def simplify(self,
box=GLOBAL_BOX,
split_disjoint=False,
min_volume=MIN_BOX_VOLUME,
trim_size=1):
"""Simplifies this cell by removing unnecessary surfaces.
The simplification procedure goes in the following way.
# TODO: insert brief description!
Parameters
----------
box : Box
Box where geometry should be simplified.
split_disjoint : bool
Whether to split disjoint geometries into separate geometries.
min_volume : float
The smallest value of box's volume when the process of box splitting
must be stopped.
trim_size : int
Max size of set to return. It is used to prevent unlimited growth
of the variant set.
Returns
-------
simple_cell : Cell
Simplified version of this cell.
"""
# print('Collect stage...')
self._shape.collect_statistics(box, min_volume)
# print('finding optimal solution...')
variants = self._shape.get_simplest(trim_size)
# print(len(variants))
options = filter_dict(self.options, 'original')
return Body(variants[0], **options)
def cell(self, p):
reference_body = self.cells[p[2]]
options = filter_dict(reference_body.options, "original", "comment",
"comment_above")
options.update(p.attributes)
options["name"] = p[0]
new_body = Body(reference_body, **options)
return self.build_cell(new_body, options)
def rename(
self,
start_cell: int = None,
start_surf: int = None,
start_mat: int = None,
start_tr: int = None,
name: int = None,
) -> None:
"""Renames all entities contained in the universe.
All new names are sequential starting from the specified name. If name
is None, than names of entities are leaved untouched.
Parameters
----------
start_cell :
Starting name for cells. Default: None.
start_surf :
Starting name for surfaces. Default: None.
start_mat :
Starting name for materials. Default: None.
start_tr :
Starting name for transformations. Default: None.
name :
Name for the universe. Default: None.
"""
# TODO dvp: implement transformations renaming
assert start_tr is None, "Transformation renaming is not implemented yet"
if name:
self._name = name
for c in self:
c.options = filter_dict(c.options, "original")
if start_cell:
for c in self:
c.rename(start_cell)
start_cell += 1
if start_surf:
surfs = self.get_surfaces()
for s in sorted(surfs, key=Card.name):
s.rename(start_surf)
start_surf += 1
if start_mat:
mats = self.get_compositions()
for m in sorted(mats, key=Card.name):
if m not in self._common_materials:
m.rename(start_mat)
start_mat += 1
def union(self, other):
"""Gets an union if this cell with the other.
The resulting cell inherits all options of this one (the caller).
Parameters
----------
other : Cell
Other cell.
Returns
-------
cell : Cell
The result.
"""
geometry = self._shape.union(other)
options = filter_dict(self.options, 'original')
return Body(geometry, **options)
def transform(self, tr):
"""Applies transformation to this cell.
Parameters
----------
tr : Transform
Transformation to be applied.
Returns
-------
cell : Cell
The result of this cell transformation.
"""
geometry = self._shape.transform(tr)
options = filter_dict(self.options, 'original')
cell = Body(geometry, **options)
fill = cell.options.get('FILL', None)
if fill:
tr_in = fill.get('transform', Transformation())
new_tr = tr.apply2transform(tr_in)
fill['transform'] = new_tr
return cell
def test_deep_copy_dict(dictionary, drop_items, expected):
actual = filter_dict(dictionary, drop_items)
assert actual == expected
def compose(output, fill_descriptor_path, source, override):
logger.info("Loading model from {s}", s=source)
parse_result: ParseResult = from_file(source)
envelopes = parse_result.universe
source = Path(source)
universes_dir = source.absolute().parent
assert universes_dir.is_dir()
logger.info("Loading fill-descriptor from {f}", f=fill_descriptor_path)
with fill_descriptor_path.open() as fid:
fill_descriptor = tk.parse(fid.read())
universes = load_universes(fill_descriptor, universes_dir)
named_transformations = load_named_transformations(fill_descriptor)
comps = {}
for k, v in universes.items():
u, _ = v
cps = u.get_compositions()
comps[k] = {c for c in cps}
common = reduce(set.union, comps.values())
envelopes.set_common_materials(common)
cells_index = dict((cell.name(), cell) for cell in envelopes)
for i, spec in universes.items():
universe, transformation = spec
universe.set_common_materials(common)
cell = cells_index[i]
cell.options = filter_dict(cell.options, "original")
cell.options["FILL"] = {"universe": universe}
if transformation is not None:
if isinstance(transformation, tk_items.Array):
transformation1 = np.fromiter(map(float, iter(transformation)),
dtype=np.double)
try:
translation = transformation1[:3]
if len(transformation1) > 3:
rotation = transformation1[3:]
else:
rotation = None
transformation2 = mk.Transformation(
translation=translation,
rotation=rotation,
indegrees=
True, # Assuming that on decompose we store a transformation in degrees as well
)
except ValueError as ex:
raise ValueError(
f"Failed to process FILL transformation in cell #{cell.name()} of universe #{universe.name()}"
) from ex
cell.options["FILL"]["transform"] = transformation2
elif isinstance(transformation, tk_items.Integer):
assert (
named_transformations is not None
), "There are no named transformations in the fill descriptor file"
transformation1 = named_transformations[int(transformation)]
cell.options["FILL"]["transform"] = transformation1
else:
raise NotImplementedError(
f"Unexpected type of transformation parameter {type(transformation)}"
)
save_mcnp(envelopes, output, override)
def compose(output, fill_descriptor_path, source, override):
parse_result: ParseResult = from_file(source)
envelopes = parse_result.universe
source = Path(source)
universes_dir = source.absolute().parent
assert universes_dir.is_dir()
with fill_descriptor_path.open() as fid:
fill_descriptor = tk.parse(fid.read())
universes = {}
for k, v in fill_descriptor.items():
if isinstance(v, dict) and 'universe' in v:
cell_name = int(k)
universe_name = int(v['universe'])
transformation = v.get('transform', None)
universe_path = Path(v['file'])
if not universe_path.exists():
universe_path = universes_dir / universe_path
if not universe_path.exists():
raise FileNotFoundError(universe_path)
parse_result: ParseResult = from_file(universe_path)
universe: mk.Universe = parse_result.universe
universe.rename(name=universe_name)
universes[cell_name] = (universe, transformation)
comps = {}
for k, v in universes.items():
u, _ = v
cps = u.get_compositions()
comps[k] = {c for c in cps}
common = reduce(set.union, comps.values())
envelopes.set_common_materials(common)
cells_index = dict((cell.name(), cell) for cell in envelopes)
for i, spec in universes.items():
universe, transformation = spec
universe.set_common_materials(common)
cell = cells_index[i]
cell.options = filter_dict(cell.options, "original")
cell.options["FILL"] = {"universe": universe}
if transformation is not None:
if isinstance(transformation, tk.array):
transformation = np.fromiter(map(float, iter(transformation)),
dtype=np.double)
transformation = mk.Transformation(
translation=transformation[:3],
rotation=transformation[3:],
indegrees=True,
)
cell.options["FILL"]["transform"] = transformation
else:
# TODO dvp: use parse results to implement this: there's an index of transformations
raise NotImplementedError("""\
Specification of fill with a universe with a named transformation "fill=<...> ( number )" occurs. \
Only anonymous transformations are implemented.\
""")
save_mcnp(envelopes, output, override)
