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204 lines
7.1 KiB
C++
204 lines
7.1 KiB
C++
// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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#include <Standard_Stream.hxx>
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#include <GEOMImpl_EllipseDriver.hxx>
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#include <GEOMImpl_IEllipse.hxx>
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#include <GEOMImpl_Types.hxx>
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#include <GEOM_Function.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRep_Tool.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopAbs.hxx>
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#include <TopExp.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Elips.hxx>
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& GEOMImpl_EllipseDriver::GetID()
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{
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static Standard_GUID aEllipseDriver("FF1BBB34-5D14-4df2-980B-3A668264EA16");
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return aEllipseDriver;
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}
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//=======================================================================
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//function : GEOMImpl_EllipseDriver
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//purpose :
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//=======================================================================
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GEOMImpl_EllipseDriver::GEOMImpl_EllipseDriver()
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{
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}
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//=======================================================================
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//function : Execute
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//purpose :
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//=======================================================================
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Standard_Integer GEOMImpl_EllipseDriver::Execute(TFunction_Logbook& log) const
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
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GEOMImpl_IEllipse aCI (aFunction);
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Standard_Integer aType = aFunction->GetType();
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TopoDS_Shape aShape;
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if (aType == ELLIPSE_PNT_VEC_RR) {
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// Center
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gp_Pnt aP = gp::Origin();
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Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
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if (!aRefPoint.IsNull()) {
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TopoDS_Shape aShapePnt = aRefPoint->GetValue();
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if (aShapePnt.ShapeType() != TopAbs_VERTEX) {
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: invalid center argument, must be a point");
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}
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aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
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}
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// Normal
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gp_Vec aV = gp::DZ();
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Handle(GEOM_Function) aRefVector = aCI.GetVector();
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if (!aRefVector.IsNull()) {
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TopoDS_Shape aShapeVec = aRefVector->GetValue();
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if (aShapeVec.ShapeType() != TopAbs_EDGE) {
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: invalid normal vector argument, must be a vector or an edge");
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}
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TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
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TopoDS_Vertex V1, V2;
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TopExp::Vertices(anE, V1, V2, Standard_True);
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if (!V1.IsNull() && !V2.IsNull()) {
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aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
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if (aV.Magnitude() < gp::Resolution()) {
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: normal vector of zero length is given");
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}
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}
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}
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// Axes
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gp_Ax2 anAxes (aP, aV);
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// Main Axis vector
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Handle(GEOM_Function) aRefVectorMaj = aCI.GetVectorMajor();
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if (!aRefVectorMaj.IsNull()) {
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TopoDS_Shape aShapeVec = aRefVectorMaj->GetValue();
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if (aShapeVec.ShapeType() != TopAbs_EDGE) {
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: invalid major axis vector argument, must be a vector or an edge");
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}
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TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
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TopoDS_Vertex V1, V2;
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TopExp::Vertices(anE, V1, V2, Standard_True);
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if (!V1.IsNull() && !V2.IsNull()) {
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gp_Vec aVM (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
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if (aVM.Magnitude() < gp::Resolution()) {
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: major axis vector of zero length is given");
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}
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if (aV.IsParallel(aVM, Precision::Angular())) {
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: normal and major axis vectors are parallel");
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}
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// Axes defined with main axis vector
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anAxes = gp_Ax2 (aP, aV, aVM);
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}
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}
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// Radiuses
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double radiusMaj = aCI.GetRMajor();
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double radiusMin = aCI.GetRMinor();
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if ( radiusMaj < radiusMin )
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: a major radius is less that a minor one");
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if ( radiusMin < 0.0 )
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Standard_ConstructionError::Raise
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("Ellipse creation aborted: raduis must be positive");
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// Ellipse
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gp_Elips anEll (anAxes, radiusMaj, radiusMin);
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aShape = BRepBuilderAPI_MakeEdge(anEll).Edge();
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}
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else {
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}
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if (aShape.IsNull()) return 0;
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aFunction->SetValue(aShape);
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log.SetTouched(Label());
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return 1;
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}
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//=======================================================================
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//function : GEOMImpl_EllipseDriver_Type_
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//purpose :
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//=======================================================================
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Standard_EXPORT Handle_Standard_Type& GEOMImpl_EllipseDriver_Type_()
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{
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static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
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if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
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static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
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if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
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static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
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if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
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static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
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static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_EllipseDriver",
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sizeof(GEOMImpl_EllipseDriver),
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1,
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(Standard_Address)_Ancestors,
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(Standard_Address)NULL);
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return _aType;
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}
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//=======================================================================
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//function : DownCast
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//purpose :
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//=======================================================================
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const Handle(GEOMImpl_EllipseDriver) Handle(GEOMImpl_EllipseDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
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{
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Handle(GEOMImpl_EllipseDriver) _anOtherObject;
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if (!AnObject.IsNull()) {
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if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_EllipseDriver))) {
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_anOtherObject = Handle(GEOMImpl_EllipseDriver)((Handle(GEOMImpl_EllipseDriver)&)AnObject);
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}
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}
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return _anOtherObject ;
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}
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