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Add modify_originals param and don't modify the pattern by default

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This commit is contained in:
Jan Petykiewicz 2019-04-20 15:26:27 -07:00
parent 783c0c0844
commit d6d26b4e46
1 changed files with 12 additions and 6 deletions
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18
masque/file/gdsii.py
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@ -8,6 +8,7 @@ import gdsii.elements
from typing import List, Any, Dict, Tuple from typing import List, Any, Dict, Tuple
import re import re
import copy
import numpy import numpy
import base64 import base64
import struct import struct
@ -37,7 +38,8 @@ def write(patterns: Pattern or List[Pattern],
filename: str, filename: str,
meters_per_unit: float, meters_per_unit: float,
logical_units_per_unit: float = 1, logical_units_per_unit: float = 1,
library_name: str = 'masque-gdsii-write'): library_name: str = 'masque-gdsii-write',
modify_originals: bool = False):
""" """
Write a Pattern or list of patterns to a GDSII file, by first calling Write a Pattern or list of patterns to a GDSII file, by first calling
.polygonize() to change the shapes into polygons, and then writing patterns .polygonize() to change the shapes into polygons, and then writing patterns
@ -50,8 +52,6 @@ def write(patterns: Pattern or List[Pattern],
datatype is chosen to be shape.layer[1] if available, datatype is chosen to be shape.layer[1] if available,
otherwise 0 otherwise 0
Note that this function modifies the Pattern.
It is often a good idea to run pattern.subpatternize() prior to calling this function, It is often a good idea to run pattern.subpatternize() prior to calling this function,
especially if calling .polygonize() will result in very many vertices. especially if calling .polygonize() will result in very many vertices.
@ -67,16 +67,22 @@ def write(patterns: Pattern or List[Pattern],
Default 1. Default 1.
:param library_name: Library name written into the GDSII file. :param library_name: Library name written into the GDSII file.
Default 'masque-gdsii-write'. Default 'masque-gdsii-write'.
:param modify_originals: If True, the original pattern is modified as part of the writing
process. Otherwise, a copy is made.
Default False.
""" """
if not modify_originals:
patterns = copy.deepcopy(patterns)
if isinstance(patterns, Pattern):
patterns = [patterns]
# Create library # Create library
lib = gdsii.library.Library(version=600, lib = gdsii.library.Library(version=600,
name=library_name.encode('ASCII'), name=library_name.encode('ASCII'),
logical_unit=logical_units_per_unit, logical_unit=logical_units_per_unit,
physical_unit=meters_per_unit) physical_unit=meters_per_unit)
if isinstance(patterns, Pattern):
patterns = [patterns]
# Get a dict of id(pattern) -> pattern # Get a dict of id(pattern) -> pattern
patterns_by_id = {id(pattern): pattern for pattern in patterns} patterns_by_id = {id(pattern): pattern for pattern in patterns}
for pattern in patterns: for pattern in patterns: