mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Andrej730
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2025 Thomas Krijnen <thomas@aecgeeks.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell
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import ifcopenshell.api.alignment
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import ifcopenshell.api.geometry
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from ifcopenshell import entity_instance
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import math
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from collections.abc import Sequence
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def _create_polyline_representation(
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file: ifcopenshell.file, alignment: entity_instance, points: Sequence[Sequence[float]]
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) -> None:
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"""
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Create geometric representation for the alignment based on an IfcPolyline
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:param alignment: The alignment for which the representation is being created
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:return: None
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"""
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expected_type = "IfcAlignment"
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if not alignment.is_a(expected_type):
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raise TypeError(f"Expected {expected_type} but got {alignment.is_a()}")
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axis_geom_subcontext = ifcopenshell.api.alignment.get_axis_subcontext(file)
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placement = file.createIfcLocalPlacement(
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PlacementRelTo=None,
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RelativePlacement=file.createIfcAxis2Placement3D(
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Location=file.createIfcCartesianPoint(Coordinates=(0.0, 0.0, 0.0))
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),
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)
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curve = file.createIfcPolyLine(Points=points)
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representation = file.createIfcShapeRepresentation(
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ContextOfItems=axis_geom_subcontext,
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RepresentationIdentifier="Axis",
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RepresentationType="Curve3D",
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Items=(curve,),
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)
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alignment.ObjectPlacement = placement
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ifcopenshell.api.geometry.assign_representation(file, alignment, representation)
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