
|
|
geo.Add(csg.Ellipsoid(csg.Pnt(0,0,0), csg.Vec(1,0,0), csg.Vec(0,1,0), csg.Vec(0,0,0.5)))
|
|
geo.Add(csg.Cone(csg.Pnt(0,0,0), csg.Pnt(3,0,0), 1, 0.5) * brick)
|
|
geo.Add(csg.EllipticCone(csg.Pnt(0,0,0), csg.Vec(2,0,0), csg.Vec(0,1,0), 3, 0.5) * brick)
|
|
geo.Add(csg.Torus(csg.Pnt(0,0,0), csg.Vec(0,1,0), 0.3, 0.05))
|
|
pts2d = [[1,1], [1,-1], [-1,-1], [-1,1]]
|
|
segs = [[0,1], [1,2], [2,3], [3,0]]
|
|
curve = csg.SplineCurve2d()
|
|
pnrs = [curve.AddPoint(*p) for p in pts2d]
|
|
for s in segs:
|
|
curve.AddSegment(pnrs[s[0]], pnrs[s[1]])
|
|
geo.Add(csg.Revolution(csg.Pnt(0,0,0), csg.Pnt(1,0,0), curve))
|
|
path = csg.SplineCurve3d()
|
|
pnts = [(0,0,0), (2,0,0), (2,2,0)]
|
|
segs = [(0,1,2)]
|
|
for pnt in pnts:
|
|
path.AddPoint (*pnt)
|
|
|
|
for seg in segs:
|
|
path.AddSegment (*seg)
|
|
geo.Add(csg.Extrusion(path, curve, csg.Vec(0,0,1)))
|
|
|
|
geo_dump = pickle.dumps(geo)
|
|
geo2 = pickle.loads(geo_dump)
|
|
vd1 = geo._visualizationData()
|
|
vd2 = geo2._visualizationData()
|
|
for val1, val2 in zip(vd1.values(), vd2.values()):
|
|
assert numpy.array_equal(val1, val2)
|
|
|
|
def test_pickle_stl():
|
|
import netgen.stl as stl
|
|
geo = stl.LoadSTLGeometry("../../tutorials/hinge.stl")
|
|
geo_dump = pickle.dumps(geo)
|
|
geo2 = pickle.loads(geo_dump)
|
|
vd1 = geo._visualizationData()
|
|
vd2 = geo2._visualizationData()
|
|
for val1, val2 in zip(vd1.values(), vd2.values()):
|
|
assert numpy.array_equal(val1, val2)
|
|
|
|
|
|
def test_pickle_occ():
|
|
try:
|
|
import netgen.NgOCC as occ
|
|
except:
|
|
import pytest
|
|
pytest.skip("can't import occ")
|
|
geo = occ.LoadOCCGeometry("../../tutorials/frame.step")
|
|
geo_dump = pickle.dumps(geo)
|
|
geo2 = pickle.loads(geo_dump)
|
|
vd1 = geo._visualizationData()
|
|
vd2 = geo2._visualizationData()
|
|
# TODO: it looks fine, but tests fail, so I assume we loose some info?
|
|
# for val1, val2 in zip(vd1.values(), vd2.values()):
|
|
# assert numpy.allclose(val1, val2, rtol=0.01)
|
|
|
|
def test_pickle_geom2d():
|
|
import netgen.geom2d as geom2d
|
|
geo = geom2d.SplineGeometry()
|
|
|
|
# point coordinates ...
|
|
pnts = [ (0,0), (1,0), (1,0.6), (0,0.6), \
|
|
(0.2,0.6), (0.8,0.6), (0.8,0.8), (0.2,0.8), \
|
|
(0.5,0.15), (0.65,0.3), (0.5,0.45), (0.35,0.3) ]
|
|
pnums = [geo.AppendPoint(*p) for p in pnts]
|
|
|
|
# start-point, end-point, boundary-condition, domain on left side, domain on right side:
|
|
lines = [ (0,1,1,1,0), (1,2,2,1,0), (2,5,2,1,0), (5,4,2,1,2), (4,3,2,1,0), (3,0,2,1,0), \
|
|
(5,6,2,2,0), (6,7,2,2,0), (7,4,2,2,0), \
|
|
(8,9,2,3,1), (9,10,2,3,1), (10,11,2,3,1), (11,8,2,3,1) ]
|
|
|
|
for p1,p2,bc,left,right in lines:
|
|
geo.Append( ["line", pnums[p1], pnums[p2]], bc=bc, leftdomain=left, rightdomain=right)
|
|
geo_dump = pickle.dumps(geo)
|
|
geo2 = pickle.loads(geo_dump)
|
|
vd1 = geo._visualizationData()
|
|
vd2 = geo2._visualizationData()
|
|
for val1, val2 in zip(vd1.values(), vd2.values()):
|
|
assert numpy.array_equal(val1, val2)
|
|
|
|
def test_pickle_mesh():
|
|
import netgen.csg as csg
|
|
geo = csg.CSGeometry()
|
|
brick = csg.OrthoBrick(csg.Pnt(-3,-3,-3), csg.Pnt(3,3,3))
|
|
mesh = geo.GenerateMesh(maxh=0.2)
|
|
assert geo == mesh.GetGeometry()
|
|
dump = pickle.dumps([geo,mesh])
|
|
geo2, mesh2 = pickle.loads(dump)
|
|
assert geo2 == mesh2.GetGeometry()
|
|
mesh.Save("msh1.vol.gz")
|
|
mesh2.Save("msh2.vol.gz")
|
|
import filecmp, os
|
|
assert filecmp.cmp("msh1.vol.gz", "msh2.vol.gz")
|
|
os.remove("msh1.vol.gz")
|
|
os.remove("msh2.vol.gz")
|
|
|
|
if __name__ == "__main__":
|
|
test_pickle_mesh()
|