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Strengthens implementation of station_to_string. Adds alignment name to stationing referent.

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This commit is contained in:
Richard Brice
2026-08-12 13:08:53 -07:00
parent 223f358f28
commit 307836049f
7 changed files with 126 additions and 11 deletions
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src/ifcopenshell-python/ifcopenshell/util/alignment.py
+6 -6
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@@ -69,21 +69,21 @@ def station_as_string(file: ifcopenshell.file, sta: float):
Returns a stringized version of a station. Example 100.0 is 1+00.00 as a stationing string.
If the project units are SI-based, the string is in the format xxx+yyy.zzz
If the project units are Emperial-based, the string is in the format xx+yy.zz
:param station: the station to be stringized
:return: stringized station
"""
unit_type = ifcopenshell.util.unit.get_project_unit(file, "LENGTHUNIT")
project_unit_to_metres = ifcopenshell.util.unit.calculate_unit_scale(file)
if unit_type.is_a("IfcConversionBasedUnit"):
station = ifcopenshell.util.unit.convert(
sta, from_unit=unit_type.Name, from_prefix=None, to_unit="foot", to_prefix=None
)
# xx+yy.zz display is inherently foot-based, regardless of which foot variant
# (international vs. US survey, etc.) the project's own unit actually is.
station = sta * project_unit_to_metres / 0.3048
plus_seperator = 2
precision = 2
else:
station = ifcopenshell.util.unit.convert(
sta, from_unit=unit_type.Name, from_prefix=unit_type.Prefix, to_unit="meter", to_prefix=None
)
station = sta * project_unit_to_metres
plus_seperator = 3
precision = 3