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Add option to check for invalid polygons when reading gds

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jan 2017-11-04 12:15:35 -07:00
parent 6aa1787ba0
commit c451e93df0
1 changed files with 14 additions and 1 deletions
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15
masque/file/gdsii.py
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@ -205,7 +205,10 @@ def read_dtype2dose(filename: str) -> (List[Pattern], Dict[str, Any]):
return read(filename, use_dtype_as_dose=True)
def read(filename: str, use_dtype_as_dose=False) -> (List[Pattern], Dict[str, Any]):
def read(filename: str,
use_dtype_as_dose: bool = False,
clean_vertices: bool = True,
) -> (List[Pattern], Dict[str, Any]):
"""
Read a gdsii file and translate it into a list of Pattern objects. GDSII structures are
translated into Pattern objects; boundaries are translated into polygons, and srefs and arefs
@ -214,6 +217,10 @@ def read(filename: str, use_dtype_as_dose=False) -> (List[Pattern], Dict[str, An
:param filename: Filename specifying a GDSII file to read from.
:param use_dtype_as_dose: If false, set each polygon's layer to (gds_layer, gds_datatype).
If true, set the layer to gds_layer and the dose to gds_datatype.
Default False.
:param clean_vertices: If true, remove any redundant vertices when loading polygons.
The cleaning process removes any polygons with zero area or <3 vertices.
Default True.
:return: Tuple: (List of Patterns generated GDSII structures, Dict of GDSII library info)
"""
@ -260,6 +267,12 @@ def read(filename: str, use_dtype_as_dose=False) -> (List[Pattern], Dict[str, An
else:
shape = Polygon(vertices=element.xy[:-1],
layer=(element.layer, element.data_type))
if do_clean:
try:
shape.clean_vertices()
except PatternError:
continue
pat.shapes.append(shape)
elif isinstance(element, gdsii.elements.SRef):