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IfcOpenShell/src/ifcopenshell-python/test/api/alignment/test_referent_names.py
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2025-12-19 18:53:14 +05:00

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Python

# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2025 Thomas Krijnen <thomas@aecgeeks.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# IfcOpenShell is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
import pytest
from pytest import fixture
import ifcopenshell.api.alignment
import ifcopenshell.api.context
import ifcopenshell.api.unit
@pytest.fixture(scope="module")
def default_names_alignment():
file = ifcopenshell.file(schema="IFC4X3")
project = file.createIfcProject(GlobalId=ifcopenshell.guid.new(), Name="Test")
length = ifcopenshell.api.unit.add_conversion_based_unit(file, name="foot")
ifcopenshell.api.unit.assign_unit(file, units=[length])
geometric_representation_context = ifcopenshell.api.context.add_context(file, context_type="Model")
axis_model_representation_subcontext = ifcopenshell.api.context.add_context(
file,
context_type="Model",
context_identifier="Axis",
target_view="MODEL_VIEW",
parent=geometric_representation_context,
)
coordinates = [(500.0, 2500.0), (3340.0, 660.0), (4340.0, 5000.0), (7600.0, 4560.0), (8480.0, 2010.0)]
radii = [(1000.0), (1250.0), (950.0)]
vpoints = [(0.0, 100.0), (2000.0, 135.0), (5000.0, 105.0), (7400.0, 153.0), (9800.0, 105.0), (12800.0, 90.0)]
lengths = [(1600.0), (1200.0), (2000.0), (800.0)]
alignment = ifcopenshell.api.alignment.create_by_pi_method(
file, "TestAlignment", coordinates, radii, vpoints, lengths
)
yield alignment
def _hcallback(prev_segment, segment):
if (prev_segment is None) and (segment is not None):
label = "A"
elif (prev_segment is not None) and (segment is None):
label = "Z"
else:
label = "Q"
return label
def _vcallback(prev_segment, segment):
if (prev_segment is None) and (segment is not None):
label = "a"
elif (prev_segment is not None) and (segment is None):
label = "z"
else:
label = "q"
return label
@pytest.fixture(scope="module")
def callback_alignment():
ifcopenshell.api.alignment.register_referent_name_callback(_hcallback, _vcallback, None)
file = ifcopenshell.file(schema="IFC4X3")
project = file.createIfcProject(GlobalId=ifcopenshell.guid.new(), Name="Test")
length = ifcopenshell.api.unit.add_conversion_based_unit(file, name="foot")
ifcopenshell.api.unit.assign_unit(file, units=[length])
geometric_representation_context = ifcopenshell.api.context.add_context(file, context_type="Model")
axis_model_representation_subcontext = ifcopenshell.api.context.add_context(
file,
context_type="Model",
context_identifier="Axis",
target_view="MODEL_VIEW",
parent=geometric_representation_context,
)
coordinates = [(500.0, 2500.0), (3340.0, 660.0), (4340.0, 5000.0), (7600.0, 4560.0), (8480.0, 2010.0)]
radii = [(1000.0), (1250.0), (950.0)]
vpoints = [(0.0, 100.0), (2000.0, 135.0), (5000.0, 105.0), (7400.0, 153.0), (9800.0, 105.0), (12800.0, 90.0)]
lengths = [(1600.0), (1200.0), (2000.0), (800.0)]
alignment = ifcopenshell.api.alignment.create_by_pi_method(
file, "TestAlignment", coordinates, radii, vpoints, lengths
)
yield alignment
def test_with_default_names(default_names_alignment):
referent_nest = ifcopenshell.api.alignment.get_referent_nest(None, default_names_alignment)
expected = ["P.O.B", "P.C.", "P.T.", "P.O.E.", "V.P.O.B.", "P.V.C.", "P.V.T.", "V.P.O.E"]
for r in referent_nest.RelatedObjects:
assert [x in r.Name for x in expected]
def test_with_callbacks(callback_alignment):
referent_nest = ifcopenshell.api.alignment.get_referent_nest(None, callback_alignment)
expected = ["A", "Q", "Z", "a", "q", "z"]
for r in referent_nest.RelatedObjects:
assert [x in r.Name for x in expected]