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This commit is contained in:
Andrej730
2025-08-11 11:23:07 +05:00
parent 8b1ffea91a
commit ce6505847a
6 changed files with 545 additions and 510 deletions
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src/ifcopenshell-python/ifcopenshell/api/alignment/_get_cant_segment.py
+5 -5
View File
@@ -34,10 +34,12 @@ def _get_cant_segment(horizontal_segment: entity_instance) -> entity_instance:
expected_type = "IfcAlignmentSegment"
if not horizontal_segment.is_a(expected_type):
raise TypeError(f"Expected {expected_type} but got {horizontal_segment.is_a()}")
if not horizontal_segment.DesignParameters.is_a("IfcAlignmentHorizontalSegment"):
raise TypeError(f"Expect DesignParameter to be IfcAlignmentHorizontal but got {horizontal_segment.DesignParameters.is_a()}")
raise TypeError(
f"Expect DesignParameter to be IfcAlignmentHorizontal but got {horizontal_segment.DesignParameters.is_a()}"
)
# get the index of horizontal_segment in the horizontal_layout
horizontal_layout = horizontal_segment.Nests[0].RelatingObject
index = 0
@@ -71,7 +73,5 @@ def _get_cant_segment(horizontal_segment: entity_instance) -> entity_instance:
break
if cant_segment:
break
return cant_segment
src/ifcopenshell-python/ifcopenshell/api/alignment/_map_alignment_cant_segment.py
+4 -4
View File
@@ -392,10 +392,10 @@ def _map_viennese_bend(
a1 = 0.0 # linear term
a2 = 0.0 * f # quadratic term
a3 = 0.0 * f # cubic term
a4 = 35. * f # quartic term
a5 = -84.*f # quintic term
a6 = 70.*f # sextic term
a7 = -20.*f # septic term
a4 = 35.0 * f # quartic term
a5 = -84.0 * f # quintic term
a6 = 70.0 * f # sextic term
a7 = -20.0 * f # septic term
transition = "DISCONTINUOUS"
src/ifcopenshell-python/ifcopenshell/api/alignment/_map_alignment_horizontal_segment.py
+30 -26
View File
@@ -437,7 +437,9 @@ def _map_viennese_bend(file: ifcopenshell.file, segment: entity_instance) -> Seq
start_direction = design_parameters.StartDirection
start_radius = design_parameters.StartRadiusOfCurvature
length = design_parameters.SegmentLength
gravity_centerline_height = design_parameters.GravityCenterLineHeight if design_parameters.GravityCenterLineHeight != None else 0.0
gravity_centerline_height = (
design_parameters.GravityCenterLineHeight if design_parameters.GravityCenterLineHeight != None else 0.0
)
angle_unit_scale = ifcopenshell.util.unit.calculate_unit_scale(file, "PLANEANGLEUNIT")
start_direction *= angle_unit_scale
@@ -449,40 +451,42 @@ def _map_viennese_bend(file: ifcopenshell.file, segment: entity_instance) -> Seq
start_cant_left = cant_segment.DesignParameters.StartCantLeft
end_cant_left = cant_segment.DesignParameters.EndCantLeft if cant_segment.DesignParameters.EndCantLeft else 0.0
start_cant_right = cant_segment.DesignParameters.StartCantRight
end_cant_right = cant_segment.DesignParameters.EndCantRight if cant_segment.DesignParameters.EndCantRight else 0.0
end_cant_right = (
cant_segment.DesignParameters.EndCantRight if cant_segment.DesignParameters.EndCantRight else 0.0
)
cant_layout = cant_segment.Nests[0].RelatingObject
rail_head_distance = cant_layout.RailHeadDistance
else:
start_cant_left = 0.
end_cant_left = 0.
start_cant_right = 0.
end_cant_right = 0.
rail_head_distance = 1.
start_cant_left = 0.0
end_cant_left = 0.0
start_cant_right = 0.0
end_cant_right = 0.0
rail_head_distance = 1.0
cant_angle_start = (start_cant_right - start_cant_left)/rail_head_distance if rail_head_distance else 0.
