Add test for IfcFixedReferenceSweptAreaSolid with simple sweep example

Includes `simple_sweep_1.ifc` test input and geometry validation. Updates dependencies in `pixi.lock`.

test/input_temp/simple_sweep_1.ifc

@@ -0,0 +1,74 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('ViewDefinition[DesignTransferView]'),'2;1');
+FILE_NAME('/dev/null','2025-08-26T16:01:38+02:00',('AdaUser'),('AdaOrg'),'IfcOpenShell 0.8.2','IfcOpenShell 0.8.2','Nobody');
+FILE_SCHEMA(('IFC4X3_ADD2'));
+ENDSEC;
+DATA;
+#1=IFCPROJECT('1TMwI763XBx9E7h3kqXonB',$,'AdaProject',$,$,$,$,(#11),#6);
+#2=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
+#3=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
+#4=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
+#5=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
+#6=IFCUNITASSIGNMENT((#5,#3,#4,#2));
+#7=IFCCARTESIANPOINT((0.,0.,0.));
+#8=IFCDIRECTION((0.,0.,1.));
+#9=IFCDIRECTION((1.,0.,0.));
+#10=IFCAXIS2PLACEMENT3D(#7,#8,#9);
+#11=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#10,$);
+#12=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#11,$,.MODEL_VIEW.,$);
+#13=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Axis','Model',*,*,*,*,#11,$,.GRAPH_VIEW.,$);
+#14=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Box','Model',*,*,*,*,#11,$,.MODEL_VIEW.,$);
+#15=IFCACTORROLE(.ENGINEER.,$,$);
+#16=IFCPERSON('AdaUser',$,$,$,$,$,(#15),$);
+#17=IFCORGANIZATION('ADA','Assembly For Design and Analysis',$,$,$);
+#18=IFCPERSONANDORGANIZATION(#16,#17,$);
+#19=IFCAPPLICATION(#17,'XXX','ADA','ADA');
+#20=IFCOWNERHISTORY(#18,#19,.READWRITE.,$,$,#18,#19,1756216898);
+#21=IFCDIRECTION((0.,0.,1.));
+#22=IFCDIRECTION((1.,0.,0.));
+#23=IFCCARTESIANPOINT((0.,0.,0.));
+#24=IFCAXIS2PLACEMENT3D(#23,#21,#22);
+#25=IFCLOCALPLACEMENT($,#24);
+#26=IFCSITE('301mrn5JHCxRMMvjp9uGM1',#20,'Ada',$,$,#25,$,$,.ELEMENT.,$,$,$,$,$);
+#27=IFCRELAGGREGATES('0RnSPGnurA1RhM0uNbRZ8k',#20,'Project Container',$,#1,(#26));
+#28=IFCPROPERTYSINGLEVALUE('project',$,IFCTEXT('AdaProject'),$);
+#29=IFCPROPERTYSINGLEVALUE('schema',$,IFCTEXT('IFC4X3_add2'),$);
+#30=IFCPROPERTYSET('1Yj9$v$uH0ZQk9AOoWx4hD',#20,'Properties',$,(#28,#29));
+#31=IFCRELDEFINESBYPROPERTIES('2zKQjOOuP0VwvxPEpnJusI',#20,'Properties',$,(#26),#30);
+#32=IFCMATERIAL('S355',$,'Steel');
+#33=IFCPROPERTYSINGLEVALUE('Grade',$,IFCTEXT('S355'),$);
+#34=IFCPROPERTYSINGLEVALUE('YieldStress',$,IFCPRESSUREMEASURE(355000000.),$);
+#35=IFCPROPERTYSINGLEVALUE('YoungModulus',$,IFCMODULUSOFELASTICITYMEASURE(210000000000.),$);
+#36=IFCPROPERTYSINGLEVALUE('PoissonRatio',$,IFCPOSITIVERATIOMEASURE(0.3),$);
+#37=IFCPROPERTYSINGLEVALUE('ThermalExpansionCoefficient',$,IFCTHERMALEXPANSIONCOEFFICIENTMEASURE(1.2E-05),$);
+#38=IFCPROPERTYSINGLEVALUE('SpecificHeatCapacity',$,IFCSPECIFICHEATCAPACITYMEASURE(0.03),$);
+#39=IFCPROPERTYSINGLEVALUE('MassDensity',$,IFCMASSDENSITYMEASURE(7850.),$);
+#40=IFCMATERIALPROPERTIES('MaterialMechanical','A Material property description',(#33,#34,#35,#36,#37,#38,#39),#32);
+#41=IFCRELASSOCIATESMATERIAL('13SLSaNyz4PwOBYuDhXcWi',#20,'S355','Objects related to S355',(#64),#32);
+#42=IFCDIRECTION((0.,0.,1.));
+#43=IFCDIRECTION((1.,0.,0.));
+#44=IFCCARTESIANPOINT((0.,0.,0.));
+#45=IFCAXIS2PLACEMENT3D(#44,#42,#43);
+#46=IFCLOCALPLACEMENT(#25,#45);
+#47=IFCCARTESIANPOINTLIST2D(((0.,0.),(0.,0.1),(0.1,0.),(0.1,0.1)),$);
+#48=IFCINDEXEDPOLYCURVE(#47,(IFCLINEINDEX((3,1)),IFCLINEINDEX((1,2)),IFCLINEINDEX((2,4)),IFCLINEINDEX((4,3))),$);
+#49=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#48);
+#50=IFCCARTESIANPOINTLIST3D(((-1.,0.,0.8),(-0.14253,0.,0.542759),(-0.039541321421393,0.,0.470579850861542),(0.,0.,0.),(0.,0.,0.351194)),$);
+#51=IFCINDEXEDPOLYCURVE(#50,(IFCLINEINDEX((4,5)),IFCARCINDEX((5,3,2)),IFCLINEINDEX((2,1))),$);
+#52=IFCDIRECTION((-0.,1.,0.));
+#53=IFCCARTESIANPOINT((0.,0.,0.));
+#54=IFCDIRECTION((1.,0.,0.));
+#55=IFCDIRECTION((0.,0.,-1.));
+#56=IFCAXIS2PLACEMENT3D(#53,#54,#55);
+#57=IFCFIXEDREFERENCESWEPTAREASOLID(#49,#56,#51,$,$,#52);
+#58=IFCSHAPEREPRESENTATION(#12,'Body','AdvancedSweptSolid',(#57));
+#59=IFCPRODUCTDEFINITIONSHAPE($,$,(#58));
+#60=IFCCOLOURRGB('Color1',0.8,0.8,0.8);
+#61=IFCSURFACESTYLESHADING(#60,0.);
+#62=IFCSURFACESTYLE('Color1',.BOTH.,(#61));
+#63=IFCSTYLEDITEM(#57,(#62),'Color1');
+#64=IFCBUILDINGELEMENTPROXY('1R8AUxDeX02RhatZPFgzSt',#20,'sweep1',$,$,#46,#59,$,$);
+#65=IFCRELCONTAINEDINSPATIALSTRUCTURE('0HNU_Fs7r0SRBiQ9Xqgv$k',#20,'Physical model',$,(#64),#26);
+ENDSEC;
+END-ISO-10303-21;

