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allow caller to specify gdsii logical unit

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This commit is contained in:
jan 2017-09-05 11:00:36 -07:00
parent 3b3ee216c2
commit 583dd7b018
1 changed files with 17 additions and 6 deletions
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23
masque/file/gdsii.py
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@ -21,7 +21,8 @@ __author__ = 'Jan Petykiewicz'
def write(pattern: Pattern,
filename: str,
meters_per_unit: float):
meters_per_unit: float,
logical_units_per_unit: float = 1):
"""
Write a Pattern to a GDSII file, by first calling .polygonize() on it
to change the shapes into polygons, and then writing patterns as GDSII
@ -44,12 +45,16 @@ def write(pattern: Pattern,
:param pattern: A Pattern to write to file. Modified by this function.
:param filename: Filename to write to.
:param meters_per_unit: Written into the GDSII file, meters per length unit.
:param 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.
:param logical_units_per_unit: Written into the GDSII file. Allows the GDSII to specify a
"logical" unit which is different from the "database" unit, for display purposes.
Default 1.
"""
# Create library
lib = gdsii.library.Library(version=600,
name='masque-write_dose2dtype'.encode('ASCII'),
logical_unit=1,
logical_unit=logical_units_per_unit,
physical_unit=meters_per_unit)
# Get a dict of id(pattern) -> pattern
@ -95,7 +100,9 @@ def write(pattern: Pattern,
def write_dose2dtype(pattern: Pattern,
filename: str,
meters_per_unit: float) -> List[float]:
meters_per_unit: float,
logical_units_per_unit: float = 1
) -> List[float]:
"""
Write a Pattern to a GDSII file, by first calling .polygonize() on it
to change the shapes into polygons, and then writing patterns as GDSII
@ -120,14 +127,18 @@ def write_dose2dtype(pattern: Pattern,
:param pattern: A Pattern to write to file. Modified by this function.
:param filename: Filename to write to.
:param meters_per_unit: Written into the GDSII file, meters per length unit.
:param 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.
:param logical_units_per_unit: Written into the GDSII file. Allows the GDSII to specify a
"logical" unit which is different from the "database" unit, for display purposes.
Default 1.
:returns: A list of doses, providing a mapping between datatype (int, list index)
and dose (float, list entry).
"""
# Create library
lib = gdsii.library.Library(version=600,
name='masque-write_dose2dtype'.encode('ASCII'),
logical_unit=1,
logical_unit=logical_units_per_unit,
physical_unit=meters_per_unit)
# Get a dict of id(pattern) -> pattern