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Implements business to geometry mapping for alignment cant.

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Also fixes problems that were created by this work in other files
This commit is contained in:
Richard Brice
2025-03-29 15:27:05 -07:00
parent 7bdbfee041
commit 42c49af4e3
13 changed files with 2249 additions and 374 deletions
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src/ifcopenshell-python/ifcopenshell/api/alignment/create_geometric_representation.py
+10
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@@ -60,6 +60,7 @@ def create_geometric_representation(file: ifcopenshell.file, alignment: entity_i
if len(layouts) == 1 and len(children) == 0:
assert layouts[0].is_a("IfcAlignmentHorizontal")
# Horizontal only - IFC CT 4.1.7.1.1.1
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[0])
composite_curve = file.createIfcCompositeCurve()
ifcopenshell.api.alignment.map_alignment_segments(file, layouts[0], composite_curve)
representation = file.create_entity(
@@ -74,6 +75,8 @@ def create_geometric_representation(file: ifcopenshell.file, alignment: entity_i
# Horizontal and Vertical - IFC CT 4.1.7.1.1.1
assert layouts[0].is_a("IfcAlignmentHorizontal")
assert layouts[1].is_a("IfcAlignmentVertical")
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[0])
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[1])
composite_curve = file.createIfcCompositeCurve()
ifcopenshell.api.alignment.map_alignment_segments(file, layouts[0], composite_curve)
representation = file.create_entity(
@@ -100,6 +103,9 @@ def create_geometric_representation(file: ifcopenshell.file, alignment: entity_i
assert layouts[0].is_a("IfcAlignmentHorizontal")
assert layouts[1].is_a("IfcAlignmentVertical")
assert layouts[2].is_a("IfcAlignmentCant")
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[0])
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[1])
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[2])
composite_curve = file.createIfcCompositeCurve()
ifcopenshell.api.alignment.map_alignment_segments(file, layouts[0], composite_curve)
representation = file.create_entity(
@@ -126,6 +132,7 @@ def create_geometric_representation(file: ifcopenshell.file, alignment: entity_i
else:
# Reusing Horizontal - CT 4.1.4.4.1.2
# Create a representation on the parent alignment
ifcopenshell.api.alignment.add_zero_length_segment(file, layouts[0])
composite_curve = file.createIfcCompositeCurve()
ifcopenshell.api.alignment.map_alignment_segments(file, layouts[0], composite_curve)
representation = file.create_entity(
@@ -142,6 +149,7 @@ def create_geometric_representation(file: ifcopenshell.file, alignment: entity_i
child_layouts = ifcopenshell.api.alignment.get_alignment_layouts(child_alignment)
if len(child_layouts) == 1:
assert child_layouts[0].is_a("IfcAlignmentVertical")
ifcopenshell.api.alignment.add_zero_length_segment(file, child_layouts[0])
base_curve = ifcopenshell.api.alignment.get_basis_curve(alignment)
gradient_curve = file.createIfcGradientCurve(BaseCurve=base_curve)
ifcopenshell.api.alignment.map_alignment_segments(file, child_layouts[0], gradient_curve)
@@ -156,6 +164,8 @@ def create_geometric_representation(file: ifcopenshell.file, alignment: entity_i
elif len(child_layouts) == 2:
assert child_layouts[0].is_a("IfcAlignmentVertical")
assert child_layouts[1].is_a("IfcAlignmentCant")
ifcopenshell.api.alignment.add_zero_length_segment(file, child_layouts[0])
ifcopenshell.api.alignment.add_zero_length_segment(file, child_layouts[1])
base_curve = ifcopenshell.api.alignment.get_basis_curve(alignment)
gradient_curve = file.createIfcGradientCurve(BaseCurve=base_curve)
ifcopenshell.api.alignment.map_alignment_segments(file, child_layouts[0], gradient_curve)