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move shape conversions to their own functions, and use raw mode

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This commit is contained in:
Jan Petykiewicz 2020-08-15 18:20:37 -07:00
parent 352c03c0ae
commit b845b0f7bc
1 changed files with 41 additions and 32 deletions
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73
masque/file/gdsii.py
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@ -233,57 +233,33 @@ def read(stream: io.BufferedIOBase,
'logical_units_per_unit': lib.logical_unit,
}
raw_mode = True # Whether to construct shapes in raw mode (less error checking)
patterns = []
for structure in lib:
pat = Pattern(name=structure.name.decode('ASCII'))
for element in structure:
# Switch based on element type:
if isinstance(element, gdsii.elements.Boundary):
args = {'vertices': element.xy[:-1],
'layer': (element.layer, element.data_type),
}
poly = Polygon(**args)
poly = _boundary_to_polygon(element, raw_mode)
if clean_vertices:
try:
poly.clean_vertices()
except PatternError:
continue
pat.shapes.append(poly)
if isinstance(element, gdsii.elements.Path):
if element.path_type in path_cap_map:
cap = path_cap_map[element.path_type]
else:
raise PatternError('Unrecognized path type: {}'.format(element.path_type))
args = {'vertices': element.xy,
'layer': (element.layer, element.data_type),
'width': element.width if element.width is not None else 0.0,
'cap': cap,
}
if cap == Path.Cap.SquareCustom:
args['cap_extensions'] = numpy.zeros(2)
if element.bgn_extn is not None:
args['cap_extensions'][0] = element.bgn_extn
if element.end_extn is not None:
args['cap_extensions'][1] = element.end_extn
path = Path(**args)
path = _gpath_to_mpath(element, raw_mode)
if clean_vertices:
try:
path.clean_vertices()
except PatternError as err:
continue
pat.shapes.append(path)
elif isinstance(element, gdsii.elements.Text):
label = Label(offset=element.xy,
label = Label(offset=element.xy.astype(float),
layer=(element.layer, element.text_type),
string=element.string.decode('ASCII'))
pat.labels.append(label)
@ -333,9 +309,9 @@ def _ref_to_subpat(element: Union[gdsii.elements.SRef,
That's not currently supported by masque at all, so need to either tag it and
undo the parent transformations, or implement it in masque.
"""
rotation = 0
offset = numpy.array(element.xy[0])
scale = 1
rotation = 0.0
offset = numpy.array(element.xy[0], dtype=float)
scale = 1.0
mirror_across_x = False
repetition = None
@ -372,6 +348,39 @@ def _ref_to_subpat(element: Union[gdsii.elements.SRef,
return subpat
def _gpath_to_mpath(element: gdsii.elements.Path, raw_mode: bool) -> Path:
if element.path_type in path_cap_map:
cap = path_cap_map[element.path_type]
else:
raise PatternError(f'Unrecognized path type: {element.path_type}')
args = {'vertices': element.xy.astype(float),
'layer': (element.layer, element.data_type),
'width': element.width if element.width is not None else 0.0,
'cap': cap,
'offset': numpy.zeros(2),
'raw': raw_mode,
}
if cap == Path.Cap.SquareCustom:
args['cap_extensions'] = numpy.zeros(2)
if element.bgn_extn is not None:
args['cap_extensions'][0] = element.bgn_extn
if element.end_extn is not None:
args['cap_extensions'][1] = element.end_extn
return Path(**args)
def _boundary_to_polygon(element: gdsii.elements.Boundary, raw_mode: bool) -> Polygon:
args = {'vertices': element.xy[:-1].astype(float),
'layer': (element.layer, element.data_type),
'offset': numpy.zeros(2),
'raw': raw_mode,
}
return Polygon(**args)
def _subpatterns_to_refs(subpatterns: List[SubPattern]
) -> List[Union[gdsii.elements.ARef, gdsii.elements.SRef]]:
refs = []