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Updates helmert curve business2geometry mapping (again)

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Richard Brice
2025-07-18 12:29:28 -07:00
parent 913076de94
commit 78759a63f2
2 changed files with 25 additions and 10 deletions
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src/ifcopenshell-python/ifcopenshell/api/alignment/_map_alignment_horizontal_segment.py
+17 -2
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@@ -262,8 +262,8 @@ def _map_helmert_curve(file: ifcopenshell.file, design_parameters: entity_instan
type="IfcAxis2Placement2D",
Location=file.createIfcCartesianPoint(
(
start_point.Coordinates[0] + x1 * math.cos(start_direction) + y1 * math.sin(start_direction),
start_point.Coordinates[1] + x1 * math.sin(start_direction) - y1 * math.cos(start_direction),
start_point.Coordinates[0] + x1 * math.cos(start_direction) - y1 * math.sin(start_direction),
start_point.Coordinates[1] + x1 * math.sin(start_direction) + y1 * math.cos(start_direction),
)
),
RefDirection=file.createIfcDirection(
@@ -275,6 +275,21 @@ def _map_helmert_curve(file: ifcopenshell.file, design_parameters: entity_instan
ParentCurve=parent_curve2,
)
import numpy as np
settings = ifcopenshell.geom.settings()
prev_segment_fn = ifcopenshell_wrapper.map_shape(settings, curve_segment1.wrapped_data)
prev_segment_evaluator = ifcopenshell_wrapper.function_item_evaluator(settings, prev_segment_fn)
e = prev_segment_evaluator.evaluate(prev_segment_fn.end())
end = np.array(e)
segment_fn = ifcopenshell_wrapper.map_shape(settings, curve_segment2.wrapped_data)
segment_evaluator = ifcopenshell_wrapper.function_item_evaluator(settings, segment_fn)
s = segment_evaluator.evaluate(segment_fn.start())
start = np.array(s)
assert(np.allclose(end[:3,3],start[:3,3]))
return curve_segment1, curve_segment2