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Add back support for IfcSphere

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This commit is contained in:
Thomas Krijnen
2024-04-29 20:54:36 +02:00
parent ae2600afb9
commit 6fdf46f151
5 changed files with 60 additions and 25 deletions
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src/ifcgeom/kernels/opencascade/solid.cpp
+24 -7
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@@ -24,6 +24,7 @@
#include <BRepPrimAPI_MakePrism.hxx>
#include <BRepAlgoAPI_Common.hxx>
#include <ShapeFix_Solid.hxx>
#include <BRepPrimAPI_MakeSphere.hxx>
using namespace ifcopenshell::geometry;
using namespace ifcopenshell::geometry::kernels;
@@ -64,18 +65,34 @@ bool OpenCascadeKernel::convert(const taxonomy::solid::ptr solid, TopoDS_Shape&
result = halfspace;
return true;
} else if (solid->children.size() == 1
&& solid->children[0]->children.size() == 1
&& solid->children[0]->children[0]->basis
&& solid->children[0]->children[0]->basis->kind() == taxonomy::SPHERE)
{
auto sphere = taxonomy::cast<taxonomy::sphere>(solid->children[0]->children[0]->basis);
gp_GTrsf gtrsf;
convert(sphere->matrix, gtrsf);
BRepPrimAPI_MakeSphere builder(sphere->radius);
auto s = builder.Solid();
s.Move(gtrsf.Trsf());
result = s;
return true;
}
for (auto& s : solid->children) {
TopoDS_Shape shl;
convert(s, shl);
if (shl.ShapeType() == TopAbs_SHELL) {
ShapeFix_Solid solid;
S = solid.SolidFromShell(TopoDS::Shell(shl));
} else if (solid->children.size() == 1) {
S = shl;
if (convert(s, shl)) {
if (shl.ShapeType() == TopAbs_SHELL) {
ShapeFix_Solid solid;
S = solid.SolidFromShell(TopoDS::Shell(shl));
} else if (solid->children.size() == 1) {
S = shl;
} else {
throw std::runtime_error("Unexpected configuration of subshapes");
}
} else {
throw std::runtime_error("Unexpected configuration of subshapes");
Logger::Warning("Ignored shell", s->instance);
}
}
if (!S.IsNull()) {