cant_angle_end = (end_cant_right - end_cant_left)/rail_head_distance if rail_head_distance else 0.
cant_angle_start = (start_cant_right - start_cant_left) / rail_head_distance if rail_head_distance else 0.0
cant_angle_end = (end_cant_right - end_cant_left) / rail_head_distance if rail_head_distance else 0.0
cant_factor = -420.*(gravity_centerline_height/length)*(cant_angle_end - cant_angle_start)
cant_factor = -420.0 * (gravity_centerline_height / length) * (cant_angle_end - cant_angle_start)
f = _get_curve_factor(design_parameters)
a0 = length / start_radius if start_radius != 0.0 else 0.0 # constant term
a1 = 0. # linear term
a2 = 1.*cant_factor # quadratic term
a3 = -4.*cant_factor # cubic term
a4 = 5.*cant_factor + 35.*f # quartic term
a5 = -2.*cant_factor - 84.*f # quintic term
a6 = 70.*f # sextic term
a7 = -20.0*f # septic term
a0 = length / start_radius if start_radius != 0.0 else 0.0 # constant term
a1 = 0.0 # linear term
a2 = 1.0 * cant_factor # quadratic term
a3 = -4.0 * cant_factor # cubic term
a4 = 5.0 * cant_factor + 35.0 * f # quartic term
a5 = -2.0 * cant_factor - 84.0 * f # quintic term
a6 = 70.0 * f # sextic term
a7 = -20.0 * f # septic term
A0 = length*math.pow(math.fabs(a0),-1.0 / 1.0) * (a0 / math.fabs(a0)) if a0 != 0.0 else 0.0
A1 = length*math.pow(math.fabs(a1),-1.0 / 2.0) * (a1 / math.fabs(a1)) if a1 != 0.0 else 0.0
A2 = length*math.pow(math.fabs(a2),-1.0 / 3.0) * (a2 / math.fabs(a2)) if a2 != 0.0 else 0.0
A3 = length*math.pow(math.fabs(a3),-1.0 / 4.0) * (a3 / math.fabs(a3)) if a3 != 0.0 else 0.0
A4 = length*math.pow(math.fabs(a4),-1.0 / 5.0) * (a4 / math.fabs(a4)) if a4 != 0.0 else 0.0
A5 = length*math.pow(math.fabs(a5),-1.0 / 6.0) * (a5 / math.fabs(a5)) if a5 != 0.0 else 0.0
A6 = length*math.pow(math.fabs(a6),-1.0 / 7.0) * (a6 / math.fabs(a6)) if a6 != 0.0 else 0.0
A7 = length*math.pow(math.fabs(a7),-1.0 / 8.0) * (a7 / math.fabs(a7)) if a7 != 0.0 else 0.0
A0 = length * math.pow(math.fabs(a0), -1.0 / 1.0) * (a0 / math.fabs(a0)) if a0 != 0.0 else 0.0
A1 = length * math.pow(math.fabs(a1), -1.0 / 2.0) * (a1 / math.fabs(a1)) if a1 != 0.0 else 0.0
A2 = length * math.pow(math.fabs(a2), -1.0 / 3.0) * (a2 / math.fabs(a2)) if a2 != 0.0 else 0.0
A3 = length * math.pow(math.fabs(a3), -1.0 / 4.0) * (a3 / math.fabs(a3)) if a3 != 0.0 else 0.0
A4 = length * math.pow(math.fabs(a4), -1.0 / 5.0) * (a4 / math.fabs(a4)) if a4 != 0.0 else 0.0
A5 = length * math.pow(math.fabs(a5), -1.0 / 6.0) * (a5 / math.fabs(a5)) if a5 != 0.0 else 0.0
A6 = length * math.pow(math.fabs(a6), -1.0 / 7.0) * (a6 / math.fabs(a6)) if a6 != 0.0 else 0.0
A7 = length * math.pow(math.fabs(a7), -1.0 / 8.0) * (a7 / math.fabs(a7)) if a7 != 0.0 else 0.0
parent_curve = file.createIfcSeventhOrderPolynomialSpiral(
Position=file.createIfcAxis2Placement2D(