mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-12 02:23:34 +00:00
Thomas Krijnen
2a403e240d
Massive refactor of the IfcGeomObjects module, which is now the IfcGeom::Iterator class.
59 lines
2.5 KiB
C++
59 lines
2.5 KiB
C++
/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#include <BRep_Tool.hxx>
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#include <BRepTools.hxx>
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#include <BRep_Builder.hxx>
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#include <TopoDS_Compound.hxx>
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#include <BRepBuilderAPI_GTransform.hxx>
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#include "../ifcgeom/IfcGeom.h"
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#include "IfcGeomRepresentation.h"
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IfcGeom::Representation::Serialization::Serialization(const BRep& brep)
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: Representation(brep.settings())
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, _id(brep.getId())
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{
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TopoDS_Compound compound;
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BRep_Builder builder;
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builder.MakeCompound(compound);
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for ( IfcGeom::IfcRepresentationShapeItems::const_iterator it = brep.begin(); it != brep.end(); ++ it ) {
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const TopoDS_Shape& s = it->Shape();
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gp_GTrsf trsf = it->Placement();
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if (convert_back_units) {
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gp_Trsf scale;
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scale.SetScaleFactor(1.0 / settings().unit_magnitude());
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trsf.PreMultiply(scale);
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}
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bool trsf_valid = false;
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gp_Trsf _trsf;
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try {
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_trsf = trsf.Trsf();
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trsf_valid = true;
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} catch (...) {}
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const TopoDS_Shape moved_shape = trsf_valid ? s.Moved(_trsf) :
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BRepBuilderAPI_GTransform(s,trsf,true).Shape();
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builder.Add(compound,moved_shape);
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}
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std::stringstream sstream;
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BRepTools::Write(compound,sstream);
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_brep_data = sstream.str();
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} |