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Updates alignment api. Fixes bugs authoring semantic-only alignment

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This commit is contained in:
Richard Brice
2026-05-25 10:31:57 -07:00
parent 42ed398169
commit 45ea5eb07a
27 changed files with 1085 additions and 373 deletions
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src/ifcopenshell-python/ifcopenshell/api/alignment/create_layout_segment.py
+4 -31
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@@ -53,35 +53,8 @@ def create_layout_segment(
# create the segment and add it to the layout.
segment = file.createIfcAlignmentSegment(GlobalId=ifcopenshell.guid.new(), DesignParameters=design_parameters)
_add_segment_to_layout(file, layout, segment) # adds to layout and geometric representation
end = _add_segment_to_layout(
file, layout, segment
) # adds to layout and geometric representation (if present, also updates zero length segment position)
# compute the 4x4 matrix at the end of the segment so this information can be
# returned and used when defining the next segment
alignment = ifcopenshell.api.alignment.get_alignment(layout)
curve = ifcopenshell.api.alignment.get_curve(alignment)
if curve:
if layout.is_a("IfcAlignmentHorizontal"):
if curve.is_a("IfcGradientCurve"):
curve = curve.BaseCurve
elif curve.is_a("IfcSegmentedReferenceCurve"):
curve = (
curve.BaseCurve.BaseCurve
) # layout is horizontal and curve is segmented ref ... we want the curve's base curve
elif layout.is_a("IfcAlignmentVertical"):
if curve.is_a("IfcSegmentedReferenceCurve"):
curve = curve.BaseCurve
# the new segment is two from the end... the end segment is zero length
curve_segment = curve.Segments[-2]
settings = ifcopenshell.geom.settings()
segment_fn = ifcopenshell_wrapper.map_shape(settings, curve_segment.wrapped_data)
segment_evaluator = ifcopenshell_wrapper.function_item_evaluator(settings, segment_fn)
e = segment_evaluator.evaluate(segment_fn.end())
end = np.array(e)
return end
else:
return None
return end