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allow caller to specify gdsii logical unit

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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, def write(pattern: Pattern,
filename: str, 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 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 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 pattern: A Pattern to write to file. Modified by this function.
:param filename: Filename to write to. :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 # Create library
lib = gdsii.library.Library(version=600, lib = gdsii.library.Library(version=600,
name='masque-write_dose2dtype'.encode('ASCII'), name='masque-write_dose2dtype'.encode('ASCII'),
logical_unit=1, logical_unit=logical_units_per_unit,
physical_unit=meters_per_unit) physical_unit=meters_per_unit)
# Get a dict of id(pattern) -> pattern # Get a dict of id(pattern) -> pattern
@ -95,7 +100,9 @@ def write(pattern: Pattern,
def write_dose2dtype(pattern: Pattern, def write_dose2dtype(pattern: Pattern,
filename: str, 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 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 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 pattern: A Pattern to write to file. Modified by this function.
:param filename: Filename to write to. :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) :returns: A list of doses, providing a mapping between datatype (int, list index)
and dose (float, list entry). and dose (float, list entry).
""" """
# Create library # Create library
lib = gdsii.library.Library(version=600, lib = gdsii.library.Library(version=600,
name='masque-write_dose2dtype'.encode('ASCII'), name='masque-write_dose2dtype'.encode('ASCII'),
logical_unit=1, logical_unit=logical_units_per_unit,
physical_unit=meters_per_unit) physical_unit=meters_per_unit)
# Get a dict of id(pattern) -> pattern # Get a dict of id(pattern) -> pattern