mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-12 02:23:34 +00:00
Thomas Krijnen
118 lines
4.4 KiB
C++
118 lines
4.4 KiB
C++
/********************************************************************************
|
|
* *
|
|
* This file is part of IfcOpenShell. *
|
|
* *
|
|
* IfcOpenShell is free software: you can redistribute it and/or modify *
|
|
* it under the terms of the Lesser GNU General Public License as published by *
|
|
* the Free Software Foundation, either version 3.0 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* IfcOpenShell is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* Lesser GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the Lesser GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
#include "../ifcgeom_schema_agnostic/base_utils.h"
|
|
|
|
#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));
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|