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First rough draft of alignment-based IfcFixedReferenceSweptAreaSolid

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This commit is contained in:
Thomas Krijnen
2024-02-21 11:33:40 +01:00
parent ebe6015561
commit d06280f0e7
7 changed files with 214 additions and 92 deletions
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src/ifcgeom/mapping/IfcExtrudedAreaSolidTapered.cpp
+1 -92
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@@ -36,6 +36,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcExtrudedAreaSolidTapered* in
Eigen::Matrix4d end_profile = af3d.matrix();
auto loft = taxonomy::make<taxonomy::loft>();
loft->axis = nullptr;
loft->children = {
taxonomy::cast<taxonomy::face>(map(inst->SweptArea())),
taxonomy::cast<taxonomy::face>(map(inst->EndSweptArea()))
@@ -45,97 +46,5 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcExtrudedAreaSolidTapered* in
loft->children.back()->matrix->components() = old * end_profile;
return loft;
/*
gp_Trsf trsf;
bool has_position = true;
#ifdef SCHEMA_IfcSweptAreaSolid_Position_IS_OPTIONAL
has_position = inst->Position() != nullptr;
#endif
if (has_position) {
IfcGeom::Kernel::convert(inst->Position(), trsf);
}
gp_Dir dir;
convert(inst->ExtrudedDirection(), dir);
gp_Trsf end_profile;
end_profile.SetTranslation(height * dir);
TopoDS_Edge spine_edge = BRepBuilderAPI_MakeEdge(gp_Pnt(), gp_Pnt((height * dir).XYZ())).Edge();
TopoDS_Wire wire = BRepBuilderAPI_MakeWire(spine_edge).Wire();
shape.Nullify();
TopExp_Explorer exp1(face1, TopAbs_WIRE);
TopExp_Explorer exp2(face2, TopAbs_WIRE);
TopoDS_Vertex v1, v2;
TopExp::Vertices(wire, v1, v2);
TopoDS_Shape shell;
TopoDS_Compound compound;
BRep_Builder compound_builder;
for (; exp1.More() && exp2.More(); exp1.Next(), exp2.Next()) {
const TopoDS_Wire& w1 = TopoDS::Wire(exp1.Current());
const TopoDS_Wire& w2 = TopoDS::Wire(exp2.Current());
BRepOffsetAPI_MakePipeShell builder(wire);
builder.Add(w1, v1);
builder.Add(w2.Moved(end_profile), v2);
TopoDS_Shape result = builder.Shape();
TopTools_ListOfShape li;
util::shape_to_face_list(result, li);
li.Append(BRepBuilderAPI_MakeFace(w1).Face().Reversed());
li.Append(BRepBuilderAPI_MakeFace(w2).Face().Moved(end_profile));
util::create_solid_from_faces(li, result, true);
// @todo ugly hack
// The reason for this distinction is that at this point of the loop we're not sure anymore
// whether this was constructed from an inner or outer bound. So rather than iterating over
// wires of `face1` and `face2` we should iterate over the faces and then properly check with
// BRepTools::OuterBound().
// Currently this distinction happens based on profile type which is not robust and probably
// not complete.
if (shell.IsNull()) {
shell = result;
} else if (inst->SweptArea()->declaration().is(IfcSchema::IfcCircleHollowProfileDef::Class()) ||
inst->SweptArea()->declaration().is(IfcSchema::IfcRectangleHollowProfileDef::Class()) ||
inst->SweptArea()->declaration().is(IfcSchema::IfcArbitraryProfileDefWithVoids::Class()))
{
// @todo properly check for failure and all.
shell = BRepAlgoAPI_Cut(shell, result).Shape();
} else {
if (compound.IsNull()) {
compound_builder.MakeCompound(compound);
compound_builder.Add(compound, shell);
}
compound_builder.Add(compound, result);
}
}
if (!compound.IsNull()) {
shell = compound;
}
shape = shell;
if (exp1.More() != exp2.More()) {
Logger::Message(Logger::LOG_ERROR, "Inconsistent profiles encountered for:", l);
}
if (has_position && !shape.IsNull()) {
// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
// and therefore has a unit scale factor
shape.Move(trsf);
}
return !shape.IsNull();
*/
}
#endif