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IfcGeom refactoring pt. 1
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Thomas Krijnen
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/********************************************************************************
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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 <new>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Mat.hxx>
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#include <gp_Mat2d.hxx>
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#include <gp_GTrsf.hxx>
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#include <gp_GTrsf2d.hxx>
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#include <gp_Trsf.hxx>
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#include <gp_Trsf2d.hxx>
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#include <gp_Ax3.hxx>
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#include <gp_Ax2d.hxx>
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#include <gp_Pln.hxx>
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#include <gp_Circ.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_Ellipse.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <Geom_OffsetCurve.hxx>
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#include <BRepPrimAPI_MakePrism.hxx>
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#include <BRepPrimAPI_MakeHalfSpace.hxx>
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#include <BRepOffsetAPI_Sewing.hxx>
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#include <BRepOffsetAPI_MakeOffset.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRepBuilderAPI_MakeWire.hxx>
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#include <BRepBuilderAPI_MakePolygon.hxx>
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#include <BRepBuilderAPI_MakeVertex.hxx>
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#include <BRepBuilderAPI_MakeShell.hxx>
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#include <BRepBuilderAPI_MakeSolid.hxx>
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#include <TopExp.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <BRepAlgoAPI_Cut.hxx>
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#include <ShapeFix_Edge.hxx>
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#include <ShapeFix_Shape.hxx>
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#include <ShapeFix_ShapeTolerance.hxx>
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#include <ShapeFix_Solid.hxx>
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#include <TopLoc_Location.hxx>
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#include <BRepGProp_Face.hxx>
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#include <Standard_Failure.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepCheck_Face.hxx>
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#include <BRepBuilderAPI_Transform.hxx>
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#include <Standard_Version.hxx>
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#include <TopTools_DataMapOfShapeInteger.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <BRepLib_FindSurface.hxx>
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#include <ShapeFix_Shape.hxx>
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#include <ShapeExtend_DataMapIteratorOfDataMapOfShapeListOfMsg.hxx>
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#include <Message_ListIteratorOfListOfMsg.hxx>
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#include <ShapeExtend_MsgRegistrator.hxx>
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#include <Message_Msg.hxx>
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#include "../ifcgeom/IfcGeom.h"
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#include <Geom_BSplineSurface.hxx>
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#include <TColgp_Array2OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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#define Kernel MAKE_TYPE_NAME(Kernel)
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bool IfcGeom::Kernel::convert(const IfcSchema::IfcCenterLineProfileDef* l, TopoDS_Shape& face) {
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const double d = l->Thickness() * getValue(GV_LENGTH_UNIT) / 2.;
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TopoDS_Wire wire;
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if (!convert_wire(l->Curve(), wire)) return false;
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// BRepOffsetAPI_MakeOffset insists on creating circular arc
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// segments for joining the curves that constitute the center
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// line. This is probably not in accordance with the IFC spec.
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// Although it does not specify a method to join segments
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// explicitly, it does dictate 'a constant thickness along the
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// curve'. Therefore for simple singular wires a quick
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// alternative is provided that uses a straight join.
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TopExp_Explorer exp(wire, TopAbs_EDGE);
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TopoDS_Edge edge = TopoDS::Edge(exp.Current());
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exp.Next();
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if (!exp.More()) {
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double u1, u2;
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Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, u1, u2);
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Handle(Geom_TrimmedCurve) trim = new Geom_TrimmedCurve(curve, u1, u2);
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Handle(Geom_OffsetCurve) c1 = new Geom_OffsetCurve(trim, d, gp::DZ());
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Handle(Geom_OffsetCurve) c2 = new Geom_OffsetCurve(trim, -d, gp::DZ());
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gp_Pnt c1a, c1b, c2a, c2b;
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c1->D0(c1->FirstParameter(), c1a);
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c1->D0(c1->LastParameter(), c1b);
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c2->D0(c2->FirstParameter(), c2a);
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c2->D0(c2->LastParameter(), c2b);
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BRepBuilderAPI_MakeWire mw;
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mw.Add(BRepBuilderAPI_MakeEdge(c1));
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mw.Add(BRepBuilderAPI_MakeEdge(c1a, c2a));
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mw.Add(BRepBuilderAPI_MakeEdge(c2));
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mw.Add(BRepBuilderAPI_MakeEdge(c2b, c1b));
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face = BRepBuilderAPI_MakeFace(mw.Wire());
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} else {
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BRepOffsetAPI_MakeOffset offset(BRepBuilderAPI_MakeFace(gp_Pln(gp::Origin(), gp::DZ())));
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offset.AddWire(wire);
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offset.Perform(d);
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face = BRepBuilderAPI_MakeFace(TopoDS::Wire(offset));
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}
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return true;
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}
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