test/test_sweeps.py

@@ -0,0 +1,62 @@
+import pathlib
+from typing import List, Sequence, Tuple
+
+import ifcopenshell
+import pytest
+
+
+def _bbox_from_vertices(verts: List[Tuple[float, float, float]]):
+    if not verts:
+        return (0, 0, 0), (0, 0, 0)
+    xs = [v[0] for v in verts]
+    ys = [v[1] for v in verts]
+    zs = [v[2] for v in verts]
+    mn = (min(xs), min(ys), min(zs))
+    mx = (max(xs), max(ys), max(zs))
+    return mn, mx
+
+
+def _size_from_bbox(mn, mx):
+    return (mx[0] - mn[0], mx[1] - mn[1], mx[2] - mn[2])
+
+
+def _triples(flat: Sequence[float]) -> List[Tuple[float, float, float]]:
+    return [(float(flat[i]), float(flat[i + 1]), float(flat[i + 2])) for i in range(0, len(flat), 3)]
+
+def load_ifc_mesh_bbox(ifc_path: str):
+    """Load first product's mesh from IFC using ifcopenshell.geom and return bbox and size."""
+    try:
+        import ifcopenshell.geom as geom
+    except Exception as e:
+        raise RuntimeError("ifcopenshell.geom not available: cannot validate IFC geometry") from e
+
+    settings = geom.settings()
+    settings.set(settings.USE_WORLD_COORDS, True)
+
+    f = ifcopenshell.open(ifc_path)
+    # Prefer the proxy we created, otherwise take any product with representation
+    products = f.by_type("IfcProduct")
+    target = None
+    for p in products:
+        if p.is_a("IfcBuildingElementProxy") and getattr(p, "Representation", None):
+            target = p
+            break
+    if target is None:
+        for p in products:
+            if getattr(p, "Representation", None):
+                target = p
+                break
+    if target is None:
+        raise RuntimeError("No representable product found in IFC for validation")
+
+    shape = geom.create_shape(settings, target)
+    verts = _triples(shape.geometry.verts)
+    mn, mx = _bbox_from_vertices(verts)
+    return mn, mx, _size_from_bbox(mn, mx)
+
+@pytest.fixture
+def test_dir():
+    return pathlib.Path(__file__).parent.resolve().absolute()
+def test_simple_sweep_1(test_dir):
+    ifc_mn, ifc_mx, ifc_sz = load_ifc_mesh_bbox(test_dir / "input_temp/simple_sweep_1.ifc")
+    assert ifc_sz == pytest.approx((1.1, 0.1, 0.89578254))