mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-19 19:54:07 +00:00
Andrej730
85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2022 Dion Moult <dion@thinkmoult.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.util.representation
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import ifcpatch
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import ifcopenshell
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import ifcopenshell.api.context
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import ifcopenshell.api.geometry
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import ifcopenshell.api.profile
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import ifcopenshell.api.root
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import ifcopenshell.api.unit
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import test.bootstrap
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import ifcopenshell.geom
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import ifcopenshell.util.element
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from ifcopenshell.util.shape_builder import ShapeBuilder
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class TestTesselateElements(test.bootstrap.IFC4):
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def test_run(self):
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is_ifc2x3 = self.file.schema == "IFC2X3"
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ifcopenshell.api.root.create_entity(self.file, "IfcProject")
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wall = ifcopenshell.api.root.create_entity(self.file, "IfcWall")
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model = ifcopenshell.api.context.add_context(self.file, "Model")
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body = ifcopenshell.api.context.add_context(
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self.file,
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context_type="Model",
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context_identifier="Body",
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target_view="MODEL_VIEW",
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parent=model,
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)
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# Add a length unit just for tests.
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unit = ifcopenshell.api.unit.add_si_unit(self.file, unit_type="LENGTHUNIT")
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ifcopenshell.api.unit.assign_unit(self.file, units=[unit])
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builder = ShapeBuilder(self.file)
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rect = builder.polyline(builder.get_rectangle_coords(), closed=True)
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extrusion = builder.extrude(rect, 1.0)
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rep = builder.get_representation(body, extrusion)
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ifcopenshell.api.geometry.assign_representation(self.file, wall, rep)
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original_rep_id = rep.id()
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ifcpatch.execute({"file": self.file, "recipe": "TessellateElements", "arguments": ["IfcWall"]})
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# Original representation still exists.
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assert self.file.by_id(original_rep_id)
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other_reps = [r for r in ifcopenshell.util.representation.get_representations_iter(wall) if r != rep]
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assert len(other_reps) == 1
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new_rep = other_reps[0]
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new_rep.ContextOfItems = body
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new_rep.RepresentationIdentifier = "Body"
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new_rep.RepresentationType = "Tesselation"
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assert len(items := new_rep.Items) == 1
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item = items[0]
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if is_ifc2x3:
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assert item.is_a("IfcFacetedBrep")
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assert len(faces := item.Outer.CfsFaces) == 12
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for face in faces:
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assert len(face.Bounds[0].Bound.Polygon) == 3
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else:
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assert item.is_a("IfcPolygonalFaceSet")
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assert len(faces := item.Faces) == 12
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for face in faces:
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assert len(face.CoordIndex) == 3
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class TestTesselateElementsIFC2X3(test.bootstrap.IFC2X3, TestTesselateElements):
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pass
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