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This commit is contained in:
Jan Petykiewicz 2020-05-17 22:59:54 -07:00
commit 22b2834d55
4 changed files with 55 additions and 12 deletions
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masque/file/gdsii.py
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@ -1,5 +1,15 @@
"""
GDSII file format readers and writers
Note that GDSII references follow the same convention as `masque`,
with this order of operations:
1. Mirroring
2. Rotation
3. Scaling
4. Offset and array expansion (no mirroring/rotation/scaling applied to offsets)
Scaling, rotation, and mirroring apply to individual instances, not grid
vectors or offsets.
"""
from typing import List, Any, Dict, Tuple, Callable, Union, Sequence, Iterable, Optional
import re
@ -23,7 +33,6 @@ from ..shapes import Polygon, Path
from ..utils import rotation_matrix_2d, get_bit, set_bit, vector2, is_scalar, layer_t
from ..utils import remove_colinear_vertices, normalize_mirror
#TODO document how GDS rotation / mirror works
#TODO absolute positioning
@ -65,8 +74,8 @@ def write(patterns: Union[Pattern, List[Pattern]],
prior to calling this function.
Args:
patterns: A Pattern or list of patterns to write to file.
file: Filename or stream object to write to.
patterns: A Pattern or list of patterns to write to the stream.
stream: Stream object to write to.
meters_per_unit: Written into the GDSII file, meters per (database) length unit.
All distances are assumed to be an integer multiple of this unit, and are stored as such.
logical_units_per_unit: Written into the GDSII file. Allows the GDSII to specify a