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This commit is contained in:
Thomas Krijnen
2023-03-21 20:15:01 +01:00
parent cfb0eda067
commit c78b2893de
194 changed files with 105325 additions and 7785 deletions
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src/ifcgeom/mapping/IfcConnectedFaceSet.cpp
+9 -95
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@@ -17,101 +17,15 @@
* *
********************************************************************************/
#include "../ifcgeom_schema_agnostic/base_utils.h"
#include "mapping.h"
#define mapping POSTFIX_SCHEMA(mapping)
using namespace ifcopenshell::geometry;
#include "../ifcgeom/IfcGeom.h"
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <memory>
#define Kernel MAKE_TYPE_NAME(Kernel)
bool IfcGeom::Kernel::convert(const IfcSchema::IfcConnectedFaceSet* l, TopoDS_Shape& shape) {
std::unique_ptr<faceset_helper<>> helper_scope;
IfcSchema::IfcCartesianPoint::list::ptr points = IfcParse::traverse((IfcUtil::IfcBaseClass*) l)->as<IfcSchema::IfcCartesianPoint>();
std::vector<const IfcSchema::IfcCartesianPoint*> points_(points->begin(), points->end());
IfcSchema::IfcPolyLoop::list::ptr loops = IfcParse::traverse((IfcUtil::IfcBaseClass*)l)->as<IfcSchema::IfcPolyLoop>();
std::vector<const IfcSchema::IfcPolyLoop*> loops_(loops->begin(), loops->end());
helper_scope.reset(new faceset_helper<>(
this,
points_,
loops_,
l->declaration().is(IfcSchema::IfcClosedShell::Class())
));
faceset_helper_ = helper_scope.get();
IfcSchema::IfcFace::list::ptr faces = l->CfsFaces();
double min_face_area = faceset_helper_
? (faceset_helper_->epsilon() * faceset_helper_->epsilon() / 20.)
: getValue(GV_MINIMAL_FACE_AREA);
TopTools_ListOfShape face_list;
for (IfcSchema::IfcFace::list::it it = faces->begin(); it != faces->end(); ++it) {
bool success = false;
TopoDS_Face face;
try {
success = convert_face(*it, face);
} catch (const std::exception& e) {
Logger::Error(e);
} catch (const Standard_Failure& e) {
if (e.GetMessageString() && strlen(e.GetMessageString())) {
Logger::Error(e.GetMessageString());
} else {
Logger::Error("Unknown error creating face");
}
} catch (...) {
Logger::Error("Unknown error creating face");
}
if (!success) {
Logger::Message(Logger::LOG_WARNING, "Failed to convert face:", (*it));
continue;
}
if (face.ShapeType() == TopAbs_COMPOUND) {
TopoDS_Iterator face_it(face, false);
for (; face_it.More(); face_it.Next()) {
if (face_it.Value().ShapeType() == TopAbs_FACE) {
// This should really be the case. This is not asserted.
const TopoDS_Face& triangle = TopoDS::Face(face_it.Value());
if (util::face_area(triangle) > min_face_area) {
face_list.Append(triangle);
} else {
Logger::Message(Logger::LOG_WARNING, "Degenerate face:", (*it));
}
}
}
} else {
if (util::face_area(face) > min_face_area) {
face_list.Append(face);
} else {
Logger::Message(Logger::LOG_WARNING, "Degenerate face:", (*it));
}
}
taxonomy::item* mapping::map_impl(const IfcSchema::IfcConnectedFaceSet* inst) {
auto shell = map_to_collection<taxonomy::shell>(this, inst->CfsFaces());
if (shell == nullptr) {
return nullptr;
}
if (face_list.Extent() == 0) {
return false;
}
if (face_list.Extent() > getValue(GV_MAX_FACES_TO_ORIENT) || !util::create_solid_from_faces(face_list, shape, getValue(GV_PRECISION))) {
TopoDS_Compound compound;
BRep_Builder builder;
builder.MakeCompound(compound);
TopTools_ListIteratorOfListOfShape face_iterator;
for (face_iterator.Initialize(face_list); face_iterator.More(); face_iterator.Next()) {
builder.Add(compound, face_iterator.Value());
}
shape = compound;
}
return true;
shell->closed = inst->declaration().is(IfcSchema::IfcClosedShell::Class());
return shell;
}