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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/map_alignment_vertical_segment.py
+16 -23
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@@ -60,10 +60,7 @@ def _map_constant_gradient(file: ifcopenshell.file, design_parameters: entity_in
parent_curve = file.create_entity(
type="IfcLine",
Pnt=file.create_entity(
type="IfcCartesianPoint",
Coordinates=(0.0, 0.0),
),
Pnt=file.createIfcCartesianPoint((0.0, 0.0)),
Dir=file.create_entity(
type="IfcVector",
Orientation=file.create_entity(
@@ -78,12 +75,10 @@ def _map_constant_gradient(file: ifcopenshell.file, design_parameters: entity_in
dy = math.sin(math.atan(start_gradient))
curve_segment_length = horizontal_length / dx
curve_segment = file.create_entity(
type="IfcCurveSegment",
curve_segment = file.createIfcCurveSegment(
Transition=transition,
Placement=file.create_entity(
type="IfcAxis2Placement2D",
Location=file.create_entity(type="IfcCartesianPoint", Coordinates=(start_distance_along, start_height)),
Placement=file.createIfcAxis2Placement2D(
Location=file.createIfcCartesianPoint((start_distance_along, start_height)),
RefDirection=file.createIfcDirection((dx, dy)),
),
SegmentStart=file.createIfcLengthMeasure(0.0),
@@ -110,7 +105,7 @@ def _map_parabolic_arc(file: ifcopenshell.file, design_parameters: entity_instan
type="IfcPolynomialCurve",
Position=file.create_entity(
type="IfcAxis2Placement2D",
Location=file.create_entity(type="IfcCartesianPoint", Coordinates=(0.0, 0.0)),
Location=file.createIfcCartesianPoint((0.0, 0.0)),
RefDirection=file.createIfcDirection(
(1.0, 0.0),
),
@@ -128,7 +123,7 @@ def _map_parabolic_arc(file: ifcopenshell.file, design_parameters: entity_instan
Transition=transition,
Placement=file.create_entity(
type="IfcAxis2Placement2D",
Location=file.create_entity(type="IfcCartesianPoint", Coordinates=(start_distance_along, start_height)),
Location=file.createIfcCartesianPoint((start_distance_along, start_height)),
RefDirection=file.createIfcDirection((dx, dy)),
),
SegmentStart=file.createIfcLengthMeasure(0.0),
@@ -194,32 +189,30 @@ def _map_clothoid(file: ifcopenshell.file, design_parameters: entity_instance) -
raise NotImplementedError("mapping for IfcVerticalSegment.CLOTHOID not implemented")
def map_alignment_vertical_segment(
file: ifcopenshell.file, design_parameters: entity_instance
) -> Sequence[entity_instance]:
def map_alignment_vertical_segment(file: ifcopenshell.file, segment: entity_instance) -> Sequence[entity_instance]:
"""
Creates IfcCurveSegment entities for the represention of the supplied IfcAlignmentVerticalSegment business logic entity instance.
A pair of entities is returned for consistency with map_alignment_horizontal_segment and map_alignment_cant_segment.
"""
expected_type = "IfcAlignmentVerticalSegment"
if not design_parameters.is_a(expected_type):
raise TypeError(f"Expected to see type '{expected_type}', instead received '{design_parameters.is_a()}'.")
expected_type = "IfcAlignmentSegment"
if not segment.is_a(expected_type):
raise TypeError(f"Expected to see type '{expected_type}', instead received '{segment.is_a()}'.")
match design_parameters.PredefinedType:
match segment.DesignParameters.PredefinedType:
case "CONSTANTGRADIENT":
result = _map_constant_gradient(file, design_parameters)
result = _map_constant_gradient(file, segment.DesignParameters)
case "PARABOLICARC":
result = _map_parabolic_arc(file, design_parameters)
result = _map_parabolic_arc(file, segment.DesignParameters)
case "CIRCULARARC":
result = _map_circular_arc(file, design_parameters)
result = _map_circular_arc(file, segment.DesignParameters)
case "CLOTHOID":
result = _map_clothoid(file, design_parameters)
result = _map_clothoid(file, segment.DesignParameters)
case _:
raise TypeError("Unexpected predefined type")
raise TypeError(f"Unexpected predefined type - got {segment.DesignParameters.PredefinedType}")
return result